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  • how to design this relation in a DB schema

    - by raticulin
    I have a table Car in my db, one of the columns is purchaseDate. I want to be able to tag every car with a number of Policies (limited to 10 policies). Each policy has a time to life (ttl, a duration of time, like '5 years', '10 months' etc), that is, for how long since the car's purchaseDate the policy can be applied. I need to perform the following actions: when inserting a Car, it will be set with a number of Policies (at least one is set) sometimes a Car will be updated to add/remove a Policy searches must be done taking into account date/policies, for example: 'select all cars that are not covered by any policy as of today' My current design is (pol0..pol9 are the policies): CREATE TABLE Car ( id int NOT NULL IDENTITY(1,1), purchaseDate datetime NOT NULL, //more stuff... pol0 smallint default NULL, pol1 smallint default NULL, pol2 smallint default NULL, pol3 smallint default NULL, pol4 smallint default NULL, pol5 smallint default NULL, pol6 smallint default NULL, pol7 smallint default NULL, pol8 smallint default NULL, pol9 smallint default NULL, PRIMARY KEY (id) ) CREATE TABLE Policy ( id smallint NOT NULL, name varchar(50) collate Latin1_General_BIN NOT NULL, ttl varchar(100) collate Latin1_General_BIN NOT NULL, PRIMARY KEY (id) ) The problem I am facing is that the sql to perform the query above is a nightmare to write. As I don't know in which column each policy can be, so I have to check all columns for every policy etc etc. So I am wondering wether it is worth changing this. My questions are: The smallint as Policy id was chosen instead of an 'int IDENTITY' in order to save some space as there are going to be millions of Car records. It just adds complexity when creating a Policy as we must handle the id etc. Was it worth doing this? I am thinking that maybe there is a much better design? Obviously we could move the policy/car relation to its own table CarPolicy, benefits would be: no limit on 10 policies per car adding/removing etc much easier when only the default policy is applied (when no others are applied one called Default policy is applied), we could signal that by not having any entry in CarPolicy, now this is just done inserting the Default policy id in one of the columns. The cons are that we would need to change the DB, ORM classes etc. What would you recommend? Maybe there is another smart way to implement this that we are not aware without using the CarPolicy table?

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  • Spring Framework 3.0.5 MVC Issue

    - by user578923
    I know that this may be absolutely dumb but for the life of me I cannot figure out why I'm getting these errors in my Spring Project, it is basically from the MVC tutorial with a few modifications. This is the error I get when running my tomcat server. `Caused by: java.lang.NoClassDefFoundError: org/springframework/web/servlet/mvc/SimpleFormController at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:634) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) at java.net.URLClassLoader.access$000(URLClassLoader.java:73) at java.net.URLClassLoader$1.run(URLClassLoader.java:212) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:321) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:266) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1581) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1511) at org.springframework.util.ClassUtils.forName(ClassUtils.java:257) at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:408) at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1271) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1242) ... 54 more Caused by: java.lang.ClassNotFoundException: org.springframework.web.servlet.mvc.SimpleFormController at java.net.URLClassLoader$1.run(URLClassLoader.java:217) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:321) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:266) ... 71 more` I just cannot figure out the issue with my classpath...I would appreciate any help. Here are all the jars in my classpath. I know that the class is inside the web-servlet jar but it's not seeing it. Is there a conflict? aopalliance.jar aspectjweaver.jar commons-codec.jar commons-dbcp.jar commons-logging.jar commons-pool.jar jstl.jar org.springframework.aop-3.0.5.RELEASE.jar org.springframework.asm-3.0.5.RELEASE.jar org.springframework.aspects-3.0.5.RELEASE.jar org.springframework.beans-3.0.5.RELEASE.jar org.springframework.context.support-3.0.5.RELEASE.jar org.springframework.context-3.0.5.RELEASE.jar org.springframework.core-3.0.5.RELEASE.jar org.springframework.expression-3.0.5.RELEASE.jar org.springframework.instrument.tomcat-3.0.5.RELEASE.jar org.springframework.instrument-3.0.5.RELEASE.jar org.springframework.jdbc-3.0.5.RELEASE.jar org.springframework.jms-3.0.5.RELEASE.jar org.springframework.orm-3.0.5.RELEASE.jar org.springframework.oxm-3.0.5.RELEASE.jar org.springframework.test-3.0.5.RELEASE.jar org.springframework.transaction-3.0.5.RELEASE.jar org.springframework.web.portlet-3.0.5.RELEASE.jar org.springframework.web.servlet-3.0.5.RELEASE.jar org.springframework.web.struts-3.0.5.RELEASE.jar org.springframework.web-3.0.5.RELEASE.jar postgresql-9.0-801.jdbc3.jar servlet-api.jar spring-security-config-3.0.5.RELEASE.jar spring-security-core-3.0.5.RELEASE.jar spring-security-web-3.0.5.RELEASE.jar standard.jar

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  • Is this a good approach to dealing with tagging?

    - by Mel
    Can this code be optimized or re-factored? Is this an optimal approach to tagging? The following code is a callback in my posts model. It creates a record that associates a tag with a post in a QuestionsTags joiner table. When necessary, if a given tag does not already exist in the tags table, the function creates it, then uses its id to create the new record in the QuestionsTags table. The difficulty with this approach is the QuestionsTags table depends on data in the tags table which may or may not exist. The function assumes the following tables: tags(id, tagName), posts(tags) // Comma delimited list questionsTags(postId, tagId) The idea is to loop over a delimited list of tags submitted with a post and check to see if each tag already exists in the tags table If tag exists: Check to see if there's already a QuestionTag record for this post and this tag in the QuestionTags table. If yes, do nothing (the association already exists) If no, create a new QuestionTag record using the id of the existing tag and the postId If tag does not already exist: Create the new tag in the tags table Use its id to create a new QuestionsTags record Code /** * @hint Sets tags for a given question. **/ private function setTags() { // Loop over the comma and space delmited list of tags for (local.i = 1; local.i LTE ListLen(this.tags, ", "); local.i = (local.i + 1)) { // Check if the tag already exists in the database local.tag = model("tag").findOneByTagName(local.i); // If the tag exists, look for an existing association between the tag and the question in the QuestionTag table if (IsObject(local.tag)) { local.questionTag = model("questionTag").findOneByPostIdAndTagId(values="#this.postId#,#local.tag.id#"); // If no assciatione exists, create a new QuestionTag record using the tagId and the postId if (! IsObject(local.questionTag)) { local.newQuestionTag = model("questionTag").new(postId = this.id, tagId = local.tag.id); // Abort if the saving the new QuestionTag is unsuccesful if (! local.newQuestionTag.save()) { return false; } } } // If the tag does not exist create it else { local.newTag = model("tag").new(tagName = local.i, userId = this.ownerUserId); // Abort if the the new tag is not saved successfully if (! local.newTag.save()) { return false; } // Otherwise create a new association in the QuestionTags table using the id of the newly created tag and the postId local.newQuestionTag = model("questionTag").new(postId = this.id, tagId = local.newTag.id); // Abort if the new QuestionTag does not save correctly if (! local.newQuestionTag.save()) { return false; } } } } FYI: I'm using CFWheels in my application, which explains the ORM functions used.

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  • CodePlex Daily Summary for Sunday, April 18, 2010

    CodePlex Daily Summary for Sunday, April 18, 2010New ProjectsBare Bones Email Trace Listener: Bare Bones Email Trace Listener is about the simplest email trace listener you can have. No bells, no whistles, and no good if you need authenticat...Cartellino: Scopo del progetto è la realizzazione di un software in grado di rilevare i dati dai rilevatori 3Tec (www.3tec.it) e stampare i cartellini presenza...Castle Windsor app.config Properties: The Castle Windsor app.config Properties library makes it possible for users of Castle Windsor to reference appSettings values in Windsor's XML pro...DeskD: This is a simple desktop dictionary application(something like WordWeb) created in Java using Netbeans IDE. Since i am new to codeplex all updates ...FunPokerMakerOnline: It is a play of poker online with a game editor. It is done with .net 4 and WPF and SOAP or WCF. KLOCS Team GIN Project: This is a Master's Degree program group project. It may have academic interest, but won't be maintained after June 2010KNN: This is KNN projectProject Santa: Program to organize teams using mysql databases and c# in a clean and robust task and group system. For more information see my blog post at http:/...ProjetoIntegradoJuridico: Sistema Integrado de Acompanhamento JurídicoRSSR for Windows Phone 7: This is a simple RSS reader application, the project aims to show people that it is easy to build application for windows phones. The applicatio...Simple Rcon: Simple Rcon is a simple lightweight rcon client for HL1/HL2 Servers. It is developed in C# and WPFTAB METHOD SQL Create a data dictionary from your Transact SQL code: TABMETHODSQL makes it easier for data/information workers to document their work. Create a data governance solution that maps sql data process, inc...TM BF Tournament: WPF software to manage Trackmania tournament with Battle France RulesviBlog: visinia plugin, this plugin is used to add blogging facility in visinia cmsviNews: visinia plugin, this plugin can be used to create a news portal like cnn.com nytimeVolumeMaster: VolumeMaster is an On Screen Display (OSD) that gets activated whenever the volume changes. It's written in WPF and uses Vista Core Audio API by Ra...WiiCIS.NET: This is a managed port of WiiCIS, which is a Nintendo Wiimote library originally created by TheOboeNerd and posted on Sourceforge.New ReleasesCastle Windsor app.config Properties: Version 1.0: Initial release.Code for Rapid C# Windows Development eBook: Enumerable Debugger Visualizer Version 1.1: Second release of the Enumerable Debugger Visualizer. There are more classes registered and it is more robust. The list of classes I have register...Convection Game Engine (Basic Edition): Convection Basic (40223): Compiled version of Convection Basic change set 40223.CycleMania Starter Kit EAP - ASP.NET 4 Problem - Design - Solution: Cyclemania 0.08.59: See Source Code tab for recent change history.DbEntry.Net (Lephone Framework): DbEntry.Net 3.9: DbEntry.Net is a lightweight Object Relational Mapping (ORM) database access compnent for .Net 3.5. It has clearly and easily programing interface ...Hash Calculator: HashCalculator 2.0: Upgraded to .NET Framework 4.0 Added support to calculate CRC32 hash function Added "Cancel" button in the Windows 7 taskbar thumbnailHKGolden Express: HKGoldenExpress (Build 201004172120): New features: Added jump links at top of page of message. Bug fix: Fixed page count bug. Improvements: HKGolden Express now uses DocumentBuild...HTML Ruby: 6.21.4: Styles added to override those on some sites for better rendering of ruby Fix regression on complex ruby annotation rendering Better spacingHTML Ruby: 6.21.5: Removed debug code in preference handling Status bar indicator now resets for each action Replace ruby in place without using document fragment...IceChat: IceChat 2009 Alpha 12.4 EXE Update: This is simply an update to the main IceChat program files and DLL. Simpply overwrite the ones in the place where IceChat 2009 is installed.IceChat: IceChat 2009 Alpha 12.4 Full Install: Build Alpha 12.4 - April 17 2010 Added IceChatScript.dll , needs to be added in same folder with EXE and IPluginIceChat.dll Added Self Notice in ...PokeIn Comet Ajax Library: PokeIn Library v05 x64: With this version, PokeIn library has become a stable. Numerous tests have completed. This is the first release candidate of PokeIn. Cheers!PokeIn Comet Ajax Library: PokeIn Library v05 x86: PokeIn Library version 0.5 (x86) With this version, PokeIn library has become a stable. Numerous tests have completed. This is the first release c...Project Santa: Project Santa V1.0: The first initial release of my project manager program, for more information see http://coderplex.blogspot.com/2010/04/project-manager-using-mysq...Salient: TestingWithVSDevServer v1: Using code from Salient, I have assembled a few strategies for programmatic contol of the Visual Studio Development Server (WebDev.WebServer.exe). ...SharePoint Navigation Menu: spNavigationMenu 1.1: Changed the CAML query so it will order by Link Order, then Title. Added the ability to override the On Hover event on the parent menu to use On ...Simple Rcon: Simple Rcon Version 1: Version 1TAB METHOD SQL Create a data dictionary from your Transact SQL code: RELEASE 1: TESTING THE RELEASE SYSTEMTribe.Cache: Tribe.Cache Beta 0.1: Beta release of Tribe.Cache - Now with cache expiration serviceviBlog: viBlog_beta: visinia plugin to add blogging facility in visinia cmsviNews: viNews_beta: visinia plugin.visinia: visinia_beta2: visinia beta 2 released with many new feature.Visual Studio DSite: Visual C++ 2008 Login Form: A simple login form made in visual c 2008. Source code only.WiiCIS.NET: WiiCIS.NET v0.11: 0.11 Removed an unnecessary function from the Wiimote class, and improved the demo. You will need the latest version of SlimDX to compile the sourc...WinControls TreeListView: TreeListView 1.5.1: -fixes issue #5837 -Preliminary feature #5874WoW Character Viewer: Viewer Setup: Finally, I've brought out the next setup of WoW Viewer. Most loose ends have been tied up. Loading and Saving of character files has been fixed.Most Popular ProjectsRawrAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseMicrosoft SQL Server Community & Samplespatterns & practices – Enterprise LibraryPHPExcelFacebook Developer ToolkitBlogEngine.NETMvcContrib: a Codeplex Foundation projectIronPythonMost Active ProjectsRawrpatterns & practices – Enterprise LibraryIndustrial DashboardFarseer Physics EnginejQuery Library for SharePoint Web ServicesIonics Isapi Rewrite FilterGMap.NET - Great Maps for Windows Forms & PresentationProxi [Proxy Interface]BlogEngine.NETCaliburn: An Application Framework for WPF and Silverlight

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  • SQL University: What and why of database refactoring

    - by Mladen Prajdic
    This is a post for a great idea called SQL University started by Jorge Segarra also famously known as SqlChicken on Twitter. It’s a collection of blog posts on different database related topics contributed by several smart people all over the world. So this week is mine and we’ll be talking about database testing and refactoring. In 3 posts we’ll cover: SQLU part 1 - What and why of database testing SQLU part 2 - What and why of database refactoring SQLU part 3 - Tools of the trade This is a second part of the series and in it we’ll take a look at what database refactoring is and why do it. Why refactor a database To know why refactor we first have to know what refactoring actually is. Code refactoring is a process where we change module internals in a way that does not change that module’s input/output behavior. For successful refactoring there is one crucial thing we absolutely must have: Tests. Automated unit tests are the only guarantee we have that we haven’t broken the input/output behavior before refactoring. If you haven’t go back ad read my post on the matter. Then start writing them. Next thing you need is a code module. Those are views, UDFs and stored procedures. By having direct table access we can kiss fast and sweet refactoring good bye. One more point to have a database abstraction layer. And no, ORM’s don’t fall into that category. But also know that refactoring is NOT adding new functionality to your code. Many have fallen into this trap. Don’t be one of them and resist the lure of the dark side. And it’s a strong lure. We developers in general love to add new stuff to our code, but hate fixing our own mistakes or changing existing code for no apparent reason. To be a good refactorer one needs discipline and focus. Now we know that refactoring is all about changing inner workings of existing code. This can be due to performance optimizations, changing internal code workflows or some other reason. This is a typical black box scenario to the outside world. If we upgrade the car engine it still has to drive on the road (preferably faster) and not fly (no matter how cool that would be). Also be aware that white box tests will break when we refactor. What to refactor in a database Refactoring databases doesn’t happen that often but when it does it can include a lot of stuff. Let us look at a few common cases. Adding or removing database schema objects Adding, removing or changing table columns in any way, adding constraints, keys, etc… All of these can be counted as internal changes not visible to the data consumer. But each of these carries a potential input/output behavior change. Dropping a column can result in views not working anymore or stored procedure logic crashing. Adding a unique constraint shows duplicated data that shouldn’t exist. Foreign keys break a truncate table command executed from an application that runs once a month. All these scenarios are very real and can happen. With the proper database abstraction layer fully covered with black box tests we can make sure something like that does not happen (hopefully at all). Changing physical structures Physical structures include heaps, indexes and partitions. We can pretty much add or remove those without changing the data returned by the database. But the performance can be affected. So here we use our performance tests. We do have them, right? Just by adding a single index we can achieve orders of magnitude performance improvement. Won’t that make users happy? But what if that index causes our write operations to crawl to a stop. again we have to test this. There are a lot of things to think about and have tests for. Without tests we can’t do successful refactoring! Fixing bad code We all have some bad code in our systems. We usually refer to that code as code smell as they violate good coding practices. Examples of such code smells are SQL injection, use of SELECT *, scalar UDFs or cursors, etc… Each of those is huge code smell and can result in major code changes. Take SELECT * from example. If we remove a column from a table the client using that SELECT * statement won’t have a clue about that until it runs. Then it will gracefully crash and burn. Not to mention the widely unknown SELECT * view refresh problem that Tomas LaRock (@SQLRockstar on Twitter) and Colin Stasiuk (@BenchmarkIT on Twitter) talk about in detail. Go read about it, it’s informative. Refactoring this includes replacing the * with column names and most likely change to application using the database. Breaking apart huge stored procedures Have you ever seen seen a stored procedure that was 2000 lines long? I have. It’s not pretty. It hurts the eyes and sucks the will to live the next 10 minutes. They are a maintenance nightmare and turn into things no one dares to touch. I’m willing to bet that 100% of time they don’t have a single test on them. Large stored procedures (and functions) are a clear sign that they contain business logic. General opinion on good database coding practices says that business logic has no business in the database. That’s the applications part. Refactoring such behemoths requires writing lots of edge case tests for the stored procedure input/output behavior and then start to refactor it. First we split the logic inside into smaller parts like new stored procedures and UDFs. Those then get called from the master stored procedure. Once we’ve successfully modularized the database code it’s best to transfer that logic into the applications consuming it. This only leaves the stored procedure with common data manipulation logic. Of course this isn’t always possible so having a plethora of performance and behavior unit tests is absolutely necessary to confirm we’ve actually improved the codebase in some way.   Refactoring is not a popular chore amongst developers or managers. The former don’t like fixing old code, the latter can’t see the financial benefit. Remember how we talked about being lousy at estimating future costs in the previous post? But there comes a time when it must be done. Hopefully I’ve given you some ideas how to get started. In the last post of the series we’ll take a look at the tools to use and an example of testing and refactoring.

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  • CodePlex Daily Summary for Saturday, June 16, 2012

    CodePlex Daily Summary for Saturday, June 16, 2012Popular ReleasesCosmos (C# Open Source Managed Operating System): Release 92560: Prerequisites Visual Studio 2010 - Any version including Express. Express users must also install Visual Studio 2010 Integrated Shell runtime VMWare - Cosmos can run on real hardware as well as other virtualization environments but our default debug setup is configured for VMWare. VMWare Player (Free). or Workstation VMWare VIX API 1.11AutoUpdaterdotNET : Autoupdate for VB.NET and C# Developer: AutoUpdater.NET 1.1: Release Notes *New feature added that allows user to select remind later interval.Sumzlib: API document: API documentMicrosoft SQL Server Product Samples: Database: AdventureWorks 2008 OLTP Script: Install AdventureWorks2008 OLTP database from script The AdventureWorks database can be created by running the instawdb.sql DDL script contained in the AdventureWorks 2008 OLTP Script.zip file. The instawdb.sql script depends on two path environment variables: SqlSamplesDatabasePath and SqlSamplesSourceDataPath. The SqlSamplesDatabasePath environment variable is set to the default Microsoft ® SQL Server 2008 path. You will need to change the SqlSamplesSourceDataPath environment variable to th...HigLabo: HigLabo_20120613: Bug fix HigLabo.Mail Decode header encoded by CP1252Jasc (just another script compressor): 1.3.1: Updated Ajax Minifier to 4.55.WipeTouch, a jQuery touch plugin: 1.2.0: Changes since 1.1.0: New: wipeMove event, triggered while moving the mouse/finger. New: added "source" to the result object. Bug fix: sometimes vertical wipe events would not trigger correctly. Bug fix: improved tapToClick handler. General code refactoring. Windows Phone 7 is not supported, yet! Its behaviour is completely broken and would require some special tricks to make it work. Maybe in the future...Phalanger - The PHP Language Compiler for the .NET Framework: 3.0.0.3026 (June 2012): Fixes: round( 0.0 ) local TimeZone name TimeZone search compiling multi-script-assemblies PhpString serialization DocDocument::loadHTMLFile() token_get_all() parse_url()BlackJumboDog: Ver5.6.4: 2012.06.13 Ver5.6.4  (1) Web???????、???POST??????????????????Yahoo! UI Library: YUI Compressor for .Net: Version 2.0.0.0 - Ferret: - Merging both 3.5 and 2.0 codebases to a single .NET 2.0 assembly. - MSBuild Task. - NAnt Task.Bumblebee: Version 0.3.1: Changed default config values to decent ones. Restricted visibility of Hive.fs to internal. Added some XML documentation. Added Array.shuffle utility. The dll is also available on NuGet My apologies, the initial source code referenced was missing one file which prevented it from building The source code contains two examples, one in C#, one in F#, illustrating the usage of the framework on the Travelling Salesman Problem: Source CodeSharePoint XSL Templates: SPXSLT 0.0.9: Added new template FixAmpersands. Fixed the contents of the MultiSelectValueCheck.xsl file, which was missing the stylesheet wrapper.ExcelFileEditor: .CS File: nothingBizTalk Scheduled Task Adapter: Release 4.0: Works with BizTalk Server 2010. Compiled in .NET Framework 4.0. In this new version are available small improvements compared to the current version (3.0). We can highlight the following improvements or changes: 24 hours support in “start time” property. Previous versions had an issue with setting the start time, as it shown 12 hours watch but no AM/PM. Daily scheduler review. Solved a small bug on Daily Properties: unable to switch between “Every day” and “on these days” Installation e...Weapsy - ASP.NET MVC CMS: 1.0.0 RC: - Upgrade to Entity Framework 4.3.1 - Added AutoMapper custom version (by nopCommerce Team) - Added missed model properties and localization resources of Plugin Definitions - Minor changes - Fixed some bugsXenta Framework - extensible enterprise n-tier application framework: Xenta Framework 1.8.0 Beta: Catalog and Publication reviews and ratings Store language packs in data base Improve reporting system Improve Import/Export system A lot of WebAdmin app UI improvements Initial implementation of the WebForum app DB indexes Improve and simplify architecture Less abstractions Modernize architecture Improve, simplify and unify API Simplify and improve testing A lot of new unit tests Codebase refactoring and ReSharpering Utilize Castle Windsor Utilize NHibernate ORM ...Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.55: Properly handle IE extension to CSS3 grammar that allows for multiple parameters to functional pseudo-class selectors. add new switch -braces:(new|same) that affects where opening braces are placed in multi-line output. The default, "new" puts them on their own new line; "same" outputs them at the end of the previous line. add new optional values to the -inline switch: -inline:(force|noforce), which can be combined with the existing boolean value via comma-separators; value "force" (which...Microsoft Media Platform: Player Framework: MMP Player Framework 2.7 (Silverlight and WP7): Additional DownloadsSMFv2.7 Full Installer (MSI) - This will install everything you need in order to develop your own SMF player application, including the IIS Smooth Streaming Client. It only includes the assemblies. If you want the source code please follow the link above. Smooth Streaming Sample Player - This is a pre-built player that includes support for IIS Smooth Streaming. You can configure the player to playback your content by simplying editing a configuration file - no need to co...Liberty: v3.2.1.0 Release 10th June 2012: Change Log -Added -Liberty is now digitally signed! If the certificate on Liberty.exe is missing, invalid, or does not state that it was developed by "Xbox Chaos, Open Source Developer," your copy of Liberty may have been altered in some (possibly malicious) way. -Reach Mass biped max health and shield changer -Fixed -H3/ODST Fixed all of the glitches that users kept reporting (also reverted the changes made in 3.2.0.2) -Reach Made some tag names clearer and more consistent between m...Media Companion: Media Companion 3.503b: It has been a while, so it's about time we release another build! Major effort has been for fixing trailer downloads, plus a little bit of work for episode guide tag in TV show NFOs.New Projects.NinJa (dotNinja): An extensive JavaScript Framework revolving around principles found in .NET and aiming to integrate full Intellisense support. bab-rizg: solve unemployment problemBizTalk Multi-part Message Attachments Zipper Pipeline Component: This pipeline component replaces all attachments of a multi-part message, in a send pipeline, for its zipped equivalent.Boggle.Net: A basic implementation of Boggle for WPF.CFScript: CFScript is an ANT-like scripting system for Compact Framework. Tasks like copying files, setting registry values o install CAB files can be done with CFScript.Diablo3: Diablo3Dygraphs.NET: Dygraphs.NETDynamics CRM plugin for nopCommerce: This plugins is a bridge between nopCommerce and Dynamics CRM. nms.gaming: Place holderProject Bright Star: Project Bright Star. Deal with it.RDFSharp: RDFSharp is a library designed to ease the development of .NET applications based on the RDF and Semantic Web data model.SlamCMS: An application framework that allows you to build content managed sites leveraging SharePoint 2010 for publishing with tools to query and manifest your data.test02: no

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  • CodePlex Daily Summary for Thursday, February 25, 2010

    CodePlex Daily Summary for Thursday, February 25, 2010New ProjectsAptusSoftware.Threading: AptusSoftware.Threading is a class library designed primarily to assist in the development of multi-threaded WinForm applications, although there i...AxiomGameDesigner: It is going to be a universal scene editor for Axiom 3D game engine. It is in pure C# and will be kept portable to MONO for compatibility with linu...Badger - Unity Productivity Extensions: A set of Microsoft Unity Extensions. Why Badger? Because I love badgers.Business & System Analysis Templates and Best Practices for Russian: http://saway.codeplex.com/Conectayas: Conectayas is an open source "Connect Four" alike game but transformable to "Tic-Tac-Toe" and to a lot of similar games that uses mouse. Written in...FastCode: .NET 3.5 Extensions set to increase coding speed.Hundiyas: Hundiyas is an open source "Battleship" alike game totally written in DHTML (JavaScript, CSS and HTML) that uses mouse. This cross-platform and cro...Icelandic Online Banking: Icelandic Online Banking is project defining a web service interface for online banking.IE8 AddOns XML Creator: Application that helps on creating the xml files for IE8 Accelerators, Search Providers and the markup for Web Slices.iKnowledge: a asp.net mvc demoLearn ASP.NET MVC: Learn ASP.NET MVC is a project for the members of the Peer Learning group in Silicon Valley. It contains the SportsStore solution from the Pro ASP...Live at Education Meta Web-Service: Live at Education Meta Web-Service is intended to abstract from several technologies that are included in Live@edu set of services. This web-ser...Low level wave sound output for VB.NET: Low level sound output class for VB.NET using platform invocation services to call winmm.dllMailQ: MailQ makes it easier for developers to send mail messages from an application. The system sends mails based on a database queue system (store, se...Managed DXGI: Managed DXGI library is Fully managed wrapper writen on C# for DXGI 1.0 and 1.1 technology. It makes easier to support DXGI in managed application....Multivalue AutoComplete WinForms TextBox in C#: This project is a sample application that demonstrates how to create a multivalue WinForms textbox in C# using .NET Framework 3.5.Nifty CSharp Tools: Nifty CSharp Tools, will contain various tools and snippets. IRCBot, splashscreens, linq, world of warcraft log parsing, screenshot uploaders, twi...PHP MPQ: A port of StormLib to PHP for handling Blizzard MPQ files.RedDevils strategy - Project Hoshimi Programming Battle: Source Code of RedDevils strategy. Imagine Cup 2008 - Project Hoshimi Programming Battle.RNUNIT: rNunit is a distributed Nunit project. Many application these days are client-server application, distributed application and regular unit testing ...Samar Solution: Samar Solutions is a business system for office automation.Silverlight OOMRPG Game Engine: Silverlight OOMRPG Game EngineSimulator: GPSSimulatorSLARToolkit - Silverlight Augmented Reality Toolkit: SLARToolkit is a flexible Augmented Reality library for Silverlight with the aim to make real time Augmented Reality applications with Silverlight ...Spiral Architecture Driven Development (SADD) for Russian: Это русская версия сайта sadd.codeplex.comSQLSnapshotManager: Easily manage SQL Server database snapshots in a easy to use visual interface.Twilio with VB.NET MVC: Twilio with VB.NET MVC is a sample application for developing with Twilio's REST based telephony API. It includes an XML Schema of the TwiML respon...Ultra Speed Dial: UltraSpeedDial.com - Online Speed Dial Page.Visual HTML Editor justHTML: justHTML - is simle windows-application WYSIWYG editor that allow everyone - without any knowledge of HTML - to create and edit web-pages. It supp...WinMTR.NET: .NET Clone of the popular Windows clone of the popular Linux Matt's TracerouteWPF Dialogs: "WPF Dialogs" is a library for different Dialogs in WPF (e.g. FolderBrowseDialog, SaveFileDialog, OpenFileDialog etc.). These Dialogs are written i...WPFLogin: A small Login window in WPF and C#XNA PerformanceTimers: CPU Timers for Windows and Xbox360. Can track multiple threads, and presents output as a log on-screen.New ReleasesAptusSoftware.Threading: 2.0.0: First public release. This release is in production as part of several commercial applications and is stable. The source code download includes a...BizTalk Software Factory: BizTalk Software Factory v2.1: This is a service release for the BizTalk Software Factory for BizTalk Server 2009, containing so far: Fix for x64: the SN.EXE tool is now locate...Business & System Analysis Templates and Best Practices for Russian: R00 The Place reserver: Just to reserve the place Will be filled out soonChronos WPF: Chronos v1.0 Beta 2: Added a new SplashScreen Added a new Login View and implemented Log Off Added a new PasswordBoxHelper (http://www.codeproject.com/Articles/371...dotNetTips: dotNetTips.Utility 3.5 R2: This is a new release (version 3.5.0.3) compatible with .NET 3.5. Lots of new classes/features!! Requires SP1 if using the Entity Framework extensi...fleXdoc: template-based server-side document generator (docx): fleXdoc 1.0 beta 3: The third and final beta of fleXdoc. fleXdoc consists of a webservice and a (test)client for the service. Make sure you also download the testclien...FluentPS: FluentPS v1.0: - FluentPS is moved from ASMX to WCF interface of the Project Server Interface (PSI) - Impersonation changes to work in compliance with WCF interfa...FolderSize: FolderSize.Win32.1.0.4.0: FolderSize.Win32.1.0.3.0 A simple utility intended to be used to scan harddrives for the folders that take most place and display this to the user...iTuner - The iTunes Companion: iTuner 1.1.3707 Beta 3: As promised, the iTuner Automated Librarian is now available. This automatically cleans an entire album of dead tracks and duplicates as tracks ar...Live at Education Meta Web-Service: LAEMWS v 1.0 beta: Release Candidate for LAEMWS.Macaw Reusable Code Library: LanguageConfigurationSolution: This Solution helps developing a multi language publishing web siteManaged DXGI: Initial Release.: Base declaration of interfaces, most of them untested yet.Math.NET Numerics: 2010.2.24.667 Build: Latest alpha buildMiniTwitter: 1.08.1: MiniTwitter 1.08.1 更新内容 変更 インクリメンタル検索時には大文字小文字の区別をしないように変更 クライアント名の表示を本家にあわせて from から via に変更 修正 公式 RT 時にステータスが上に表示されたり二重に表示されるバグを修正 自分が自分へ返信...Multivalue AutoComplete WinForms TextBox in C#: 1.0 First public release: Multivalue autocomplete textbox control and host application in this release are released in a single Visual Studio 2008 projects. See my related b...NMock3: NMock3 - Beta3, .NET 3.5: This release has some exciting new features. Please start providing feedback on the tutorials. The first several are complete and the rest are no...nxAjax - an asp.net ajax library using jQuery: nxAjax v3 codeplex 7: nxAjax v3 codeplex 7 binary and test website. Bug Fixed: ajax:Form control Add: Drag and drop Rewritten: DragnDropManager DragPanel DropPan...Office Apps: 0.8.7: whats new? Document.Editor and Document.Viewer now supports FlowDocument (.xaml) files bug fix'sPDF Rider: PDF Rider 0.3: Application PrerequisitesMicrosoft Windows Operating Systems (XP (tested) - Vista - 7) Microsoft .NET Framework 3.5 runtime A PDF rendering sof...ShellLight: ShellLight 0.1.0.1 Src: Codeplex project released. This is only a preview of the product. Until the first final release there will be many improvements.Silverlight OOMRPG Game Engine: SilverlightGameTutorialSolution v1.01: Please visit my blog for Silverlight OOMROG Game Tutorial: http://www.cnblogs.com/Jax/archive/2010/02/24/1673053.html.Simple Savant: Simple Savant v0.4: Added support for full-text indexing (See Full-Text Indexing) Added support for attribute spanning and compression for property values larger tha...Spiral Architecture Driven Development (SADD) for Russian: R00: R00 to reserve site nameTeamReview - TFS Code Review: Release 1.1.3: Release Features New expanded product positioning for capturing any targeted coding work as a trackable, assignable, reportable Work Item for any r...Text Designer Outline Text Library: 10th minor release: Version 0.3.1 (10th minor release)Fixed the gradient brush being too big for the text, resulting in not much gradient shown in the text. Gradient...TFS Workflow Control: TeamExplorer and TSWA control 1.0 for TFS 2010 RC: This is a special version for TFS 2010 RC. Use the RC version of the power tools to modify the layout of your work items (http://visualstudiogaller...thinktecture WSCF.blue: WSCF.blue V1 Update (1.0.7) - VS2010 RC Support: This update adds support for Visual Studio 2010 RC in addition to Visual Studio 2008. Please note that Visual Studio 2010 Beta 2 is NOT supported a...Tumblen3: tumblen3 Version 25Feb2010: ready for Twitter's xAuthUMD文本编辑器: UMDEditor文本编辑器V2.1.0: 2.1.0 (2010-02-24) 增加查找章节内指定文本内容的功能 2.0.4 (2010-02-06) 章节内容框增加右键菜单,包含编辑文本的基本操作 ------------------------------------------------------- 执行 reg.bat ...VCC: Latest build, v2.1.30224.0: Automatic drop of latest buildVisual HTML Editor justHTML: Latest binary: Latest buid here. Executable and mshtml.dll included in this archive. Ready to use ;)Visual HTML Editor justHTML: Source code for version 2.5: Visual studio 2008 project with full source code.VOB2MKV: vob2mkv-1.0.2: The release vob2mkv-1.0.2 is a feature update of the VOB2MKV project. It now includes a DirectShow source filter, MKVSOURCE. A source filter allo...WinMTR.NET: V 1.0: V 1.0WPF Dialogs: Version 0.1.0: Version 0.1.0 FolderBrowseDialog is implementet for more information look here Version 0.1.0 (german: Version 0.1.0 - Deutsch).WPF Dialogs: Version 0.1.1: Version 0.1.1 Features FolderBrowseDialog was extended / FolderBrowseDialog - Deutsch wurde erweitertXNA PerformanceTimers: XNA PerformanceTimers 0.1: Initial release.Zeta Resource Editor: Release 2010-02-24: Added HTTP proxy server support.Most Popular ProjectsASP.NET Ajax LibraryManaged Extensibility FrameworkWindows 7 USB/DVD Download ToolDotNetZip LibraryMDownloaderVirtual Router - Wifi Hot Spot for Windows 7 / 2008 R2MFCMAPIDroid ExplorerUseful Sharepoint Designer Custom Workflow ActivitiesOxiteMost Active ProjectsDinnerNow.netBlogEngine.NETRawrInfoServiceSLARToolkit - Silverlight Augmented Reality ToolkitNB_Store - Free DotNetNuke Ecommerce Catalog ModuleSharpMap - Geospatial Application Framework for the CLRjQuery Library for SharePoint Web ServicesRapid Entity Framework. (ORM). CTP 2Common Context Adapters

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  • CodePlex Daily Summary for Wednesday, February 24, 2010

    CodePlex Daily Summary for Wednesday, February 24, 2010New ProjectsADO.Net DataSets to ExtJs.data.Store: A JavaScript (and C#) based project to reduce the amount of client-side code necessary to consume ADO.Net / ASP.Net web services when using ExtJS.AMP.Net Wrapper: AMP is a platform to build on-line marketplaces (http://www.poweredbyamp.com). AMP.Net provided Object-Like interaction with AMP's restful service...ArkSwitch: ArkSwitch is an easy to use, finger-friendly task manager for Windows Mobile 6.5.3 (with a WM6.5 compatibility mode). It is developed mainly in C#,...Biffen: Cinema-booking project in Computer Science at University College Nordjylland, Denmark.Braintree Client Library: Client library for integrating with the Braintree Gateway.Business Framework: A framework which helps building business applications. It provides business rules, validation rules and a text-based language for writing rules. I...Camp Araminta: This project will be used to coordinate development efforts on the Camp Araminta website.ChoServiceHost: Simple and easy way to create and host Windows Service Applications in .NET 3.5/Visual Studio 2008Delta College Game Development Project: Project site for cs 16 game development classDotNetNuke® Labs: DotNetNuke Labs is a collection of "research & development" type projects for the DotNetNuke platform.Generic web part for hosting Silverlight content on SharePoint sites (WSS,MOSS): This is a generic web part for hosting Silverlight content on WSS 30 and MOSS 2007 sites. The objective of this web part was to make it easy for us...GpTiming: GpTiming is a simple "lab" application related to race events, based on a Domain Model.HTML Forms in Windows Forms: As the names suggests this code library is designed to introduce HTML code (primarily form code) into Windows Forms. It was created because standar...imgur uploader - .net open source uploader for image sharing site imgur: Imgur uploader strives to be an easy to use uploader for images you would like to share with friends and family. It is written in c#.kuuy static system: kuuy static system is a full static publish website system!LaTeX Grapher: The goal of this project is to make a tool that facilitates making high quality two dimensional vector graphic function plots with a minimal amount...LightREST: A .NET library to consume REST-based HTTP services.Machiavelli: Machiavelli is Stackoverflow inspired project that I am working on following Andrew Siemer's article on DotNetSlackers. Mover: Mover makes it easier for developers to create programmatic animations in Silverlight. It provides an expressive API to the platform's underlying S...MVC Presenter: ASP.NET MVC 2で作るプレゼンビューアーnHibernate Attribute mapping: How to use Attibute mapping with a ManyToMany Relationship with nHibernateNIPO Data Processing Component Framework: NIPO is a general purpose component framework for data processing applications (that follow the IPO-principle). Its plugin-based architecture makes...PowerShell Remote File Explorer: This project intends to develop a Windows forms based file explorer to browse/transfer files over PowerShell 2.0 remoting channel. The file transfe...Process Flow Tracking of Biomass Distribution Project (University of Mumbai): At Larsen & Toubro Infotech India Ltd., my team worked on a SCM (Supply Chain Management) based project titled 'Process Flow Tracking of Biomass Di...VS2010 Rc1 Fix: Illustrates a fix for working with the ASAP.NET Wizard control with VS2010 RC1Yicker: a microblog program devolep by c#.New ReleasesADO.Net DataSets to ExtJs.data.Store: Ext.net: This is the first version of Ext.net. This version contains a single class, Ext.net.Store which extends the Ext.data.Store class to consume ADO.Ne...AMP.Net Wrapper: AMP.Net v1.0: Provides abstraction for all the product search functionality offered by AMP.ArkSwitch: ArkSwitch legacy versions: Old versions - no need to download themArkSwitch: ArkSwitch v1.1.0: ArkSwitch v1.1.0Braintree Client Library: Braintree 1.0.0: Braintree .NET client library 1.0.0Business Framework: BusinessFramework preview: Early preview bits. See Rules for a sample.Business Framework: Samples: SamplesCC.Votd: CC.Votd 1.0.10.224: This is the initial release of CC.Votd. Marking as beta since I'm the only one who has used it up to this point.ChoServiceHost: ChoServiceHost.msi: Easy way to develop Windows Service applications in .NET 3.5/VS.NET 2008. (Installer)ChoServiceHost: ChoServiceHost-Src.zip: Easy way to develop Windows Service applications in .NET 3.5/VS.NET 2008. (Source Files)CHS Extranet: Beta 2.4: Beta 2.4 Release: Change Log: Added HTML preview options for XLS, XLSX, DOCX File Changes: ~/MyComputer.aspx ~/mycomputer.css ~/basestyle.css...Composure: AvalonDock-55751-VS2010.NET4: This is a "convenience build" of AvalonDock (drop 55751) for VIsual Studio 2010 and .NET 4.0. Nothing has been altered in the source code (which ...Data Access Component: Version 2.6: Add LINQ support.Desktop Google Reader: 1.3 Beta 1: New features: Read it Later included (see http://readitlaterlist.com/) Liking added (working: see number of liking users, see if liking yourself,...Explorer Plus: Explorer Plus v0.3: Amazon Locales AddedFree Silverlight & WPF Chart Control - Visifire: Visifire SL and WPF Charts 3.0.3 Released: Hi, Today we have released the final version of Visifire v3.0.3 which contains the following major features: * DataBinding. * IndicatorEn...Generic web part for hosting Silverlight content on SharePoint sites (WSS,MOSS): CTP: The objective of this release was to gather feedback from the wider community. I intend to pursue further development and make fixes wherever appro...HTML Forms in Windows Forms: HTMLForms 1.0: First Release.imgur uploader - .net open source uploader for image sharing site imgur: Release 2010-02-23-01: This is the first codeplex release! Let mayhem commence...Jeremi Stadler: Stick Tops 2.5: Sticktops is a very light program that makes it easy to paste stuff on small notes on the screen. All notes you have is saved on a server so you ca...kuuy static system: kss_v1.0beta sql: kss_v1.0beta sql scripts sourceMDownloader: MDownloader-0.15.2.55998: Fixed detecting uploading.com dead links; Added hiding rss entries without files;Mover: MoverLib for Silverlight 3: A first version of MoverLib for Silverlight 3.nHibernate Attribute mapping: 1.0: Source CodenHibernate Attribute mapping: Download 1: Zip fileNodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Class Libraries, version 1.0.1.113: The NodeXL class libraries can be used to display network graphs in .NET applications. To include a NodeXL network graph in a WPF desktop or Windo...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel 2007 Template, version 1.0.1.113: The NodeXL Excel 2007 template displays a network graph using edge and vertex lists stored in an Excel 2007 workbook. What's NewThis version inclu...OAuthLib: OAuthLib (1.6.0.0): Difference between previous version is as next. 7079 Make it possible to pass factory method of request in ObtainUnauthorizedRequestToken and Reque...patterns & practices SharePoint Guidance: SPG2010 Drop 5: SharePoint Guidance Drop Notes Microsoft patterns and practices ****************************************** ***************************************...PowerShell Remote File Explorer: PSRemoteExplorer 0.1: This release is the initial release of PowerShell remote file explorer. This enables the basic functionality of a remote file explorer. This also p...Reusable Library: v1.0.3: A collection of reusable abstractions for enterprise application developer.SharePoint Outlook Connector: Version 1.0.2.4: Version 1.0.2.4 Minor bugs have been fixed.Silverlight Server File Manager: First production release: This release is in production. Release on change set 37268.SIMD Detector: 2nd Release: Released C/CLI assembly project for use in CSharp and VB. Tested in CSharp console application. A Windows Form application coming soon. Projects ma...Source Analysis Policy: Source Analysis Policy v1.1 SP1: This release contains the compiled, and signed binaries in an installation package. This package also registers the policy with Microsoft Visual St...SpecExpress : A Fluent Validation Framework: SpecExpress 1.1: UpdatesAdded Validation Contexts feature Fixed bug with handling for Bool Types and Required MessageStore now allows for overriding individual ...VCC: Latest build, v2.1.30223.0: Automatic drop of latest buildVS2010 Rc1 Fix: RC1Fix01: This is a very simple project implementing a Microsoft Walkthrough at http://msdn.microsoft.com/en-us/library/wdb4eb30%28VS.100%29.aspx and the man...WPF AutoComplete TextBox Control: version 1.0: Initial releaseMost Popular ProjectsASP.NET Ajax LibraryManaged Extensibility FrameworkAccelerators for Microsoft Dynamics CRMWindows 7 USB/DVD Download ToolDotNetZip LibraryMDownloaderVirtual Router - Wifi Hot Spot for Windows 7 / 2008 R2MFCMAPIDroid ExplorerUseful Sharepoint Designer Custom Workflow ActivitiesMost Active ProjectsDinnerNow.netRawrBlogEngine.NETInfoServiceNB_Store - Free DotNetNuke Ecommerce Catalog ModuleRapid Entity Framework. (ORM). CTP 2SharpMap - Geospatial Application Framework for the CLRjQuery Library for SharePoint Web Servicespatterns & practices – Enterprise LibraryXcoordination Application Space

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  • CodePlex Daily Summary for Monday, March 01, 2010

    CodePlex Daily Summary for Monday, March 01, 2010New ProjectsActiveWorlds World Server Admin PowerShell SnapIn: The purpose of this PowerShell SnapIn is to provide a set of tools to administer the world server from PowerShell. It leverages the ActiveWorlds S...AWS SimpleDB Browser: A basic GUI browser tool for inspection and querying of a SimpleDB.Desktop Dimmer: A simple application for dimming the desktop around windows, videos, or other media.Disk Defuzzer: Compare chaos of files and folders with customizable SQL queries. This little application scans files in any two folders, generates data in an A...Dynamic Configuration: Dynamic configuration is a (very) small library to provide an API compatible replacement for the System.Configuration.ConfigurationManager class so...Expression Encoder 3 Visual Basic Samples: Visual Basic Sample code that calls the Expression Encoder 3 object model.Extended Character Keyboard: An lightweight onscreen keyboard that allows you to enter special characters like "á" and "û". Also supports adding of 7 custom buttons.FileHasher: This project provides a simple tool for generating and verifying file hashes. I created this to help the QA team I work with. The project is all C#...Fluent Assertions: Fluent interface for writing more natural specifying assertions with more clarity than the traditional assertion syntax such as offered by MSTest, ...Foursquare BlogEngine Widget: A Basic Widget for BlogEngine which displays the last foursquare Check-insGraffiti CMS Events Plugin: Plugin for Graffiti CMS that allows creating Event posts and rendering an Event CalendarHeadCounter: HeadCounter is a raid attendance and loot tracking application for World of Warcraft.HRM Core (QL Nhan Su): This is software about Human Resource Management in Viet Nam ------------ Đây là phần mềm Quản lý nhân sự tiền lương ở Việt Nam (Nghiệp vụ ở Việt Nam)IronPython Silverlight Sharpdevelop Template: This IronPython Silverlight SharpDevelop Template makes it easier for you to make Silverlight applications in IronPython with Sharpdevelop.kingbox: my test code for study vs 2005link_attraente: Projeto Conclusão de CursoORMSharp.Net: ORMSharp.Net https://code.google.com/p/ormsharp/ http://www.sqlite.org/ http://sqlite.phxsoftware.com/ http://sourceforge.net/projects/sqlite-dotnet2/Orz framework: Orz framework is more like a helpful library, if you are develop with DotNet framework 3.0, it will be very useful to you. Orz framework encapsul...OTManager: OTManagerSharePoint URL Ping Tool: The Url Ping Tool is a farm feature in SharePoint that provide additional performance and tracing information that can be used to troubleshoot issu...SunShine: SunShine ProjectToolSuite.ValidationExpression: assembly with regular expression for the RegularExpressionValidator controlTwitual Studio: A Visual Studio 2010 based Twitter client. Now you have one less reason for pressing Alt+Tab. Plus you still look like you're working!Velocity Hosting Tool: A program designed to aid a HT Velocity host in hosting and recording tournaments.Watermarker: Adds watermark on pictures to prevent copy. Icon taken from PICOL. Can work with packs of images.Zack's Fiasco - ASP.NET Script Includer: Script includer to * include scripts (JS or CSS) once and only once. * include the correct format by differentiating between release and build. Th...New ReleasesAll-In-One Code Framework: All-In-One Code Framework 2010-02-28: Improved and Newly Added Examples:For an up-to-date list, please refer to All-In-One Code Framework Sample Catalog. Samples for ASP.NET Name ...All-In-One Code Framework (简体中文): All-In-One Code Framework 2010-02-28: Improved and Newly Added Examples:For an up-to-date list, please refer to All-In-One Code Framework Sample Catalog. Latest Download Link: http://c...AWS SimpleDB Browser: SimpleDbBrowser.zip Initial Release: The initial release of the SimpleDbBrowser. Unzip the file in the archive and place them all in a folder, then run the .exe. No installer is used...BattLineSvc: V1: First release of BattLineSvcCC.Votd Screen Saver: CC.Votd 1.0.10.301: More bug fixes and minor enhancements. Note: Only download the (Screen Saver) version if you plan to manually install. For most users the (Install...Dynamic Configuration: DynamicConfiguration Release 1: Dynamic Configuration DLL release.eIDPT - Cartão de Cidadão .NET Wrapper: EIDPT VB6 Demo Program: Cartão de Cidadão Middleware Application installation (v1.21 or 1.22) is required for proper use of the eID Lib.eIDPT - Cartão de Cidadão .NET Wrapper: eIDPT VB6 Demo Program Source: Cartão de Cidadão Middleware Application installation (v1.21 or 1.22) is required for proper use of the eID Lib.ESPEHA: Espeha 10: 1. Help available on F1 and via context menu '?' 2. Width of categiries view is preserved througb app starts 3. Drag'nd'drop for tasks view allows ...Extended Character Keyboard: OnscreenSCK Beta V1.0: OnscreenSCK Beta Version 1.0Extended Character Keyboard: OnscreenSCK Beta V1.0 Source: OnscreenSCK Beta Version 1.0 Source CodeFileHasher: Console Version v 0.5: This release provides a very basic and minimal command-line utility for generating and validating file hashes. The supported command-line paramete...Furcadia Framework for Third Party Programs: 0.2.3 Epic Wrench: Warning: Untested on Linux.FurcadiaLib\Net\NetProxy.cs: Fixed a bug I made before update. FurcadiaFramework_Example\Demo\IDemo.cs: Ignore me. F...Graffiti CMS Events Plugin: Version 1.0: Initial Release of Events PluginHeadCounter: HeadCounter 1.2.3 'Razorgore': Added "Raider Post" feature for posting details of a particular raider. Added Default Period option to allow selection of Short, Long or Lifetime...Home Access Plus+: v3.0.0.0: Version 3.0.0.0 Release Change Log: Reconfiguration of the web.config Ability to add additional links to homepage via web.config Ability to add...Home Access Plus+: v3.0.1.0: Version 3.0.1.0 Release Change Log: Fixed problem with moving File Changes: ~/bin/chs extranet.dll ~/bin/chs extranet.pdbHome Access Plus+: v3.0.2.0: Version 3.0.2.0 Release Change Log: Fixed problem with stylesheet File Changes: ~/chs.masterHRM Core (QL Nhan Su): HRMCore_src: Source of HRMCoreIRC4N00bz: IRC4N00bz v1.0.0.2: There wasn't much updated this weekend. I updated 2 'raw' events. One is all raw messages and the other is events that arn't caught in the dll. ...IronPython Silverlight Sharpdevelop Template: Version 1 Template: Just unzip it into the Sharpdevelop python templates folder For example: C:\Program Files\SharpDevelop\3.0\AddIns\AddIns\BackendBindings\PythonBi...MDownloader: MDownloader-0.15.4.56156: Fixed handling exceptions; previous handling could lead to freezing items state; Fixed validating uploading.com links;OTManager: Activity Log: 2010.02.28 >> Thread Reopened 2010.02.28 >> Re-organized WBD Features/WMBD Features 2010.02.28 >> Project status is active againPicasa Downloader: PicasaDownloader (41175): NOTE: The previous release was accidently the same as the one before that (forgot to rebuild the installer). Changelog: Fixed workitem 10296 (Sav...PicNet Html Table Filter: Version 2.0: Testing w/ JQuery 1.3.2Program Scheduler: Program Scheduler 1.1.4: Release Note: *Bug fix : If the log window is docked and user moves the log window , main window will move too. *Added menu to log window to clear...QueryToGrid Module for DotNetNuke®: QueryToGrid Module version 01.00.00: This is the initial release of this module. Remember... This is just a proof of concept to add AJAX functionality to your DotNetNuke modules.Rainweaver Framework: February 2010 Release: Code drop including an Alpha release of the Entity System. See more information in the Documentation page.RapidWebDev - .NET Enterprise Software Development Infrastructure: ProductManagement Quick Sample 0.1: This is a sample product management application to demonstrate how to develop enterprise software in RapidWebDev. The glossary of the system are ro...Team Foundation Server Revision Labeller for CruiseControl.NET: TFS Labeller for CruiseControl.NET - TFS 2008: ReleaseFirst release of the Team Foundation Server Labeller for CruiseControl.NET. This specific version is bound to TFS 2008 DLLs.ToolSuite.ValidationExpression: 01.00.01.000: first release of the time validation class; the assembly file is ready to use, the documentation ist not complete;VCC: Latest build, v2.1.30228.0: Automatic drop of latest buildWatchersNET CKEditor™ Provider for DotNetNuke: CKEditor Provider 1.7.00: Whats New FileBrowser: Non Admin Users will only see a User Sub folder (..\Portals\0\userfiles\UserName) CKFinder: Non Admin Users will only see ...Watermarker: Watermarker: first public version. can build watermark only in left top corner on one image at once.While You Were Away - WPF Screensaver: Initial Release: This is the code released when the article went live.Most Popular ProjectsMetaSharpRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)Microsoft SQL Server Community & SamplesASP.NETDotNetNuke® Community EditionMost Active ProjectsRawrBlogEngine.NETMapWindow GISCommon Context Adapterspatterns & practices – Enterprise LibrarySharpMap - Geospatial Application Framework for the CLRSLARToolkit - Silverlight Augmented Reality ToolkitDiffPlex - a .NET Diff GeneratorRapid Entity Framework. (ORM). CTP 2jQuery Library for SharePoint Web Services

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  • CodePlex Daily Summary for Sunday, February 28, 2010

    CodePlex Daily Summary for Sunday, February 28, 2010New ProjectsESB Toolkit Extensions: ESB Extensions is a solution containing multiple .Net Projects and artifacts: Unit Tests, Itineraries, Business Rules, Binding Files, and C# Class ...Event-Based Components Binder: The Binder automatically connects output-pins to input-pins of Event-Based Components based on message type information and naming conventions. ...Haze Anti-Virus: Haze Anti-Virus is a anti virus written in C# and has features such a realtime process watching and a Process Blacklist, and is able to download Da...latex2mathml: A .NET 2.0 library written in C# which allows the conversion of LaTeX documents to XHTML+MathML format. A stand-alone converter is included. The li...Project Lyrebird: Project lyrebird is a attempt to create a all-purpose media player. It is designed to be simple, yet powerful. Its written in C#QueryToGrid Module for DotNetNuke®: This is a module that allows you to execute and display the results of T-SQL queries in DotNetNuke using your choice of AJAX grids.Reusable Library Demo: A demonstration of reusable abstractions for enterprise application developerSharePoint 2010 Conference Samples: This project contains source code from various SharePoint 2010 conferences where Scot Hillier presented.Silverlight Photo Blogger: Silverlight Photo Blogger gives you the tools you need to capture and blog about your travels in a rich and interactive web experience. Enjoy som...SMTP Test: Several times we are faced with applications that send email, the SMTP Tester principle objective is to test various possibilities of sendingSolution Tools - tools for Visual Studio solutions and projects: Solution Tools are a collection of tools that you can use with your Visual Studio Solutions and projects.New ReleasesAgile Poker Cards for Windows Mobile: Agile Poker Cards v1.1.0.0: Agile Poker Cards v1.1.0.0 Use this application to display poker cards in a planning session on a Windows Mobile device. Release notes Added new ...BuildTools - Toolset for automated builds: BuildTools 2.0 Feb 2010 Milestone: The Feb 2010 Milestone release is a complete rewrite of the old codebase in Visual Studio 2010 RC. It features MSBuild tasks for generating build v...Composure: NHibernate-Trunk-2010-02-25-VS2010.NET4 Alpha1: Recent NHibernate-Trunk conversion for Visual Studio 2010 Beta2 against .NET 4.0. Although all of the tests pass (other than the "Ignored"), this ...Employee Scheduler: Employee Scheduler 2.4: Extract the files to a directory and run Lab Hours.exe. Add an employee. Double click an employee to modify their times. Please contact me through ...ESB Toolkit Extensions: Tellago BizTalk ESB 2.0 Toolkit Extensions: Windows Installer file that installs Library on a BizTalk ESB 2.0 system. This Install automatically configures the esb.config to use the new compo...Haze Anti-Virus: Haze Anti-Virus Binary v1.0.3: This is the Compiled version of Haze Anti-Virus, please let me know about any bugs, thanks Please Note that Database updating is currently not avai...Haze Anti-Virus: Haze Anti-Virus Source v1.0.3: This is the source for Haze Anti-VirusHOG Project: HOG Visual Studio Template: This is Visual Studio HOG Template. Created by the great tool: Solution FactoryHOG Project: Template user guide: HOW TOiTuner - The iTunes Companion: iTuner 1.1.3711: Two new features are available: the Automated Librarian and Playlist Exporter. The iTuner Automated Librarian automatically cleans the iTunes libr...johanleino.codeplex.com: SilverlightMultiLevelNavigationExample: The source code for SilverlightMultiLevelNavigationExample (VS 2010)MDownloader: MDownloader-0.15.3.56128: Fixed filefactory provider implementation after site changes.MiniTwitter: 1.09: MiniTwitter 1.09 更新内容 変更 スクロール位置がトップ以外の時は自動更新や発言時に位置を保持するように変更 タブ毎にスクロール位置が変わらないように変更 URL に ? や ! が含まれている時は短縮 URL に変換するように変更NMock3: NMock3 - Beta 4, .NET 3.5: This release includes the most current version of the NMock2 project code from Source Forge. Please start providing feedback on the tutorials. The...QueryUnit: QueryUnitPOC v. 0.0.0.7: - This version fixes problems related to the fact that in previous releases you had to specify expected values using locale-specific formats. Now e...RapidWebDev - .NET Enterprise Software Development Infrastructure: RapidWebDev 1.51: This is a hot-fix version for 1.5 which is added a new restful web service for concrete data and fixed some major bugs. The change list is as follo...Rawr: Rawr 2.3.11: - Load from Armory code cleaned up. - Tiny Abomination in a Jar's proc how now been more accurately modeled. - You should now be able to reload...Resharper Settings Manager: RSM v1.2: Changes Added Default Settings File option. The selected settings file will be loaded automatically for solutions with no settings sharing. Added...Reusable Library Demo: Reusable Library Demo v1.0.0: A demonstration of reusable abstractions for enterprise application developerRounded Corners / DIV Container: MJC RoundedDiv 3.2: This is the first public release on Codeplex.com. Versions previous to 3.2 were created before this control was made available on Codeplex.com.SharePoint 2010 Conference Samples: Samples: Download the samples from the conferencesSharePoint Outlook Connector: Version 1.2.2.8: Saving email message as list item and attachments as attachment of the list item functionality has been addedSharePoint URL Ping Tool: Url Ping Tool Solution: A solution that contain one fram fature that will add a link under Site Administration section in the Site Settings page.SMTP Test: Fist SMTP Tester: First ReleaseSolution Tools - tools for Visual Studio solutions and projects: SolutionTools binary: Initial release of the tool. Turns out, this project was just a big waste of effort - use Project Linker instead!Solution Tools - tools for Visual Studio solutions and projects: SolutionTools source - don't use this tool: Initial release of the tool. Turns out, this project was just a big waste of effort - use Project Linker instead! Anyway, here's the source code...Spark View Engine: Spark v1.1 RC1: Overview This build is a preview of v1.1. Among other changes it provides support for ASP.NET MVC 2 RC2. Spark v1.1 release will be created soon ...Sprite Sheet Packer: 2.0 Release: I'm calling this a full new release because I can. Refactored all of the build logic to sspack.exe. This allows you to run this from the command l...SPSF SharePoint Software Factory: SPSF SharePoint Software Factory 2.4.3: New features: WSPBuilder support, Simple Application now with optional multilanguage support, Extending deployment skript for large deployments Fix...TortoiseHg: Beta for TortoiseHg 1.0 (0.9.31201): Beta for TortoiseHg 1.0 (0.9.31201) Please backup your user Mercurial.ini file and then uninstall any 0.9.X release before installing Use the x86...UI Compiler .NET - JavaScript compiler/minifier built on Google Closure Compiler: UI Compiler .NET 1.5 Beta: UI Compiler .NET does not include Java. To be able to run Google Closure Compiler locally you must make sure that Java 6 is installed. If Java 6 (o...VCC: Latest build, v2.1.30227.0: Automatic drop of latest buildVisual Studio DSite: File Encryption and Decryption (Visual Basic 2008): This program will create an encrypted copy of the file specified. Also decrypt the file specified. This program contains the source code but if yo...Visual Studio DSite: Visual C++ 2008 CLR Console Application Random Int: This source code includes an example of generating a random integer between the numbers 1-100.Weather Forecast Control: MJC MyWeather 2.2: This is the first public release on Codeplex.com. Versions previous to 2.2 were created before this control was made available on Codeplex.com.Most Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)Microsoft SQL Server Community & SamplesASP.NETDotNetNuke® Community EditionBlogEngine.NETMost Active ProjectsDinnerNow.netRawrBlogEngine.NETMapWindow GISSLARToolkit - Silverlight Augmented Reality ToolkitCommon Context Adapterspatterns & practices – Enterprise LibrarySharpMap - Geospatial Application Framework for the CLRNB_Store - Free DotNetNuke Ecommerce Catalog ModuleRapid Entity Framework. (ORM). CTP 2

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  • Entity Association Mapping with Code First Part 1 : Mapping Complex Types

    - by mortezam
    Last week the CTP5 build of the new Entity Framework Code First has been released by data team at Microsoft. Entity Framework Code-First provides a pretty powerful code-centric way to work with the databases. When it comes to associations, it brings ultimate flexibility. I’m a big fan of the EF Code First approach and am planning to explain association mapping with code first in a series of blog posts and this one is dedicated to Complex Types. If you are new to Code First approach, you can find a great walkthrough here. In order to build a solid foundation for our discussion, we will start by learning about some of the core concepts around the relationship mapping.   What is Mapping?Mapping is the act of determining how objects and their relationships are persisted in permanent data storage, in our case, relational databases. What is Relationship mapping?A mapping that describes how to persist a relationship (association, aggregation, or composition) between two or more objects. Types of RelationshipsThere are two categories of object relationships that we need to be concerned with when mapping associations. The first category is based on multiplicity and it includes three types: One-to-one relationships: This is a relationship where the maximums of each of its multiplicities is one. One-to-many relationships: Also known as a many-to-one relationship, this occurs when the maximum of one multiplicity is one and the other is greater than one. Many-to-many relationships: This is a relationship where the maximum of both multiplicities is greater than one. The second category is based on directionality and it contains two types: Uni-directional relationships: when an object knows about the object(s) it is related to but the other object(s) do not know of the original object. To put this in EF terminology, when a navigation property exists only on one of the association ends and not on the both. Bi-directional relationships: When the objects on both end of the relationship know of each other (i.e. a navigation property defined on both ends). How Object Relationships Are Implemented in POCO domain models?When the multiplicity is one (e.g. 0..1 or 1) the relationship is implemented by defining a navigation property that reference the other object (e.g. an Address property on User class). When the multiplicity is many (e.g. 0..*, 1..*) the relationship is implemented via an ICollection of the type of other object. How Relational Database Relationships Are Implemented? Relationships in relational databases are maintained through the use of Foreign Keys. A foreign key is a data attribute(s) that appears in one table and must be the primary key or other candidate key in another table. With a one-to-one relationship the foreign key needs to be implemented by one of the tables. To implement a one-to-many relationship we implement a foreign key from the “one table” to the “many table”. We could also choose to implement a one-to-many relationship via an associative table (aka Join table), effectively making it a many-to-many relationship. Introducing the ModelNow, let's review the model that we are going to use in order to implement Complex Type with Code First. It's a simple object model which consist of two classes: User and Address. Each user could have one billing address. The Address information of a User is modeled as a separate class as you can see in the UML model below: In object-modeling terms, this association is a kind of aggregation—a part-of relationship. Aggregation is a strong form of association; it has some additional semantics with regard to the lifecycle of objects. In this case, we have an even stronger form, composition, where the lifecycle of the part is fully dependent upon the lifecycle of the whole. Fine-grained domain models The motivation behind this design was to achieve Fine-grained domain models. In crude terms, fine-grained means “more classes than tables”. For example, a user may have both a billing address and a home address. In the database, you may have a single User table with the columns BillingStreet, BillingCity, and BillingPostalCode along with HomeStreet, HomeCity, and HomePostalCode. There are good reasons to use this somewhat denormalized relational model (performance, for one). In our object model, we can use the same approach, representing the two addresses as six string-valued properties of the User class. But it’s much better to model this using an Address class, where User has the BillingAddress and HomeAddress properties. This object model achieves improved cohesion and greater code reuse and is more understandable. Complex Types: Splitting a Table Across Multiple Types Back to our model, there is no difference between this composition and other weaker styles of association when it comes to the actual C# implementation. But in the context of ORM, there is a big difference: A composed class is often a candidate Complex Type. But C# has no concept of composition—a class or property can’t be marked as a composition. The only difference is the object identifier: a complex type has no individual identity (i.e. no AddressId defined on Address class) which make sense because when it comes to the database everything is going to be saved into one single table. How to implement a Complex Types with Code First Code First has a concept of Complex Type Discovery that works based on a set of Conventions. The convention is that if Code First discovers a class where a primary key cannot be inferred, and no primary key is registered through Data Annotations or the fluent API, then the type will be automatically registered as a complex type. Complex type detection also requires that the type does not have properties that reference entity types (i.e. all the properties must be scalar types) and is not referenced from a collection property on another type. Here is the implementation: public class User{    public int UserId { get; set; }    public string FirstName { get; set; }    public string LastName { get; set; }    public string Username { get; set; }    public Address Address { get; set; }} public class Address {     public string Street { get; set; }     public string City { get; set; }            public string PostalCode { get; set; }        }public class EntityMappingContext : DbContext {     public DbSet<User> Users { get; set; }        } With code first, this is all of the code we need to write to create a complex type, we do not need to configure any additional database schema mapping information through Data Annotations or the fluent API. Database SchemaThe mapping result for this object model is as follows: Limitations of this mappingThere are two important limitations to classes mapped as Complex Types: Shared references is not possible: The Address Complex Type doesn’t have its own database identity (primary key) and so can’t be referred to by any object other than the containing instance of User (e.g. a Shipping class that also needs to reference the same User Address). No elegant way to represent a null reference There is no elegant way to represent a null reference to an Address. When reading from database, EF Code First always initialize Address object even if values in all mapped columns of the complex type are null. This means that if you store a complex type object with all null property values, EF Code First returns a initialized complex type when the owning entity object is retrieved from the database. SummaryIn this post we learned about fine-grained domain models which complex type is just one example of it. Fine-grained is fully supported by EF Code First and is known as the most important requirement for a rich domain model. Complex type is usually the simplest way to represent one-to-one relationships and because the lifecycle is almost always dependent in such a case, it’s either an aggregation or a composition in UML. In the next posts we will revisit the same domain model and will learn about other ways to map a one-to-one association that does not have the limitations of the complex types. References ADO.NET team blog Mapping Objects to Relational Databases Java Persistence with Hibernate

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  • CodePlex Daily Summary for Tuesday, March 02, 2010

    CodePlex Daily Summary for Tuesday, March 02, 2010New ProjectsAcceptance Test Excel Addin: Acceptance Test Excel Addin is a tool to author, execute and analyze acceptance tests in Excel. The tester write tests using Given-When-Then (Gherk...Adrastus: Related to manage Issue/Item of any type. To be defined later TBDAn opportunity of upgrading Linux operating system: Want to add a new software in Linux operating system? Here is an opportunity. UFS (User Friendly Scheduler) has been designed to make the operating...AspNetPager: AspNetPager is a free custom paging control for ASP.NET web form application. It's one of the most popular ASP.NET third party controls used by chi...AzureRunMe: Run Java, Ruby, Python, [insert language of your choice] applications in Windows Azure. You provide a self contained ZIP file with a runme.bat f...DiffPlex - a .NET Diff Generator: DiffPlex is a combination of a .NET Diffing Library with both a Silverlight and HTML diff viewer.GPA WebClient: GPA project web client.Maintenance Service: A lot of projects need to have a windows service that execute different tasks. If am tired of creating the same service for all this project, so He...Marager Component Framework: Marager Component Framework (mcf)Pod Thrower: An application that gives a simple way to create podcast rss feeds from local computer folders.Rapidshare Episode Downloader: Rapidshare Episode Downloader is a software that enables you (yes, you!) to organize your many episodes of different TV shows in a nice list, prese...Resxus - Total .net string resource management tool: RESXUS is a resource file management tool which is being created under my job-experience of managing multilingual resx files. The first goal of th...SLFX: SLFXTheWhiteAmbit: Hybrid Scanline-Raytracing Engine. VisitorPattern based Scenegraph written in C++. DirectX9 or DirectX10 rendering is used for PrimaryRays and CUDA...TSqlMigrations: Yet another migrations platform right? This is purely sql based (tsql as it is only for Sql Server at this time). This tool is meant to help mana...WAFFLE: Windows Authentication Functional Framework (LE): WAFFLE - Windows Authentication Functional Framework (Light Edition) is a .NET library with a COM interface and a Java bridge that provides a worki...web lib api: This project aim, to pull together the major, web api/webservices for each relervant categorie.WSDLGenerator: A tool to generate a WSDL file from a c# dll which contains one more Microsoft WebServices. The project is build using VS2010RC and uses .net Fram...XNA Re-usable UI Components: The aim of this project is to create a re-usable set of UI game components helping reduce production time for your game. More information can be...YUI Compressor Custom Tool for Visual Studio: This EXTREMELY simple custom tool is used to automatically generate a *.min.css file from your existing code on save. It is merely a packaged versi...New ReleasesAcceptance Test Excel Addin: 1.0.0.0: How to Use Extract AcceptanceTestExcelAddIn-1.0.0.0.zip Run setup.exe Extract PasswordSample.zip Open Excel, your will see a new tab, "QA To...An opportunity of upgrading Linux operating system: UFS: The software provided by me is just a basic one that will run in the terminal through gcc compiler. The developers are therefore requested to make ...AspNetPager: Demo project: AspNetPager version 7.3.2 demo web site projectBusiness Framework: Formula Samples: A sample demonstrating textual language - Formula. It can be used is many business scenarios allowing end-user to configure or interact with the sy...Deblector: Deblector 1.1: This build fixes compatibility with .NET Reflector 6.Desktop Dimmer: March 2010: First release, March 2010EasyDump: EasyDump 1.0.1: Easy Dump 1.0.1 fix duplicate output when execute twiceExtensia: Extensia: Extensia is a very large list of extension methods and a few helper types. Many methods have practical utility (e.g. console parsing) whilst some ...Fluent Assertions: Fluent Assertions release 1.0: The first release of the Fluent Assertions. It contains assertions for the most common types and has several extension points.FolderSize: FolderSize.Win32.1.0.6.0: FolderSize.Win32.1.0.6.0 A simple utility intended to be used to scan harddrives for the folders that take most place and display this to the user...GamerShots.com Screenshot Capture: GamerShots.com Screenshot Capture: Windows Form application written in C# ASP.Net. Allows the user to capture a screen by pressing the "Print Scrn" key or by user input. Then uses ...Jet Login Tool (JetLoginTool): Stopped - 1.5.3713.17328: Fixed: Engine will now actually stop when the "Stop" button is hitJolt Environment - RuneScape Emulator: Jolt Environment 1.0.6000 GOLD: Features since 1.0.3200: - Account Creation via client - Character Saving/Loading (via MySQL serialization) - Ground Objects - Ground Items (with m...jQuery Library for SharePoint Web Services: SPServices 0.5.2: NOTE: While I work on new releases, I post alpha versions. Usually the alpha versions are here to address a particular need. I DO NOT recommend us...LINQ to XSD: 1.0.0: The LINQ to XSD technology provides .NET developers with support for typed XML programming. LINQ to XSD contributes to the LINQ project (.NET Langu...Maintenance Service: Alpha Release: Alpha Release of the SoftwareMDownloader: MDownloader-0.15.5.56206: Fixed many gathered bugs;MDownloader: MDownloader-0.15.6.56217: Fixed retrieving hotfile data using registered accounts.MRDS Services for HiTechnic: HiTechnic Controllers: The HiTechnic Controllers package contains services for MRDS that work with the LEGO NXT and TETRIX Servo and Motor Controllers. Initial ReleaseCo...Open NFe: DANFE 1.9.2: Correções do DANFE que serão incluídas na versão 1.9.2PROGRAMMABLE SOFTWARE DEVELOPMENT ENVIRONMENT: PROGRAMMABLE SOFTWARE DEVELOPMENT ENVIRONMENT-2.4: While testing a standard software parts kit library for strict portability, The following error condition occurred when using the Windows version ...Rapidshare Episode Downloader: RED 0.8: This is an almost fully working version of the software. What DOESN'T work: Showing the list of rapidshare search results (but query is being made...Reusable Library: V1.0.4: A collection of reusable abstractions for enterprise application developer.SharePoint LogViewer: SharePointLogViewer 1.5.1: Follwoing bugs are fixed Bookmarks deleted on refresh/reload Bookmarks not properly navigated on filtered list. Disabled toolbar buttons did n...SharePoint Taxonomy Extensions: SharePoint Taxonomy Extensions 1.1-1: - Some bugfixes - Possibility to switch between alphanummeric und manual sortingSilverSynth - Digital Audio Synthesis for Silverlight: SilverSynth 1.1: SilverSynth 1.1 is a zip file of the source code and includes an updated version of the demo application including presets.SQL Server Reporting Services MSBuild Tasks: Release 1.1.14669: New Features New Task added for Integrated and Native mode: DeleteReportUser Task ReportUserExists TaskTellago DevLabs: BizTalk Data Services v0.2: This release is the first version of the BizTalk Data Services API, a RESTful API for BizTalk Server based on the Open Data (OData) Protocol. The ...VCC: Latest build, v2.1.30301.0: Automatic drop of latest buildWAFFLE: Windows Authentication Functional Framework (LE): 1.2: Build 1.2.4217.0, initial open-source release. - Account lookup locally and in Active Directory. - Enumerating Active Directory domains. - Returns...Watermarker: 0.87: 01.03.2010: • FIXED: some stability fixes • ADDED: ability to choose any number of pictures and folder to save them after the operation completesWSDLGenerator: WSDLGenerator 0.0.0.1: Initial versionXNA Re-usable UI Components: Re-usable Game Components V1.0: First public release of the source codeYUI Compressor Custom Tool for Visual Studio: YUI Compressor Custom Tool with Installer v0.1a: Initial release with alpha installer - documentation to follow.Most Popular ProjectsMetaSharpRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)Microsoft SQL Server Community & SamplesASP.NETImage Resizer Powertoy Clone for WindowsMost Active ProjectsRawrBlogEngine.NETMapWindow GISpatterns & practices – Enterprise LibraryjQuery Library for SharePoint Web ServicesSharpMap - Geospatial Application Framework for the CLRRapid Entity Framework (ORM). CTP 2DiffPlex - a .NET Diff GeneratorMDT Web FrontEndWPF Dialogs

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  • "bad record MAC" SSL error between Java and PortgreSQL

    - by Stéphane Bagnier
    Hello there ! We've got here a problem of random disconnections between our Java apps and our PostgreSQL 8.3 server with a "bad record MAC" SSL error. We run Debian / Lenny on both side. On the client side, we see : 2010-03-09 02:36:27,980 WARN org.hibernate.util.JDBCExceptionReporter.logExceptions(JDBCExceptionReporter.java:100) - SQL Error: 0, SQLState: 08006 2010-03-09 02:36:27,980 ERROR org.hibernate.util.JDBCExceptionReporter.logExceptions(JDBCExceptionReporter.java:101) - An I/O error occured while sending to the backend. 2010-03-09 02:36:27,981 ERROR org.hibernate.transaction.JDBCTransaction.toggleAutoCommit(JDBCTransaction.java:232) - Could not toggle autocommit org.postgresql.util.PSQLException: An I/O error occured while sending to the backend. at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:220) at org.postgresql.jdbc2.AbstractJdbc2Connection.executeTransactionCommand(AbstractJdbc2Connection.java:650) at org.postgresql.jdbc2.AbstractJdbc2Connection.commit(AbstractJdbc2Connection.java:670) at org.postgresql.jdbc2.AbstractJdbc2Connection.setAutoCommit(AbstractJdbc2Connection.java:633) at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.jdbc.datasource.SingleConnectionDataSource$CloseSuppressingInvocationHandler.invoke(SingleConnectionDataSource.java:336) at $Proxy17.setAutoCommit(Unknown Source) at org.hibernate.transaction.JDBCTransaction.toggleAutoCommit(JDBCTransaction.java:228) at org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit(JDBCTransaction.java:220) at org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:196) at org.hibernate.ejb.TransactionImpl.rollback(TransactionImpl.java:85) at org.springframework.orm.jpa.JpaTransactionManager.doRollback(JpaTransactionManager.java:482) at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:823) at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:800) at org.springframework.transaction.interceptor.TransactionAspectSupport.completeTransactionAfterThrowing(TransactionAspectSupport.java:339) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:635) ... Caused by: javax.net.ssl.SSLException: Connection has been shutdown: javax.net.ssl.SSLException: bad record MAC at com.sun.net.ssl.internal.ssl.SSLSocketImpl.checkEOF(SSLSocketImpl.java:1255) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.checkWrite(SSLSocketImpl.java:1267) at com.sun.net.ssl.internal.ssl.AppOutputStream.write(AppOutputStream.java:43) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123) at org.postgresql.core.PGStream.flush(PGStream.java:508) at org.postgresql.core.v3.QueryExecutorImpl.sendSync(QueryExecutorImpl.java:692) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:193) ... 22 more Caused by: javax.net.ssl.SSLException: bad record MAC at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:190) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1611) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1569) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:850) at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:746) at com.sun.net.ssl.internal.ssl.AppInputStream.read(AppInputStream.java:75) at org.postgresql.core.VisibleBufferedInputStream.readMore(VisibleBufferedInputStream.java:135) at org.postgresql.core.VisibleBufferedInputStream.ensureBytes(VisibleBufferedInputStream.java:104) at org.postgresql.core.VisibleBufferedInputStream.read(VisibleBufferedInputStream.java:186) at org.postgresql.core.PGStream.Receive(PGStream.java:445) at org.postgresql.core.PGStream.ReceiveTupleV3(PGStream.java:350) at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1322) at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:194) at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:451) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:350) at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:254) at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208) at org.hibernate.loader.Loader.getResultSet(Loader.java:1808) at org.hibernate.loader.Loader.doQuery(Loader.java:697) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259) at org.hibernate.loader.Loader.loadCollection(Loader.java:2015) at org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:59) at org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:587) at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:83) at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1743) at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:366) at org.hibernate.collection.PersistentSet.add(PersistentSet.java:212) ... the cypher suite SSL_RSA_WITH_RC4_128_SHA was used. We tried on the client side : the OpenJDK package the sun JDK package the sun tar package the libbcprov-java package the PostgreSQL driver 8.3 instead of 8.4 On the server side we see : 2010-03-01 08:26:05 CET [18513]: [161833-1] LOG: SSL error: sslv3 alert bad record mac 2010-03-01 08:26:05 CET [18513]: [161834-1] LOG: could not receive data from client: Connection reset by peer 2010-03-01 08:26:05 CET [18513]: [161835-1] LOG: unexpected EOF on client connection the error type seams to be SSL_R_SSLV3_ALERT_BAD_RECORD_MAC. the SSL layer is configured with : ssl_ciphers = 'ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH' and on the server side we changed the cipher suites to : 'ALL:!SSLv2:!MEDIUM:!AES:!ADH:!LOW:!EXP:!MD5:@STRENGTH' but none of these changes fixed the problem. Suggestions appreciated !

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  • CodePlex Daily Summary for Tuesday, December 14, 2010

    CodePlex Daily Summary for Tuesday, December 14, 2010Popular ReleasesFlickrNet API Library: 3.1.4000: Newest release. Now contains dedicated Windows Phone 7 DLL as well as all previous DLLs. Also contains Windows Help file documentation now as standard.mojoPortal: 2.3.5.8: see release notes on mojoportal.com http://www.mojoportal.com/mojoportal-2358-released.aspx Note that we have separate deployment packages for .NET 3.5 and .NET 4.0 The deployment package downloads on this page are pre-compiled and ready for production deployment, they contain no C# source code. To download the source code see the Source Code Tab I recommend getting the latest source code using TortoiseHG, you can get the source code corresponding to this release here.Microsoft All-In-One Code Framework: Visual Studio 2010 Code Samples 2010-12-13: Code samples for Visual Studio 2010SuperWebSocket: SuperWebSocket Drop 2: Changes: based on SuperSocket 1.3 supported sub protocol supported SSL/TLS encryption (wss) in Sync socket mode fixed some data communication bugsSSH.NET Library: 2010.12.13: Fixes SFTP issue when you try to uploaded or download multiple files simultaneously. Usage example can be found hereRequest Tracker Data Access: 1.0.0.0: First releaseSQL Monitor: SQL Monitor 2.4: 1. auto adjust datagrids in query 2. disable activities related commands until activities tab is active.SuperSocket, an extensible socket application framework: SuperSocket 1.3 beta 1: SuperSocket 1.3 is built on .NET 4.0 framework. Bug fixes: fixed a potential bug that the running state hadn't been updated after socket server stopped fixed a synchronization issue when clearing timeout session fixed a bug in ArraySegmentList fixed a bug on getting configuration value Third-part library upgrades: upgraded SuperSocket to .NET 4.0 upgraded EntLib 4.1 to 5.0 New features: supported UDP socket support custom protocol (can support binary protocol and other complecate...Wii Backup Fusion: Wii Backup Fusion 0.9 Beta: - Aqua or brushed metal style for Mac OS X - Shows selection count beside ID - Game list selection mode via settings - Compare Files <-> WBFS game lists - Verify game images/DVD/WBFS - WIT command line for log (via settings) - Cancel possibility for loading games process - Progress infos while loading games - Localization for dates - UTF-8 support - Shortcuts added - View game infos in browser - Transfer infos for log - All transfer routines rewritten - Extract image from image/WBFS - Support....NETTER Code Starter Pack: v1.0.beta: '.NETTER Code Starter Pack ' contains a gallery of Visual Studio 2010 solutions leveraging latest and new technologies and frameworks based on Microsoft .NET Framework. Each Visual Studio solution included here is focused to provide a very simple starting point for cutting edge development technologies and framework, using well known Northwind database (for database driven scenarios). The current release of this project includes starter samples for the following technologies: ASP.NET Dynamic...NuGet (formerly NuPack): NuGet 1.0 Release Candidate: NuGet is a free, open source developer focused package management system for the .NET platform intent on simplifying the process of incorporating third party libraries into a .NET application during development. This release is a Visual Studio 2010 extension and contains the the Package Manager Console and the Add Package Dialog. This new build targets the newer feed (http://go.microsoft.com/fwlink/?LinkID=206669) and package format. See http://nupack.codeplex.com/documentation?title=Nuspe...Free Silverlight & WPF Chart Control - Visifire: Visifire Silverlight, WPF Charts v3.6.5 Released: Hi, Today we are releasing final version of Visifire, v3.6.5 with the following new feature: * New property AutoFitToPlotArea has been introduced in DataSeries. AutoFitToPlotArea will bring bubbles inside the PlotArea in order to avoid clipping of bubbles in bubble chart. You can visit Visifire documentation to know more. http://www.visifire.com/visifirechartsdocumentation.php Also this release includes few bug fixes: * Chart threw exception while adding new Axis in Chart using Vi...PHPExcel: PHPExcel 1.7.5 Production: DonationsDonate via PayPal via PayPal. If you want to, we can also add your name / company on our Donation Acknowledgements page. PEAR channelWe now also have a full PEAR channel! Here's how to use it: New installation: pear channel-discover pear.pearplex.net pear install pearplex/PHPExcel Or if you've already installed PHPExcel before: pear upgrade pearplex/PHPExcel The official page can be found at http://pearplex.net. Want to contribute?Please refer the Contribute page.SwapWin: SwapWin 0.2: Updates: Bring all windows that are swapped to foreground. Make the window sent to primary screen active.??????????: All-In-One Code Framework ??? 2010-12-10: ?????All-In-One Code Framework(??) 2010?12??????!!http://i3.codeplex.com/Project/Download/FileDownload.aspx?ProjectName=1code&DownloadId=128165 ?????release?,???????ASP.NET, WinForm, Silverlight????12?Sample Code。???,??????????sample code。 ?????:http://blog.csdn.net/sjb5201/archive/2010/12/13/6072675.aspx ??,??????MSDN????????????。 http://social.msdn.microsoft.com/Forums/zh-CN/codezhchs/threads ?????????????????,??Email ????UOB & ME: UOB_ME 2.5: latest versionAutoLoL: AutoLoL v1.4.3: AutoLoL now supports importing the build pages from Mobafire.com as well! Just insert the url to the build and voila. (For example: http://www.mobafire.com/league-of-legends/build/unforgivens-guide-how-to-build-a-successful-mordekaiser-24061) Stable release of AutoChat (It is still recommended to use with caution and to read the documentation) It is now possible to associate *.lolm files with AutoLoL to quickly open them The selected spells are now displayed in the masteries tab for qu...SubtitleTools: SubtitleTools 1.2: - Added auto insertion of RLE (RIGHT-TO-LEFT EMBEDDING) Unicode character for the RTL languages. - Fixed delete rows issue.PHP Manager for IIS: PHP Manager 1.1 for IIS 7: This is a final stable release of PHP Manager 1.1 for IIS 7. This is a minor incremental release that contains all the functionality available in 53121 plus additional features listed below: Improved detection logic for existing PHP installations. Now PHP Manager detects the location to php.ini file in accordance to the PHP specifications Configuring date.timezone. PHP Manager can automatically set the date.timezone directive which is required to be set starting from PHP 5.3 Ability to ...Algorithmia: Algorithmia 1.1: Algorithmia v1.1, released on December 8th, 2010.New ProjectsAugmented Reality system in Soccer video: Augmented reality system and camera calibration system in soccer videos based on homography and vanishing points. Code generated with Visual C++ (best compiler is .net)Database Schema Provider: Database Schema Provider gets a database schema in unified format independent on the type of database. It uses ADO.NET data provider for Entity Framework. Dicke Bertha: Many many cool features... DNN Bookmark: DNN Bookmarks is a DNN module that aggregates the most popular social bookmarking tools and also allows you to bookmark your DNN web siteDough: Dough is a UI starter kit built using ASP.Net MVC and ExtJS. It's name comes from the concept of Amish friendship bread, a type of bread or cake made from a sourdough starter that is often shared in a manner similar to a chain letter.Garra - Gerenciador Financeiro: Garra é um sistema completo de controle financeiro: contas a pagar, contas a receber, investimentos, etc...ghcwp7: ghcwp7Hackathon - DotNetNuke Razor User Locator: The DotNetNuke Razor User Locator module demonstrates how Razor can be used to author DNN modules. This module shows where recent users to a web site came from based on their IP address. Hackathon. DotNetNuke Razor. Flickr Badge: Flickr badge desktop module allows you to display image thumbnails from Flickr and preview them inside DotNetNuke or on Flickr (controlled by module settings). Image thumbnails can be loaded by tag, user id, user group id, user set id and more.Hackathon: Razor Youtube Gallery: This is a DotNetNuke module which allows a website admin to add several relevant Youtube videos to a pane. The end user watches the selected Youtube video play, while scrolling through thumbnails of other videos to play those without refreshing the page. jQuery UI MVC3 Demo: Demo and possibly a skeleton for using jQuery UI in MVC3 (currently RC2).Microsoft Office Communicator History manager: Needs to save conversation history just on the local workstation (folder) then application could redstore it and show in simple window (mode) or user could open folder and lock on it manuallyMSTest Extensions - Msbuild: This project contains various msbuild tasks that extend helps with test execution using Mcrosoft testing frameworkRayCharlesTracer: this is a scholar project for a raytracer.Refunctor: F# interactive inside Reflector.Request Tracker Data Access: Best Practical RT (Request Tracker) data access .NET library for REST interface.SurfzApp: An application that does data mining on web resources of interest for Swedish windsurfers...Tesseract Solutions Corp. Data Access Base: Tesseract Data Access speeds up data access in .Net projects. Developed in C# .Net 4. It is a C#, class based ORM.TimBazinga EVoting: Undergrad project - designing an e-voting software system.Tiny Library CQRS: Tiny Library CQRS is a small demonstration project which demonstrates the concept of Domain Driven Design and the CQRS architecture pattern. This project relies on the Apworks DDD framework.Toptoys: toptoysWebGroup: WebGroup makes it easier for your website members to comunicate online. It work like Web IM + Forum + Twitter. It can be easily used in your current project. Developed in C#.WpfCustomChromeLibrary: WpfCustomChromeLibrary makes it easier to create WPF applications with custom chrome and caption buttons (min/max/close). You'll no longer have to do all the dirty work yourself in each application where you want a custom chrome. It's developed in XAML and C#.

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  • Creating a Dynamic DataRow for easier DataRow Syntax

    - by Rick Strahl
    I've been thrown back into an older project that uses DataSets and DataRows as their entity storage model. I have several applications internally that I still maintain that run just fine (and I sometimes wonder if this wasn't easier than all this ORM crap we deal with with 'newer' improved technology today - but I disgress) but use this older code. For the most part DataSets/DataTables/DataRows are abstracted away in a pseudo entity model, but in some situations like queries DataTables and DataRows are still surfaced to the business layer. Here's an example. Here's a business object method that runs dynamic query and the code ends up looping over the result set using the ugly DataRow Array syntax:public int UpdateAllSafeTitles() { int result = this.Execute("select pk, title, safetitle from " + Tablename + " where EntryType=1", "TPks"); if (result < 0) return result; result = 0; foreach (DataRow row in this.DataSet.Tables["TPks"].Rows) { string title = row["title"] as string; string safeTitle = row["safeTitle"] as string; int pk = (int)row["pk"]; string newSafeTitle = this.GetSafeTitle(title); if (newSafeTitle != safeTitle) { this.ExecuteNonQuery("update " + this.Tablename + " set safeTitle=@safeTitle where pk=@pk", this.CreateParameter("@safeTitle",newSafeTitle), this.CreateParameter("@pk",pk) ); result++; } } return result; } The problem with looping over DataRow objecs is two fold: The array syntax is tedious to type and not real clear to look at, and explicit casting is required in order to do anything useful with the values. I've highlighted the place where this matters. Using the DynamicDataRow class I'll show in a minute this code can be changed to look like this:public int UpdateAllSafeTitles() { int result = this.Execute("select pk, title, safetitle from " + Tablename + " where EntryType=1", "TPks"); if (result < 0) return result; result = 0; foreach (DataRow row in this.DataSet.Tables["TPks"].Rows) { dynamic entry = new DynamicDataRow(row); string newSafeTitle = this.GetSafeTitle(entry.title); if (newSafeTitle != entry.safeTitle) { this.ExecuteNonQuery("update " + this.Tablename + " set safeTitle=@safeTitle where pk=@pk", this.CreateParameter("@safeTitle",newSafeTitle), this.CreateParameter("@pk",entry.pk) ); result++; } } return result; } The code looks much a bit more natural and describes what's happening a little nicer as well. Well, using the new dynamic features in .NET it's actually quite easy to implement the DynamicDataRow class. Creating your own custom Dynamic Objects .NET 4.0 introduced the Dynamic Language Runtime (DLR) and opened up a whole bunch of new capabilities for .NET applications. The dynamic type is an easy way to avoid Reflection and directly access members of 'dynamic' or 'late bound' objects at runtime. There's a lot of very subtle but extremely useful stuff that dynamic does (especially for COM Interop scenearios) but in its simplest form it often allows you to do away with manual Reflection at runtime. In addition you can create DynamicObject implementations that can perform  custom interception of member accesses and so allow you to provide more natural access to more complex or awkward data structures like the DataRow that I use as an example here. Bascially you can subclass DynamicObject and then implement a few methods (TryGetMember, TrySetMember, TryInvokeMember) to provide the ability to return dynamic results from just about any data structure using simple property/method access. In the code above, I created a custom DynamicDataRow class which inherits from DynamicObject and implements only TryGetMember and TrySetMember. Here's what simple class looks like:/// <summary> /// This class provides an easy way to turn a DataRow /// into a Dynamic object that supports direct property /// access to the DataRow fields. /// /// The class also automatically fixes up DbNull values /// (null into .NET and DbNUll to DataRow) /// </summary> public class DynamicDataRow : DynamicObject { /// <summary> /// Instance of object passed in /// </summary> DataRow DataRow; /// <summary> /// Pass in a DataRow to work off /// </summary> /// <param name="instance"></param> public DynamicDataRow(DataRow dataRow) { DataRow = dataRow; } /// <summary> /// Returns a value from a DataRow items array. /// If the field doesn't exist null is returned. /// DbNull values are turned into .NET nulls. /// /// </summary> /// <param name="binder"></param> /// <param name="result"></param> /// <returns></returns> public override bool TryGetMember(GetMemberBinder binder, out object result) { result = null; try { result = DataRow[binder.Name]; if (result == DBNull.Value) result = null; return true; } catch { } result = null; return false; } /// <summary> /// Property setter implementation tries to retrieve value from instance /// first then into this object /// </summary> /// <param name="binder"></param> /// <param name="value"></param> /// <returns></returns> public override bool TrySetMember(SetMemberBinder binder, object value) { try { if (value == null) value = DBNull.Value; DataRow[binder.Name] = value; return true; } catch {} return false; } } To demonstrate the basic features here's a short test: [TestMethod] [ExpectedException(typeof(RuntimeBinderException))] public void BasicDataRowTests() { DataTable table = new DataTable("table"); table.Columns.Add( new DataColumn() { ColumnName = "Name", DataType=typeof(string) }); table.Columns.Add( new DataColumn() { ColumnName = "Entered", DataType=typeof(DateTime) }); table.Columns.Add(new DataColumn() { ColumnName = "NullValue", DataType = typeof(string) }); DataRow row = table.NewRow(); DateTime now = DateTime.Now; row["Name"] = "Rick"; row["Entered"] = now; row["NullValue"] = null; // converted in DbNull dynamic drow = new DynamicDataRow(row); string name = drow.Name; DateTime entered = drow.Entered; string nulled = drow.NullValue; Assert.AreEqual(name, "Rick"); Assert.AreEqual(entered,now); Assert.IsNull(nulled); // this should throw a RuntimeBinderException Assert.AreEqual(entered,drow.enteredd); } The DynamicDataRow requires a custom constructor that accepts a single parameter that sets the DataRow. Once that's done you can access property values that match the field names. Note that types are automatically converted - no type casting is needed in the code you write. The class also automatically converts DbNulls to regular nulls and vice versa which is something that makes it much easier to deal with data returned from a database. What's cool here isn't so much the functionality - even if I'd prefer to leave DataRow behind ASAP -  but the fact that we can create a dynamic type that uses a DataRow as it's 'DataSource' to serve member values. It's pretty useful feature if you think about it, especially given how little code it takes to implement. By implementing these two simple methods we get to provide two features I was complaining about at the beginning that are missing from the DataRow: Direct Property Syntax Automatic Type Casting so no explicit casts are required Caveats As cool and easy as this functionality is, it's important to understand that it doesn't come for free. The dynamic features in .NET are - well - dynamic. Which means they are essentially evaluated at runtime (late bound). Rather than static typing where everything is compiled and linked by the compiler/linker, member invokations are looked up at runtime and essentially call into your custom code. There's some overhead in this. Direct invocations - the original code I showed - is going to be faster than the equivalent dynamic code. However, in the above code the difference of running the dynamic code and the original data access code was very minor. The loop running over 1500 result records took on average 13ms with the original code and 14ms with the dynamic code. Not exactly a serious performance bottleneck. One thing to remember is that Microsoft optimized the DLR code significantly so that repeated calls to the same operations are routed very efficiently which actually makes for very fast evaluation. The bottom line for performance with dynamic code is: Make sure you test and profile your code if you think that there might be a performance issue. However, in my experience with dynamic types so far performance is pretty good for repeated operations (ie. in loops). While usually a little slower the perf hit is a lot less typically than equivalent Reflection work. Although the code in the second example looks like standard object syntax, dynamic is not static code. It's evaluated at runtime and so there's no type recognition until runtime. This means no Intellisense at development time, and any invalid references that call into 'properties' (ie. fields in the DataRow) that don't exist still cause runtime errors. So in the case of the data row you still get a runtime error if you mistype a column name:// this should throw a RuntimeBinderException Assert.AreEqual(entered,drow.enteredd); Dynamic - Lots of uses The arrival of Dynamic types in .NET has been met with mixed emotions. Die hard .NET developers decry dynamic types as an abomination to the language. After all what dynamic accomplishes goes against all that a static language is supposed to provide. On the other hand there are clearly scenarios when dynamic can make life much easier (COM Interop being one place). Think of the possibilities. What other data structures would you like to expose to a simple property interface rather than some sort of collection or dictionary? And beyond what I showed here you can also implement 'Method missing' behavior on objects with InvokeMember which essentially allows you to create dynamic methods. It's all very flexible and maybe just as important: It's easy to do. There's a lot of power hidden in this seemingly simple interface. Your move…© Rick Strahl, West Wind Technologies, 2005-2011Posted in CSharp  .NET   Tweet (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s); })();

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  • CodePlex Daily Summary for Friday, March 19, 2010

    CodePlex Daily Summary for Friday, March 19, 2010New Projects[Tool] Vczh Visual Studio UnitTest Coverage Analyzer: Analyzing Visual Studio Unittest Coverage Exported XML filecrudwork is a library of reuseable classes for developing .NET applications: crudwork is a collection of reuseable .NET classes and features. If you searched for StpLibrary and landed here, you're in the right place. Origi...CWU Animated AVL Tree Tutorial: This is a silverlight demo of a self-balancing AVL tree. On the original team were CWU undergraduates Eric Brown, Barend Venter, Nick Rushton, Arry...DotNetNuke® Skin Modern: A DotNetNuke Design Challenge skin package submitted to the "Standards" category by Salar Golestanian of SalarO. The skin utilizes both the telerik...DotNetNuke® Skin Monster: A DotNetNuke Design Challenge skin package submitted to the "Personal" category by Jon Edwards of SlumtownHero.co.za. This package uses totally tab...DotNetNuke® Skin Synapse: A DotNetNuke Design Challenge skin package submitted to the "Modern Business" category by Exionyte Solutions. This package features 2 colors with 4...earthworm: Earthworm is a pet project intended as a repository of data access logic, including some ORM, state management and bridging the gap between connect...ema: EMA is a place for collaborative effort to implement a PowerGrid game engine. For more info on PowerGrid the board game see: http://www.boardgamege...Extended SharePoint Web Parts: Extending capabilities of existing SharePoint 2007 Web Parts by inheriting and alterFreedomCraft: Craft development siteG.B SecondLife Sculpter: This is a Sculptor for "secondlife"InfoPath Error Viewer: InfoPath Error Viewer provides an intuitive list to show all errors in the entire InfoPath form. You'll no longer have to find the validation error...LEET (LEET Enhances Exploratory Testing): LEET is a capture-replay tool based on Microsoft’s User Interface Automation Framework. It is targeted at agile teams, and provides support for us...Linq To Entity: Linq,Linq to Entity,EntityMACFBTest: This is a test for a Facebook application.MetaProperties: MetaProperties helps you to create event driven architectures in .NET. It saves you time and it helps you avoid mistakes. It's compatible with WPF ...ownztec web: projeto da ownztec.comParallel Programming Guide: Content for the latest patterns & practices book on design patterns for parallel programming. Downloadable book outline and draft chapters as well ...Perseus - Sistema de Matrícula On-Line: Sistema de matrícula desenvolvido pelo 5º período de Desenvolvimento Web da FACECLA.Project Tru Tiên: Project EL tru tiên, ZhuxianProSysPlus.Net Framework: How do I get the ease and efficiency of my work in VFP (R.I.P. 2010)? The answer is here: the ProSysPlus.Net Framework. Why is it open source? Wh...Quick Anime Renamer: Originally included with AniPlayer X, Quick Anime Renamer easily renames your anime files into a "cleaner" format so you wont get retinal detachment.Simple XNA Button: This is a project of a helper for instancing Simple Buttons in XNA with a ButtonPanel. Its got various features like. Load a Panel from a Plain Tex...SteelVersion - Monitor your .NET Application versioning: SteelVersion helps you to find and store versioning information about .NET assemblies ("Explorer" mode). It also makes it easier to continuously ch...Stellar Results: Astronomical Tracking System for IUPUI CSCI506 - Fall 2007, Team2TheHunterGetsTheDeer: first AIwandal: wandalWeb App Data Architect's CodeCAN: Contains different types of code samples to explore different types of technical solutions/patterns from an architect's point of view.Yet Another GPS: Yet another GPS tracker is a very powerful GPS track application for Windows MobileNew ReleasesASP.Net Client Dependency Framework: v1.0 RC1: ASP.Net Client Dependency has progressed to release candidate 1. With the community feedback and bug reports we've been able to make some great upd...C# FTP Library: FTPLib v1.0.1.1: This release has a couple of small bug fixes as well as the new abilities to specify a port to connect to and to create a new directory with the Cr...crudwork is a library of reuseable classes for developing .NET applications: crudwork 2.2.0.1: crudwork 2.2.0.1 (initial version)DotNetNuke® Skin Modern: Modern Package 1.0.0: A DotNetNuke Design Challenge skin package submitted to the "Standards" category by Salar Golestanian of SalarO. The skin utilizes both the telerik...DotNetNuke® Skinning Extensions: Nav Menu Demo Skins: This very basic skin demonstrates: 1. How to force NAV menu to generate an unordered list menu 2. The creation of a sub menu, both horizontal and ...DotNetNuke® XML: 04.03.05: XML/XSL Module 04.03.05 Release Candidate This is a maintainace release. Full Quallified Namespace avoids conflicts with Namespaces used by Teler...eCommerce by Onex Community Edition: Installer of eCommerce by Onex Community 1.0: Installer of eCommerce by Onex Community 1.0 Last changes: Added integration with Paypal Corrected of adding photos and attachments to products ...eCommerce by Onex Community Edition: Source code of eCommerce by Onex Community 1.0: Changes in version 1.0: Added integration with Paypal Corrected of adding photos and attachments to products Fixed problem with cancellation of...Employee Info Starter Kit: v2.2.0 (Visual Studio 2005-2008): This is a starter kit, which includes very simple user requirements, where we can create, read, update and delete (CRUD) the employee info of a com...Employee Info Starter Kit: v4.0.0.alpha (Visual Studio 2010): Employee Info Starter Kit is a ASP.NET based web application, which includes very simple user requirements, where we can create, read, update and d...Encrypted Notes: Encrypted Notes 1.4: This is the latest version of Encrypted Notes (1.4). It has an installer - it will create a directory 'CPascoe' in My Documents. Once you have ext...Extended SharePoint Web Parts: ContentQueryAdvanced: This .wsp file contains a single web part ContentQueryAdvanced. This web part inherits from ContentQuery web part and adds a ToolPart field for a ...Extended SharePoint Web Parts: Source Code: Zip file includes all the source code used to extend Content Query Web Part, adding a Tool Part field to insert a CAML query/filter/sortFacebook Developer Toolkit: Version 3.02: Updated copyright. No new functionality. Version 3.1 in the works.fleXdoc: template-based server-side document generator (docx): fleXdoc 1.0 (final): fleXdoc consists of a webservice and a (test)client for the service. Make sure you also download the testclient: you can use it to test the install...InfoPath Error Viewer: InfoPath Error Viewer 1.0: This is an intial version of this tool. You can: 1. View all errors in a list. 2. Locate to a binding control of an error field. 3. See the detai...LEET (LEET Enhances Exploratory Testing): LEET Alpha: The first public release of LEET includes the ability to record tests from running GUIs, assist in writing tests manually from a running GUI, edit ...Linq To Entity: Linq to Entity: The Entity Framework enables developers to work with data in the form of domain-specific objects and properties, such as customers and customer add...MDownloader: MDownloader-0.15.8.56699: Fixed peformance and memory usage. Fixed Letitbit provider. Added detecting IMDB, NFO, TV.com... links in RSS Monitor. Supported password len...MetaProperties: MetaProperties 1.0.0.0: This is a multi-targeted release of MetaProperties for the desktop and Silverlight versions of the .NET framework. The desktop version is fully ...Nito.KitchenSink: Version 2: Added a cancelable Stream.CopyTo. Depends on Nito.Linq 0.2. Please report any issues via the Issue Tracker.Project Server 2007 Timesheet AutoStatus Plus: AutoStatusPlus 1.0.1.0: AutoStatusPlus 1.0.1.0 Supported Systems x86 and x64 Project Server 2007 deployments with or without MOSS 2007 Recommended Patchlevels WSS 3.0: ...Project Tru Tiên: Elements-test V1: Mô tả Bản elements.data - có full ID của bản Elemens.data Tru tiên 2 VIệt Nam (V37) - có full ID của bản Elements.data server offline tru tiên (hiệ...Quick Anime Renamer: Quick Anime Renamer v0.1: AniPlayer X v1.4.5 - started 3/18/2010Initial Release!QuickieB2B: Quickie v1.0b: QuickieB2B - made for DEV4FUN competition organized by Microsoft CroatiaSilverlight 3.0 Advanced ToolTipService: Advanced ToolTipService v2.0.2: This release is compiled against the Silverlight 3.0 runtime. A demonstration on how to set the ToolTip content to a property of the DataContext o...Simple XNA Button: XNA Button 1.0: The Main Project. this uses XNA 3.0 but it can be build with lower versions of XNA Framework. This was made using Visual Studio 2008.StoryQ: StoryQ 2.0.3 Library and Converter UI: New features in this release: Tagging and a tag-capable rich html report. The code generator is capable of generating entire classes This relea...The Silverlight Hyper Video Player [http://slhvp.com]: Version 1.0: Version 1.0VCC: Latest build, v2.1.30318.0: Automatic drop of latest buildWord Index extracts words or sentences from Word document according to patterns: Word Index 1.0.1.0 (For Word 2007 and Word 2003): Word Index for Word 2007 & 2003 : WordIndex.msi (Win-Installer Setup for Word Index) Source code : wordindex.codeplex.comV1.0.1.0.zip : (Source co...Yet Another GPS: YAGPS-Alfa.1: Yet another GPS tracker is a very powerful GPS track application for Windows MobileMost Popular ProjectsMetaSharpRawrWBFS ManagerSilverlight ToolkitASP.NET Ajax LibraryMicrosoft SQL Server Product Samples: DatabaseAJAX Control ToolkitLiveUpload to FacebookWindows Presentation Foundation (WPF)ASP.NETMost Active ProjectsLINQ to TwitterRawrOData SDK for PHPjQuery Library for SharePoint Web ServicesDirectQOpen Data App Framework (ODAF)patterns & practices – Enterprise LibraryBlogEngine.NETPHPExcelNB_Store - Free DotNetNuke Ecommerce Catalog Module

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  • CodePlex Daily Summary for Monday, June 10, 2013

    CodePlex Daily Summary for Monday, June 10, 2013Popular ReleasesNexusCamera: NexusCamera: Nexus Camera is a control for Windows Phone 7 & 8, which can be used as a menu on the Camera. The idea in making this control when we use a camera nexus. Thanks for Nexus. Need Windows Phone Toolkit https://phone.codeplex.com/ View Sample Camera http://tctechcrunch2011.files.wordpress.com/2012/11/nexus4-camera.jpgVR Player: VR Player 0.3 ALPHA: New plugin system with individual folders TrackIR support Maya and 3ds max formats support Dual screen support Mono layouts (left and right) Cylinder height parameter Barel effect factor parameter Razer hydra filter parameter VRPN bug fixes UI improvements Performances improvements Stabilization and logging with Log4Net New default values base on users feedback CTRL key to open menuZXMAK2: Version 2.7.5.4: - add hayes modem device (thanks to Eltaron) - add host joystick selection - fix joystick bits (swapped in previous version)SimCityPak: SimCityPak 0.1.0.8: SimCityPak 0.1.0.8 New features: Import BMP color palettes for vehicles Import RASTER file (uncompressed 8.8.8.8 DDS files) View different channels of RASTER files or preview of all layers combined Find text in javascripts TGA viewer Ground textures added to lot editor Many additional identified instances and propertiesWsus Package Publisher: Release v1.2.1306.09: Add more verifications on certificate validation. WPP will not let user to try publishing an update until the certificate is valid. Add certificate expiration date on the 'About' form. Filter Approbation to avoid a user to try to approve an update for uninstallation when the update do not support uninstallation. Add the server and console version on the 'About' form. WPP will not let user to publish an update until the server and console are not at the same level. WPP do not let user ...AJAX Control Toolkit: June 2013 Release: AJAX Control Toolkit Release Notes - June 2013 Release Version 7.0607June 2013 release of the AJAX Control Toolkit. AJAX Control Toolkit .NET 4.5 – AJAX Control Toolkit for .NET 4.5 and sample site (Recommended). AJAX Control Toolkit .NET 4 – AJAX Control Toolkit for .NET 4 and sample site (Recommended). AJAX Control Toolkit .NET 3.5 – AJAX Control Toolkit for .NET 3.5 and sample site (Recommended). Notes: - Instructions for using the AJAX Control Toolkit with ASP.NET 4.5 can be found at...Rawr: Rawr 5.2.1: This is the Downloadable WPF version of Rawr!For web-based version see http://elitistjerks.com/rawr.php You can find the version notes at: http://rawr.codeplex.com/wikipage?title=VersionNotes Rawr Addon (NOT UPDATED YET FOR MOP)We now have a Rawr Official Addon for in-game exporting and importing of character data hosted on Curse. The Addon does not perform calculations like Rawr, it simply shows your exported Rawr data in wow tooltips and lets you export your character to Rawr (including ba...VG-Ripper & PG-Ripper: PG-Ripper 1.4.13: changes NEW: Added Support for "ImageJumbo.com" links FIXED: Ripping of Threads with multiple pagesXomega Framework: Xomega.Framework 1.4: Adding support for Visual Studio 2012 and .Net framework 4.5. Minor bug fixes and enhancements.sb0t v.5: sb0t 5.14: Stability fix in script engine. Avatar.exists property fixed in scripting. cb0t custom font protocol re-added and updated to support new Ares.ASP.NET MVC Forum: MVCForum v1.3.5: This is a bug release version, with a couple of small usability features and UI changes. All the small amount of bugs reported in v1.3 have been fixed, no upgrade needed just overwrite the files and everything should just work.Json.NET: Json.NET 5.0 Release 6: New feature - Added serialized/deserialized JSON to verbose tracing New feature - Added support for using type name handling with ISerializable content Fix - Fixed not using default serializer settings with primitive values and JToken.ToObject Fix - Fixed error writing BigIntegers with JsonWriter.WriteToken Fix - Fixed serializing and deserializing flag enums with EnumMember attribute Fix - Fixed error deserializing interfaces with a valid type converter Fix - Fixed error deser...Christoc's DotNetNuke Module Development Template: DotNetNuke 7 Project Templates V2.3 for VS2012: V2.3 - Release Date 6/5/2013 Items addressed in this 2.3 release Fixed bad namespace for BusinessController in one of the C# templates. Updated documentation in all templates. Setting up your DotNetNuke Module Development Environment Installing Christoc's DotNetNuke Module Development Templates Customizing the latest DotNetNuke Module Development Project TemplatesPulse: Pulse 0.6.7.0: A number of small bug fixes to stabilize the previous Beta. Sorry about the never ending "New Version" bug!QlikView Extension - Animated Scatter Chart: Animated Scatter Chart - v1.0: Version 1.0 including Source Code qar File Example QlikView application Tested With: Browser Firefox 20 (x64) Google Chrome 27 (x64) Internet Explorer 9 QlikView QlikView Desktop 11 - SR2 (x64) QlikView Desktop 11.2 - SR1 (x64) QlikView Ajax Client 11.2 - SR2 (based on x64)BarbaTunnel: BarbaTunnel 7.2: Warning: HTTP Tunnel is not compatible with version 6.x and prior, HTTP packet format has been changed. Check Version History for more information about this release.SuperWebSocket, a .NET WebSocket Server: SuperWebSocket 0.8: This release includes these changes below: Upgrade SuperSocket to 1.5.3 which is much more stable Added handshake request validating api (WebSocketServer.ValidateHandshake(TWebSocketSession session, string origin)) Fixed a bug that the m_Filters in the SubCommandBase can be null if the command's method LoadSubCommandFilters(IEnumerable<SubCommandFilterAttribute> globalFilters) is not invoked Fixed the compatibility issue on Origin getting in the different version protocols Marked ISub...BlackJumboDog: Ver5.9.0: 2013.06.04 Ver5.9.0 (1) ?????????????????????????????????($Remote.ini Tmp.ini) (2) ThreadBaseTest?? (3) ????POP3??????SMTP???????????????? (4) Web???????、?????????URL??????????????? (5) Ftp???????、LIST?????????????? (6) ?????????????????????Media Companion: Media Companion MC3.569b: New* Movies - Autoscrape/Batch Rescrape extra fanart and or extra thumbs. * Movies - Alternative editor can add manually actors. * TV - Batch Rescraper, AutoScrape extrafanart, if option enabled. Fixed* Movies - Slow performance switching to movie tab by adding option 'Disable "Not Matching Rename Pattern"' to Movie Preferences - General. * Movies - Fixed only actors with images were scraped and added to nfo * Movies - Fixed filter reset if selected tab was above Home Movies. * Updated Medi...Nearforums - ASP.NET MVC forum engine: Nearforums v9.0: Version 9.0 of Nearforums with great new features for users and developers: SQL Azure support Admin UI for Forum Categories Avoid html validation for certain roles Improve profile picture moderation and support Warn, suspend, and ban users Web administration of site settings Extensions support Visit the Roadmap for more details. Webdeploy package sha1 checksum: 9.0.0.0: e687ee0438cd2b1df1d3e95ecb9d66e7c538293b New ProjectsASP.NET MVC 4 and RequireJS: ASP.NET MVC 4 application with Areas and RequireJSBaseX - Base converter and calculator: Dealing with numbers of any base in .NET.C# Exercises: C# ExercisesClassfinder: ClassfinderCreative OS ALPHA: This is a OS!!!!CSS Exercises: CSS ExercisesCustom Workflow Action: Project showing how to create and use Custom Workflow Action for SharePoint Designer 2013.Devshed Tools: Provides easy to use and compile-time-support solution for various type of projects on the .NET framework. Currently Devshed.Web is in development.Envar Editor: Edit environment variables easily on windowsExcel To Sql: A simplified tool for importing Excel data into SQL.HTML Exercises: HTML ExercisesKnockout.js with ASP.NET MVC: This project implements a system which maps .NET ViewModels to javascript ViewModels for use with knockout.js, using Razor markup syntax.LogoBids: LOGO??????,ORM??OpenAccess ORMManagistics: Management Logistics Application (including: Warehouse, Sale, Purchase, ...)Matrix Switch Preset Utility: A small utility for managing the inputs and outputs from a matrix switch via RS-232. Developed in WPF (VB9) and running on the .Net3.5SP1 framework.MvcSystemsCommander: An ASP.NET C# MVC4 webapp to help systems administrators consolidate common systems administration tasksNewspaperAgent: My small projectOutlook Recovery Software - Efficiently Repair Damaged PST File: This project tells you the easiest way to recover PST file of Outlook. Complete information has been given here to help users.Pattern: Testprocedure: a new procedural programming framework based on .net, by using lambda expression, it can handle async io friendly and provide a full lock-free solutionSharePoint 2013 custom field samples: SharePoint 2013 custom field samples is a research project aims to provide samples for developing custom fields in SharePoint 2013.SharePoint 2013 List Forms: This small framework allows you to manage custom list forms using rendering templates and controls stored in a SharePoint library.The Coconut Cranium Decision Engine: The Coconut Cranium Decision Engine is a boolean decision engine using the most mind-bendingly worse way of working.TxtToSeq: Command line utility to convert Commodore SEQ files to TXT files and vice-versa.ultgw: ult gw

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  • CodePlex Daily Summary for Friday, April 09, 2010

    CodePlex Daily Summary for Friday, April 09, 2010New Projects(SocketCoder) Free Silverlight Voice/Video Conferencing Modules: The Goal of this project is to provide complete Open Source Voice/Video Chatting Client/Server Modules Using Silverlight techniques, this project i...AJAX Control Framework: Do PageMethods and the UpdatePanel make you feel dirty? Think making AJAX enabled custom ASP.NET controls should WAY easier than it is? Wish ASP.NE...Bluetooth Radar: WPF 4.0 Application working with The final release of 32feet.net (v2.2) to Discover Bluetooth devices, send files and more cool stuff for Bluetooth...Bomberman: Bomberman c++ Project Code Library: This is just a personal storage place for a utility library containing extension methods, new classes, and/or improvements to existing classes.DianPing.com MogileFS Client: MogileFS Client for .Net 2.0Dirty City Hearts Website: Dirty City Hearts WebsiteDocGen - SharePoint 2010 Bulk Document Loader: DocGen is a SharePoint 2010 multithreaded console application for bulk loading sample documents into SharePoint. This program generates Microsoft ...dou24: WebSite for DOUExplora: Explora es un navegador de archivos que no pretende ser un sustituto del explorador de Windows, sino un experimento de codificación que compartir c...HobbyBrew Mobile: This project is basic beer brewing software for Windows Mobile able to read HobbyBrew xml files. Developed in C# and Windows FormsjLight: Interop between Silverlight and the javascript based on jQuery. The syntax used in Silverlight is as close as posible to the jQuery syntax.johandekoning.nl samples: Sample code project which are discussed on johandekoning.nl / johandekoning.com. Most examples are / will be developed with C#Kanban: this is a agile paroject managementMETAR.NET Decoder: Project libraries used to decode airport METAR weather information into adequate data types, change them and back, create resulting METAR informati...Micro Framework: MFDeploy with Set/Get mote SKU ID: This is a modification to the Micro Framework's MFDeploy utility that lets the user set and get the mote's ID (aka SKU). It can be done via the GUI...MobySharp: MobySharp is a implementation of the Mobypicture.com API written in C#NGilead: NGilead permits you to use your NHibernate POCO (and especially the partially loaded ones) outside the .NET Virtual Machine (to Silverlight for exa...OpenIdPortableArea: OpenIdPortableArea is an MvcContrib powered Portable Area that encapsulates logic for implementing OpenId encapsulation (using DotNetOpenAuth).OrderToList Extension for IEnumerable: An extension method for IEnumerable<T> that will sort the IEnumerable based on a list of keys. Suppose you have a list of IDs {10, 5, 12} and wa...project3140.org: Code repository for project3140.org.Prometheus Backup Solution: The Prometheus Backup Solution is a free and small Backup Utility for personal use and for small businesses.Roids: an asteroids clone for Silverlight and XNA: An example of a simple game cross-compiling for both Silverlight and XNA using SilverSprite.SemanticAnalyzer: 3rd phase of Compiler Design ProjectSSRS SDK for PHP: SQL Server Reporting Service SDK for PHPWorking Memory Workout: Working Memory Workout is a working memory training game based on the N-back, a task researchers say may improve fluid intelligence. It greatly ex...Wouters Code Samples: This Project will host some of my sample projects I created. I'm a professional SharePoint/BizTalk developer so most of the provided samples will ...New Releases(SocketCoder) Free Silverlight Voice/Video Conferencing Modules: Silverlight Voice Video Chat Modules: Client/Server Silverlight Voice Video Chat ModulesAccessibilityChecker: Accessibility Checker V0.2: Accessibility Checker V0.2 - Direct url´s input functionality added - XHTML, WAI validation modules, easy to extend. (W3C and Achecker modules incl...AStar.net: AStar.net 1.1 downloads: AStar.net 1.1 Version detailsGreatly improved path finding speed and memory usage from version 1.0. Avalaible downloads:AStar.net 1.1 dll - Runtim...AutoPoco: AutoPoco 0.2: This release will bring some non-generic alternatives to configuration + some more automatic configuration options such as assembly scanningBluetooth Radar: Version 1: Basic version only with the ability to discover Bluetooth devices around you.Convert-Media PowerShell Module for Expression Encoder: Release 1.0.0.2: This is a build that incorporates the latest change sets including perform publish. No other changesDevTreks -social budgeting that improves lives and livelihoods: Social Budgeting Web Software, DevTreks alpha 3e: Alpha 3e is a general debug. It also upgrades the software's family budgeting capabilities, including the addition of a new 'Food Nutrition Input'...dV2t Enterprise Library: dV2tEntLib 1.0.0.3: dV2tEntLib 1.0.0.3EnhSim: Release v1.9.8.3: Release v1.9.8.3 Change Armour Penetration calcs to apply the "Rouncer fix" (current version displays debug info to assist users in testing that th...HouseFly controls: HouseFly controls alpha 0.9: HouseFly controls 0.9 alpha binaries (Includes HouseFly.Classes and HouseFly.Controls).Jitbit WYSWYG BBCode Editor: Release: ReleaseMicro Framework: MFDeploy with Set/Get mote SKU ID: MFDeploy with get, set mote ID: The Micro Framework 4.0 MFDeploy, modified to let the user get & set the mote IDMobySharp: MobySharp 1.0: Initial ReleaseOpenIdPortableArea: OpenIdPortableArea: OpenIdPortableArea.Release: DotNetOpenAuth.dll DotNetOpenAuth.xml MvcContrib.dll MvcContrib.xml OpenIdPortableArea.dll OpenIdPortableAre...OrderToList Extension for IEnumerable: Release 0.9b: I'm calling this 0.9 because I came up with it yesterday and there's little real word use so there's probably something that needs fixing or improv...Prometheus Backup Solution: Prometheus BETA: Actual BETA Release. Restore Functions are not available...Reusable Library: V1.0.6: A collection of reusable abstractions for enterprise application developer.Reusable Library Demo: V1.0.4: A demonstration of reusable abstractions for enterprise application developerSharePoint Labs: SPLab4005A-FRA-Level100: SPLab4005A-FRA-Level100 This SharePoint Lab will teach you the 5th best practice you should apply when writing code with the SharePoint API. Lab La...SharePoint Labs: SPLab6001A-FRA-Level200: SPLab6001A-FRA-Level200 This SharePoint Lab will teach you how to create a generic Feature Receiver within Visual Studio. Creating a Feature Receiv...SharePoint LogViewer: SharePoint LogViewer 2.0: Supports live Farm monitoring. Many bug fixes.Simple Savant: Simple Savant v0.5: Added support for custom constraint/validation logic (See Versioning and Consistency) Added support for reliable cross-domain writes (See Version...SQL Server Extended Properties Quick Editor: Release 1.6.1: Whats new in 1.6.1: Add an edit form to support long text editing. double click to open editor. Add an ORM extended properties initializer to creat...SSRS SDK for PHP: SSRS SDK for PHP: Current release includes the SSRSReport library to connect to SQL Server Reporting Services and a sample application to show the basic steps needed...Table Storage Backup & Restore for Windows Azure: Table Storage Backup 1.0.3751: Bug fix: Crash when creating a table if the existing table had not finished deleting. Bug fix: Incorrect batch URI if the storage account ended in ...VCC: Latest build, v2.1.30408.0: Automatic drop of latest buildVisual Studio DSite: Audio Player (Visual C++ 2008): An audio player that can play wav files.Working Memory Workout: Working Memory Workout 1.0: Working Memory Workout is a working memory trainer based on the N-back memory task.Wouters Code Samples: XMLReceiveCBR: This is a Custom Pipeline component. It will help you create a Content Based Routing solution in combination of a WCF Requst/Response service. Gene...Xen: Graphics API for XNA: Xen 1.8: Version 1.8 (XNA 3.1) This update fixes a number of bugs in several areas of the API and introduces a large new Tutorial. [Added] L2 Spherical Ha...Most Popular ProjectsWBFS ManagerRawrMicrosoft SQL Server Product Samples: DatabaseASP.NET Ajax LibrarySilverlight ToolkitAJAX Control ToolkitWindows Presentation Foundation (WPF)ASP.NETMicrosoft SQL Server Community & SamplesFacebook Developer ToolkitMost Active ProjectsnopCommerce. Open Source online shop e-commerce solution.Shweet: SharePoint 2010 Team Messaging built with PexRawrAutoPocopatterns & practices – Enterprise LibraryIonics Isapi Rewrite FilterNB_Store - Free DotNetNuke Ecommerce Catalog ModuleFacebook Developer ToolkitFarseer Physics EngineNcqrs Framework - The CQRS framework for .NET

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  • JPA thinks I'm deleting a detached object

    - by Steve
    So, I've got a DAO that I used to load and save my domain objects using JPA. I finally managed to get the transaction stuff working (with a bunch of help from the folks here...), now I've got another issue. In my test case, I call my DAO to load a domain object with a given id, check that it got loaded and then call the same DAO to delete the object I just loaded. When I do that I get the following: java.lang.IllegalArgumentException: Removing a detached instance mil.navy.ndms.conops.common.model.impl.jpa.Group#10 at org.hibernate.ejb.event.EJB3DeleteEventListener.performDetachedEntityDeletionCheck(EJB3DeleteEventListener.java:45) at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:108) at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:74) at org.hibernate.impl.SessionImpl.fireDelete(SessionImpl.java:794) at org.hibernate.impl.SessionImpl.delete(SessionImpl.java:772) at org.hibernate.ejb.AbstractEntityManagerImpl.remove(AbstractEntityManagerImpl.java:253) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:600) at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:180) at $Proxy27.remove(Unknown Source) at mil.navy.ndms.conops.common.dao.impl.jpa.GroupDao.delete(GroupDao.java:499) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:600) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy28.delete(Unknown Source) at mil.navy.ndms.conops.common.dao.impl.jpa.GroupDaoTest.testGroupDaoSave(GroupDaoTest.java:89) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:600) at junit.framework.TestCase.runTest(TestCase.java:164) at junit.framework.TestCase.runBare(TestCase.java:130) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:120) at junit.framework.TestSuite.runTest(TestSuite.java:230) at junit.framework.TestSuite.run(TestSuite.java:225) at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) Now given that I'm using the same DAO instance, and I've not changed EntityManagers (unless Spring does so without letting me know), how can this be a detached object? My DAO code looks like this: public class GenericJPADao implements IWebDao, IDao, IDaoUtil { private static Logger logger = Logger.getLogger (GenericJPADao.class); protected Class voClass; @PersistenceContext(unitName = "CONOPS_PU") protected EntityManagerFactory emf; @PersistenceContext(unitName = "CONOPS_PU") protected EntityManager em; public GenericJPADao() { super ( ); ParameterizedType genericSuperclass = (ParameterizedType) getClass ( ).getGenericSuperclass ( ); this.voClass = (Class) genericSuperclass.getActualTypeArguments ( )[1]; } ... public void delete (INTFC modelObj, EntityManager em) { em.remove (modelObj); } @SuppressWarnings("unchecked") public INTFC findById (Long id) { return ((INTFC) em.find (voClass, id)); } } The test case code looks like: IGroup loadedGroup = dao.findById (group.getId ( )); assertNotNull (loadedGroup); assertEquals (group.getId ( ), loadedGroup.getId ( )); dao.delete (loadedGroup); // - This generates the above exception loadedGroup = dao.findById (group.getId ( )); assertNull(loadedGroup); Can anyone tell me what I'm doing wrong here? Thanks

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  • Looking into Entity Framework Code First Migrations

    - by nikolaosk
    In this post I will introduce you to Code First Migrations, an Entity Framework feature introduced in version 4.3 back in February of 2012.I have extensively covered Entity Framework in this blog. Please find my other Entity Framework posts here .   Before the addition of Code First Migrations (4.1,4.2 versions), Code First database initialisation meant that Code First would create the database if it does not exist (the default behaviour - CreateDatabaseIfNotExists). The other pattern we could use is DropCreateDatabaseIfModelChanges which means that Entity Framework, will drop the database if it realises that model has changes since the last time it created the database.The final pattern is DropCreateDatabaseAlways which means that Code First will recreate the database every time one runs the application.That is of course fine for the development database but totally unacceptable and catastrophic when you have a production database. We cannot lose our data because of the work that Code First works.Migrations solve this problem.With migrations we can modify the database without completely dropping it.We can modify the database schema to reflect the changes to the model without losing data.In version EF 5.0 migrations are fully included and supported. I will demonstrate migrations with a hands-on example.Let me say a few words first about Entity Framework first. The .Net framework provides support for Object Relational Mappingthrough EF. So EF is a an ORM tool and it is now the main data access technology that microsoft works on. I use it quite extensively in my projects. Through EF we have many things out of the box provided for us. We have the automatic generation of SQL code.It maps relational data to strongly types objects.All the changes made to the objects in the memory are persisted in a transactional way back to the data store. You can find in this post an example on how to use the Entity Framework to retrieve data from an SQL Server Database using the "Database/Schema First" approach.In this approach we make all the changes at the database level and then we update the model with those changes. In this post you can see an example on how to use the "Model First" approach when working with ASP.Net and the Entity Framework.This model was firstly introduced in EF version 4.0 and we could start with a blank model and then create a database from that model.When we made changes to the model , we could recreate the database from the new model. The Code First approach is the more code-centric than the other two. Basically we write POCO classes and then we persist to a database using something called DBContext.Code First relies on DbContext. We create 2,3 classes (e.g Person,Product) with properties and then these classes interact with the DbContext class we can create a new database based upon our POCOS classes and have tables generated from those classes.We do not have an .edmx file in this approach.By using this approach we can write much easier unit tests.DbContext is a new context class and is smaller,lightweight wrapper for the main context class which is ObjectContext (Schema First and Model First).Let's move on to our hands-on example.I have installed VS 2012 Ultimate edition in my Windows 8 machine. 1)  Create an empty asp.net web application. Give your application a suitable name. Choose C# as the development language2) Add a new web form item in your application. Leave the default name.3) Create a new folder. Name it CodeFirst .4) Add a new item in your application, a class file. Name it Footballer.cs. This is going to be a simple POCO class.Place this class file in the CodeFirst folder.The code follows    public class Footballer     {         public int FootballerID { get; set; }         public string FirstName { get; set; }         public string LastName { get; set; }         public double Weight { get; set; }         public double Height { get; set; }              }5) We will have to add EF 5.0 to our project. Right-click on the project in the Solution Explorer and select Manage NuGet Packages... for it.In the window that will pop up search for Entity Framework and install it.Have a look at the picture below   If you want to find out if indeed EF version is 5.0 version is installed have a look at the References. Have a look at the picture below to see what you will see if you have installed everything correctly.Have a look at the picture below 6) Then we need to create a context class that inherits from DbContext.Add a new class to the CodeFirst folder.Name it FootballerDBContext.Now that we have the entity classes created, we must let the model know.I will have to use the DbSet<T> property.The code for this class follows     public class FootballerDBContext:DbContext     {         public DbSet<Footballer> Footballers { get; set; }             }    Do not forget to add  (using System.Data.Entity;) in the beginning of the class file 7) We must take care of the connection string. It is very easy to create one in the web.config.It does not matter that we do not have a database yet.When we run the DbContext and query against it , it will use a connection string in the web.config and will create the database based on the classes.I will use the name "FootballTraining" for the database.In my case the connection string inside the web.config, looks like this    <connectionStrings>    <add name="CodeFirstDBContext" connectionString="server=.;integrated security=true; database=FootballTraining" providerName="System.Data.SqlClient"/>                       </connectionStrings>8) Now it is time to create Linq to Entities queries to retrieve data from the database . Add a new class to your application in the CodeFirst folder.Name the file DALfootballer.csWe will create a simple public method to retrieve the footballers. The code for the class followspublic class DALfootballer     {         FootballerDBContext ctx = new FootballerDBContext();         public List<Footballer> GetFootballers()         {             var query = from player in ctx.Footballers select player;             return query.ToList();         }     } 9) Place a GridView control on the Default.aspx page and leave the default name.Add an ObjectDataSource control on the Default.aspx page and leave the default name. Set the DatasourceID property of the GridView control to the ID of the ObjectDataSource control.(DataSourceID="ObjectDataSource1" ). Let's configure the ObjectDataSource control. Click on the smart tag item of the ObjectDataSource control and select Configure Data Source. In the Wizzard that pops up select the DALFootballer class and then in the next step choose the GetFootballers() method.Click Finish to complete the steps of the wizzard.Build and Run your application.  10) Obviously you will not see any records coming back from your database, because we have not inserted anything. The database is created, though.Have a look at the picture below.  11) Now let's change the POCO class. Let's add a new property to the Footballer.cs class.        public int Age { get; set; } Build and run your application again. You will receive an error. Have a look at the picture below 12) That was to be expected.EF Code First Migrations is not activated by default. We have to activate them manually and configure them according to your needs. We will open the Package Manager Console from the Tools menu within Visual Studio 2012.Then we will activate the EF Code First Migration Features by writing the command “Enable-Migrations”.  Have a look at the picture below. This adds a new folder Migrations in our project. A new auto-generated class Configuration.cs is created.Another class is also created [CURRENTDATE]_InitialCreate.cs and added to our project.The Configuration.cs  is shown in the picture below. The [CURRENTDATE]_InitialCreate.cs is shown in the picture below  13) ??w we are ready to migrate the changes in the database. We need to run the Add-Migration Age command in Package Manager ConsoleAdd-Migration will scaffold the next migration based on changes you have made to your model since the last migration was created.In the Migrations folder, the file 201211201231066_Age.cs is created.Have a look at the picture below to see the newly generated file and its contents. Now we can run the Update-Database command in Package Manager Console .See the picture above.Code First Migrations will compare the migrations in our Migrations folder with the ones that have been applied to the database. It will see that the Age migration needs to be applied, and run it.The EFMigrations.CodeFirst.FootballeDBContext database is now updated to include the Age column in the Footballers table.Build and run your application.Everything will work fine now.Have a look at the picture below to see the migrations applied to our table. 14) We may want it to automatically upgrade the database (by applying any pending migrations) when the application launches.Let's add another property to our Poco class.          public string TShirtNo { get; set; }We want this change to migrate automatically to the database.We go to the Configuration.cs we enable automatic migrations.     public Configuration()        {            AutomaticMigrationsEnabled = true;        } In the Page_Load event handling routine we have to register the MigrateDatabaseToLatestVersion database initializer. A database initializer simply contains some logic that is used to make sure the database is setup correctly.   protected void Page_Load(object sender, EventArgs e)        {            Database.SetInitializer(new MigrateDatabaseToLatestVersion<FootballerDBContext, Configuration>());        } Build and run your application. It will work fine. Have a look at the picture below to see the migrations applied to our table in the database. Hope it helps!!!  

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  • Software Engineering Practices &ndash; Different Projects should have different maturity levels

    - by Dylan Smith
    I’ve had a lot of discussions at the office lately about the drastically different sets of software engineering practices used on our various projects, if what we are doing is appropriate, and what factors should you be considering when determining what practices are most appropriate in a given context. I wanted to write up my thoughts in a little more detail on this subject, so here we go: If you compare any two software projects (specifically comparing their codebases) you’ll often see very different levels of maturity in the software engineering practices employed. By software engineering practices, I’m specifically referring to the quality of the code and the amount of technical debt present in the project. Things such as Test Driven Development, Domain Driven Design, Behavior Driven Development, proper adherence to the SOLID principles, etc. are all practices that you would expect at the mature end of the spectrum. At the other end of the spectrum would be the quick-and-dirty solutions that are done using something like an Access Database, Excel Spreadsheet, or maybe some quick “drag-and-drop coding”. For this blog post I’m going to refer to this as the Software Engineering Maturity Spectrum (SEMS). I believe there is a time and a place for projects at every part of that SEMS. The risks and costs associated with under-engineering solutions have been written about a million times over so I won’t bother going into them again here, but there are also (unnecessary) costs with over-engineering a solution. Sometimes putting multiple layers, and IoC containers, and abstracting out the persistence, etc is complete overkill if a one-time use Access database could solve the problem perfectly well. A lot of software developers I talk to seem to automatically jump to the very right-hand side of this SEMS in everything they do. A common rationalization I hear is that it may seem like a small trivial application today, but these things always grow and stick around for many years, then you’re stuck maintaining a big ball of mud. I think this is a cop-out. Sure you can’t always anticipate how an application will be used or grow over its lifetime (can you ever??), but that doesn’t mean you can’t manage it and evolve the underlying software architecture as necessary (even if that means having to toss the code out and re-write it at some point…maybe even multiple times). My thoughts are that we should be making a conscious decision around the start of each project approximately where on the SEMS we want the project to exist. I believe this decision should be based on 3 factors: 1. Importance - How important to the business is this application? What is the impact if the application were to suddenly stop working? 2. Complexity - How complex is the application functionality? 3. Life-Expectancy - How long is this application expected to be in use? Is this a one-time use application, does it fill a short-term need, or is it more strategic and is expected to be in-use for many years to come? Of course this isn’t an exact science. You can’t say that Project X should be at the 73% mark on the SEMS and expect that to be helpful. My point is not that you need to precisely figure out what point on the SEMS the project should be at then translate that into some prescriptive set of practices and techniques you should be using. Rather my point is that we need to be aware that there is a spectrum, and that not everything is going to be (or should be) at the edges of that spectrum, indeed a large number of projects should probably fall somewhere within the middle; and different projects should adopt a different level of software engineering practices and maturity levels based on the needs of that project. To give an example of this way of thinking from my day job: Every couple of years my company plans and hosts a large event where ~400 of our customers all fly in to one location for a multi-day event with various activities. We have some staff whose job it is to organize the logistics of this event, which includes tracking which flights everybody is booked on, arranging for transportation to/from airports, arranging for hotel rooms, name tags, etc The last time we arranged this event all these various pieces of data were tracked in separate spreadsheets and reconciliation and cross-referencing of all the data was literally done by hand using printed copies of the spreadsheets and several people sitting around a table going down each list row by row. Obviously there is some room for improvement in how we are using software to manage the event’s logistics. The next time this event occurs we plan to provide the event planning staff with a more intelligent tool (either an Excel spreadsheet or probably an Access database) that can track all the information in one location and make sure that the various pieces of data are properly linked together (so for example if a person cancels you only need to delete them from one place, and not a dozen separate lists). This solution would fall at or near the very left end of the SEMS meaning that we will just quickly create something with very little attention paid to using mature software engineering practices. If we examine this project against the 3 criteria I listed above for determining it’s place within the SEMS we can see why: Importance – If this application were to stop working the business doesn’t grind to a halt, revenue doesn’t stop, and in fact our customers wouldn’t even notice since it isn’t a customer facing application. The impact would simply be more work for our event planning staff as they revert back to the previous way of doing things (assuming we don’t have any data loss). Complexity – The use cases for this project are pretty straightforward. It simply needs to manage several lists of data, and link them together appropriately. Precisely the task that access (and/or Excel) can do with minimal custom development required. Life-Expectancy – For this specific project we’re only planning to create something to be used for the one event (we only hold these events every 2 years). If it works well this may change (see below). Let’s assume we hack something out quickly and it works great when we plan the next event. We may decide that we want to make some tweaks to the tool and adopt it for planning all future events of this nature. In that case we should examine where the current application is on the SEMS, and make a conscious decision whether something needs to be done to move it further to the right based on the new objectives and goals for this application. This may mean scrapping the access database and re-writing it as an actual web or windows application. In this case, the life-expectancy changed, but let’s assume the importance and complexity didn’t change all that much. We can still probably get away with not adopting a lot of the so-called “best practices”. For example, we can probably still use some of the RAD tooling available and might have an Autonomous View style design that connects directly to the database and binds to typed datasets (we might even choose to simply leave it as an access database and continue using it; this is a decision that needs to be made on a case-by-case basis). At Anvil Digital we have aspirations to become a primarily product-based company. So let’s say we use this tool to plan a handful of events internally, and everybody loves it. Maybe a couple years down the road we decide we want to package the tool up and sell it as a product to some of our customers. In this case the project objectives/goals change quite drastically. Now the tool becomes a source of revenue, and the impact of it suddenly stopping working is significantly less acceptable. Also as we hold focus groups, and gather feedback from customers and potential customers there’s a pretty good chance the feature-set and complexity will have to grow considerably from when we were using it only internally for planning a small handful of events for one company. In this fictional scenario I would expect the target on the SEMS to jump to the far right. Depending on how we implemented the previous release we may be able to refactor and evolve the existing codebase to introduce a more layered architecture, a robust set of automated tests, introduce a proper ORM and IoC container, etc. More likely in this example the jump along the SEMS would be so large we’d probably end up scrapping the current code and re-writing. Although, if it was a slow phased roll-out to only a handful of customers, where we collected feedback, made some tweaks, and then rolled out to a couple more customers, we may be able to slowly refactor and evolve the code over time rather than tossing it out and starting from scratch. The key point I’m trying to get across is not that you should be throwing out your code and starting from scratch all the time. But rather that you should be aware of when and how the context and objectives around a project changes and periodically re-assess where the project currently falls on the SEMS and whether that needs to be adjusted based on changing needs. Note: There is also the idea of “spectrum decay”. Since our industry is rapidly evolving, what we currently accept as mature software engineering practices (the right end of the SEMS) probably won’t be the same 3 years from now. If you have a project that you were to assess at somewhere around the 80% mark on the SEMS today, but don’t touch the code for 3 years and come back and re-assess its position, it will almost certainly have changed since the right end of the SEMS will have moved farther out (maybe the project is now only around 60% due to decay). Developer Skills Another important aspect to this whole discussion is around the skill sets of your architects and lead developers. When talking about the progression of a developers skills from junior->intermediate->senior->… they generally start by only being able to write code that belongs on the left side of the SEMS and as they gain more knowledge and skill they become capable of working at a higher and higher level along the SEMS. We all realize that the learning never stops, but eventually you’ll get to the point where you can comfortably develop at the right-end of the SEMS (the exact practices and techniques that translates to is constantly changing, but that’s not the point here). A critical skill that I’d love to see more evidence of in our industry is the most senior guys not only being able to work at the right-end of the SEMS, but more importantly be able to consciously work at any point along the SEMS as project needs dictate. An even more valuable skill would be if you could make the conscious decision to move a projects code further right on the SEMS (based on changing needs) and do so in an incremental manner without having to start from scratch. An exercise that I’m planning to go through with all of our projects here at Anvil in the near future is to map out where I believe each project currently falls within this SEMS, where I believe the project *should* be on the SEMS based on the business needs, and for those that don’t match up (i.e. most of them) come up with a plan to improve the situation.

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  • class not found expection.

    - by theJava
    org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mySessionFactory' defined in ServletContext resource [/WEB-INF/dispatcher-servlet.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.util.ArrayList' to required type 'java.lang.Class[]' for property 'annotatedClasses'; nested exception is java.lang.IllegalArgumentException: Cannot find class [com.vinoth.domain.User] org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527) org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:563) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:442) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:458) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:339) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127) javax.servlet.GenericServlet.init(GenericServlet.java:212) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) java.lang.Thread.run(Unknown Source) I have the particular class in my source and here is my bean config and yet when i compile my application it throws me the error. <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" /> <bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://127.0.0.1:3306/spring"/> <property name="username" value="monty"/> <property name="password" value="indian"/> </bean> <bean id="mySessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"> <property name="dataSource" ref="myDataSource" /> <property name="annotatedClasses"> <list> <value>com.vinoth.domain.User</value> </list> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.hbm2ddl.auto">create</prop> </props> </property> </bean> <bean id="myUserDAO" class="com.vinoth.dao.UserDAOImpl"> <property name="sessionFactory" ref="mySessionFactory"/> </bean> <bean name="/user/*.htm" class="com.vinoth.web.UserController" > <property name="userDAO" ref="myUserDAO" /> </bean> </beans>

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  • CodePlex Daily Summary for Saturday, December 15, 2012

    CodePlex Daily Summary for Saturday, December 15, 2012Popular ReleasesAmarok Framework Library: 1.12: refactored agent-specific implementation introduced new interface representing important concepts like IDispatcher, IPublisher Refer to the Release Notes for details.sb0t v.5: sb0t 5.02b beta 2: Bug fix for Windows XP users (tab resize) Bug fix where ib0t stopped working A lot of command tweaksCRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1116.8): [FIX] Fixed issue not displaying CRM system button images correctly (incorrect path in file VisualRibbonEditor.exe.config)MySqlBackup.NET - MySQL Backup Solution for C#, VB.NET, ASP.NET: MySqlBackup.NET 1.5.6 beta: Fix Bug: If encryption is applied in Export Process, the generated encrypted SQL file is not able to import Stored Procedures, Functions, Triggers, Events and View. Fix Bug: In some unknown cases, the SHOW CREATE TABLE `tablename` query will return byte array. Improve 1: During Export, StreamWriter is opened and closed several times when writting to the dump file, which this is considered as not a good practice. Improve 2: SQL line in class Database method GetEvents: "SHOW EVENTS WHERE ...My Expenses Windows Store LOB App Demo: My Expenses Version 1: This is version 1 of the MyExpenses Windows 8 line of business demo app. The app is written in XAML and C#. It calls a WCF service that works with a SQL Server database. The app uses the Callisto toolkit. You can get it at https://github.com/timheuer/callisto. The Expenses.sql file contains the SQL to create the Expenses database. The ExpensesWCFService.zip file contains the WCF service, also written in C#. You should create a WCF service. Create an Entity Framework model and point it to...EasyTwitter: EasyTwitter basic operations: See the commit log to see the features!, check history files to see examples of how to use this libraryCommand Line Parser Library: 1.9.3.31 rc0: Main assembly CommandLine.dll signed. Removed old commented code. Added missing XML documentation comments. Two (very) minor code refactoring changes.BlackJumboDog: Ver5.7.4: 2012.12.13 Ver5.7.4 (1)Web???????、???????????????????????????????????????????VFPX: ssClasses A1.0: My initial release. See https://vfpx.codeplex.com/wikipage?title=ssClasses&referringTitle=Home for a brief description of what is inside this releaseHome Access Plus+: v8.6: v8.6.1213.1220 Added: Group look up to the visible property of the Booking System Fixed: Switched to using the outlook/exchange thumbnailPhoto instead of jpegPhoto Added: Add a blank paragraph below the tiles. This means that the browser displays a vertical scroller when resizing the window. Previously it was possible for the bottom edge of a tile not to be visible if the browser window was resized. Added: Booking System: Only Display Day+Month on the booking Home Page. This allows for the cs...Layered Architecture Solution Guidance (LASG): LASG 1.0.0.8 for Visual Studio 2012: PRE-REQUISITES Open GAX (Please install Oct 4, 2012 version) Microsoft® System CLR Types for Microsoft® SQL Server® 2012 Microsoft® SQL Server® 2012 Shared Management Objects Microsoft Enterprise Library 5.0 (for the generated code) Windows Azure SDK (for layered cloud applications) Silverlight 5 SDK (for Silverlight applications) THE RELEASE This release only works on Visual Studio 2012. Known Issue If you choose the Database project, the solution unfolding time will be slow....Fiskalizacija za developere: FiskalizacijaDev 2.0: Prva prava produkcijska verzija - Zakon je tu, ova je verzija uskladena sa trenutno važecom Tehnickom specifikacijom (v1.2. od 04.12.2012.) i spremna je za produkcijsko korištenje. Verzije iza ove ce ovisiti o naknadnim izmjenama Zakona i/ili Tehnicke specifikacije, odnosno, o eventualnim greškama u radu/zahtjevima community-a za novim feature-ima. Novosti u v2.0 su: - That assembly does not allow partially trusted callers (http://fiskalizacija.codeplex.com/workitem/699) - scheme IznosType...Simple Injector: Simple Injector v1.6.1: This patch release fixes a bug in the integration libraries that disallowed the application to start when .NET 4.5 was not installed on the machine (but only .NET 4.0). The following packages are affected: SimpleInjector.Integration.Web.dll SimpleInjector.Integration.Web.Mvc.dll SimpleInjector.Integration.Wcf.dll SimpleInjector.Extensions.LifetimeScoping.dllBootstrap Helpers: Version 1: First releasesheetengine - Isometric HTML5 JavaScript Display Engine: sheetengine v1.2.0: Main featuresOptimizations for intersectionsThe main purpose of this release was to further optimize rendering performance by skipping object intersections with other sheets. From now by default an object's sheets will only intersect its own sheets and never other static or dynamic sheets. This is the usual scenario since objects will never bump into other sheets when using collision detection. DocumentationMany of you have been asking for proper documentation, so here it goes. Check out the...DirectX Tool Kit: December 11, 2012: December 11, 2012 Ex versions of DDSTextureLoader and WICTextureLoader Removed use of ATL's CComPtr in favor of WRL's ComPtr for all platforms to support VS Express editions Updated VS 2010 project for official 'property sheet' integration for Windows 8.0 SDK Minor fix to CommonStates for Feature Level 9.1 Tweaked AlphaTestEffect.cpp to work around ARM NEON compiler codegen bug Added dxguid.lib as a default library for Debug builds to resolve GUID link issuesArcGIS Editor for OpenStreetMap: ArcGIS Editor for OSM 2.1 Final for 10.1: We are proud to announce the release of ArcGIS Editor for OpenStreetMap version 2.1. This download is compatible with ArcGIS 10.1, and includes setups for the Desktop Component, Desktop Component when 64 bit Background Geoprocessing is installed, and the Server Component. Important: if you already have ArcGIS Editor for OSM installed but want to install this new version, you will need to uninstall your previous version and then install this one. This release includes support for the ArcGIS 1...SharpCompress - a fully native C# library for RAR, 7Zip, Zip, Tar, GZip, BZip2: SharpCompress 0.8.2: This release just contains some fixes that have been done since the last release. Plus, this is strong named as well. I apologize for the lack of updates but my free time is less these days.Media Companion: MediaCompanion3.511b release: Two more bug fixes: - General Preferences were not getting restored - Fanart and poster image files were being locked, preventing changes to themVodigi Open Source Interactive Digital Signage: Vodigi Release 5.5: The following enhancements and fixes are included in Vodigi 5.5. Vodigi Administrator - Manage Music Files - Add Music Files to Image Slide Shows - Manage System Messages - Display System Messages to Users During Login - Ported to Visual Studio 2012 and MVC 4 - Added New Vodigi Administrator User Guide Vodigi Player - Improved Login/Schedule Startup Procedure - Startup Using Last Known Schedule when Disconnected on Startup - Improved Check for Schedule Changes - Now Every 15 Minutes - Pla...New Projects1Q86: testAdd Ratings to SharePoint Blog Site: This web part is an ‘administrative’ level tool used to update a Blog site to a) enable ratings on the post and b) add the User Ratings web part to the site. BadmintonBuddy: Source codeBetter Place Admin: Admin client for the BetterPlaceBooking ProjectBorkoSi: BorkoSi WebPage Source code.ChimpHD - 2D Evolved: High quality OpenCL accelerated 2D engine, capable of full complex yet easy to code 2D games. This is SpaceChimp2.0, wrote from the ground up, not just patchedCoderJoe: Repository for code samples used in my blog.CodeTemplate: ??????Data Persistent Object: ORM tool to access SQL Server, log record changes, Json and Linq supportedDevian: a simple web portal based on asp.net 2.0HD: hdHospital Tracking: hospital patient tracking ????? ???? ??????? ???? ?????Instant Get: An auction based c# applicationipangolin: DICOM stands for Digital Imaging and COmmunication in Medicine. The DICOM standard addresses the basic connectivity between different imaging devices.ISEFun: PowerShell module(s) to simplify work in it. It contains PowerShell scripts, compiled libs and some formating files. Several modules will come in one batch as optional features.Kerjasama: Aplikasi Database Kerjasama Bagian Kerjasama Kota SemarangMCEBuddy Viewer: Windows Media Center Plugin for MCEBuddy 2.x MusicForMyBlog: Link your recently played music in Itunes to your blog.My Expenses Windows Store LOB App Demo: This is a sample Windows 8 LOB app. Employees can use this app to create and submit expense reports. And managers can approve or reject those reports.Node Paint: An app based on the nodegarden application created by alphalabs.ccNPhysics: NPhysics - Physical Data Types for .NETomr.domready.js: Dom is ready? This project provides easy to detect ready event of dom.RegSecEdit: set registry security from command line, or batch file.Sitecore - Logger Module: This module provides an abstraction of the built-in Sitecore Logging features.SMART LMS: Welcome to SMART LMS, a learning management system with a difference, this software will allow teachers to create custom education activities such as quizzes.TaskManagerDD: DotNetNuke task manager tutorialThe Reactive Extensions for JavaScript: RxJS or Reactive Extensions for JavaScript is a library for transforming, composing, and querying streams of data.Timestamp: Tool for generating timestamps into clipboard for fast use.TweetGarden: Visualising connected users using their tweetsUpdateContentType: UpdateContentType atualiza os modelos de documentos utilizados por tipos de conteúdo do SharePoint a partir de documentos armazenados em uma biblioteca.User Rating Web Part for SharePoint 2010: User Rating Web Part - the fix for Ratings in SharePoint!webget: webgetwhatsnew.exe a command line utility to find new files: whatsnew.exe is a command line utility that lists the files created (new files) in a given number of days. whatsnew.exe 's syntax is very simple: whatsnew path numberofdays Also whatsnew supports other options like HTML or XML output, hyperlinked outputs and more.whoami: ip address resolverWPFReview: WPF code sample

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  • CodePlex Daily Summary for Monday, June 07, 2010

    CodePlex Daily Summary for Monday, June 07, 2010New ProjectsAgile Personal Development Methodology: 本项目并不是软件开发项目,它是一个关注个人能力发展的项目,希望通过大家的积极参与和实践,在价值观、原则和最佳实践的基础上不断丰富和完善这些内容。我将主要从生活、工作和个人三个主要方面来指导个人如何快速地提高自己的能力。在工作方面,首先关注的是IT技术人员。 希望本方法论的不断完善,能够对不同阶...Altairis Mail Toolkit: Altairis Mail Toolkit is a component for .NET developers making easy to send templated and localized e-mail messages. Uses standard resource mechan...AmazonPriceTicker: AmazonPriceTicker ist ein kleines ASP.NET-Projekt für unser Studium.CC.Hearts Screen Saver: A complete screensaver that draws pretty hearts. Supports all standard screensaver functionality (preview window, options, multi-monitor). Written...Controle Financeiro com DDD: Projeto para fins de estudo das tencologias: - DDD - TDD - Asp Net MVCDebugWriterTextBox: This is modified TextBox which can catch up Debug.Write() and display log. Also it can write log data to file - all you need is to set up file name!DEIConsultingDev: DEI Consulting DEVEasy Augmented Reality Suite for Silverlight: Easy Augmented Reality Suite for SilverlightEvent Broker: Simple event broker with an hierarchical implementation.fleet It: A WPF Client for Team Space. Developed using WPF and C#. Various URL Shortening services integrated.Gest-Bus: Gest-BusHNV Project: Projects created by Hoàng, Ngọc, VũHotel Management System: Hotel Management System : concerned in making a complete website for a hotel every thing in hotel in just one web application : Finance , managemen...ISEN découverte majeure application mobile: ISEN découverte majeure application mobile contrôle d'un pc par un téléphone portable avec plateforme windows 7 LiveSequence: Based in the sequence diagramming control of Nauman Leghari.NHash: This is a simple project that integrates with Explorer and Computes MD5 and SHA1.NHibernate Sidekick Library: NHibernate Sidekick is a library intended to assist in the development of multi-tiered applications using the NHibernate ORM framework.ScrewTurn ASP.NET Proxy Membership Provider: Plugin for the ScrewTurn Wiki System to use Standard ASP.NET Membership and Role providers.Silverlight SNS: We are going to develop a SNS web application based on Silver lightSilverPoiMap: SilverPoiMap provides interactive searching and management of Points of Interest. It is a Facebook client application which allow you to connect to...Simple Resource Localization Editor: Simple editor that simplifies localization and synchronization of .NET resource files (.resx).SimpleBlog.NET MVC: A very simple blog engine developed in ASP.NET 3.5 MVC2 and C#.Siverlight Project: Hope that everybody continue to develop it.SpaceConquest: Incorporated standard design patterns to build a peer to peer game in Java. The game rules were similar in complexity to games like Civilization an...Yasts: Yasts - Yet Another Space Trading Sim - This is a learning environment project.New ReleasesAgile Personal Development Methodology: 敏捷个人-认识自我,管理自我.pdf: 去年我在blog上写了个人管理系列的一些blog,其中一些文章深受大家的喜欢。想到写这个系列是源于在实施敏捷Scrum方法时,对方法实施是否对人的水平需要高要求的一些思考。自组织团队是建立在敏捷个人之上的,没有个人就没有团队,实施Scrum对人要求不高,但想实施得好,那么对人的要求肯定不低。 ...Altairis Mail Toolkit: 1.0.0 RTM: Initial releaseAndrew's XNA Helpers: Andrew's Xna Helpers V1.1: Currently only supports X86 projects since portions of the code have to be reworked to work with the xbox. I do plan to code it for the 360 though....C#Mail: Higuchi.Mail.dll (2010.6.6 ver): Higuchi.Mail.dll (2010.4.30 ver)Community Forums NNTP bridge: Community Forums NNTP Bridge V31: Release of the Community Forums NNTP Bridge to access the social and anwsers MS forums with a single, open source NNTP bridge. This release has ad...Html Agility Pack: Experimental Xpath Updates: In efforts to update make Html Agility Packs Xpath support to be closer to the System.Xml.Xpath implementation I have updated HAP to have all nodes...imdb movie downloader: myImdb 0.9.2: myImdb 0.9.2 Fully changed...and added some more features.. working with XML movie list... Used Backgroundworker more clever results and guess m...InfoService: InfoService v1.6 - MPE1 or RAR Package: InfoService Release v1.6.0.136 Please read Plugin installation for installation instructions.ISEN découverte majeure application mobile: appli traitement d'image: but : capturer, redimensionner l'image de l'écran d'un pc.Jeremi Stadler: Clipboard Manager: Version 1.0.5.14 It's finally here! 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Faster access, cleaner layout.Most Popular ProjectsCommunity Forums NNTP bridgeASP.NET MVC Time PlannerMoonyDesk (windows desktop widgets)NeatUploadOutSyncFileupload AJAXViperWorks IgnitionAgUnit - Silverlight unit testing with ReSharperSQL Nexus ToolSmith Async .NET Memcached ClientMost Active ProjectsCommunity Forums NNTP bridgepatterns & practices – Enterprise LibraryRawrGMap.NET - Great Maps for Windows Forms & PresentationStyleCopN2 CMSsmark C# LibraryFarseer Physics EngineIonics Isapi Rewrite FilterNB_Store - Free DotNetNuke Ecommerce Catalog Module

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  • SQLAlchemy session management in long-running process

    - by codeape
    Scenario: A .NET-based application server (Wonderware IAS/System Platform) hosts automation objects that communicate with various equipment on the factory floor. CPython is hosted inside this application server (using Python for .NET). The automation objects have scripting functionality built-in (using a custom, .NET-based language). These scripts call Python functions. The Python functions are part of a system to track Work-In-Progress on the factory floor. The purpose of the system is to track the produced widgets along the process, ensure that the widgets go through the process in the correct order, and check that certain conditions are met along the process. The widget production history and widget state is stored in a relational database, this is where SQLAlchemy plays its part. For example, when a widget passes a scanner, the automation software triggers the following script (written in the application server's custom scripting language): ' wiget_id and scanner_id provided by automation object ' ExecFunction() takes care of calling a CPython function retval = ExecFunction("WidgetScanned", widget_id, scanner_id); ' if the python function raises an Exception, ErrorOccured will be true ' in this case, any errors should cause the production line to stop. if (retval.ErrorOccured) then ProductionLine.Running = False; InformationBoard.DisplayText = "ERROR: " + retval.Exception.Message; InformationBoard.SoundAlarm = True end if; The script calls the WidgetScanned python function: # pywip/functions.py from pywip.database import session from pywip.model import Widget, WidgetHistoryItem from pywip import validation, StatusMessage from datetime import datetime def WidgetScanned(widget_id, scanner_id): widget = session.query(Widget).get(widget_id) validation.validate_widget_passed_scanner(widget, scanner) # raises exception on error widget.history.append(WidgetHistoryItem(timestamp=datetime.now(), action=u"SCANNED", scanner_id=scanner_id)) widget.last_scanner = scanner_id widget.last_update = datetime.now() return StatusMessage("OK") # ... there are a dozen similar functions My question is: How do I best manage SQLAlchemy sessions in this scenario? The application server is a long-running process, typically running months between restarts. The application server is single-threaded. Currently, I do it the following way: I apply a decorator to the functions I make avaliable to the application server: # pywip/iasfunctions.py from pywip import functions def ias_session_handling(func): def _ias_session_handling(*args, **kwargs): try: retval = func(*args, **kwargs) session.commit() return retval except: session.rollback() raise return _ias_session_handling # ... actually I populate this module with decorated versions of all the functions in pywip.functions dynamically WidgetScanned = ias_session_handling(functions.WidgetScanned) Question: Is the decorator above suitable for handling sessions in a long-running process? Should I call session.remove()? The SQLAlchemy session object is a scoped session: # pywip/database.py from sqlalchemy.orm import scoped_session, sessionmaker session = scoped_session(sessionmaker()) I want to keep the session management out of the basic functions. For two reasons: There is another family of functions, sequence functions. The sequence functions call several of the basic functions. One sequence function should equal one database transaction. I need to be able to use the library from other environments. a) From a TurboGears web application. In that case, session management is done by TurboGears. b) From an IPython shell. In that case, commit/rollback will be explicit. (I am truly sorry for the long question. But I felt I needed to explain the scenario. Perhaps not necessary?)

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