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• Camera wont stay behind model after pitch, then rotation

  - by ChocoMan

  I have a camera position behind a model. Currently, if I push the left thumbstick making my model move forward, backward, or strafe, the camera stays with the model. If I push the right thumbstick left or right, the model rotates in those directions fine along with the camera rotating while maintaining its position relatively behind the model. But when I pitch the model up or down, then rotate the model afterwards, the camera moves slightly rotates in a clock-like fashion behind the model. If I do a few rotations of the model and try to pitch the camera, the camera will eventually be looking at the side, then eventually the front of the model while also rotating in a clock-like fashion. My question is, how do I keep the camera to pitch up and down behind the model no matter how much the model has rotated? Here is what I got: // Rotates model and pitches camera on its own axis public void modelRotMovement(GamePadState pController) { // Rotates Camera with model Yaw = pController.ThumbSticks.Right.X * MathHelper.ToRadians(angularSpeed); // Pitches Camera around model Pitch = pController.ThumbSticks.Right.Y * MathHelper.ToRadians(angularSpeed); AddRotation = Quaternion.CreateFromYawPitchRoll(Yaw, 0, 0); ModelLoad.MRotation *= AddRotation; MOrientation = Matrix.CreateFromQuaternion(ModelLoad.MRotation); } // Orbit (yaw) Camera around with model (only seeing back of model) public void cameraYaw(Vector3 axisYaw, float yaw) { ModelLoad.CameraPos = Vector3.Transform(ModelLoad.CameraPos - ModelLoad.camTarget, Matrix.CreateFromAxisAngle(axisYaw, yaw)) + ModelLoad.camTarget; } // Raise camera above or below model's shoulders public void cameraPitch(Vector3 axisPitch, float pitch) { ModelLoad.CameraPos = Vector3.Transform(ModelLoad.CameraPos - ModelLoad.camTarget, Matrix.CreateFromAxisAngle(axisPitch, pitch)) + ModelLoad.camTarget; } // Call in update method public void updateCamera() { cameraYaw(Vector3.Up, Yaw); cameraPitch(Vector3.Right, Pitch); } NOTE: I tried to use addPitch just like addRotation but it didn't work...

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• XNA 4.0: Problem with loading XML content files

  - by 200

  I'm new to XNA so hopefully my question isn't too silly. I'm trying to load content data from XML. My XML file is placed in my Content project (the new XNA 4 thing), called "Event1.xml": <?xml version="1.0" encoding="utf-8" ?> <XnaContent> <Asset Type="MyNamespace.Event"> // error on this line <name>1</name> </Asset> </XnaContent> My "Event" class is placed in my main project: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml.Linq; namespace MyNamespace { public class Event { public string name; } } The XML file is being called by my main game class inside the LoadContent() method: Event temp = Content.Load<Event>("Event1"); And this is the error I'm getting: There was an error while deserializing intermediate XML. Cannot find type "MyNamespace.Event" I think the problem is because at the time the XML is being evaluated, the Event class has not been established because one file is in my main project while the other is in my Content project (being a XNA 4.0 project and such). I have also tried changing the build action of the xml file from compile to content; however the program would then not be able to find the file and would give this other warning: Project item 'Event1.xml' was not built with the XNA Framework Content Pipeline. Set its Build Action property to Compile to build it. Any suggestions are appreciated. Thanks.

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• CodePlex Daily Summary for Monday, January 31, 2011

  CodePlex Daily Summary for Monday, January 31, 2011Popular ReleasesMVC Controls Toolkit: Mvc Controls Toolkit 0.8: Fixed the following bugs: *Variable name error in the jvascript file that prevented the use of the deleted item template of the Datagrid *Now after the changes applied to an item of the DataGrid are cancelled all input fields are reset to the very initial value they had. *Other minor bugs. Added: *This version is available both for MVC2, and MVC 3. The MVC 3 version has a release number of 0.85. This way one can install both version. *Client Validation support has been added to all control...Office Web.UI: Beta preview (Source): This is the first Beta. it includes full source code and all available controls. Some designers are not ready, and some features are not finalized allready (missing properties, draft styles) ThanksASP.net Ribbon: Version 2.2: This release brings some new controls (part of Office Web.UI). A few bugs are fixed and it includes the "auto resize" feature as you resize the window. (It can cause an infinite loop when the window is too reduced, it's why this release is not marked as "stable"). I will release more versions 2.3, 2.4... until V3 which will be the official launch of Office Web.UI. Both products will evolve at the same speed. Thanks.Barcode Rendering Framework: 2.1.1.0: Final release for VS2008 Finally fixed bugs with code 128 symbology.HERB.IQ: HERB.IQ.UPGRADE.0.5.3.exe: HERB.IQ.UPGRADE.0.5.3.exexUnit.net - Unit Testing for .NET: xUnit.net 1.7: xUnit.net release 1.7Build #1540 Important notes for Resharper users: Resharper support has been moved to the xUnit.net Contrib project. Important note for TestDriven.net users: If you are having issues running xUnit.net tests in TestDriven.net, especially on 64-bit Windows, we strongly recommend you upgrade to TD.NET version 3.0 or later. This release adds the following new features: Added support for ASP.NET MVC 3 Added Assert.Equal(double expected, double actual, int precision) Ad...DoddleReport - Automatic HTML/Excel/PDF Reporting: DoddleReport 1.0: DoddleReport will add automatic tabular-based reporting (HTML/PDF/Excel/etc) for any LINQ Query, IEnumerable, DataTable or SharePoint List For SharePoint integration please click Here PDF Reporting has been placed into a separate assembly because it requies AbcPdf http://www.websupergoo.com/download.htmSpark View Engine: Spark v1.5: Release Notes There have been a lot of minor changes going on since version 1.1, but most important to note are the major changes which include: Support for HTML5 "section" tag. Spark has now renamed its own section tag to "segment" instead to avoid clashes. You can still use "section" in a Spark sense for legacy support by specifying ParseSectionAsSegment = true if needed while you transition Bindings - this is a massive feature that further simplifies your views by giving you a powerful ...Marr DataMapper: Marr DataMapper 1.0.0 beta: First release.WPF Application Framework (WAF): WPF Application Framework (WAF) 2.0.0.3: Version: 2.0.0.3 (Milestone 3): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Remark The sample applications are using Microsoft’s IoC container MEF. However, the WPF Application Framework (WAF) doesn’t force you to use the same IoC container in your application. You can use ...Rawr: Rawr 4.0.17 Beta: Rawr is now web-based. The link to use Rawr4 is: http://elitistjerks.com/rawr.phpThis is the Cataclysm Beta Release. More details can be found at the following link http://rawr.codeplex.com/Thread/View.aspx?ThreadId=237262 and on the Version Notes page: http://rawr.codeplex.com/wikipage?title=VersionNotes As of the 4.0.16 release, you can now also begin using the new Downloadable WPF version of Rawr!This is a pre-alpha release of the WPF version, there are likely to be a lot of issues. If you...Squiggle - A Free open source LAN Messenger: Squiggle 2.5 Beta: In this release following are the new features: Localization: Support for Arabic, French, German and Chinese (Simplified) Bridge: Connect two Squiggle nets across the WAN or different subnets Aliases: Special codes with special meaning can be embedded in message like (version),(datetime),(time),(date),(you),(me) Commands: cls, /exit, /offline, /online, /busy, /away, /main Sound notifications: Get audio alerts on contact online, message received, buzz Broadcast for group: You can ri...VivoSocial: VivoSocial 7.4.2: Version 7.4.2 of VivoSocial has been released. If you experienced any issues with the previous version, please update your modules to the 7.4.2 release and see if they persist. If you have any questions about this release, please post them in our Support forums. If you are experiencing a bug or would like to request a new feature, please submit it to our issue tracker. Web Controls * Updated Business Objects and added a new SQL Data Provider File. Groups * Fixed a security issue whe...PHP Manager for IIS: PHP Manager 1.1.1 for IIS 7: This is a minor release of PHP Manager for IIS 7. It contains all the functionality available in 56962 plus several bug fixes (see change list for more details). Also, this release includes Russian language support. SHA1 codes for the downloads are: PHPManagerForIIS-1.1.0-x86.msi - 6570B4A8AC8B5B776171C2BA0572C190F0900DE2 PHPManagerForIIS-1.1.0-x64.msi - 12EDE004EFEE57282EF11A8BAD1DC1ADFD66A654mojoPortal: 2.3.6.1: see release notes on mojoportal.com http://www.mojoportal.com/mojoportal-2361-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.Parallel Programming with Microsoft Visual C++: Drop 6 - Chapters 4 and 5: This is Drop 6. It includes: Drafts of the Preface, Introduction, Chapters 2-7, Appendix B & C and the glossary Sample code for chapters 2-7 and Appendix A & B. The new material we'd like feedback on is: Chapter 4 - Parallel Aggregation Chapter 5 - Futures The source code requires Visual Studio 2010 in order to run. There is a known bug in the A-Dash sample when the user attempts to cancel a parallel calculation. We are working to fix this.NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel Template, version 1.0.1.160: The NodeXL Excel template displays a network graph using edge and vertex lists stored in an Excel 2007 or Excel 2010 workbook. What's NewThis release improves NodeXL's Twitter and Pajek features. See the Complete NodeXL Release History for details. Installation StepsFollow these steps to install and use the template: Download the Zip file. Unzip it into any folder. Use WinZip or a similar program, or just right-click the Zip file in Windows Explorer and select "Extract All." Close Ex...Kooboo CMS: Kooboo CMS 3.0 CTP: Files in this downloadkooboo_CMS.zip: The kooboo application files Content_DBProvider.zip: Additional content database implementation of MSSQL, RavenDB and SQLCE. Default is XML based database. To use them, copy the related dlls into web root bin folder and remove old content provider dlls. Content provider has the name like "Kooboo.CMS.Content.Persistence.SQLServer.dll" View_Engines.zip: Supports of Razor, webform and NVelocity view engine. Copy the dlls into web root bin folder to enable...UOB & ME: UOB ME 2.6: UOB ME 2.6????: ???? V1.0: ???? V1.0 ??New ProjectsAuto Complete Control for ASP.NET: Autocomplete Control is a fully functional ASP.NET control for word suggestions and autocomplete. We had been using Ajax Control Toolkit AutoComplete Extender in our projects before, but we have needed some extra features and functionalities.Cours ESIEE: MAJ des cours ESIEE depuis la plateforme Icampus et autres documentsEngineering World Expenses: Demo expenses application for Engineering World 2011Entity Framework / Linq to Sql Poco Code Generator: Poco Orm data access layer (Dto) code generator for Entity Framework and Linq to Sql. Customizable code generation via simple templating system. Utilizes Managed Extensibility Framework (MEF) in order for application parts to dynamically composed and plug-able.linqish.py: Python module for manipulating iterables. An implementation of the .Net Framework's Linq to Objects for Python.Machinekey setter: This code sample is Windows Azure SDK 1.3 custom plugin. This sample do working at set custom key to machinekey of web.config file in your WebRole.MapReduce.NET: MapReduce.NET intends to implement the original paper proposed by Google on MapReduce.Marr DataMapper: Marr DataMapper provides a fast and easy to use wrapper around ADO.NET that enables you to focus more on your data access queries without having to write plumbing code. Load one-to-one, one-to-many, and hierarchical entity models with ease. No special base class required.Orchard Silverlight: Orchard module enabling embedding Silverlight applications and creating Silverlight-based content.RouteMagic: Library of useful routing helpers and classes.Smart Skelta Utilites: Smart Skelta Utilies will provide utilties like Visual Studio 2008 Skelta Starter Kit(Project Templates and Project Item Templates),Code Snippets for Skelta Components,Skleta Attachment Extracter Web based Logger,Skelta Server utility and others for skelta based development.Solfix: Solfix is a programming language tbat is work-in-progress, but it has a lot of functionality! You can make applications for console to windows applications. The main point of Solfix is to make coding easier and less time than before.SQLite Manager: A minimal manage for sqlite databases.State Search: StateSearch provides state search algoritms such as A*, IDA*, BestFirst, etc to solve problems such as puzzles and/or path searchingTable Check Custom Field Type: SharePoint Custom Field Type for displaying a list of values with checkboxes and people editors.testsgb: testWindows Phone 7 Extension Framework: An extension method framework for Windows Phone 7 to make your code more fluent and adding a lot of common functions you don't need to reproduce.

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• Designing a Database Application with OOP

  - by Tim C

  I often develop SQL database applications using Linq, and my methodology is to build model classes to represent each table, and each table that needs inserting or updating gets a Save() method (which either does an InsertOnSubmit() or SubmitChanges(), depending on the state of the object). Often, when I need to represent a collection of records, I'll create a class that inherits from a List-like object of the atomic class. ex. public class CustomerCollection : CoreCollection<Customer> { } Recently, I was working on an application where end-users were experiencing slowness, where each of the objects needed to be saved to the database if they met a certain criteria. My Save() method was slow, presumably because I was making all kinds of round-trips to the server, and calling DataContext.SubmitChanges() after each atomic save. So, the code might have looked something like this foreach(Customer c in customerCollection) { if(c.ShouldSave()) { c.Save(); } } I worked through multiple strategies to optimize, but ultimately settled on passing a big string of data to a SQL stored procedure, where the string has all the data that represents the records I was working with - it might look something like this: CustomerID:34567;CurrentAddress:23 3rd St;CustomerID:23456;CurrentAddress:123 4th St So, SQL server parses the string, performs the logic to determine appropriateness of save, and then Inserts, Updates, or Ignores. With C#/Linq doing this work, it saved 5-10 records / s. When SQL does it, I get 100 records / s, so there is no denying the Stored Proc is more efficient; however, I hate the solution because it doesn't seem nearly as clean or safe. My real concern is that I don't have any better solutions that hold a candle to the performance of the stored proc solution. Am I doing something obviously wrong in how I'm thinking about designing database applications? Are there better ways of designing database applications?

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• Semantic Form Markup for Yes or No Questions - Or Should I Tell my Designers to Bugger Off?

  - by sholsinger

  I frequently receive mock-ups of HTML forms with the following prototype: Some long winded yes or no question?   (o) Yes   ( ) No The (o) and ( ) in this prototype represent radio buttons. My personal view is that if the question has only a true or false value then it should be a check box. That said, I have seen this sort of "layout" from almost every designer I've ever worked with. If I were not to question their decision, or question the client's decision, I'd probably mark it up like this: <p class="pseudo_label">Some long winded yes or no question?</p> <input type="radio" name="the_question" id="the_question_yes" value="1"> <label for="the_question_yes" class="after_radio">Yes</label> <input type="radio" name="the_question" id="the_question_no" value="0"> <label for="the_question_no" class="after_radio">No</label> I really don't want to do that. I want to push back and convince them that this should really be a check box and not two radio buttons. But my question is, if I can't convince them – you're welcome to help me try – how should I code that original design requirement such that it is semantic and at least understandable for screen reader users? If I were able to convince my tormentors to change their minds, I would likely code it in the following fashion: <label for="the_question">Some long winded yes or no question?</label> <input type="checkbox" name="the_question" id="the_question" value="1"> What do you think about this issue? Should I push back? Possibly more importantly is either way semantically correct?

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• CodePlex Daily Summary for Wednesday, December 29, 2010

  CodePlex Daily Summary for Wednesday, December 29, 2010Popular ReleasesDocX: DocX v1.0.0.11: Building Examples projectTo build the Examples project, download DocX.dll and add it as a reference to the project. OverviewThis version of DocX contains many bug fixes, it is a serious step towards a stable release. Added1) Unit testing project, 2) Examples project, 3) To many bug fixes to list here, see the source code change list history.Cosmos (C# Open Source Managed Operating System): 71406: This is the second release supporting the full line of Visual Studio 2010 editions. Changes since release 71246 include: Debug info is now stored in a single .cpdb file (which is a Firebird database) Keyboard input works now (using Console.ReadLine) Console colors work (using Console.ForegroundColor and .BackgroundColor)AutoLoL: AutoLoL v1.5.0: Added the all new Masteries Browser which replaces the Quick Open combobox AutoLoL will now attemt to create file associations for mastery (*.lolm) files Each Mastery Build can now contain keywords that the Masteries Browser will use for filtering Changed the way AutoLoL detects if another instance is already running Changed the format of the mastery files to allow more information stored in* Dialogs will now focus the Ok or Cancel button which allows the user to press Return to clo...Confree for Outlook: Confree for Outlook 1.0: Confree for OutlookFeaturesCreate a Claro/Telmex conference directly from Outlook (only works for Argentina). NotesBy now, only works with Claro/Telmex Argentina (if you are using http://simon.telmex.net.ar, we are good).Paint.NET PSD Plugin: 1.6.0: Handling of layer masks has been greatly improved. Improved reliability. Many PSD files that previously loaded in as garbage will now load in correctly. Parallelized loading. PSD files containing layer masks will load in a bit quicker thanks to the removal of the sequential bottleneck. Hidden layers are no longer made visible on save. Many thanks to the users who helped expose the layer masks problem: Rob Horowitz, M_Lyons10. Please keep sending in those bug reports and PSD repro files!Razor Templating Engine: Razor Templating Engine v1.2: Changes: ADDED: Standard namespaces imports for all templates: System, System.Collections.Generic, System.Linq (Changeset 5635) ADDED: Methods for Precompilation (Changeset 3283) CHANGED: Refactored precompilation to be exposed per-TemplateService. (Changeset 3440) CHANGED: Added more descriptive compilation exception message. (Changeset 3629) FIXED: Forced reference to Microsoft.CSharp to correct support for testing frameworks. (Changeset 3689) FIXED: Added support for nested anonymous obj...PhysicalMeasure C# library: PhysicalMeasure 1.0 Release 2010-12-28: PhysicalMeasure 1.0 Release 2010-12-28Facebook C# SDK: 4.1.1: From 4.1.1 Release: Authentication bug fix caused by facebook change (error with redirects in Safari) Authenticator fix, always returning true From 4.1.0 Release Lots of bug fixes Removed Dynamic Runtime Language dependencies from non-dynamic platforms. Samples included in release for ASP.NET, MVC, Silverlight, Windows Phone 7, WPF, WinForms, and one Visual Basic Sample Changed internal serialization to use Json.net BREAKING CHANGE: Canvas Session is no longer supported. Use Signed...MonitorWang: MonitorWang v1.0.5 (Growler): What's new?Added Growl Notification Finalisers - these are interceptor components that work exclusively with the Growl Publisher. These allow you to modify the Growl Notification just prior to it being sent by the publisher. You can inject custom logic to precisely control how the Growl Notification will appear; this includes changing the Growl Priority level and message text. I've created to two Growl Notification Finalisers - one allows you to change the Growl Notification Priorty based on ...Catel - WPF and Silverlight MVVM library: 1.0.0: And there it is, the final release of Catel, and it is no longer a beta version!EnhSim: EnhSim 2.2.7 ALPHA: 2.2.7 ALPHAThis release supports WoW patch 4.03a at level 85 To use this release, you must have the Microsoft Visual C++ 2010 Redistributable Package installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=A7B7A05E-6DE6-4D3A-A423-37BF0912DB84 To use the GUI you must have the .NET 4.0 Framework installed. This can be downloaded from http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9cfb2d51-5ff4-4491-b0e5-b386f32c0992 - Mongoose has bee...LINQ to Twitter: LINQ to Twitter Beta v2.0.19: Mono 2.8, Silverlight, OAuth, 100% Twitter API coverage, streaming, extensibility via Raw Queries, and added documentation. Bug fixes.Rocket Framework (.Net 4.0): Rocket Framework for Windows V 1.0.0: Architecture is reviewed and adjusted in a way so that I can introduce the Web version and WPF version of this framework next. - Rocket.Core is introduced - Controller button functions revisited and updated - DB is renewed to suite the implemented features - Create New button functionality is changed - Add Question Handling featuresFlickr Wallpaper Rotator (for Windows desktop): Wallpaper Flickr 1.1: Some minor bugfixes (mostly covering when network connection is flakey, so I discovered them all while at my parents' house for Christmas).NoSimplerAccounting: NoSimplerAccounting 6.0: -Fixed a bug in expense category report.NHibernate Mapping Generator: NHibernate Mapping Generator 2.0: Added support for Postgres (Thanks to Angelo)NewLife XCode: XCode v6.5.2010.1223 ????（????v3.5??）: XCode v6.5.2010.1223 ????，??： NewLife.Core ??? NewLife.Net ??? XControl ??? XTemplate ????，??C#?????? XAgent ???? NewLife.CommonEnitty ??????（???，XCode??????） XCode?? ?????????，??????????????????，?????95% XCode v3.5.2009.0714 ??，?v3.5?v6.0???????????????，?????????。v3.5???????????，??????????????。 XCoder ??XTemplate?????????，????????XCode??? XCoder_Src ???????（????XTemplate????），??????????????????VivoSocial: VivoSocial 7.4.0: Please see changes: http://support.vivoware.com/project/ChangeLog.aspx?PROJID=48Umbraco CMS: Umbraco 4.6 Beta - codename JUNO: The Umbraco 4.6 beta (codename JUNO) release contains many new features focusing on an improved installation experience, a number of robust developer features, and contains more than 89 bug fixes since the 4.5.2 release. Improved installer experience Updated Starter Kits (Simple, Blog, Personal, Business) Beautiful, free, customizable skins included Skinning engine and Skin customization (see Skinning Documentation Kit) Default dashboards on install with hide option Updated Login t...ASP.NET MVC SiteMap provider: MvcSiteMapProvider 2.3.0: Using NuGet?MvcSiteMapProvider is also listed in the NuGet feed. Learn more... Like the project? Consider a donation!Donate via PayPal via PayPal. Release notesThis will be the last release targeting ASP.NET MVC 2 and .NET 3.5. MvcSiteMapProvider 3.0.0 will be targeting ASP.NET MVC 3 and .NET 4 Web.config setting skipAssemblyScanOn has been deprecated in favor of excludeAssembliesForScan and includeAssembliesForScan ISiteMapNodeUrlResolver is now completely responsible for generating th...New Projects42 Sight Holistic Data Warehousing on Microsoft SQL Server 2008: This project is the Holistic DW Template. Included are the 3 MS XL spreadsheet reporting models as described in the book Holistic Data Warehousing. This Template is multi-purpose and requires no modification other than you populating it according to the book examplesAndshev.OrmTools: Tools for generating SQL queries using LINQ. ORM framework is also planned to be implemented.BFG and Dice Roller: This solution will contain 2 concepts, the Dice Roller with hooks for extension into other applications, as well as a Personal Battlefleet Gothic Helper application to help manage, control, and smoothe the flow of BFG games. The BFG application will target the Phone 7 platform.BlondieODOS: its an osBluehat Community projetcts: Bluehat Community projetcts.C# - DBWrapper MySQL: Abro aqui a discussão para criarmos uma classe para manipular dados em MySQL.CardGame for Education: This project goal is to create a small Card Game and to teach the team members how to design, implement and how to use "real world" tools. Englishlearning: My test project!Faran Silver: Silverlight Controls Developed till now. Include: 1- Persian Date Input 2- Close-able Tab Item 3- Shamsi Date Convertergocodelibrary: This is my project.Id3Stuff: Project that throws together some nice id3 mass editing functionsInfoStrat.OakFx: OakFx by InfoStratinivi: iniviJJODESK: This little utility software written in Vb.net 2.0, allows you to : - switch IE proxy, - manage IP, - launch website, - launch other utilty tools , - launch and manage cmd, bat, vbs script. - and much more ..... First I wrote this tool for my personal use, because I work with several networks, and customer sites. I think many other software developpers have the same need. All parameters are customisable, and are store in an ini text file. And it can run on an USB stick. learn MVC: Just keeping all source code in one place. Thats all folksLJF.Utility: Utility?????Lucidity: Lucid WILDMixModes Synergy - The WPF Toolkit: MixModes Synergy 2010 is a complete toolset that simplifies user interface development in Windows Presentation Foundation based applications. Synergy includes rich user interface controls providing professional look and feel for your applications out of the box.Multi Targetted Rss Reader: A Multi Targetted Rss Reader demo that shows how to multi target your view model across different screens (WP7, Silverlight, WPF, Surface).Secure Batch Command Tool For Administrators: A command line tool that will help you to protect your passwords that you should provide in your batch files. This tool encrypt Dos commands and update the batch files in a way that keeps your batch file maintainable and easy to use.SharePoint 2010 Conditional Lookup Control: I created a "Conditional Lookup" control for SharePoint 2010. With this you can connect two lookup fields controls on list forms to fill the second control with values depending on the selected value in the first control. There is a demo inside.sql dot: Ease when making a connection to the sql serverwolisbetter: WOL is better!WP7PasswordsBackup: backup/sync client for windows phone 7 passwords app. ??????: ??????

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• Introducing Programming To a Mathematician

  - by ell

  I currently am a programmer, I'm almost 16 years of age and have pretty much narrowed my careers down to something involving a Computer Science degree or Electrical Engineering degree (I know they are quite different but this question is about my friend) but my friend isn't so sure. He is very interested in maths and is very good at it and I think he would enjoy programming but he isn't willing to try it (edit he is willing to try but has never done before). Can anyone give me an suggestions for a language or tool that he could dabble in programming (at a reasonably basic level I assume) to solve maths problems or involve some kind of maths. As I say he enjoys maths a lot but I think he would enjoy programming, the problem is I don't want him to be put off by the stuff that isn't relevant at introductory levels such as memory allocation et al. I know that is very important but the point is that I want him to learn a bit of programming with maths then hopefully if he is interested enough he can start learning programming as programming. Thanks in advance, ell. Edit: Its not that he's completely uninterested - more that he hasn't actively explored the area before, maybe because he isn't informed about it. I wouldn't want to force him to do something he doesn't want to, I see this as more of a little push so that he can learn about programming. If he doesn't like it - fair enough, I can't control that and don't want to but if he turns out to enjoy it - this push will have been the right thing.

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• Swapping from NHibernate to Entity Framework &ndash; Sanity Check

  - by DesigningCode

  Now I’m not an expert in either of these techs.  I have a nice framework for unit of work / repository built with NHibernate.  Works pretty well.  I use FluentNhibernate to do the mappings.  Works well.  Takes very little code to get going with a DB back OO model. So why swap? Linq.  In Entity Framework you get much better linq support.  Visibility. I have no idea what's really happening with NHibernate….its a cloud of mystery most of the time.  You have to read all the blogs, mailing lists, etc to know what's going on. So, EF 4.0 looks like pretty good….  it has reasonably good support for mapping POCOs.  Wrapping UnitOfWork and Repository around it seems ok. Only thing I haven’t liked too much is having to explicitly load lazy loading entities. So…. am I sane?  is EF the way to go?  or is NHibernate going to suddenly release the next generation of coolness?  Is there any other major gotchas of using EF over NHibernate?

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• Work Item Keyboard Shortcuts, Resolving Mercurial Work Items, WikiPlex 2.0

  [Do you tweet? Follow us on Twitter @matthawley and @adacole_msft] We deployed the latest version of the CodePlex software yesterday. Keyboard Shortcuts With this release, we have added a set of keyboard shortcuts for common tasks in the Issue Tracker.  This feature is a popular request in the CodePlex Issue Tracker.  The CodePlex team visits the issue tracker frequently when researching and considering new features.  If you haven’t visited it recently, please take a few moments to log an idea or vote for the features you would most like to see implemented on CodePlex.   To view the available shortcuts, type ? from any page within the issue tracker to see this help dialog: You can see what each shortcut invokes below: Please give us feedback on this feature and let us know what additional shortcuts would be useful. Resolve Work Items When Pushing Mercurial Changes Another feature we added is the ability to resolve work items when push changes to your Mercurial repository, which has been available to our TFS / SVN users for quite some time. The required format is identical to the SVN format listed here. When committing your changes locally, add "Work Items: Id, AnotherId" to your commit message. When you push, CodePlex will detect this comment, add a commit message, and resolve the work item. WikiPlex Goes 2.0! CodePlex continues to improve WikiPlex, our open source wiki engine.  Wikiplex hit another major milestone today with the release of version 2.0!  We have added several new features, including:  interleaving ordered and unordered lists, specifying the height and width for images, a multi-line indentation macro, and a restructuring of some of the API. Visit Matt's announcement for more information on the release or grab the binaries via NuGet or CodePlex.

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• Semantic Form Markup for Yes or No Questions

  - by sholsinger

  I frequently receive mock-ups of HTML forms with the following prototype: Some long winded yes or no question?   (o) Yes   ( ) No The (o) and ( ) in this prototype represent radio buttons. My personal view is that if the question has only a true or false value then it should be a check box. That said, I have seen this sort of "layout" from almost every designer I've ever worked with. If I were not to question their decision, or question the client's decision, I'd probably mark it up like this: <p class="pseudo_label">Some long winded yes or no question?</p> <input type="radio" name="the_question" id="the_question_yes" value="1"> <label for="the_question_yes" class="after_radio">Yes</label> <input type="radio" name="the_question" id="the_question_no" value="0"> <label for="the_question_no" class="after_radio">No</label> I really don't want to do that. I want to push back and convince them that this should really be a check box and not two radio buttons. But my question is, if I can't convince them – you're welcome to help me try – how should I code that original design requirement such that it is semantic and at least understandable for screen reader users? If I were able to convince my tormentors to change their minds, I would likely code it in the following fashion: <label for="the_question">Some long winded yes or no question?</label> <input type="checkbox" name="the_question" id="the_question" value="1"> What do you think about this issue? Should I push back? Possibly more importantly is either way semantically correct? UPDATE: I have posted a related question on the UI SE per your suggestions. You can find it here: http://ui.stackexchange.com/q/3335/3493

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• CodePlex Daily Summary for Sunday, September 16, 2012

  CodePlex Daily Summary for Sunday, September 16, 2012Popular ReleasesVisual Studio Icon Patcher: VSIP-1.5.1: This fixes a bug in the 1.5 release where it would crash when no language packs were installed for VS2010.sheetengine - Isometric HTML5 JavaScript Display Engine: sheetengine v1.1.0: This release of sheetengine introduces major drawing optimizations. A background canvas is created with the full drawn scenery onto which only the changed parts are redrawn. For example a moving object will cause only its bounding box to be redrawn instead of the full scene. This background canvas is copied to the main canvas in each iteration. For this reason the size of the bounding box of every object needs to be defined and also the width and height of the background canvas. The example...VFPX: Desktop Alerts 1.0.2: This update for the Desktop Alerts contains changes to behavior for setting custom sounds for alerts. I have removed ALERTWAV.TXT from the project, and also removed DA_DEFAULTSOUND from the VFPALERT.H file. The AlertManager class and Alert class both have a "default" cSound of ADDBS(JUSTPATH(_VFP.ServerName))+"alert.wav" --- so, as long as you distribute a sound file with the file name "alert.wav" along with the EXE, that file will be used. You can set your own sound file globally by setti...MCEBuddy 2.x: MCEBuddy 2.2.15: Changelog for 2.2.15 (32bit and 64bit) 1. Added support for %originalfilepath% to get the source file full path. Used for custom commands only. 2. Added support for better parsing of Media Portal XML files to extract ShowName and Episode Name and download additional details from TVDB (like Season No, Episode No etc). 3. Added support for TVDB seriesID in metadata 4. Added support for eMail non blocking UI testCrashReporter.NET : Exception reporting library for C# and VB.NET: CrashReporter.NET 1.2: *Added html mail format which shows hierarchical exception report for better understanding.DotNetNuke Search Engine Sitemaps Provider: Version 02.00.00: New release of the Search Engine Sitemap Providers New version - not backwards compatible with 1.x versions New sandboxing to prevent exceptions in module providers interfering with main provider Now installable using the Host->Extensions page New sitemaps available for Active Forums and Ventrian Property Agent Now derived from DotNetNuke Provider base for better framework integration DotNetNuke minimum compatibility raised to DNN 5.2, .NET to 3.5PDF Viewer Web part: PDF Viewer Web Part: PDF Viewer Web PartMicrosoft Ajax Minifier: Microsoft Ajax Minifier 4.67: Fix issue #18629 - incorrectly handling null characters in string literals and not throwing an error when outside string literals. update for Issue #18600 - forgot to make the ///#DEBUG= directive also set a known-global for the given debug namespace. removed the kill-switch for disregarding preprocessor define-comments (///#IF and the like) and created a separate CodeSettings.IgnorePreprocessorDefines property for those who really need to turn that off. Some people had been setting -kil...MPC-BE: Media Player Classic BE 1.0.1.0 build 1122: MPC-BE is a free and open source audio and video player for Windows. MPC-BE is based on the original "Media Player Classic" project (Gabest) and "Media Player Classic Home Cinema" project (Casimir666), contains additional features and bug fixes. Supported Operating Systems: Windows XP SP2, Vista, 7 32bit/64bit System Requirements: An SSE capable CPU The latest DirectX 9.0c runtime (June 2010). Install it regardless of the operating system, they all need it. Web installer: http://www.micro...Preactor Object Model: Visual Studio Template .NET 3.5: Visual Studio Template with all the necessary files to get started with POM. You will still need to Get the Preactor.ObjectModel and Preactor.ObjectModleExtensions libraries from Nuget though. You will also need to sign with assembly with a strong name key.Lakana - WPF Framework: Lakana V2: Lakana V2 contains : - Lakana WPF Forms (with sample project) - Lakana WPF Navigation (with sample project)Microsoft SQL Server Product Samples: Database: OData QueryFeed workflow activity: The OData QueryFeed sample activity shows how to create a workflow activity that consumes an OData resource, and renders entity properties in a Microsoft Excel 2010 worksheet or Microsoft Word 2010 document. Using the sample QueryFeed activity, you can consume any OData resource. The sample activity uses LINQ to project OData metadata into activity designer expression items. By setting activity expressions, a fully qualified OData query string is constructed consisting of Resource, Filter, Or...YTNet: YTNet Version 1.0: YT Net Version 1.0 The first release of the YT Net library. This release supports: - Searching YouTube videos by title - Loading the different versions of a video, ordered by the itag value - Downloading videos The release is well tested witch a bunch of unit tests and two sample applications (A Console and a WPF application).F# 3.0 Sample Pack: FSharp 3.0 Sample Pack for Visual Studio 2012 RTM: F# 3.0 Sample Pack for Visual Studio 2012 RTMANPR MX: ANPR_MX Release 1: ANPR MX Release 1 Features: Correctly detects plate area. Provides potential values for the recognized plate. Allows images 800x600 and below.Cocktail: Cocktail v1.0.1: PrerequisitesVisual Studio 2010 with SP1 (any edition but Express) Optional: Silverlight 4 or 5 Note: Install Silverlight 4 Tools and then the Silverlight 4 Toolkit. Likewise for Silverlight 5 Tools and the Silverlight 5 Toolkit DevForce Express 6.1.8.1 or greater Included in the Cocktail download, DevForce Express requires registration) Important: Install DevForce after all other components. Download contentsDebug and release assemblies API documentation Source code Licens...weber: weber v0.1: first release, creates a basic browser shell and allows user to navigate to web sites.Arduino for Visual Studio: Arduino 1.x for Visual Studio 2012, 2010 and 2008: Register for the forum for more news and updates Version 1209.15 is beta and resolves a number of issues in Visual Studio 2012 and minor debugger fixes for all vs versions. After you have tested a working installation, if you would like to beta the debug tool then email beta at visualmicro.com. Version 1208.19 (click the downloads tab) is considered stable for visual studio 2010 and 2008. Key Features of 1209.10 Support for Visual Studio 2012 (.NET 4.5) Debug tools beta team can re-e...AcDown????? - AcDown Downloader Framework: AcDown????? v4.1: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??...Move Mouse: Move Mouse 2.5.2: FIXED - Minor fixes and improvements.New ProjectsBadoev1Lab: ???? ?? ??????? ?????????Banking.NET: Banking.NET is a .NET 4 based Home - Banking Application.ColdFire Studio Macro Assembler and Simulator: Integrated ColdFire MCUs macro assembler and simulator. Write programs in ColdFire assembly or load binary code and test them in a simulator. Eve Galaxy Map: EGM provides an API for the host application to visualize data across a 3D rendering of the Eve Online universe, similar to the in-game Star Map.Hamaazan (Rated): hamaazan website + robotHBCI.NET: HBCI.NET is a .NET 3.5 Library, which communicates with your bank account via HBCI 2.2, FinTS 3.0 and 4.0Http Explorer: A GUI for crafting and submitting http requests and viewing the resulting response.LINQ for C++: LINQ for C++ is an attempt to bring LINQ-like list manipulation to C++11.mroftalpdxs: I WANT TO TEST THE POSSILITY OF PUBLICATTION OF THE DOCUMMMENET.my-secondlib: This is Win 8 Test Code RepoNET Library to interface with Zephyr Bluetooth Heart Rate Monitor: .NET Library for interfacing to Zephyr Heart Rate MonitorPkuBookStore: PkuBookStoreSmallTune: SmallTune is an audioplayer with a long tradition, being completely rewritten and redesigned by now.Taylor's Professional Services: CIS470 Team B Senior ProjectTFS Test Case Review: Provides a means to review Test Cases created in Microsoft Test Manager in a clean, easy-to-read interface.Visual Studio 2012 all caps menu option: A Visual Studio 2012 add-in that allows the user to turn all caps in menu titles on and off in the Visual Studio options dialog. XNA Map Editor: This is a Map Editor that is still in development. It's a map editor for a 2D Platformer. Grid tile placement,loading tiles and objects Made with XNA and C#.

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• Recording custom variables to identify individual users with Google Analytics

  - by mrtsherman

  I have been asked by our marketing department to add Google Analytics custom variable tracking to my company's website. As the website uses server side includes, modifications to the tracking tag roll out globally - maintenance is therefore a headache! So, if I add the following code (keeping in mind SSI so every page has the same code): // visitor level tracking, id = 12345 // Record a unique id for each visitor. When they return also track this id _gaq.push(['_setCustomVar', 1, 'id', '12345', 1]); // page level tracking // If the user signs up for our newsletter we set newsletter to true // Each page they subsequently visit should also mark this as true _gaq.push(['_setCustomVar', 1, 'newsletter', 'true', 1]); I don't use GA and the marketing people don't use custom variables, so we don't actually know how or if this will work. Therefore my questions are:- Do I want Page, Session or Visitor level tracking? What happens when the same code is used on every page? Can GA 'overwrite' a setting. For example, if I set newsletter to true on page X and then user navigates to page Y, will the variable also be marked there?

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• CodePlex Daily Summary for Saturday, September 15, 2012

  CodePlex Daily Summary for Saturday, September 15, 2012Popular ReleasesMCEBuddy 2.x: MCEBuddy 2.2.15: Changelog for 2.2.15 (32bit and 64bit) 1. Added support for %originalfilepath% to get the source file full path. Used for custom commands only. 2. Added support for better parsing of Media Portal XML files to extract ShowName and Episode Name and download additional details from TVDB (like Season No, Episode No etc). 3. Added support for TVDB seriesID in metadata 4. Added support for eMail non blocking UI testCrashReporter.NET : Exception reporting library for C# and VB.NET: CrashReporter.NET 1.2: *Added html mail format which shows hierarchical exception report for better understanding.VCC: Latest build, v2.3.00914.0: Automatic drop of latest buildScarlet Road: Scarlet Road Test Build 007: Playable game. Includes source.DotNetNuke Search Engine Sitemaps Provider: Version 02.00.00: New release of the Search Engine Sitemap Providers New version - not backwards compatible with 1.x versions New sandboxing to prevent exceptions in module providers interfering with main provider Now installable using the Host->Extensions page New sitemaps available for Active Forums and Ventrian Property Agent Now derived from DotNetNuke Provider base for better framework integration DotNetNuke minimum compatibility raised to DNN 5.2, .NET to 3.5PDF Viewer Web part: PDF Viewer Web Part: PDF Viewer Web PartChris on SharePoint Solutions: View Grid Banding - v1.0: Initial release of the View Creation and Management Page Column Selector Banding solution.$linq - A Javascript LINQ library: Version 1.0: Version 1.0 Initial releasePowerConverter: PowerConverter Beta: This is the first release of PowerConverter. Allows for converting PE code to Power code.NetView Control for Microsoft Access: DevVersion 19852 - More Databinding and Resizing: NetView Renamed event GotFocus to Clicked Added events Clicked/DoubleClicked Added event BackgroundDoubleClicked Changed nomenclature for world coordinates to (Position1, Position2)|Extent1xExtent2 Renamed Locked -> Readonly Added properties Minimum1/Maximum1 and Minimum2/Maximum2 Removed NetView.DeviceDefinitionArea, obsolete properties Support for resizing Added properties BackColor and BorderColor NetView Properties form added binding field for BusinessId propagate erro...Runtime Dynamic Data Model Builder: Main Library Version 1.0.0.0: Main Library Version 1.0.0.0Microsoft Ajax Minifier: Microsoft Ajax Minifier 4.67: Fix issue #18629 - incorrectly handling null characters in string literals and not throwing an error when outside string literals. update for Issue #18600 - forgot to make the ///#DEBUG= directive also set a known-global for the given debug namespace. removed the kill-switch for disregarding preprocessor define-comments (///#IF and the like) and created a separate CodeSettings.IgnorePreprocessorDefines property for those who really need to turn that off. Some people had been setting -kil...Lakana - WPF Framework: Lakana V2: Lakana V2 contains : - Lakana WPF Forms (with sample project) - Lakana WPF Navigation (with sample project)Microsoft SQL Server Product Samples: Database: OData QueryFeed workflow activity: The OData QueryFeed sample activity shows how to create a workflow activity that consumes an OData resource, and renders entity properties in a Microsoft Excel 2010 worksheet or Microsoft Word 2010 document. Using the sample QueryFeed activity, you can consume any OData resource. The sample activity uses LINQ to project OData metadata into activity designer expression items. By setting activity expressions, a fully qualified OData query string is constructed consisting of Resource, Filter, Or...Arduino for Visual Studio: Arduino 1.x for Visual Studio 2012, 2010 and 2008: Register for the visualmicro.com forum for more news and updates Version 1209.10 includes support for VS2012 and minor fixes for the Arduino debugger beta test team. Version 1208.19 is considered stable for visual studio 2010 and 2008. If you are upgrading from an older release of Visual Micro and encounter a problem then uninstall "Visual Micro for Arduino" using "Control Panel>Add and Remove Programs" and then run the install again. Key Features of 1209.10 Support for Visual Studio 2...Social Network Importer for NodeXL: SocialNetImporter(v.1.5): This new version includes: - Fixed the "resource limit" bug caused by Facebook - Bug fixes To use the new graph data provider, do the following: Unzip the Zip file into the "PlugIns" folder that can be found in the NodeXL installation folder (i.e "C:\Program Files\Social Media Research Foundation\NodeXL Excel Template\PlugIns") Open NodeXL template and you can access the new importer from the "Import" menuAcDown????? - AcDown Downloader Framework: AcDown????? v4.1: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??...Move Mouse: Move Mouse 2.5.2: FIXED - Minor fixes and improvements.MVC Controls Toolkit: Mvc Controls Toolkit 2.3: Added The new release is compatible with Mvc4 RTM. Support for handling Time Zones in dates. Specifically added helper methods to convert to UTC or local time all DateTimes contained in a model received by a controller, and helper methods to handle date only fileds. This together with a detailed documentation on how TimeZones are handled in all situations by the Asp.net Mvc framework, will contribute to mitigate the nightmare of dates and timezones. Multiple Templates, and more options to...DNN Metro7 style Skin package: Metro7 style Skin for DotNetNuke 06.02.00: Maintenance Release Changes on Metro7 06.02.00 Fixed width and height on the jQuery popup for the Editor. Navigation Provider changed to DDR menu Added menu files and scripts Changed skins to Doctype HTML Changed manifest to dnn6 manifest file Changed License to HTML view Fixed issue on Metro7/PinkTitle.ascx with double registering of the Actions Changed source folder structure and start folder, so the project works with the default DNN structure on developing Added VS 20...New ProjectsBizTalk Zombie Management: A powerful tool to handle zombie. As a service you can monitor all zombie instance and process them. For the moment only file is supporting.bxkw8: oooooooooooh long johnsonCellularSolver: The main idea of a this project - create cellular automation (CA) simulation system. We try to reduce ODE/PDE/Integral Equations models to CA-modelEAWebService: EAWebService is web service that executes parallel evolutionary algorithm. Finite Element Method Samples with C#: Finite Element Method Samples with C# Game Jolt C# Trophy API: The Game Jolt Trophy API provides dotNET developers with access to the Game Jolt services including Trophies, High Scores, Data Storage and many more.GNSystem: GNSystem is a simple (yet, no so elegant) Web-Application which contains a Forum system and a CMS\Blog system. GNSystem is written in ASP.Net MVC 4 using C#Hospital Management System (HMS): HMS is a software basically working to make the hospital management much easier and fasterInfinity - WPF.MVC: Framework for WPF/SL/WinFormsKindle: Kindle PublisherMetroCash: A personal finance management programmetroCIS: metroCIS - Eine open-source Anwendung für Windows8 Verwalte dein Studium an der FH Technikum Wien mit dieser App und erleichter dir damit dein Studentenleben.MTAC: MTAC, for My Tfs Administration Center, is a centralized administration tool for TFSMyStart: Create an Open Source implementation of the Windows Start Menu (based initially on Windows 7), to be used on Windows 8.NLite Data Framework: NLite Linq ORM frameworkPDF Viewer Web part: Here now presenting PDF Viewer web part solution with code. Project91405: dfgfdgfdrProject91407: awqwqProject91407M: 111Purchasesales(??????): a simple Sales Manage Project.QueryOver Specification: A simple implementation of the Specification Pattern using NHibernate QueryOver.Shopping Analytics: Esta aplicacion muestra como aprovechar diversas caracteristicas de la plataforma Windows Phone.simbo: Simbo is a simple, fun app for sharing small notes with friends where many of the concepts in your note can be represented by a symbols.SISLOG: El sistema de logística SISLOG es un software que cual será capaz de automatizar y optimizar los procesos que se llevan a cabo en el área de logística.SQL Server Scripts - A RSSUG CodePlex Project: The SQL Server Scripts project is dedicated to supplying high quality scripts to help with the maintenance and development of SQL Server in every environment.Talqum.League: Talqum.League is a League organisator and statistics app.The Pratoriate Foundation: used for all software dev projects for the non profit Pratoriate Foundation.

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• What benefits can I get upgrading my ASP.NET (Webform) + DAL(EF) + Repository + BLL structure to MVC?

  - by Etienne

  I'm in the process of defining an approach that may best fit our needs for a big web application development. For now, I'm thinking going with an ASP.NET Architecture with a DAL using Entity Framework, a Repository concept to not access DAL directly from BLL and a BLL that call the repository and make every manipulations necessary to prepare data to push in a presentation layer (.aspx files). I don't plan to use ASP.Net controls and prefer to keep things simple and lightweight using plain html, jQuery UI controls and do most of the server calls with jQuery Ajax. Sometimes, when needed, I plan to use handlers (.ashx) to call BLL methods that will return JSON or HTML to client for dynamic stuff. My solution also has a test project that Mock the Repository with in-memory data to not repose on database for testing BLL methods... It may be usefull to add that we will build a big application over this architecture with hundreds of tables and store procedures with a lot of reading and writing to database. My question is, having this architecture in mind, Is there any evident advantages that I can obtain by using an MVC3 project instead of the described architecture base on Webform? Do you see any problem in this architecture that may cause us problem during the next steps of development? I know the MVC pattern for using it in others projects with Django... but the Microsoft MVC implementation look so much more complex and verbose than Django MVC and it's why I'm hesitating (or waiting for a little push?) right now before jumping into it... We are in a real project with deadlines and don't want to slow the development process without any real benefits.

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• Stacks in C++

  - by MarkPearl

  So some more basics… One of the things you will be taught at any college after conquering arrays is different derivatives of collections. Stack is one of the simplest of those and very useful… A stack is a LIFO (last in first out) data structure and has at least two basic method calls – push & pop. Push, “pushes” an item on the top of the stack. Pop, removes the top most item off the stack. Because all elements on a stack are of the same type, one can use an array to implement a stack or a linked list. With the array based approach, the first element in a stack would be the first element in the array, the second on the stack would be the second on the array, etc. One limitation with an array implementation of a stack is that unless the array is dynamic, one would have to have a preset max stack size (based on the bounds of the array). Linked lists is another approach that gets past this boundary by allowing you to dynamically grow or shrink a collection of data. Stacks have many applications… a typical computer science example would be Postfix Expression Calculator, where the LIFO principle is maintained.

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• What would be a good filter to create 'magnetic deformers' from a depth map?

  - by sebf

  In my project, I am creating a system for deforming a highly detailed mesh (clothing) so that it 'fits' a convex mesh. To do this I use depth maps of the item and the 'hull' to determine at what point in world space the deviation occurs and the extent. Simply transforming all occluded vertices to the depths as defined by the 'hull' is fairly effective, and has good performance, but it suffers the problem of not preserving the features of the mesh and requires extensive culling to avoid false-positives. I would like instead to generate from the depth deviation map a set of simple 'deformers' which will 'push'* all vertices of the deformed mesh outwards (in world space). This way, all features of the mesh are preserved and there is no need to have complex heuristics to cull inappropriate vertices. I am not sure how to go about generating this deformer set however. I am imagining something like an algorithm that attempts to match a spherical surface to each patch of contiguous deviations within a certain range, but do not know where to start doing this. Can anyone suggest a suitable filter or algorithm for generating deformers? Or to put it another way 'compressing' a depth map? (*Push because its fitting to a convex 'bulgy' humanoid so transforms are likely to be 'spherical' from the POV of the surface.)

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• 12.04 update crash, now cannot boot

  - by EdW

  Boot now freezes the system at the "Ubuntu purple screen" with the 5 dots under it. I cannot even CTRL-ALT-F1 to get to an alternate console. Have to push reset button on computer to reboot. After the 12.04 update crash, the system would boot, but I had no icons and no launch bar and errors about missing dependencies. CTRL-ALT-F1 and ran apt-get -f install and it appeared to get the missing packages. I followed with a apt-get update; apt-get upgrade. It appeared to install all of the remaining 12.04 update packages. Rebooted to same blank screen - no icons, but got a compiz error. In console I tried "unity --reset" rebooted ... Nothing ... It's dead in the water. Tried to boot into Recovery Mode - black screen - I cannot even CTRL-ALT-Del - have to push reboot button. Fortunately, I have Mint on another partition and I can access the broken 12.04 partition. Ideas? I can back up all of my folders using Mint, but I would hate to have to do a new install.

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• Is this an acceptable approach to undo/redo in Python?

  - by Codemonkey

  I'm making an application (wxPython) to process some data from Excel documents. I want the user to be able to undo and redo actions, even gigantic actions like processing the contents of 10 000 cells simultaneously. I Googled the topic, and all the solutions I could find involves a lot of black magic or is overly complicated. Here is how I imagine my simple undo/redo scheme. I write two classes - one called ActionStack and an abstract one called Action. Every "undoable" operation must be a subclass of Action and define the methods do and undo. The Action subclass is passed the instance of the "document", or data model, and is responsible for committing the operation and remembering how to undo the change. Now, every document is associated with an instance of the ActionStack. The ActionStack maintains a stack of actions (surprise!). Every time actions are undone and new actions are performed, all undone actions are removed for ever. The ActionStack will also automatically remove the oldest Action when the stack reaches the configurable maximum amount. I imagine the workflow would produce code looking something like this: class TableDocument(object): def __init__(self, table): self.table = table self.action_stack = ActionStack(history_limit=50) # ... def delete_cells(self, cells): self.action_stack.push( DeleteAction(self, cells) ) def add_column(self, index, name=''): self.action_stack.push( AddColumnAction(self, index, name) ) # ... def undo(self, count=1): self.action_stack.undo(count) def redo(self, count=1): self.action_stack.redo(count) Given that none of the methods I've found are this simple, I thought I'd get the experts' opinion before I go ahead with this plan. More specifically, what I'm wondering about is - are there any glaring holes in this plan that I'm not seeing?

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• How do install Ubuntu from a USB stick?

  - by Sophia

  When I go to the boot menu on my computer and select USB stick, the screen goes black and there comes a flickering underline. Like I could write something. But I can't. Whatever I push, nothing happens. Except the PrintScrn/SysRq button. When I push it, mu computer beeps. I get no choose menu. Nothing. I found out the usb stick is in msdos format. So what format should I use and how can I format it? I am not a computer geek who knows everything. I'm just a beginner. And only 16 years old. I've got a new problem. The screen isn't black anymore. Now there comes an error message: SYSLINUX 4.04 CHS 20110518 Copyright (C) 1994-2011 H.Peter Anvin et al ERROR:No configurationfile found No DEFAULT or UI configuration directive found! boot: And when I write something: boot:example Could not find kernel image:example boot: Why does this fail all the time? ps. I'm using Ubuntu Oneiric 11.10.

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• Need help with ColdFusion and ASP.NET site [closed]

  - by Michael Stone

  To begin, I wasn't too sure how to title this.. I've got a few questions. First off, I've got a very big site that's in ColdFusion and we've been migrating to ASP.NET C# 4.0 the last 8 months. I've got a team of 7 programmers and no one can seem to figure out these answers, not even our senior C# programmer. We're using Team Foundation Server and we can't figure out how to only push up one small change at time. Right now we're stuck to publishing the entire site and it's causing serious issues. We've currently got the site as a Project and not a Website. We're wondering if that's one issue. I actually think it might be a problem. We're also dealing with an issue where we can't access our regular folders with relative paths. So we're first developing our admin side in .NET and We've got our regular site and then we've got another site within that for our .NET admin tools. By site, I'm referring to them actually being Sites in IIS. This also creates a problem for us when we're creating tools that upload images and want to store them and access them from our parent Site. I'd very much appreciate any advice on how to go about this in the most standardized way. So what I'm hoping for is advise on: -Publishing and managing a site/project in Team Foundation Server. Being able to push up one fix at a time if needed would be GREAT! -Any help figuring out the issuing referencing folders from my .NET child site to my parent ColdFusion site using regular relative paths. "/a/images/b/" would be nice nice instead of only being able to do "/b/images/" We're using ColdFusion 8, C# Asp.NET 4.0/Entity Framework/POCO Templates, and a Windows 2008 R2 Server. Thank you in advance for any help.

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• FREE three days of online SharePoint 2010 development training for UK software houses Feb 9th to 11th

  - by Eric Nelson

  I have been working to get a SharePoint development course delivered online in February and March – online means lots of opportunities to ask questions. The first dates are now in place. The training is being delivered as a benefit for companies signed up to Microsoft Platform Ready. It is intended for UK based companies who develop software products* Agenda: Day 1 (Live Meeting 3 hours) 1:30 - 4:30 •         Getting Started with SharePoint: Understand why and how to start developing for SharePoint 2010 •         SharePoint 2010 Developer Roadmap:  Explore the new capabilities and features •         UI Enhancements: How to take advantage of the many UI enhancements including the fluent UI ribbon and  extensible dialog system. Day 2 (Live Meeting 3 hours) 1:30 - 4:30 •         Visual Studio 2010 Tools for SharePoint 2010: Overview of the project and item templates and a walkthrough of the designers •         Sandboxed Solutions: The new deployment model can help mitigate the risk of deploying custom code   •         LINQ to SharePoint:  SharePoint now fully supports LINQ for querying lists Day 3 (Live Meeting 3 hours) 1:30 - 4:30 •         Client Object Model: The Client OM can be accessed via web services, via a client (JavaScript) API, and via REST •         Accessing External Data: Business Connectivity Services (BCS) enables integration with back end systems •         Workflow: A powerful mechanism to create functionality using Windows Workflow Foundation Register for FREE (and tell your colleagues – we have a pretty decent capacity) To take advantage of this you need to: Sign your company up to Microsoft Platform Ready and record your SharePoint interest against one of your companies products Read about Microsoft Platform Ready Navigate to the “Get Technical Benefits” tab for SharePoint and click on Register Today You will then ultimately get an email with details of the Live Meeting to join on the 9th. But you should also favourite the team blog for any last minute details * Such companies are often referred to as an Independent Software Vendors. My team is focused on companies that create products used by many other companies or individuals. That could be a packaged product you can buy "off the shelf" or a Web Site offering a service - the definition is actually pretty wide these days :-) What it does not include is a company building software which will only be used by its own people.

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• How to remove the last character from Stringbuilder

  - by hmloo

  We usually use StringBuilder to append string in loops and make a string of each data separated by a delimiter. but you always end up with an extra delimiter at the end. This code sample shows how to remove the last delimiter from a StringBuilder. using System; using System.Collections.Generic; using System.Text; using System.Linq; class Program { static void Main() { var list =Enumerable.Range(0, 10).ToArray(); StringBuilder sb = new StringBuilder(); foreach(var item in list) { sb.Append(item).Append(","); } sb.Length--;//Just reduce the length of StringBuilder, it's so easy Console.WriteLine(sb); } } //Output : 0,1,2,3,4,5,6,7,8,9 Alternatively,  we can use string.Join for the same results, please refer to blow code sample. using System; using System.Collections.Generic; using System.Text; using System.Linq; class Program { static void Main() { var list = Enumerable.Range(0, 10).Select(n => n.ToString()).ToArray(); string str = string.Join(",", list); Console.WriteLine(str); } }

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• Google Analytics Social Tracking implementation. Is Google's example correct?

  - by s_a

  The current Google Analytics help page on Social tracking (developers.google.com/analytics/devguides/collection/gajs/gaTrackingSocial?hl=es-419) links to this page with an example of the implementation: http://analytics-api-samples.googlecode.com/svn/trunk/src/tracking/javascript/v5/social/facebook_js_async.html I've followed the example carefully yet social interactions are not registered. This is the webpage with the non-working setup: http://bit.ly/1dA00dY (obscured domain as per Google's Webmaster Central recommendations for their product forums) This is the structure of the page: In the : ga async code copied from the analytics' page a script tag linking to stored in the same domain. the twitter js loading tag In the the fb-root div the facebook async loading js including the _ga.trackFacebook(); call the social buttons afterwards, like so: (with the proper URL) Tweet (with the proper handle) That's it. As far as I can tell, I have implemented it exactly like in the example, but likes and twitts aren't registered. I have also altered the ga_social_tracking.js to register the social interactions as events, adding the code below. It doesn't work either. What could be wrong? Thanks! Code added to ga_social_tracking.js var url = document.URL; var category = 'Social Media'; /* Facebook */ FB.Event.subscribe('edge.create', function(href, widget) { _gaq.push(['_trackEvent', category, 'Facebook', url]); }); /* Twitter */ twttr.events.bind('tweet', function(event) { _gaq.push(['_trackEvent', category, 'Twitter', url]); });

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• Why do VMs need to be "stack machines" or "register machines" etc.?

  - by Prog

  (This is an extremely newbie-ish question). I've been studying a little about Virtual Machines. Turns out a lot of them are designed very similarly to physical or theoretical computers. I read that the JVM for example, is a 'stack machine'. What that means (and correct me if I'm wrong) is that it stores all of it's 'temporary memory' on a stack, and makes operations on this stack for all of it's opcodes. For example, the source code 2 + 3 will be translated to bytecode similar to: push 2 push 3 add My question is this: JVMs are probably written using C/C++ and such. If so, why doesn't the JVM execute the following C code: 2 + 3..? I mean, why does it need a stack, or in other VMs 'registers' - like in a physical computer? The underlying physical CPU takes care of all of this. Why don't VM writers simply execute the interpreted bytecode with 'usual' instructions in the language the VM is programmed with? Why do VMs need to emulate hardware, when the actual hardware already does this for us? Again, very newbie-ish questions. Thanks for your help

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• Working with Git on multiple machines

  - by Tesserex

  This may sound a bit strange, but I'm wondering about a good way to work in Git from multiple machines networked together in some way. It looks to me like I have two options, and I can see benefits on both sides: Use git itself for sharing, each machine has its own repo and you have to fetch between them. You can work on either machine even if the other is offline. This by itself is pretty big I think. Use one repo that is shared over the network between machines. No need to do git pulls every time you switch machines, since your code is always up to date. Never worry that you forgot to push code from your other non-hosting machine, which is now out of reach, since you were working off a fileshare on this machine. My intuition says that everyone generally goes with the first option. But the downside I see is that you might not always be able to access code from your other machines, and I certainly don't want to push all my WIP branches to github at the end of every day. I also don't want to have to leave my computers on all the time so I can fetch from them directly. Lastly a minor point is that all the git commands to keep multiple branches up to date can get tedious. Is there a third handle on this situation? Maybe some third party tools are available that help make this process easier? If you deal with this situation regularly, what do you suggest?

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