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• Joda time : How to convert String to LocalDate?

  - by bsreekanth

  Hello, How to specify the format string to convert the date alone from string. In my case, only the date part is relevant Constructing it as DateTime fails: String dateString = "2009-04-17"; DateTimeFormatter formatter = DateTimeFormat.forPattern("yyyy-MM-dd"); DateTime dateTime = formatter.parseDateTime(dateString); with error java.lang.IllegalArgumentException: Invalid format: "2011-04-17" is too short Probably because I should use LocalDate instead. But, I do not see any formatter for LocalDate . What is the best way to convert String dateString = "2009-04-17"; into LocalDate (or something else if that is not the right representation) thanks...

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• MSBuild Override Project Reference to resolve to Precompiled Assembly

  - by Ryu

  Situation I have about 400 csproj files using project references. About 3 of those a separate team wants to fork and incorporate into a standalone app. I branched the 3 projects of interest, and because the separate team uses a diff SVN repo I used svn externals to pull in these projects into the folder of the standalone app. Obviously since this team uses a different folder structure the project references no longer resolve. Attempted Solution I figured setting the msbuild properties ReferencePath and AdditionalLibPaths to point to a directory with all the precompiled dependencies would allow the project references a fallback point and resolve correctly. However that doesn't appear to be the case. Question Does anybody know a way to have a failed projectreference look up resolve to the precompiled dll? Perhaps point me to an automated tool to convert projectreferences to dll references? Or is there a better way to solve this problem? Thanks

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• Proper indentation in array initialization, PDT/Zend Studio

  - by Sergei Stolyarov

  I'm using the following style of array initialization in the code: $a = array( 'one' => 123, 'two' => 456 ); But PDT/Zend Studio doesn't work properly in this case; after pressing [Return] key it places cursor under the $a (in my example) and ignores indentation. If array keys are numbers (at least not start with quotation marks) everything is working fine. This is how it works currently (| — is a position where edtitor places caret after pressing [Return]) $a = array( 'one' => 123,[RETURN] | ); This is expected result: $a = array( 'one' => 123,[RETURN] | ); So is it possible to force editor follow my indentation rules?

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• How to organize a large number of objects

  - by shane

  We have a large number of documents and metadata (xml files) associated with these documents. What is the best way to organize them? Currently we put them into a series of nested folders: /repository/category/date(when they were loaded into our db)/document_number.pdf and .xml We use the path as a unique identifier for the document in our system. This is more versatile than putting them all in a single flat folder. also it is independent from our database/application, so we can reload them in case of failure. Yet, it introduces some limitations. for example we can't move the files once they've been placed in this structure, also it takes work to put them this way. What is the best practice? How websites such as Scribd deal with this problem?

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• Event Capturing vs Event Bubbling

  - by Rajat

  I just wanted to get the general consensus on which is a better mode of event delegation in JS between bubbling and capturing. Now I understand that depending on a particular use-case, one might want to use capturing phase over bubbling or vice versa but I want to understand what delegation mode is preferred for most general cases and why (to me it seems bubbling mode). Or to put it in other words, is there a reason behind W3C addEventListener implementation to favor the bubbling mode. [capturing is initiated only when you specify the 3rd parameter and its true. However, you can forget that 3rd param and bubbling mode is kicked in] I looked up the JQuery's bind function to get an answer to my question and it seems it doesn't even support events in capture phase (it seems to me because of IE not support capturing mode). So looks like bubbling mode is the default choice but why?

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• What useful GDB scripts have you used/written?

  - by nik

  People use gdb on and off for debugging, of course there are lots of other debugging tools across the varied OSes, with and without GUI and, maybe other fancy IDE features. I would like to know what useful gdb scripts you have written and liked. While, I do not mean a dump of commands in a something.gdb file that you source to pull out a bunch of data, if that made your day, go ahead and talk about it. Lets think conditional processing, control loops and functions written for more elegant and refined programming to debug and, maybe even for whitebox testing Things get interesting when you start debugging remote systems (say, over a serial/ethernet interface) And, what if the target is a multi-processor (and, multithreaded) system Let me put a simple case as an example... Say, A script that traversed serially over entries to locate a bad entry in a large hash-table that is implemented on an embedded platform. That helped me debug a broken hash-table once.

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• Tips for resolving Hibernate/JPA EntityNotFoundException

  - by Damo

  I'm running into a problem with Hibernate where when trying to delete a group of Entities I encounter the following error: javax.persistence.EntityNotFoundException: deleted entity passed to persist: [com.locuslive.odyssey.entity.FreightInvoiceLine#<null>] These are not normally so difficult to track down as they are usually caused by an entity being deleted but not being removed from a Collection that it is a member of. In this case I have removed the entity from every list that I can think of (it's a complex datamodel). I've put JBoss logging into Trace and I can see the collections that are being cascaded. However I can't seem to find the Collection containing the entity that I'm deleting. Does anyone have any tips for resolving this particular Exception? Thanks.

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• Is it possible to make the AntiForgeryToken value in ASP.NET MVC change after each verification?

  - by jmcd

  We've just had some Penetration Testing carried out on an application we've built using ASP.NET MVC, and one of the recommendations that came back was that the value of the AntiForgeryToken in the Form could be resubmitted multiple times and did not expire after a single use. According to the OWASP recommendations around the Synchronizer Token Pattern: "In general, developers need only generate this token once for the current session." Which is how I think the ASP.NET MVC AntiForgeryToken works. In case we have to fight the battle, is it possible to cause the AntiForgeryToken to regenerate a new value after each validation?

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• IBM WebSphere vs Oracle Fusion

  - by Hal

  I have been asked to research the advantages/disadvantages the two application servers, but am new to the space and am having a terrible time finding an unbiased comparison of the two platforms. I understand that this is a broad question and I hate that I can't give a very specific use case (other than it will be an implementation in an organization with out a full time admin dedicated to management and it will be running in a mixed environment against JD Edwards/Oracle and SQLServer). Does anyone know of any (recently published) content that does a reasonable comparison or can any offer any insight into which might be the better choice and why. Any help would be greatly appreciated. Best regards, Hal

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• ansi-c fscanf problem

  - by mongoose

  hi i read the file as follows fscanf(fp,"%f %f %f",&*(p1+i), &*(p2+i), &*(p3+i)); my file's lines consists of three floating point numbers... the problem i have is that in the file let's say i have some floating points with let's say maximum of two digits after the dot. but when i ask c to print those values using different formatting, for example %lf,%.2lf,%.4lf... it starts to play with the digits... my only concern is this, if i have let's say 1343.23 in the file, then will c use this value exactly as it is in computations or it will play with the digits after the dot. if it will play, then how is it possible to make it so that it uses floating point numbers exactly as they are? for example in last case even if i ask it to print that value using %.10lf i would expect it to print only 1343.2300000000.? thanks a lot!

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• Having problems with a mask in C#

  - by Nard Dog

  I guess this would be a DevExpress mask, but here is what I have: var dlEdit = new DevExpress.XtraEditors.Repository.RepositoryItemTextEdit(); dlEdit.Mask.MaskType = MaskType.RegEx; dlEdit.Mask.EditMask = "\\d{1,10}"; I'm trying to get a number that can be up to 10 digits in length that WILL accept leading 0's, as it is now it will show the leading 0's (ex. 0032421243) until the field is clicked off in which case it removes them. I tried a numeric masktype but same thing only it wouldn't let me enter the 0's to start with at all. I thought this would be my answer but this custom type isn't. Can someone point me in the right direction for what I need? Maybe a different type of mask or something?

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• Best approch for creating Base control

  - by akjoshi

  Hi, I am looking for a solution for this scenario - I need to implement a feature to allow user to add various controls to canvas(WPF, custom and third party ) and then select any one of them and modify some properties in property grid(changes needs to be reflected in UI). I don't want to expose all the properties of any control only some of them(relevant to end user); apart from this there are some properties which will be common for all controls e.g. Title, Value(Value will be bound to some property of a control, say Text of TextBox and Content of Label) etc. I am thinking of putting all the common proeprties at one place. Things I am confused aout - How to create such base class, whether to use UserControl or Custom Control for this? How will the binding work between Control, base class proeprties and PropertyGrid? What type of object will I expose to property grid? Any idea on what approch should be followed in this case, any kind of input will really be helpful.

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• Bash Shell; read command; using Cygwin on Windows 7

  - by user312397

  Okay so I am having this problem. I write up a script to be run in cygwin on Windows. I've tried a bunch of basic example scripts in case it was my scripts problem. So I tried this: #!/bin/bash echo -e "Enter your name and press [ENTER]: \c" read var_name echo "Your name is: $var_name" Then I will run it and I enter a name for var_name. I get this: $ ./project1.sh Enter your name and press [ENTER]: Jake ': not a valid identifierad: `var_name Your name is: So as far as I understand it I am having a problem with read. I am trying to work on a project for my class, but I can't seem to figure out why it won't read it. I followed the book with no triumph then resorted to these examples on the web that do not seem to work for me either. Does anyone have any idea if it is my setup or if I am missing something, thanks.

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• Missing Java error on conditional expression?

  - by Federico Cristina

  With methods test1() and test2(), I get a Type Mismatch Error: Cannot convert from null to int, which is correct; but why am I not getting the same in method test3()? How does Java evaluates the conditional expression differently in that case? (obviusly, a NullPointerException will rise in runtime). Is it a missing error? public class Test { public int test1(int param) { return null; } public int test2(int param) { if (param > 0) return param; return null; } public int test3(int param) { return (param > 0 ? return param : return null); } } Thanks in advance!

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• CodePlex Daily Summary for Wednesday, January 05, 2011

  CodePlex Daily Summary for Wednesday, January 05, 2011Popular ReleasesBloodSim: BloodSim - 1.3.2.0: - Simulation Log is now automatically disabled and hidden when running 10 or more iterations - Hit and Expertise are now entered by Rating, and include option for a Racial Expertise bonus - Added option for boss to use a periodic magic ability (Dragon Breath) - Added option for boss to periodically Enrage, gaining a Damage/Attack Speed buffTemporary Data Storage Folder: Temporary Data Storage Folder 0.3 Stable: With lots of features and bug fixes we are releasing stable 0.3 version. Just download it and check it out. Added Features: 1. Rename TDS Folder with a name of your choice 2. Control what to do on program termination 3. Move TDS Folder to a new locationASP.NET MVC CMS ( Using CommonLibrary.NET ): CommonLibrary.NET CMS 0.9.5 Alpha: CommonLibrary CMSA simple yet powerful CMS system in ASP.NET MVC 2 using C# 4.0. ActiveRecord based components for Blogs, Widgets, Pages, Parts, Events, Feedback, BlogRolls, Links Includes several widgets ( tag cloud, archives, recent, user cloud, links twitter, blog roll and more ) Built using the http://commonlibrarynet.codeplex.com framework. ( Uses TDD, DDD, Models/Entities, Code Generation ) Can run w/ In-Memory Repositories or Sql Server Database See Documentation tab for Ins...AllNewsManager.NET: AllNewsManager.NET 1.2.1: AllNewsManager.NET 1.2.1 It is a minor update from version 1.2Mini Memory Dump Diagnosis using Asp.Net: MiniDump HealthMonitor: Enable developers to generate mini memory dumps in case of unhandled exceptions or for specific exception scenarios without using any external tools , only using Asp.Net 2.0 and above. Many times in production , QA Servers the issues require post-mortem or low-level system debugging efforts. This Memory dump generator will help in those scenarios.EnhSim: EnhSim 2.2.9 BETA: 2.2.9 BETAThis 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 - Added in the Gobl...xUnit.net - Unit Testing for .NET: xUnit.net 1.7 Beta: xUnit.net release 1.7 betaBuild #1533 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)...Json.NET: Json.NET 4.0 Release 1: New feature - Added Windows Phone 7 project New feature - Added dynamic support to LINQ to JSON New feature - Added dynamic support to serializer New feature - Added INotifyCollectionChanged to JContainer in .NET 4 build New feature - Added ReadAsDateTimeOffset to JsonReader New feature - Added ReadAsDecimal to JsonReader New feature - Added covariance to IJEnumerable type parameter New feature - Added XmlSerializer style Specified property support New feature - Added ...StyleCop for ReSharper: StyleCop for ReSharper 5.1.14977.000: Prerequisites: ============== o Visual Studio 2008 / Visual Studio 2010 o ReSharper 5.1.1753.4 o StyleCop 4.4.1.2 Preview This release adds no new features, has bug fixes around performance and unhandled errors reported on YouTrack.DbDocument: DbDoc Initial Version: DbDoc Initial versionASP .NET MVC CMS (Content Management System): Atomic CMS 2.1.2: Atomic CMS 2.1.2 release notes Atomic CMS installation guide Kind Of Magic MSBuild Task: Beta 4: Update to keep up with latest bug fixes. To those who don't like Magic/NoMagic attributes, you may change these names in KindOfMagic.targets file: Change this line: <MagicTask Assembly="@(IntermediateAssembly)" References="@(ReferencePath)"/> to something like this: <MagicTask Assembly="@(IntermediateAssembly)" References="@(ReferencePath)" MagicAttribute="MyMagicAttribute" NoMagicAttribute="MyNoMagicAttribute"/>N2 CMS: 2.1: N2 is a lightweight CMS framework for ASP.NET. It helps you build great web sites that anyone can update. Major Changes Support for auto-implemented properties ({get;set;}, based on contribution by And Poulsen) All-round improvements and bugfixes File manager improvements (multiple file upload, resize images to fit) New image gallery Infinite scroll paging on news Content templates First time with N2? Try the demo site Download one of the template packs (above) and open the proj...Wii Backup Fusion: Wii Backup Fusion 1.0: - Norwegian translation - French translation - German translation - WBFS dump for analysis - Scalable full HQ cover - Support for log file - Load game images improved - Support for image splitting - Diff for images after transfer - Support for scrubbing modes - Search functionality for log - Recurse depth for Files/Load - Show progress while downloading game cover - Supports more databases for cover download - Game cover loading routines improvedAutoLoL: AutoLoL v1.5.1: Fix: Fixed a bug where pressing Save As would not select the Mastery Directory by default Unexpected errors are now always reported to the user before closing AutoLoL down.* Extracted champion data to Data directory** Added disclaimer to notify users this application has nothing to do with Riot Games Inc. Updated Codeplex image * An error report will be shown to the user which can help the developers to find out what caused the error, this should improve support ** We are working on ...TortoiseHg: TortoiseHg 1.1.8: TortoiseHg 1.1.8 is a minor bug fix release, with minor improvementsBlogEngine.NET: BlogEngine.NET 2.0: Get DotNetBlogEngine for 3 Months Free! Click Here for More Info 3 Months FREE – BlogEngine.NET Hosting – Click Here! If you want to set up and start using BlogEngine.NET right away, you should download the Web project. If you want to extend or modify BlogEngine.NET, you should download the source code. If you are upgrading from a previous version of BlogEngine.NET, please take a look at the Upgrading to BlogEngine.NET 2.0 instructions. To get started, be sure to check out our installatio...Free Silverlight & WPF Chart Control - Visifire: Visifire SL and WPF Charts v3.6.6 Released: Hi, Today we are releasing final version of Visifire, v3.6.6 with the following new feature: * TextDecorations property is implemented in Title for Chart. * TitleTextDecorations property is implemented in Axis. * MinPointHeight property is now applicable for Column and Bar Charts. Also this release includes few bug fixes: * ToolTipText property of DataSeries was not getting applied from Style. * Chart threw exception if IndicatorEnabled property was set to true and Too...StyleCop Compliant Visual Studio Code Snippets: Visual Studio Code Snippets - January 2011: StyleCop Compliant Visual Studio Code Snippets Visual Studio 2010 provides C# developers with 38 code snippets, enhancing developer productivty and increasing the consistency of the code. Within this project the original code snippets have been refactored to provide StyleCop compliant versions of the original code snippets while also adding many new code snippets. Within the January 2011 release you'll find 82 code snippets to make you more productive and the code you write more consistent!...WPF Application Framework (WAF): WPF Application Framework (WAF) 2.0.0.2: Version: 2.0.0.2 (Milestone 2): 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 ...New Projectsbsp4airplay: BSP files support for Airplay SDK. This project target is to support: - Quake 1 - Quake 2 - Quake 3 - HL 1 - HL 2 ClassyBlog - Personal Blogging Engine in ASP.NET MVC: A modern blogging engine for classy people.Cybernux Linux® Bulid Script: Cybernux Linux® Build Script is a set of bash scripts designed for usage within the Cybernux Linux® Project. Doing things like settup a repository, building and rebuilding packages for Cybernux Linux®, which uses Debian and portions of Debian repos combined with the Cybernux onesCybernux Linux® Multimedia Bulid Script: Cybernux Linux® Multia Build Script is a set of bash scripts designed for usage within the Cybernux Linux® Project. Doing things like settup a repository, building and rebuilding Multimedia packages for Cybernux Linux® Multimedia ExceptionMessageBox: ExceptionMessageBox is development of messagebox to show exception detail in your app like .NET unhandled exception dialog. More and better features and view, similar to Microsoft.ExceptionMessageBox from SQL Server, shall be added by contributors. This is developed in C# WPF.FractalZoom: FractalZoom is a fun little application that allows people to explore the fractal landscape of Julia sets: http://en.wikipedia.org/wiki/Julia_set FSharpJump: Visual Studio 2010 Extension for F# source files. Pops up a window in the F# editor which outlines the namespaces, 'modules, types and "let bindings" in the current document. Pressing enter key on the selected list item will jump the caret to that line. GoJan: A web application that introduce deep infomations about travelling to japan, using DNN framework.List2Code: List2Code is very Simple Application that take a comma delimited list and runs it trough a template to create code that can be copied and pasted in your application. Its Developed in CSharp using WPF for the GUI.MicroNET Framework UAV: El proyecto UAV se realiza para controlar una avion de radio control a traves de .NET MicroFramework y permitir un vuelo autonomo. Mini Memory Dump Diagnosis using Asp.Net: Enable developers to generate mini memory dumps in case of unhandled exceptions or for specific exception scenarios without using any external tools , only using Asp.Net 2.0 and above. Many times in production , QA Servers the issues require detailed system debugging dumps.MultiConvert: console based utility primary to convert solid edge files into data exchange formats like *.stp and *.dxf. It's using the API of the original software and can't be run alone. The goal of this project is creating routines with desired pre-instructions for batch conversionsPDI 2009: Ferramenta para processamento digital de imagens.RoC: RoC is a mvc 3 razor based cms system. Also RoC use Composition, Policy Injection, EF 4 Model First, Windows Identity Foundation technologies. Now RoC is draft project and it'll be more strong in the futureShot In The Dark: Shot In The Dark is a multiplayer top-down 2D shooter framework developed in Flash/AS3.0, and uses the Nonoba Multiplayer API.SilveR - Online Statistics Application: SilveR is a Silverlight based online statistical analysis application written in c# with a WCF backend exposing an R serviceSimple Scheduler: Simple task scheduling application for windows built on top of Quartz.NETSj's Personal Arena: This project project hosting space is for all my personal projects I have been working on and will be working on. For any further details you can contact me at mukhs18[at]gmail[dot]comskymet: JAlquerqueThe Electric Clam: A web console for PowerShell. Features include: - near real-time web based console - multiple consoles and multiple users - shared or exclusive consoles - latest technology (jQuery, WCF Web Sockets, ASP.Net MVC 3 with Razor) - more...UCI Protocol Sniffer [UCIPlug]: UCIPlug allows dumping the UCI messages exchanged between a UCI compliant GUI (for ex., Chessbase) and an UCI engine (for ex., Rybka 2.2). UCIPlug is written in C# and is targeted at .NET 3.5 (though, can be recompiled for .NET 2.0). Umbraco for Windows Phone: Umbraco for Windows PhoneYetAnotherErp: This is a 2 years of work building yet another erp system that integrates CRM, SCM, complex inventory management, EDI. This software is powered using XAF Application Framework from Developer Express and Expand Framework. YetAnotherErp is a fully integrated solution.Your Store: “Your Store” is beta e-commerce webapplication created using ASP.NET MVC 2

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• Visual Studio 2008 macro only works from the Macro IDE, not the Macro Explorer

  - by Cat

  Edit: Creating a new module in the same VSMacros project fixed the problem. The following macro only works if I open the Macro IDE from Visual Studio and run the macro from there. It'd be much more useful if I could just right click the macro from the Macro Explorer from my Visual Studio instance. I must be doing something obviously wrong, but I've never worked with VS macros before. The MessageBox does not appear in either case. Option Strict Off Option Explicit Off Imports System Imports EnvDTE Imports EnvDTE80 Imports EnvDTE90 Imports System.Diagnostics Imports System.Security.Principal Imports System.Windows.Forms Public Module AttachToSdtProcess Sub AttachToSdtProcess() Try 'If MessageBox.Show("Attach to SDT.exe", "Caption", _ ' MessageBoxButtons.OKCancel) = DialogResult.Cancel Then 'Return 'End If Dim dbg2 As EnvDTE80.Debugger2 = DTE.Debugger Dim trans As EnvDTE80.Transport = dbg2.Transports.Item("Default") Dim compName As String = WindowsIdentity.GetCurrent().Name compName = compName.Substring(0, compName.IndexOf("\")) Dim proc2 As EnvDTE80.Process2 = _ dbg2.GetProcesses(trans, compName).Item("TheExecutable.exe") If proc2 Is Nothing Then MessageBox.Show("Could not find TheExecutable.exe") End If proc2.Attach2(dbgeng) Catch ex As System.Exception MsgBox(ex.Message) End Try End Sub End Module

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• retrieve newly inserted record ID with Linq2SQL

  - by devmania

  hi, i am using the following private BlogDataContext db = new BlogDataContext (); article.Created = DateTime.UtcNow; article.Modified = DateTime.UtcNow; db.Articles.InsertOnSubmit(article); db.SubmitChanges( ); int id = article.Id; i am wondering is this save, i mean will it give me the Id of the article user inserted or will there be case of concurrences if another user update the article in fraction of second after this user ? thanks in advanced.

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• Difference between implementing an interface and applying an attribute in C#

  - by RemotecUk

  This might be a stupid question but Ill ask anyway, I was reading "OOP Demystified: A Self-Teaching Guide by Jim Keogh and Mario Giannini" chapter 11 which covers interfaces. The examples in this book are C++. I noticed that C++ uses ISerializable to make a class serializable which you would implement where as in C# you just attribute the class with the [Serializable] attribute. What is the key difference here? Is it that with an interface you must provide the implementation where as if you attribute something the compiler will work out the implementation for you? I guess that with the [Serializable] attribute the .Net framework uses reflection to make the serialized object from the actual object. That said is it possible in that case to have an [Disposable] attribute or using my theory above the framework wont know how to actually dispose of an object hence you have to do it yourself? Would be grateful for a clarification. Thanks.

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• Saving State Dynamic UserControls...Help!

  - by Cognitronic

  I have page with a LinkButton on it that when clicked, I'd like to add a Usercontrol to the page. I need to be able to add/remove as many controls as the user would like. The Usercontrol consists of three dropdownlists. The first dropdownlist has it's auotpostback property set to true and hooks up the OnSelectedIndexChanged event that when fired will load the remaining two dropdownlists with the appropriate values. My problem is that no matter where I put the code in the host page, the usercontrol is not being loaded properly. I know I have to recreate the usercontrols on every postback and I've created a method that is being executed in the hosting pages OnPreInit method. I'm still getting the following error: The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases. Here is my code: Thank you!!!! bool createAgain = false; IList<FilterOptionsCollectionView> OptionControls { get { if (SessionManager.Current["controls"] != null) return (IList<FilterOptionsCollectionView>)SessionManager.Current["controls"]; else SessionManager.Current["controls"] = new List<FilterOptionsCollectionView>(); return (IList<FilterOptionsCollectionView>)SessionManager.Current["controls"]; } set { SessionManager.Current["controls"] = value; } } protected void Page_Load(object sender, EventArgs e) { Master.Page.Title = Title; LoadViewControls(Master.MainContent, Master.SideBar, Master.ToolBarContainer); } protected override void OnPreInit(EventArgs e) { base.OnPreInit(e); System.Web.UI.MasterPage m = Master; Control control = GetPostBackControl(this); if ((control != null && control.ClientID == (lbAddAndCondtion.ClientID) || createAgain)) { createAgain = true; CreateUserControl(control.ID); } } protected void AddAndConditionClicked(object o, EventArgs e) { var control = LoadControl("~/Views/FilterOptionsCollectionView.ascx"); OptionControls.Add((FilterOptionsCollectionView)control); control.ID = "options" + OptionControls.Count.ToString(); phConditions.Controls.Add(control); } public event EventHandler<Insight.Presenters.PageViewArg> OnLoadData; private Control FindControlRecursive(Control root, string id) { if (root.ID == id) { return root; } foreach (Control c in root.Controls) { Control t = FindControlRecursive(c, id); if (t != null) { return t; } } return null; } protected Control GetPostBackControl(System.Web.UI.Page page) { Control control = null; string ctrlname = Page.Request.Params["__EVENTTARGET"]; if (ctrlname != null && ctrlname != String.Empty) { control = FindControlRecursive(page, ctrlname.Split('$')[2]); } else { string ctrlStr = String.Empty; Control c = null; foreach (string ctl in Page.Request.Form) { if (ctl.EndsWith(".x") || ctl.EndsWith(".y")) { ctrlStr = ctl.Substring(0, ctl.Length - 2); c = page.FindControl(ctrlStr); } else { c = page.FindControl(ctl); } if (c is System.Web.UI.WebControls.CheckBox || c is System.Web.UI.WebControls.CheckBoxList) { control = c; break; } } } return control; } protected void CreateUserControl(string controlID) { try { if (createAgain && phConditions != null) { if (OptionControls.Count > 0) { phConditions.Controls.Clear(); foreach (var c in OptionControls) { phConditions.Controls.Add(c); } } } } catch (Exception ex) { throw ex; } } Here is the usercontrol's code: <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="FilterOptionsCollectionView.ascx.cs" Inherits="Insight.Website.Views.FilterOptionsCollectionView" %> namespace Insight.Website.Views { [ViewStateModeById] public partial class FilterOptionsCollectionView : System.Web.UI.UserControl { protected void Page_Load(object sender, EventArgs e) { } protected override void OnInit(EventArgs e) { LoadColumns(); ddlColumns.SelectedIndexChanged += new RadComboBoxSelectedIndexChangedEventHandler(ColumnsSelectedIndexChanged); base.OnInit(e); } protected void ColumnsSelectedIndexChanged(object o, EventArgs e) { LoadCriteria(); } public void LoadColumns() { ddlColumns.DataSource = User.GetItemSearchProperties(); ddlColumns.DataTextField = "SearchColumn"; ddlColumns.DataValueField = "CriteriaSearchControlType"; ddlColumns.DataBind(); LoadCriteria(); } private void LoadCriteria() { var controlType = User.GetItemSearchProperties()[ddlColumns.SelectedIndex].CriteriaSearchControlType; var ops = User.GetItemSearchProperties()[ddlColumns.SelectedIndex].ValidOperators; ddlOperators.DataSource = ops; ddlOperators.DataTextField = "key"; ddlOperators.DataValueField = "value"; ddlOperators.DataBind(); switch (controlType) { case ResourceStrings.ViewFilter_ControlTypes_DDL: criteriaDDL.Visible = true; criteriaText.Visible = false; var crit = User.GetItemSearchProperties()[ddlColumns.SelectedIndex].SearchCriteria; ddlCriteria.DataSource = crit; ddlCriteria.DataBind(); break; case ResourceStrings.ViewFilter_ControlTypes_Text: criteriaDDL.Visible = false; criteriaText.Visible = true; break; } } public event EventHandler OnColumnChanged; public ISearchCriterion FilterOptionsValues { get; set; } } }

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• Select and Insert across dblink

  - by Domtar

  I am having a bit of trouble with a select into insert across a dblink in oracle 10. I am using the following statement: INSERT INTO LOCAL.TABLE_1 ( COL1, COL2) SELECT COL1, COL2 FROM REMOTE.TABLE1@dblink s WHERE COL1 IN ( SELECT COL1 FROM WORKING_TABLE) When I run the statement the following is what gets run against the remote server on the DB Link: SELECT /*+ OPAQUE_TRANSFORM */ "COL1", "COL2" FROM "REMOTE"."TABLE1" "S" If I run the select only and do not do the insert into the following is run: SELECT /*+ */ "A1"."COL1" , "A1"."COL2" FROM "REMOTE"."TABLE1" "A1" WHERE "A1"."COL1" = ANY ( SELECT "A2"."COL1" FROM "LOCAL"."TABLE1"@! "A2") The issue is in the insert case the enitre table is being pulled across the dblink and then limited localy which takes a fair bit of time given the table size. Is there any reason adding the insert would change the behavior in this manner?

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• Is it possible to create a generic Util Function to be used in Eval Page

  - by Nassign

  I am currently binding a Nullable bit column to a listview control. When you declare a list view item I need to handle the case when the null value is used instead of just true or false. <asp:Checkbox ID="Chk1" runat="server" Checked='<%# HandleNullableBool(Eval("IsUsed")) %>' /> Then in the page I add a HandleNullableBool() function inside the ASPX page. protected static bool HandleNullableBool(object value) { return (value == null) ? false : (bool)value; } This works fine but I need to use this in several pages so I tried creating a utility class with a static HandleNullableBool. But using it in the asp page does not work. Is there a way to do this in another class instead of the ASPX page? <asp:Checkbox ID="Chk1" runat="server" Checked='<%# Util.HandleNullableBool(Eval("IsUsed")) %>' />

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• Explain BFS and DFS in terms of backtracking

  - by HH

  Wikipedia about DFS Depth-first search (DFS) is an algorithm for traversing or searching a tree, tree structure, or graph. One starts at the root (selecting some node as the root in the graph case) and explores as far as possible along each branch before backtracking. So is BFS? "an algorithm that choose a starting node, checks all nodes -- backtracks --, chooses the shortest path, chose neighbour nodes -- backtracks --, chose the shortest path -- finally finds the optimal path because of traversing each path due to continuos backtracking. Regex, find's pruning -- backtracking? The term backtracking confuseses due to its variety of use. UNIX find's pruning an SO-user explained with backtracking. Regex Buddy uses the term "catastrophic backtracking" if you do not limit the scope of your Regexes. It seems to be too wide umbrella-term. So: how do you define "Backtracking" GRAPH-theoretically? what is "backtracking" in BFS and DFS?

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• Running Perl on Windows 7 error

  - by Eyla

  Greeting, I'm trying to run smaple perl script on windows 7 and I configured IIS 7 to allow activeperl to run but I'm getting this error: HTTP Error 502.2 - Bad Gateway The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are "Hello World. ". Module CgiModule Notification ExecuteRequestHandler Handler Perl Script (PL) Error Code 0x00000000 Requested URL http://localhost:80/hello.pl Physical Path C:\inetpub\wwwroot\hello.pl Logon Method Anonymous Logon User Anonymous and here is my perl script : #!/usr/bin/perl print "Hello World.\n"; please any advice to handle this case!!!

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• How to replace all instances of a particular value in a mysql database with another?

  - by Joseph

  I'm looking for a MySQL equivalent of what str_replace is for PHP. I want to replace all instances of one word with another, I want to run a query that will replace all "apples" with "oranges". The reason why: UPDATE fruits SET name='oranges' WHERE name='apples'; isn't going to work for my situation, is because I often times have multiple words in a table row separated by commas like: "apples, pears, pineapples". In this case I want just apples to be replaced by oranges and pear and pineapples to stay in tact. Is there any way to do this?

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• How to avoid the "divide by zero" error in SQL?

  - by Henrik Staun Poulsen

  I hate this error message: Msg 8134, Level 16, State 1, Line 1 Divide by zero error encountered. What is the best way to write SQL code, so that I will never see this error message again? I mean, I could add a where clause so that my divisor is never zero. Or I could add a case statement, so that there is a special treatment for zero. Is the best way to use a NullIf clause? Is there better way, or how can this be enforced?

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