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Site News

Many of you are beginners learning your trade, or experienced developers learning a new framework, or even coding legends stuck, painfully, on something that "should just work". We all hit that point where we just need a little help.

There are two things we can all do to help us get better solutions to programming problems.

1.  When seeking help be clear about what you're asking and include only enough code to explain the problem.
2. When answering a problem be aware that the person you're responding to may not, themselves, fully understand the problem they are working on.

Small, obvious things, I know, but it's the small things that make such a huge difference.

To everyone who has been helping out in the discussion boards and in Quick Answers: Thank you.

cheers,
Chris Maunder

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Weekly Poll Results

This week's survey: Will you be using a Blackberry device in the near future?

Most popular new articles

• ToDoList 6.6.b4 Beta Release - An effective and flexible way to keep on top of your tasks - .dan.g.
  
• KeePass Password Safe - Dominik Reichl
  
• AJAX based CRUD tables using ASP.NET MVC 3 and jTable jQuery plug-in - Halil ibrahim Kalkan
  
• Way to Lambda - Florian Rappl
  
• Versatile WebCam C# library - Predrag Tomasevic
  

Latest Additions

119 articles overall. 55 new, 64 updated.

New articles added

Applications & Tools

• Rails 3.2: A Nested-Form Demo, Part 2: Accelerate to Attack Speed! - Member 9783921
  Rails 3.2: A Nested-Form Demo, Part 2
  
  

C#

• Some practices to write better C#/.Net code - Monjurul Habib
  Today I will show some good practices I have learned during my professional years, those are lower level but very important for all levels.
  
  

Client side scripting

• jOOPL: object-oriented programming for JavaScript - Matías Fidemraizer
  Discover a modern, solid, and powerful way of leveraging object-oriented programming on the Web and anywhere.
  
  

Database

• SQL Server - Change Tracking (CT) - Chandra Sekhar - SQLVERSITY
  CT is a new feature in SQL Server 2008 which allows us to track information about changes that we have made to tables in which CT is enabled.
  
  
• Database script execution with unit test - S. M. Ahasan Habib
  Database script execution with unit test
  
  

Design and Architecture

• WCF by Example - Chapter XVI - EF 5 & SQL CE - AzureWebSites Deployment - Enrique Albert
  EF Code First implementation of generic repository and unit of work. With deployment to Azure web sites using SQL Compact.
  
  

Internet / Network

• Server Wizard - Ahmed Charfeddine
  A Visual C++ Project Wizard for the fast creation of high performance TCP servers in C++.
  
  

Product Showcase

• Connecting to Spokes' REST API in Python - Plantronics
  Connecting to Spokes' REST API in Python.
  
  
• Multi-Platform OCR with LEADTOOLS 18 - LEADTOOLS Support
  Multi-Platform OCR with LEADTOOLS 18.
  
  
• How ANTS Performance Profiler Saved my Hide - Red Gate Software
  G.Russon tells the tale of when his most mission-critical app collapsed, what this meant for him and his team and how they solved the problem with the help of ANTS Performance Profiler.
  
  

Windows Presentation Foundation

• WPF, SDI linked windows base class or don't miss your windows. - freedeveloper
  A simple class to control open windows.
  
  

Articles updated

.NET Framework

• Dynamic Expresso - Davide Icardi
  Generate LambdaExpression or function delegate on the fly without compilation.
  
  

Ajax

• AJAX based CRUD tables using ASP.NET MVC 3 and jTable jQuery plug-in - Halil ibrahim Kalkan
  Creating AJAX based CRUD tables using ASP.NET MVC 3 and the jTable jQuery plug-in.
  
  

Amazon Web Services

• Amazon AWSDeploy To Provision Multiple Websites - TheCodeKing
  This article provides a solution for deploying multiple applications to a single AWS instance when using AWSDeploy.
  
  

Applications & Tools

• ToDoList 6.6.b4 Beta Release - An effective and flexible way to keep on top of your tasks - .dan.g.
  A hierarchical task manager with native XML support for custom reporting.
  
  
• KeePass Password Safe - Dominik Reichl
  KeePass is a free, open-source, light-weight and easy-to-use password safe.
  
  

ASP.NET

• MVC Basic Site: Step 1 – Multilingual Site Skeleton - Raul Iloc
  This article is intended to be the first one from this series and is focused mainly in the creation of a multilingual MVC web site skeleton.
  
  
• Deep Dive into ASP.NET MVC 4 - Part [2] - Project Items - Shemeer NS
  ASP.NET MVC project folder structure
  
  

ASP.NET Controls

• Binding Image Slider with ASP.NET having Image Upload Panel - dpalash
  This article is meant for binding image from backend with your favorite image slider.
  
  

Audio and Video

• Versatile WebCam C# library - Predrag Tomasevic
  Easy to use C# WebCam library that's not plagued with weird DLL references or PInvoke calls
  
  

C / C++ Language

• Memory Analyzer x86, 32-bit - Asif Bahrainwala
  Detect memory leaks
  
  

C#

• Way to Lambda - Florian Rappl
  An introduction to lambda expressions as well as an advanced discussion on how and where to use them. This article will also show known and introduce new design patterns that might be helpful.
  
  
• Web Search - Visual Studio Add-in , Search (Google, Yahoo, MSDN, Code Project, Stack Overflow and more...) for the selected text/item. - Shemeer NS
  Visual Studio Add-in , WebSearch - Multiple search options included in all text editor, reference items, error list. (Integrated search options for Visual Studio IDE), This AddIn works fine with Visual Studio 2005, 2008, 2010, 2012. Custom Search, Shortcut key Alt+F1
  
  
• Reflection optimization techniques - Jain, Ajay
  The article presents some .net techniques for using reflection optimally and efficiently.
  
  
• Implementing a Generic Object Pool in .NET - Ofir Makmal
  A walk-through an implementation of a Generic Object Pool that is much more.
  
  
• Ranges in C# - Dmitri Nesteruk
  Introducing a well-known concept of ranges implemented in C#
  
  
• Intertexti - Resurrecting HyperCard - Marc Clifton
  A prototype application for cross-referencing and indexing files, URL's.
  
  
• DistinctBy in Linq (Find Distinct object by Property) - Pranay Rana
  DistinctBy in Linq (Find Distinct object by Property)
  
  
• .NET Weak Events for the Busy Programmer - FatCatProgrammer
  General WeakEvent class
  
  
• CIMTool for Windows Management Instrumentation - Part 1 - Espen Harlinn
  Use WMI to retrieve information about your system
  
  

CodeProject FAQs

• Code Project Utilities (Member Contributions) FAQ - DaveAuld
  Community provided tools that are available for use with The Code Project
  
  

Collections

• Enhanced ObservableCollection with ability to delay or disable notifications - Eugene Sadovoi
  Implements delayed or disabled INotifyCollectionChanged.
  
  
• A Simple C# Property System - zaphoed
  The following article demonstrates a C# implementation of a simple property system.
  
  

Cryptography & Security

• Encrypted code compiled at runtime - Bruno Tabbia
  Encrypt your C# classes and compile them during run-time (hiding their code in the exe file).
  
  

Desktop Gadgets

• System Information - MehdiNaseri
  How to collect system information from local or remote computer.
  
  
• A simple WPF Text Clock Gadget for Windows - Sanjay_007
  A simple WPF text clock gadget for Windows.
  
  

DirectX

• D3dScenePresenter - How to present and manipulate a 3D scene using MDX - Shmuel Zang
  This article shows how we can present a 3D scene and, perform common operations (zoom, rotate, move, zoom to specific region, adjust the camera to view the whole of the scene, and pick a 3D shape on a specific region on the rendered surface) on it, using Managed DirectX.
  
  

E-commerce

• A Class Based Enumeration Implementation - Kailuo Wang
  A classical implementation of the enumeration using class together with NHibernate user types
  
  

General Graphics

• Creating your own animation format - Paulo Zemek
  Learn how to create your own animation format, capable of doing basic compression.
  
  

Hardware & System

• SYSInfo: System info desktop tool - stepe
  Displays system information like free disk space and free memory on the desktop.
  
  

Internet / Network

• Apolyton FastJSON - Aron Kovacs
  This is an alternative for "fastJSON"
  
  

Libraries

• Object Relational Mapping (ORM) using NHibernate - Part 1 of 8 Coding One to One Entity Associations - Anand Lakshminarasimhan
  A full series of 8 part articles to show One-To-One, Many-To-One, Many-To-Many associations mapping using NHibernate, Using Collections With NHibernate, Inheritance Relationships Using NHibernate, Lazy Initializations/Fetches Using NHibernate.
  
  
• Celero - A C++ Benchmark Authoring Library - DigitalInBlue
  This article discusses how to implement and use a template-based C++ benchmarking library.
  
  
• An introduction to OpenCV (Part II): Implementing mouse events, manipulating images, and creating video clips - Markus Koppensteiner
  Shows how to use OpenCV to write videos, how to implement mouse events, and presents some commands on image manipulation as well.
  
  

List Controls

• Controls Library: Extended ListView with Column Mapping - alexandrvslv
  Docking windows container, extended listview, extended property editor.
  
  

Miscellaneous

• An MFC Chart Control with Enhanced User Interface - geoyar
  An MFC linear chart control with enhanced appearance.
  
  
• A Better Line Control - Ron Beyer
  A WinForms line control that works how you would expect one to.
  
  

Smart Client

• A Smart Card Framework for .NET - orouit
  Describes a framework to use the PCSC Smart Card API with .NET.
  
  

Trace and Logs

• Happiness is good logging - DahlSailRunner
  Really effective logging using Enterprise Library and just a little custom code.
  
  

Tree Controls

• Versatile Tree Control - syed_babu
  Tree control with custom checkbox with several other features
  
  

Windows 8 Design

• Windows 8 : Fun with sensors - Sacha Barber
  Simple Windows 8 app that tries to have some fun with sensors
  
  

Windows Communication Foundation

• Implementing a Basic Hello World WCF Service (v4.5) - Mike_Liu
  Manually implement a basic WCF Service (.NET 4.5) from scratch, step by step, with clear instructions and precise screen snapshots.
  
  

Windows Presentation Foundation

• Cryptographically Random Password / Data Set Creator using WPF, MVVM, and TPL - Garrett M. Groff
  Random data/password generator using WPF and MVVM to accomplish clean separation of GUI logic and business logic using MVVM pattern.
  
  

Windows Runtime

• Extending GridView with Drag and Drop for Grouping and Variable Sized Items - greglutz
  This article describes the implementation of an extended GridView control that enables drag and drop with grouping and variable sized items.
  
  

New Tips and Tricks added

ASP.NET

• Run .exe inside ASP.NET and catch .exe exception - S. M. Ahasan Habib
  .NET exe file run inside asp.net and catch exception from .exe.
  
  

ASP.NET Controls

• Merge/Split GridView header using CSS and code - joe_j
  Shows how to split a GridView header using CSS and code.
  
  

C / C++ Language

• FindWhat - Roger65
  Find file or use wildcard i.e. dlg*.h, or *.*
  
  

C#

• C# Web File Download with BITSadmin - metastruct
  When WebClient, HttpRequest, and all else fail, BITSadmin solves your download woes
  
  
• .NET TransactionScope and its default Transaction Isolation level issue - S. M. Ahasan Habib
  .NET TransactionScope and its default Transaction Isolation level issue.
  
  

Database

• Microsoft SQL Server – Bulk Delete Prescription - Mohammed Faraz (Captain)
  This article is not going to give you a pinpoint solution for a specific delete challenge, but rather it is meant to give a broader picture of the problem domain and the various tools you can opt based on your situation.
  
  
• Return Comma Separated String using SQL - Yogesh Gulve
  Return Comma Separated String using SQL
  
  

Design and Architecture

• Walking the System design - I - Invincible Poison
  System design.
  
  
• Walking the System design - II - Invincible Poison
  Walking the System design - II
  
  

HTML / CSS

• Embedded YouTube videos z-index problem while playing - Veeruna
  Embedded YouTube videos z-index problem while playing.
  
  

Libraries

• Cinchoo - Using MySql database as configuration source - Cinchoo
  This article shows how to use a MySql database as configuration source using the Cinchoo Configuration Manager
  
  
• Cinchoo - Using FireBird database as configuration source - Cinchoo
  This article shows how to use a FireBird database as configuration source using the Cinchoo Configuration Manager
  
  
• Cinchoo - Using a SQL Server database as a configuration source, Part 2 - Cinchoo
  This article shows another approach in using SQL Server database as configuration source.
  
  

Miscellaneous

• Set Error-Control Focus as per TabIndex - avigodse
  This article is created for setting the tab focus on the controls, where the error-provider has error text.
  
  

Office Development

• Read an Excel File through Matlab - Kiran Chandrashekhar
  This tutorial gives you a complete overview on how to read from an Excel file through Matlab
  
  
• Insert a Chart in Excel through Matlab - Kiran Chandrashekhar
  This tutorial gives you a complete overview on how to insert a Chart to an Excel file through Matlab
  
  

String handling

• Convert Numbers to Words Neatly - Normz Antonino
  This article shows you how to convert numbers to words neatly.
  
  
• Dictionary<string,T>.BestMatch - George Swan
  This is an alternative for "Dictionary.BestMatch"
  
  

Validation

• Modify jQuery validation settings using MVC unobtrusive validation - Talal Tayyab
  ASP.NET MVC 4 unobtrusive validation - Event hooks.
  
  

Windows Runtime

• Complex navigation parameter in Metro style app - MoTamas
  This tip provides an information how to pass complex types as a parameter in Windows Metro style application
  
  

Tips and Tricks updated

Ajax

• AJAX Accordion coupled with jQuery peeling effect and CSS fading - joe_j
  Shows how to take advantage of AJAX's Accordion, jQuery and CSS to create a good looking home page.
  
  

Algorithms & Recipes

• Generating the Powerset of a Set - Muigai Mwaura
  A quick way to generate the powerset of a set in F#.
  
  

C#

• Sorting C# collections that have no collating sequence - Andreas Gieriet
  This is an alternative for "Sorting using C# Lists"
  
  

Database

• Get duration between two dates in years, months, days, and hours using SQL Server - Aarti Meswania
  Get duration between two dates in years, months, days, and hours using SQL Server.
  
  
• Drop any general SQL Server object - Michiel du Toit
  Simple SP to drop any general type of SQL Server object
  
  
• Rebuilding master database in SQL Server - Kareem.S
  This article shows case study, how to rebuild master database
  
  

Files and Folders

• Folder [Directory] DeepCopy in .NET - Edo Tzumer
  Copy a folder [i.e. directory] including subfolders and files (recursively).
  
  

Game Development

• How To Draw Text Aligned In A Rectangle XNA - F.moghaddampoor
  Here we see how to align a Text
  
  
• How to record sound using XNA - F.moghaddampoor
  A simple recorder and player
  
  
• How to get keyboard language in XNA? - F.moghaddampoor
  We want to get Keyboard Language and we wonder how?
  
  
• C# .NET Hangman - Samuel Philip Blackford
  A neat little hangman game I thought I might share.
  
  

Office Development

• MS Access to MS Word - Mike Rosen
  Export OLEObject (Word Document) to Word Document.
  
  
• Write to Excel Sheet through Matlab - Kiran Chandrashekhar
  This tutorial gives you a complete overview on how to write to an Excel file through Matlab.
  
  

String handling

• Dictionary<string,T>.BestMatch - PIEBALDconsult
  Extension Methods to select a Dictionary entry using StartsWith
  
  

New Technical Blogs added

.NET Framework

• Visual Studio 2012 Set Default Target Framework to DotNET4 - Tarun_Arora
  First time you create a new project in Visual Studio 2012 the target framework is set us .NET 4.5.
  
  

Ajax

• What is AJAX? - jotorres
  What is AJAX?
  
  

Android

• Android - Finding your SDK debug certificate MD5 fingerprint using Keytool - BillOsuch
  Finding your SDK debug certificate MD5 fingerprint using Keytool.
  
  

Applications & Tools

• Connecting to TFS2010 with Visual Studio 2008 - Stacy Vicknair
  Connecting to TFS2010 with Visual Studio 2008.
  
  
• 5 Quick Steps to Get Introduced with Visual Studio Team System and Team Foundation Server 2010 (Beta 1) - Mohammad Ashraful Alam
  Getting familiar with Visual Studio Team System and Team Foundation Server 2010 (Beta 1).
  
  
• Picking the Right Tools for Your Project - Shayne P Boyer
  Picking the right tools for your project.
  
  

ASP.NET

• “Cannot evaluate expression because the code of the current method is optimized” - Sandeep Mewara
  Possible solutions to the problem.
  
  
• “Invalid postback or callback argument” - Sandeep Mewara
  A possible solution.
  
  

ASP.NET Controls

• ASP.NET Callback – and HOW? - Cruz Boon
  Implementing ASP.NET callback.
  
  

Database

• Usage of @@Error within a transaction - DiscoverSQL
  Using @@Error within a transaction.
  
  

Design and Architecture

• Aggregator Provider Pattern: An Extension of Provider Pattern - Mohammad Ashraful Alam
  Aggregator Provider Pattern enables us to create and utilize multiple instance of a class having the same provider interface.
  
  

Grid & Data Controls

• Using cascading ListBoxes to display hierarchical data in Windows 8 - BillOsuch
  When you're dealing with hierarchical data (a tree-like data format such as folders that have sub-folders that have subfolders, etc.) you have to come up with an organized way of displaying it. You could create a tree view, similar to how Windows Explorer displays folders, but I wanted to try someth
  
  

Hardware & System

• Real-time scheduling - Gert Boddaert
  Real-time scheduling in operating systems.
  
  

Internet / Network

• E-mail queues in MS Dynamics CRM 2011 Online using Exchange Online and Windows Azure - Pavel Korsukov
  E-mail queues in MS Dynamics CRM 2011 Online using Exchange Online and Windows Azure.
  
  
• VB.NET – Socket Communications (Works in HyperTerminal, won’t work in .NET) - Patrick Cunningham
  Socket communications works in HyperTerminal, won’t work in .NET.
  
  

iPhone

• UITextField Custom Input Accessory View Class - Razib Chandra Deb
  UITextField custom input accessory view class.
  
  

Libraries

• Problems with Google Analytics - Gilly Barr
  The most annoying part of using Google Analytics is that there's no way of testing it!
  
  

Microsoft BizTalk Server

• BizTalk - Looping through repeating message nodes in orchestrations - BillOsuch
  BizTalk - Looping through repeating message nodes in orchestrations
  
  

Mobile Development

• Touches - Ivan Krivyakov
  Some useful JavaScript code.
  
  

Other .NET Languages

• ASP.NET MVC 4 SPA Navigation with Sammy.js - DapperDanH
  I am learning from John Papa's Single Page Apps with HTML5, Web API, Knockout and jQuery
  
  

Uncategorised Technical Blogs

• Defining a service layer: the text-based adventure - Stacy Vicknair
  Applications these days have more options than ever for a user interface, and it’s only going to grow. A successful product might require native applications for mobile devices, a regular web implementation, or even a gaming console. These systems often will be centralized and data driven. The sol
  
  

Windows API

• Retrieving a list of eBay categories in a .NET 4.5 Windows Store App - BillOsuch
  Retrieving a list of eBay categories in a .NET 4.5 Windows Store app.
  
  

Work Issues

• Remote Work: Placeshift and Stay Highly Collaborative Part 2–Focus on YOU - ferventcoder
  What does it take to be a remote worker? Is remote work possible in your job? How do you work from home when there are distractions?
  
  
• Remote Work: Placeshift and Stay Highly Collaborative Part 1 - ferventcoder
  If you are a worker and you have considered working from home (or just remotely) but you are not quite sure how you would make it work, this series is for you. Or you are already doing remote work and want to learn how to collaborate better.
  
  

Technical Blogs updated

.NET Framework

• Diagnosing ASP.NET views compilation with FrontMan - Sebastian Solnica
  In today’s post I will show you how we fought a pesky compilation problem with Razor views in our ASP.NET MVC application.
  
  

ASP.NET

• WebAPI follow-up.. what about protocol buffers? - Jeffrey T. Fritz
  A s a follow-up to my previous article about WebAPI , I received an interesting question from a friend on LinkedIn: Is there a way to emit data in Protobuf format?
  
  
• The Truth About HttpHandlers and WebApi - Jeffrey T. Fritz
  HttpHandlers had their place, but going forward, I'm going to use WebAPI whenever I need to transmit data over HTTP to browsers or any other connected client.
  
  

Files and Folders

• Working with PDF files in C# using PdfBox and IKVM - John Atten
  Working with PDF files in C# using PdfBox and IKVM.
  
  

Reviews on Third Party Products and Tools

• Liskov Substitution Principle and the Oft Forgot Third Wheel - Stacy Vicknair
  Liskov Substitution Principle (LSP) is a principle of object oriented programming that many might be familiar with from the SOLID principles mnemonic from Uncle Bob Martin.
  
  

Site & Server Management

• SignalR Online Counter Sample - Bahrudin Hrnjica
  A very simple SignalR Web Application which counts how many users are online.
  
  

Windows Phone 7

• Implementing the GeoCoordinateWatcher as a Reactive Service - Paulo Morgado
  With Rx, events are first class citizens that can be passed around and composed as needed in a very simple way.