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Site News

CodeProject growing and we're hiring! Actually we're always growing, but 2 developer positions have opened up and we're after someone special. If you're a C# / ASP.NET developer in the Greater Toronto Area who enjoys having 23 million other software developers breathing down their neck then do we have a job for you!

Interested? Check out the job page, and if you meet the criteria then complete the test, send us your completed app, your cover letter and your resume and then we'll ask the best of the best to come to our offices for an interview.

And speaking of top coders, our very own Pete O'Hanlon continues to grind away, single handed, on the Ultimate Coder Challenge: Going Perceptual. Follow Pete and send your words of encouragement, your suggestions, your updated music collection - anything to help him through. Go Pete!

cheers,
Chris Maunder

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Weekly Poll Results

This week's survey: Do you prefer to buy or rent software?

Most popular new articles

• ToDoList 6.6.4 Feature Release - An effective and flexible way to keep on top of your tasks - .dan.g.
  
• Piracy and Unconventional Wisdom - Chad Z. Hower aka Kudzu
  
• Using AvalonEdit (WPF Text Editor) - Daniel Grunwald
  
• Difference between And clause along with on and Where clause when used with left join in SQL Server - Hafiz Muhammad Suleman
  
• DayPilot - Building an Outlook-Like Calendar Component for ASP.NET - Dan Letecky
  

Latest Additions

107 articles overall. 30 new, 77 updated.

New articles added

Algorithms & Recipes

• Difference between dates using a 360 day calendar - ErnestoNet
  DAYS360 excel function
  
  

Android

• A Domain Specific Language for Android touch events: Part 2: Construction and inner workings - Serge Desmedt
  Conception of a DSL for creating touch gestures in Android.
  
  

Applications & Tools

• XSS vulnarability detection tool for JSP - Prasad Khandekar
  A tool to detect unsafe use of EL which leads to XSS Vulnarability
  
  

Design and Architecture

• Introduction to CQRS - Kanasz Robert
  In this article I will describe CQRS pattern on very simple example.
  
  

General Graphics

• What can be simpler than graphical primitives? Part 1 - SergeyAndreyev
  This article is about the moving and resizing of different graphical primitives.
  
  

Hardware & System

• Minimal Key Logger Using RAWINPUT - joejames111
  This is a VB.NET and C# version of "Minimal Key Logger Using RAWINPUT".
  
  

Interviews

• A Coder Interview With Ted Neward - CodeProject, Ted Neward
  Welcome to our continuing series of CodeProject interviews in which we talk to developers about their backgrounds, projects, interests and pet peeves. In this installment we talk to Ted Neward, "The Dude of Software".
  
  

Java

• DataSet - A Polymorph Collection - Nagy Vilmos
  A set of classes providing a polymorphic data structure.
  
  

Product Showcase

• Lightening Fast Troubleshooting for Your Cloud Applications - Jon Rooney
  Lightening Fast Troubleshooting for Your Cloud Applications
  
  

Tools and IDE

• FireKeys - Open Programs, Folders or URLs with Hot Keys! - Dave Kerr
  FireKeys is a tool that lets you set up hotkey bindings for your favorite programs or places. See how it works, download it and find out how the code was written!
  
  

VB.NET

• Hyper Picture Types Version 2 - Sina asefi
  Hyper Picture Types is a new version of ( jpeg , jpg and tiff ) tag file and you can store new details into your pictures.
  
  

Articles updated

.NET Framework

• Get a User's Full Name - jabit
  Use .NET 3.5's DirectoryServices namespace to quickly and easily get at a user's full name.
  
  

Ajax

• Google-like Search in ASP.NET - necmettin demir
  Google-like search using AJAX autocomplete extender.
  
  

Algorithms & Recipes

• Polynomial Equation Solver - Kenneth Haugland
  Solves 1st, 2nd, 3rd and 4th degree polynominal by explicid fomulas for real coefficients and any degree by the numerical Jenkins-Traub algorithm with real and complex coefficients.
  
  
• FirstWins Pathfinding Algorithm - O.G.I.
  Pathfinding algorithm based on a direction priority
  
  

Applications & Tools

• ToDoList 6.6.4 Feature 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.
  
  

ASP.NET

• Introduction to ASP.NET Web API - Ranjan.D
  Introduction to WebAPI. We shall see what it is with two sample real world implementation
  
  
• ASP.NET MVC 4 - Part [1] - Introduction - Shemeer NS
  Get started with ASP.NET MVC 4, Compare ASP.NET MVC with Webforms, Sample Application, MVC Master Page - Layout, MVC User Control- Partial View, @RenderBody, Membership management, ActionResults
  
  
• (Model view controller)MVC Interview questions and answers - Shivprasad koirala
  The whole purpose of this article is to quickly brush up your MVC knowledge from MVC interview perspective.
  
  
• Why(s) & How(s) of Asp.Net MVC Part 1 - Shahriar Iqbal Chowdhury/Galib
  Asp.net MVC fundamental ideas, advantages and details about request processing.
  
  
• ASP.NET MVC 4 - Part [0] - Setup Environment - Shemeer NS
  Setup Environment for ASP.NET MVC 4 in Visual Studio. (Install ASP.NET MVC 4 using Web Platform Installer / Standalone Installer / Nuget )
  
  
• Real Time Commenting using SignalR and XSLT - Amir Jalilifard
  How to make a real time commenting feature using SignalR
  
  
• ASP.NET MVC 4 - Part [2] - Project Items - Shemeer NS
  ASP.NET MVC project folder structure
  
  
• ASP.NET WebAPI Hosting Techniques - Ranjan.D
  We shall see different WebAPI hosting techniques by creating a WebApi library and referencing the same in different hosting projects. Also perform unit tests to confirm the functionality of our WebApi Logic
  
  
• D3.js crash course - Part2 - Espen Harlinn
  D3.js meets jQuery Mobile, WCF & ASP.Net
  
  
• Implementing Custom DelegatingHandler in ASP.NET WebAPI - Ranjan.D
  We will see how to Implement a custom WebAPI Delegating handler with two real world examples.
  
  
• An Introduction to Disqus (Pluggable Commenting System) with ASP.Net MVC 3 - Karthik. A
  This article discusses ways by which you could utilize Disqus in your web applications
  
  

ASP.NET Controls

• Dynamically adding and deleting rows from ASP.NET GridView - AshishChaudha
  This article talks about a small project that presents the idea of having a gridview which facilitate the addition and removal of rows dynamically at run time.
  
  

C#

• C# and VB.NET Code Searcher - Using Roslyn - woutercx
  A fast C# and VB.NET code searcher using Roslyn.
  
  
• Dictionary + Locking versus ConcurrentDictionary - Paulo Zemek
  In this article we'll see the differences between using Dictionaries with locking versus the ConcurrentDictionary and also why you should still need or prefer a normal Dictionary (or a home made implementation).
  
  
• Small File Transfer from Server to Client - SumanBiswas
  This small application will help you to gain basic knowledge about how file can be sent from server to client.
  
  
• Understand how bitwise operators work (C# and VB.NET examples) - ProgramFOX
  This is an article about how bitwise operators work, with examples in C# and VB.NET.
  
  
• AFP: Almost Functional Programming in C#: Part 2 - Andrew Rafas
  Putting the programming style to the test by using it in a multi-threaded server.
  
  
• Integrating your applications with MS CRM Online 2011 using C# SDK - Naveen Karamchetti
  This article provides helper code to quickly integrate your applications with CRM Online 2011 using C# SDK.
  
  

Client side scripting

• JavaScript Questions - RupeshKumar
  Discussing a few JavaScript fundamental topics to make our understanding more in JavaScript.
  
  

CodeProject FAQs

• Code Project Quick Answers FAQ - Sean Ewington
  This is an FAQ for the Quick Answers section. It can be modified by any Silver member.
  
  

Cryptography & Security

• Removing Strong-Signing from Assemblies at File Level (byte patching) - Andrea Bertolotto
  This article describes how to remove Strong Signing from .NET assemblies without recompiling code.
  
  

Custom Controls

• DayPilot - Building an Outlook-Like Calendar Component for ASP.NET - Dan Letecky
  A good-looking ASP.NET control that shows events visually arranged in a day calendar. Includes design-time support and data binding.
  
  

Database

• Difference between And clause along with on and Where clause when used with left join in SQL Server - Hafiz Muhammad Suleman
  This article clears the differences between the On cluase and Where clause when used with left join.
  
  

Design and Architecture

• Piracy and Unconventional Wisdom - Chad Z. Hower aka Kudzu
  As software developers, piracy is something that affects us all. You might not see it directly if you work for a large company but you still have an interest in who is using your company's software. If you work for a small company or are a solo developer, piracy hits a lot closer to home.
  
  
• The State Design Pattern vs. State Machine - thomas_jaeger
  How to use the State Design Pattern when compared to State Machines, Switch statements, or If statements.
  
  

Desktop Gadgets

• A Google Docs based backup applicaiton - Michael Haephrati
  A C++ client for uploading documents to your Google Docs account.
  
  

Edit Controls

• Using AvalonEdit (WPF Text Editor) - Daniel Grunwald
  AvalonEdit is an extensible Open-Source text editor with support for syntax highlighting and folding.
  
  

Files and Folders

• Directory Mirror using the FileSystemWatcher class - Luc Archambault
  An application that monitors a directory and maintains a copy of it.
  
  
• Extending boost::filesystem for Windows and Linux: Part 2 - Igor Stanic
  Manage Linux Trash and Windows Recycle Bin with C++.
  
  

Hardware & System

• Using Raw Input from C# to handle multiple keyboards - Steve Messer, Emma Burrows
  Windows XP supports multiple keyboards, but by default, the .Net Framework will treat them all as one. This article explains how to use the Windows API Raw Input methods to support multiple keyboards from a C# application.
  
  
• Powerful x86/x64 Mini Hook-Engine - joejames111
  This is an alternative for "Powerful x86/x64 Mini Hook-Engine"
  
  

HTML / CSS

• Canvas Control Library and New Forms Based System for building Web Pages and Websites - Akshay Srinivasan2
  Canvas Control Library provides highly customizable controls using the HTML5 Canvas element. Also includes a New Forms Based system which is a new way to build your web pages and websites.
  
  

Installation

• ClickOnce application autostart and clean uninstall or the way to customize ClickOnce installation - Ivan Leonenko
  Approach of light install/uninstall customizations for ClickOnce, including autostart and clean up on uninstall.
  
  

Internet / Network

• i00 NAT Forwarder - i00
  Automatic port forwarding for your UPnP enabled router.
  
  

Java

• Dropline Menu Tag Library - Prasad Khandekar
  A Dropline menubar control tag library for JSP
  
  

Libraries

• Using DotNetRules to verify, map, and change your objects - MatKainer
  The DotNetRules Library is a .NET rule engine that applies policies to objects without the need to call each Policy manually from code, but with one simple call.
  
  

Menus

• Bitmap Menu - Flaviu2
  A simple way to have a bitmap menu without any bitmap resource or ownerdraw
  
  

Miscellaneous

• An Introduction to Real-Time Stock Market Data Processing - Paul A Francis
  Discusses how stock market trading works, the different types of market data available, and provides a code example with sample data that processes a market data feed
  
  
• Symbol Inserter - CraigDJ
  An application allowing you to enter your top ten symbols without your fingers leaving the keyboard.
  
  

Mobile Development

• Techniques for Mobile-friendly ASP.NET MVC 4.0 web sites - Peter Carrasco
  How to make your ASP.NET MVC 4.0 web application mobile friendly
  
  

PHP

• Ultra-Rapid PHP Application Development - Christoph Buenger
  Describes PHP application development with the free Scavix Web Development Framework (Scavix-WDF)
  
  

SharePoint Server

• Force SharePoint Document Unlocked / Checked In - jabit
  Forces a checked out / locked document to be unlocked, even short-term locks.
  
  

Shell and IE programming

• .NET Shell Extensions - Shell Context Menus - Dave Kerr
  Rapidly create Shell Context Menu Extensions using .NET
  
  

Tabs & Property Pages

• WinForms Tab Control with properly drawn bottom tabs - VUnreal
  How to correctly draw WinForms Tab Control with bottom alignment when visual styles are enabled
  
  

Testing and QA

• Unit Testing Using NUnit - Neerajan Lamsal
  Unit Testing Using NUnit
  
  

Threads, Processes & IPC

• Android Inspired C# AsyncTask - pip010
  Inspired by Android asynchronous callback mechanism for short lived background tasks.
  
  
• Automatic thread synchronization - Exception based classes - Sudheesh.P.S
  Automatic thread synchronization classes which throw exceptions instead of error codes.
  
  

Tools and IDE

• Calculating Metrics and Searching with a CodeDOM (Part 8) - KenBeckett
  Calculating metrics on and searching a CodeDOM.
  
  

Windows Communication Foundation

• WCF Concurrency (Single, Multiple, and Reentrant) and Throttling - Shivprasad koirala
  An article on WCF concurrency and throttling.
  
  

Windows Presentation Foundation

• Growl Alike WPF Notifications - Ivan Leonenko
  Lightweight growl alike notifications for WPF project.
  
  
• Working with Google Drive in WPF - Jason Gleim
  Authenticating and uploading files to Google Drive.
  
  
• View control from a ViewModel with ViewCommands - Yves Goergen
  Describes a ViewCommand pattern analog to the Command pattern, only in the opposite direction to control Views from a ViewModel.
  
  
• A better WPF-Browser-Control (IE-Wrapper) - Robert Köpferl
  This article provides a better browser control than the one included in WPF
  
  
• Scoped Prism regions (Prism Work Item 8927) - Eugene Sadovoi
  Creating scoped regions during view discovery or region navigation.
  
  

XML

• XML Serialization and Deserialization: Part-1 - mayankgupta688
  XML serialization and deserialization using C#.
  
  

New Tips and Tricks added

.NET Framework

• Directly Hook to System Events using managed code (C#,VB.Net) - joejames111
  Hook to System Events without libraries or anything complicated.
  
  

Clipboard

• Projectile Motion in Picturebox C#.Net - Ubaid Ali
  
  
  

Database

• How to Compare Database Schema in VS 2012, How to Update the Target Database to the Server - Syed Moula Ali
  How to compare database schema in VS 2012 and how to update the target database to the server
  
  
• Backup/Restore PostgreSQL databases - Saddoud Anis
  Allow your applications the ability to backup and restore your PostgreSQL databases.
  
  

Edit Controls

• Get Viewable Text From Textbox - Ajit Amare
  Get the viewable text for your textbox.
  
  

Files and Folders

• Install and Setup Files - IPI Paul
  Use iPhone to install Windows Software
  
  

GDI

• Rendering Text with OpenType Fonts by GDI - wmjordan
  Rendering text with OpenType fonts by P/Invoking GDI API
  
  

Session State

• Session Management With Generics - Kundan Singh Chouhan
  Manage multiple sessions in a single property
  
  

Windows Powershell

• PowerShell file size scanner - madagaga
  Code sample to monitor file size on server.
  
  

Tips and Tricks updated

.NET Framework

• Mirror Keys for multiboxing MMORPG games like WOW/LOTRO - joejames111
  Raw input 64-bit .NET classes.
  
  

Ajax

• Pass Variables From Server to JavaScript after JavaScript is Loaded. - Marcio_Coelho
  This sample demonstrates how to pass data (variables) from code behind to JavaScript.
  
  

ASP.NET

• Web API Data Structure Controller - xibao
  Generate class definition for Web API Service Models.
  
  

C#

• Understand Lambda Expressions in 3 minutes - Dan Avidar
  Lambda expressions short tutorial.
  
  
• Supporting Contravariance in Generic Types, .NET 2.0 - wmjordan
  Generic Lists or Generic Types Contravariance without casting
  
  

Database

• Translating ANSI Column into Unicode (Arabic Code Page) - Emad Sammour
  Mapping table is used in the translation - output in Unicode (nvarchar)
  
  
• XML to Query Converter - BharatRamV
  Converts XML to SQL statements and executes them.
  
  

Dialogs and Windows

• Easy way to simulate keyboard press and release keys - Ahmed_Ahmed
  An easy way to simulate keyboard press & release keys to another application
  
  

Hardware & System

• ST Micro-electronics Device Firmware Upgrade (DFU/DfuSe) from C# - Mark McLean (ExpElec)
  ST provide a DFU module for their STM32 micro-controllers for firmware upgrade over USB. This is an example of how to use it from C#.
  
  

PHP

• Converting Numbers into their Words Equivalent - Oso Oluwafemi
  How to convert numbers [positive integers up to (1x10^64)-1] to their word equivalent (i.e. 12345 becomes Twelve Thousand, Three Hundred And Forty Five)
  
  

Printing

• C# PDF printing with a .NET library - Damir Sarcevic
  Printing and other PDF functions in a simple .NET library.
  
  

Validation

• Validating User Input Containing HTML tags in ASP.NET MVC - Daniel Killewo
  If you need that validation message saying: "Input field should not contain HTML...” then this short tip is for you!
  
  

Windows API

• DNS resolving and Parsing IP Address in Metro Style Applications (WinRT) - Tyronne Thomas
  DNS resolving and parsing IP address in Metro Style applications (WinRT).
  
  

Windows Communication Foundation

• Managing server failover in WCF - Dima Zevelev
  In this article I will talk about server failover and how to manage it.
  
  

Windows Presentation Foundation

• Shapes and Custom Drawing in WPF/Silverlight - Sujit Bhujbal
  In this article I will tell you how to create shapes and create custom drawings using the Path property.
  
  

New Technical Blogs added

C / C++ Language

• Forward Declaration and a Pointer - Bartlomiej Filipek
  Why forward declaration can cause some troubles with (smart) pointers.
  
  

Database

• New High-Availability/Disaster-Recovery solution provided by SQL Server 2012 - yuanfeng.ma
  Availability groups (AG) is used for (remote) disaster recovery.
  
  

iPhone

• View Unloading into the Future! - NSProgrammer
  Let's jump into memory warnings!
  
  

Miscellaneous

• Using Microsoft Ink Picture control - Anuraj Parameswaran
  This post is about working with the InkPicture control.
  
  

PHP

• Editing a Google Spreadsheet using PHP and CURL - Jonathan Cardy
  I wanted to edit a Google spreadsheet, and in particular, change the title of a worksheet – although the same concepts would apply to any kind of spreadsheet edit. I am using PHP and since there’s no client API for this, I am building up the HTTP requests using CURL. This was a nightmare
  
  

SharePoint Server

• SharePoint 2013 and SharePoint 2010 Delegate Controls - Melick
  A mechanism to inject a code or control to the SharePoint Master page with out touching any any code in the SharePoint Master page.
  
  

Testing and QA

• Testing async requests, mocking async methods with new Ivonna - Artem Smirnov
  For those of you who can't wait to start testing async requests, here's the good news (and no, there are no bad news in this post): starting with the 3.1 version of Ivonna, you can test them with the same syntax as before, i.e. using either session.Get(url) or session.GetPage(url).Ho
  
  

Tools and IDE

• How AutoHotKey saved the (Visual Studio) day - Joseph (landofjoe.com)
  Lance Hilliard has created a AutoHotKey script to effectively disable the Ctrl-Shift-S keyboard shortcut for Lync.
  
  

Ultrabooks

• Ultimate Coder – Week 3: Blog posting - Pete O'Hanlon
  This is a copy of the post I made on the Intel site here. For the duration of the contest, I am posting a weekly blog digest of my progress with using the Perceptual Computing items. This weeks post shows how Huda has evolved from the application that was created at the end of the first [...]
  
  

Uncategorised Technical Blogs

• Better Reference Counting (Safe Release) - NSProgrammer
  Better reference counting.
  
  

Technical Blogs updated

C / C++ Language

• Smart pointers gotchas - Bartlomiej Filipek
  Several issues related to smart pointers that is worth to know.
  
  

C++ / CLI

• Using C# from native C++ with the help of C++/CLI - Pragmateek
  Using C# from native C++ with the help of C++/CLI.