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Site News

CodeProject 10 Million

CodeProject will soon hit 10 million members and we want you to celebrate with us. We'd love for you to participate in one (or all!) of the following events:

• Submit your video telling us why you love CodeProject.
• Enter our World Bob Traveler Meme Contest.
• Attend one of the CodeProject meet-ups (starting this week) around the world

There's a huge prize pool. Get full details on our contest page. It's been a privilege being a part of this community and watching it grow. Let's raise a glass to our first 10 million members and the next.

We're hiring. Again!

Our jobs page outlines a couple of opportunities for talented C# and MySQL developers in or around Toronto, Canada to help us make a difference to several million developer's lives. Write code that helps your fellow software developers and get a chance to make the changes you've always wanted to make to your favourite site. The top developers in the world will use your work so this is not for the faint of heart. GTA developers: who's game?

Developer Challenge: $40,000 in prizes. Now with added Spot Challenges!

Each weekday morning from now until the D&B Developer Challenge ends on July 31, we will post a new $50 spot challenge in the comment section at the bottom of the contest page. Each challenge poses a simple questions, and to find the answers you'll have to dig into the D&B Developer Sandbox on Windows Azure and use the DataMarket service explorer to search the dataset. Questions will be posted at 10am ET each weekday morning and the first person to reply on the contest page with the correct answer wins. Please see the D&B Developer Challenge contest page for the full rules and conditions of entry. If you have any questions about the challenge or D&B data then join our live conversation every Thursday at 2pm ET/ 11 am PT. D&B technical and data people are on hand to help! (Please be aware this is North America only.)

cheers,
Chris Maunder

	D&B Developer Challenge What you can do with over 215+ million business records? Create your account through Windows Azure Marketplace to access D&B’s Dev Sandbox and then tell us about it. Check out the challenge & prizes here.
	5 Ways to Solidify Your APM Strategy with SaaS Increasingly complex app environments have furthered the need for smart & simple application performance monitoring (APM) solutions. SaaS-based APM allows apps & DevOps teams to proactively monitor, detect and fix application problems in just 2 clicks. Read now.
	Tizen Bootcamp at Senchacon 2013 In-depth, hands-on learning and lab to spin you up on building Tizen apps. Learn about Tizen architecture, tools and APIs from Tizen experts. Limited space. Included with conference registration. Tuesday, July 16, 2013, Orlando, Florida. Pre-conference 1:00 pm - 5:00 pm. Learn More
	Build your Social Community in the Cloud Your community, your data, your control. Social software on the Windows Azure cloud without compromise. Begin your 30 day no-charge, full-featured Evoq Social Trial from DNN - No install, no waiting, no problem. Get started!
	Give Boring Data a Facelift Iron Speed Designer is the fastest way to deliver feature-rich applications for .NET, SharePoint and software-as-a-service cloud computing environments. Amaze users with visually stunning applications that look like they took months to build. Download a Trial!
	Find the right Charting Component for Enterprise Developers FusionCharts offers a charting component to help you process and visualize heaps of data in the form of charts, reports, and dashboards. Learn how to build an immersive experience for your end-user. Download the whitepaper.

Weekly Poll Results

This week's survey: As a coder,, what do you see yourself as?

Most popular new articles

• KeePass Password Safe - Dominik Reichl
  
• TwitterBootstrapMvc - Dmitry A. Efimenko
  
• Upgrading an STL-based application to use Unicode. - Taka Muraoka
  
• .NET Shell Extensions - Shell Context Menus - Dave Kerr
  
• Zeta HTML Edit Control - Uwe Keim
  

Research

Choosing the Right Charting Component for Your Enterprise Product

Today, your end users need real-time access to relevant information pertaining to their business, even when they are on the move. Your products need to process and visualize heaps of data in the form of charts, reports, and dashboards. What you need need is a charting component that not only provides the correct visualization for the data, but also builds an immersive experience for your end-user. Download Now

Latest Additions

93 articles overall. 41 new, 52 updated.

New articles added

Algorithms & Recipes

• Bag-of-Features Descriptor on SIFT Features with OpenCV (BoF-SIFT) - Ravimal Bandara
  An implementation of Bag-Of-Feature Descriptor based on SIFT features using OpenCV and C++ for content based image retrieval applications.
  
  
• Yet another Pratt parser example and explaination - earthengine
  Includes some extensions of Pratt parser
  
  

ASP.NET

• Why(s) & How(s) of Asp.Net MVC Part 2 - Shahriar Iqbal Chowdhury/Galib
  Asp.net MVC model binding approaches, fundamental ideas, advantages and validating models
  
  

ASP.NET Controls

• Enable Twitter-Style Endless Paging for your ASP.NET GridView - Mehul_Harry
  Enable Twitter-Style Endless Paging for your ASP.NET GridView
  
  
• ASP.NET GridView Filter Template (coming soon in v2013 vol 1) - Mehul_Harry
  ASP.NET GridView Filter Template (coming soon in v2013 vol 1)
  
  
• New ASP.NET Image Gallery Control (coming soon in v2013 vol 1) - Mehul_Harry
  New ASP.NET Image Gallery Control (coming soon in v2013 vol 1)
  
  
• ASP.NET MVC - How To Embed MVC GridView Extension In To Tab Strip Extension - Mehul Harry
  How to place a data grid into one of the ajax-tab
  
  
• ASP.NET Tip: How To Show A Tooltip Using The ASP.NET Popup Control - Mehul Harry
  ASP.NET Tip: How To Show A Tooltip Using The ASP.NET Popup Control
  
  
• How to Create an ASP.NET Wizard Interface in ASP.NET MVC & WebForms - Mehul Harry
  How to Create an ASP.NET Wizard Interface in ASP.NET MVC & WebForms
  
  
• Talk to your computer with Chrome and DevExpress ASP.NET Combo Box - Mehul Harry
  Talk to your computer with Chrome and DevExpress ASP.NET Combo Box
  
  
• Web Design Tip: How-To Add jQuery Yellow Fade Effect to ASP.NET GridView - Mehul Harry
  Web Design Tip: How-To Add jQuery Yellow Fade Effect to ASP.NET GridView
  
  

Azure

• Know the Market (using DnB) - VijayaMalla
  Studying the Market with DnB Data , a trusted resource for all market research information.
  
  

C#

• Scribble: WPF InkCanvas application Using PRISM, MVVM - John-ph
  
  
  

Cross Platform

• Programming Xlib with Mono Develop - Part 2: Athena widgets (proof of concept) - Steffen Ploetz
  How to call native Xt API from Mono Develop C# ending up in a very little Athena widget application.
  
  

Hardware & System

• Simple Win32 Virus - Rasool Ahmed
  This article is for those who want to start building viruses, who want to understand how viruses work, and who want to build anti-viruses.
  
  

Product Showcase

• Scan and Upload Documents in ASP.NET MVC App using Dynamic Web TWAIN - Dynamsoft
  This article will show you how to scan and upload documents in an ASP.NET Model View Controller (MVC) 3 web application. We will be using the Dynamic Web TWAIN scanning SDK which is well used to expedite development and deployment of such an application.
  
  
• Mail Merges in the Cloud: using Aspose.Words for Cloud - Aspose
  Mail Merges in the Cloud: using Aspose.Words for Cloud
  
  

Web Services

• Create a Web Service Client using GSoap Toolkit over HP-UX Server - Octavio Sánchez Huerta
  Write a web service library for HP-UX Server
  
  

Articles updated

.NET Framework

• Using WebSocket in .NET 4.5 (Part 3) - Zhuyun Dai
  Using WebSocket in WCF service and communicating with the service in client applications or JavaScript on web pages
  
  

Algorithms & Recipes

• Abstract Nonsense in Software Development. Outlook - Petr Ivankov
  Multidisciplinary paradigm of software development
  
  
• High precision native Gaussian Elimination - Kenneth Haugland
  Solving linear equations and finding the inverse matrix using Gaussian elimination.
  
  
• Quick FFT - Mosi_62
  An FFT algorithm that runs a bit faster than the standard implementation.
  
  

Android

• Sending SMS in Android and Receiving Feedback - Azim Zahir
  This article explains how to send SMS in Android and receive sent and delivered feedback.
  
  

Applications & Tools

• KeePass Password Safe - Dominik Reichl
  KeePass is a free, open-source, light-weight and easy-to-use password safe.
  
  
• A sample real-time web application using Ember.js, REST API, and SignalR - quiit
  A sample real-time web application using Ember.js, REST API, and SignalR.
  
  

ASP.NET

• TwitterBootstrapMvc - Dmitry A. Efimenko
  Fluent implementation of ASP.NET-MVC HTML helpers for Twitter Bootstrap.
  
  
• .NET 4.0 ASP.NET MVC 3 plug-in architecture with embedded views - Liviu Ignat
  MVC 3 plugin architecture with embedded razor views: steb-by-step description and demo application.
  
  
• DataGrid View with "CRUD operations" using Dojo DataGrid, JsonRest Store, Entity Framework, SQL Server, ASP.NET MVC Web Api - Nikfazan
  DataGrid View with "CRUD operations" using Dojo DataGrid, JsonRest Store, Entity Framework, SQL Server, ASP.NET MVC Web Api
  
  
• Running an RDLC (SQL Report) in ASP.NET without SSRS - Tim Golisch
  SSRS and BIDS are nice for making reports, but they don't embed into your ASP.NET project very nicely. This is one way to do it without the requirement for full SSRS (and the security hoops).
  
  

Azure

• YouConf - Your Live Online Conferencing Tool - Phil Lee NZ
  A site for managing and delivering virtual conferences - complete with embedded live streaming and chat. Showcasing the best Azure has to offer!
  
  

C / C++ Language

• Environment Variable Compare - SajeeshCheviry
  Compare two system environment variables
  
  
• Creating a shortcut programmatically in C++ - Oso Oluwafemi Ebenezer
  This illustrate how to create shortcut to objects (both file and non-file like printers, folders, files. Drives, etc) in Win32 C++
  
  
• TidyXML - MrMikeJJ
  Designed to take XML and make it easy to read, by adding appropriate line breaks and tab indentation.
  
  
• Optimized Enter/Leave Logger - Santhosh G_
  Optimized method to log Enter and Leave information of functions.
  
  

C#

• From one to another positional number system - Perić Željko
  Developing and implementation of algorithm for converting number from one to another positional number system
  
  
• Stock Quotes and Charts from Google Finance using C# - Amanpreet Mukker
  Fetching Stock Quotes using Google Finance APIs in .NET Framework 4
  
  

Cryptography & Security

• Encrypting Editor Notepad replacement - Frank T. Clark
  A C# .Net 3.5 Windows Forms Application with source code.
  
  

Database

• Abstracting the ORM Framework - JP van Mackelenbergh
  Abstracting the ORM Framework via Repository/Unit Of Work patterns
  
  

Debug Tips

• Yet Another Logging Library - Taka Muraoka
  Message logging library
  
  

Design and Architecture

• An Absolute Beginner's Tutorial on Dependency Inversion Principle, Inversion of Control and Dependency Injection - Rahul Rajat Singh
  In this article we will talk about the Dependency Inversion Principle, Inversion of Control and Dependency Injection.
  
  

Dialogs and Windows

• Barcode Label Designer C# in Windows Forms - syed shanu
  Design your own Label, Barcode, Picture at runtime using Barcode Label Designer
  
  

Edit Controls

• Zeta HTML Edit Control - Uwe Keim
  A small wrapper class around the Windows Forms 2.0 WebBrowser control
  
  

Hardware & System

• Symbol Inserter - CraigDJ
  An application allowing you to enter your top ten symbols without your fingers leaving the keyboard.
  
  

Internet / Network

• UniversalSerializer - Christophe Bertrand
  A universal and easy serializer for .Net
  
  
• Inter-Application Domain Communication - chain1234
  Use the AppDomain to load another .NET assembly version.
  
  

Java

• DataSet - A Polymorph Collection - Nagy Vilmos
  A set of classes providing a polymorphic data structure.
  
  
• Java Thread Tutorial - Arash M. Dehghani
  This tutorial contains everything you need to know about basic threading (concurrency) in the Java language, simple and easy. Includes diagrams and code samples for better understanding.
  
  

Libraries

• Redirecting functions in shared ELF libraries - Apriorit Inc, Anthony Shoumikhin
  This article gives brief description of ELF libs structure and functioning and also shows how to intercept function calls from one library into another
  
  

Shell and IE programming

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

STL

• Upgrading an STL-based application to use Unicode. - Taka Muraoka
  Problems that developers will face when upgrading an STL-based application to use Unicode and how to solve them.
  
  
• Quick and convenient way to build STL strings. - Taka Muraoka
  A quick and convenient way to build STL strings.
  
  

Threads, Processes & IPC

• Understanding IPC from Scratch (Part 1) - Priyank Purwar
  An article that discusses IPC in detail
  
  

Ultrabooks

• The Companion App- Search Engine, GeoLocation Browser and Language Translator at one Place - The GreenHorn
  The Companion App: Its basically a utility app proposed for ultrabook which consists of the likes of a search tool, a geo location browsing tool and a language translator tool.
  
  

Web Security

• Hack Proof Your ASP.NET Application From Cross Site Scripting (XSS) - Sarvesh Kushwaha
  This article describes what XSS is and how to prevent XSS attacks.
  
  

Windows API

• Custom Controls in Win32 API: The Basics - Martin Mitáš
  A quick introduction into the development of custom controls in plain Win32 API.
  
  
• Custom Controls in Win32 API: The Painting - Martin Mitáš
  Understanding basics of custom control painting and avoiding the trap of control flicker
  
  

Windows Phone 7/8

• Android vs Windows Phone - Houssem_Dellai
  A comparison from developers perspective between Android and Windows Phone.
  
  

Windows Presentation Foundation

• Automatic Scrolling During Drag operation - Amit_Mittal
  A way to achieve automatic scrolling during a drag operation
  
  

New Tips and Tricks added

Algorithms & Recipes

• UInt128: Multiplication/Squaring - Jacob F. W.
  Multiplying and Squaring a 128 Bit Unsigned Integer
  
  

ASP.NET

• Test TCP/IP Connectivity Through aspx Page - Mahesh Bailwal
  Test TCP/IP connectivity through aspx page
  
  
• Select Right Programming Model with ASP.NET - Muhammad Naveed
  Programming models of ASP.NET
  
  

C#

• 4 Ways to Implement Lazy Loading in C# - Francesco Cariaggi
  Analyzing the Lazy Loading design pattern
  
  

Database

• SQL Server JOINs with Examples - Archit Patel
  An explanation of SQL Server JOINs with examples
  
  
• How to Copy SQL Table Into Excel and Other Formats - apachearun
  How to copy SQL table into Excel and other formats
  
  
• SSIS Tip 1: Using "Select Query" to define source - ThatsAlok
  Using coding define SSIS source connection.
  
  
• Create New Jobs In SQL 2012 - apachearun
  How to create new jobs in SQL 2012
  
  

HTML / CSS

• Stylish Glowing Button - Anoop Kr Sharma
  Stylish glowing button that catches everyone's eyes.
  
  

SharePoint Server

• Step by Step Approach to Create a Visual Studio SharePoint Workflow (Sequential) - Melick
  Create a Visual Studio SharePoint Workflow (sequential).
  
  

Usability

• An Approach to Creation of an “Interactive Resume” - VictorSotnikov
  An example of "interactive professional resume" as a Web application
  
  

Windows Phone 7/8

• Windows Phone: Page Navigation - ShubhamSaxena
  Learn about different types of page navigation in Windows Phone.
  
  

Windows Presentation Foundation

• All-Purpose Message Box in WPF - Maimonides
  Avoiding a cumbersome message box or input box that locks the application in WPF.
  
  

Tips and Tricks updated

Algorithms & Recipes

• UInt128: Addition/Subtraction - Jacob F. W.
  Adding and subtracting a 128 Bit Unsigned Integer
  
  

ASP.NET Controls

• How to Use CheckBoxListFor With ASP.NET MVC 4? - Sampath Lokuge
  Here I explain about a nice and cool CheckBoxListFor Plugin
  
  

Installation

• Adding connection string during installation - Purushotham Agaraharam
  Setup file creation and adding a connection string custom control.
  
  

LINQ

• LINQ to CSV - Hisham Abdullah Bin Ateya
  LINQ to CSV files.
  
  

Windows 8 Design

• Pin a Metro W8.0 Store App to the Taskbar - wim4you
  I wanted to pin a windows store app to the taskbar. This is not supported in W8.0.
  
  

Windows Communication Foundation

• WCF Example for Inserting, Deleting and Displaying Data using a WCF Service in ASP.NET - Sujit Bhujbal
  A practical example of a WCF service for inserting data into a database using ASP.NET
  
  

Windows Presentation Foundation

• Binding with Properties defined in Code Behind - Amit_Mittal
  An easy way to bind XAML with properties defined in code behind
  
  

New Technical Blogs added

.NET Framework

• What is New in Entity Framework 5? - Sampath Lokuge
  New features of the newly released Entity Framework 5 and significant improvements of the latest Entity Framework 5
  
  

ASP.NET

• Using CORS in ASP.NET WebAPI Without Being a Rocket Scientist - Rion Williams
  This article will discuss the steps necessary to implement and enhance CORS support within ASP.NET WebAPI allowing you to handle CORS Requests at a Global, Controller, or Action level to provide more flexibility when working with possible cross-origin requests.
  
  

Client side scripting

• Latest jQuery interview questions and answers - jQuery By Example
  Below is the list of latest and updated jQuery interview questions and their answers for freshers as well as experienced users. These interview question covers latest version of jQuery which is jQuery 2.0. These interview questions will help you to prepare for the interviews, for quick revision and
  
  

Database

• CASCADE in SQL Server with example - vinothharshad
  Use the ON DELETE CASCADE option if you want rows deleted in the child table when corresponding rows are deleted in the parent table.
  
  

Game Development

• Using the Spirit class to create basic units in an XNA game, WPXNA (13) - zoyobar
  Using the Spirit class to create basic units in an XNA game, WPXNA (13).
  
  

SharePoint Server

• Setting up the view of results in Cross-site Lookup column for SharePoint 2013 and Office 365 - Dmitriy Kozlov
  Setting up the view of results in Cross-site Lookup column for SharePoint 2013 and Office 365.
  
  
• Cascading drop-downs with Cross-site Lookup for SharePoint 2013 and Office 365 - Dmitriy Kozlov
  Cascading drop-downs with Cross-site Lookup for SharePoint 2013 and Office 365.
  
  

String handling

• Friends Don’t Let Friends Use String States - Keyhole Software
  The String State anti-pattern is the use of a Java String to represent the state of an object.
  
  

Uncategorised Technical Blogs

• Types of Secondary Storage Media - JoshuaKissoon
  There are several types of secondary storage media used today in the world, each of these can be compared to each other in terms of portability, speed and capacity.
  
  

Usability

• Where Is It? Where Brick and Mortar Misses the Mark - Zac Gery
  Happy visitors make happy customers!
  
  

Technical Blogs updated

.NET Framework

• Using WebSocket in .NET 4.5 (Part 1) - Zhuyun Dai
  In this serial of articles, I will share some knowledge I learnt recently in using WebSocket in .NET 4.5.
  
  

GDI+

• Fast pixel operations in .NET (with and without unsafe) - morzel
  Fast pixel operations in .NET.
  
  
• Why the use of GetPixel and SetPixel is so inefficient! - morzel
  Couple of seconds to process a one megapixel picture… what the hell?
  
  

Other .NET Languages

• Beginning IronPython - Pie and Ale
  An intro to IronPython.
  
  

Web Security

• Dangers of XSS - CdnSecurityEngineer
  I prove everyone who’s ever said XSS isn’t a serious vulnerability wrong.