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Site News

We continue to update and improve CodeProject.com and RootAdmin.com daily, and while I keep saying that updating an extremely high-load site live in front of millions of highly intelligent developers is not for the faint of heart, I do have to tip my hat to the guys doing the updates on the Mars rover. And I thought I had problems when my internet connection died halfway through an update...

The big news is still our $25,000 Android Game App Contest. $1000 in pries per month and a final grand prize of $25,000 cash. Late entries can't be accepted so please get your entries in NOW.

Not as big, but just as fun: head to the Lounge and click the "Subscribe" button at the top right to get daily updates of the top threads on the Lounge. For those who just can't miss a beat.

cheers,
Chris Maunder

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Weekly Poll Results

This week's survey: Which hardware platforms are you targeting directly?

Most popular new articles

• fastJSON - Mehdi Gholam
  
• DayPilot - Building an Outlook-Like Calendar Component for ASP.NET - Dan Letecky
  
• Apriori Algorithm - Omar Gamil
  
• RaptorDB - the Document Store - Mehdi Gholam
  
• Classical Encryption Techniques - Omar Gamil
  

Latest Additions

129 articles overall. 59 new, 70 updated.

New articles added

.NET Framework

• Using XPath to Navigate the File System - ideafixxxer
  How to implement XPathNavigator for file system
  
  

ASP.NET

• Exploring ASP.NET Validation Controls - Shemeer NS
  Here I'm going to explore ASP.NET Validation controls in depth with samples. Validation as an Image , Icon, Sound, Multiple Validations, Conditional Validations, Validation Group, CausesValidation, Page.Validate, Validation Properties and Methods, Client Side Validation, ValidatorValidate Client Sid
  
  
• Entity Framework - Second Level Caching with DbContext - Dylan Morley
  How to enable 2nd level caching in the Entity Framework when using DbContext.
  
  
• CRUD operation using ASP.Net and MySQL - @amitgajjar
  Create, Read, Update and Delete operations in ASP.Net with MySQL database with N-Tier Architecture
  
  

Audio and Video

• DirectShow Virtual Video Capture Source Filter in C# - Maxim Kartavenkov
  Articles describes how to create virtual video capture source directshow filter in pure C#
  
  
• Muting all microphones on WinXP - Alex Fotios
  How to enumerate and mute all microphone components under all mixer devices using the Audio Mixer API
  
  

C#

• Using NRefactory for analyzing C# code - Daniel Grunwald
  Use NRefactory to write a standalone application that refactors your C# code.
  
  
• Demystify http.sys with HttpSysManager - Nicolas Dorier
  Configure the HTTP traffic on your local machine. A nice alternative for netsh http.
  
  
• Exporting functions in C#/VB.NET to native code - roylawliet
  Discusses how to export methods in C#/VB.NET to be used in native code (such as C/C++)
  
  

Database

• Understanding Table Joins using SQL - sirama2004
  Joins are useful for bringing data together from different tables based on their database relations. First we will see how the join operates between tables. Then we will explore the Order of Execution when Join and where condition both exists. Finally we will move our exploration to the Importance o
  
  
• Variables And Expression in SSIS - Keshav Singh
  This is a very simple and brief video on variables, expression and casting of them in SSIS. It will also teach developers to pass result sets in SQL task.
  
  
• Package Configuration In SSIS - Keshav Singh
  This video introduces Package Configurations to the SSIS developers, you will learn: XML Configuration a.) Direct b.) Indirect (Using Environment Variables), Environment Variables, and SQL Server Configuration
  
  
• Performance of isolation levels and UPDLOCK - Alexandros Pappas
  This article provides a program to measure the performance of the different transaction isolation levels. It also examines the effect of using the UPDLOCK hint in SQL.
  
  

Design and Architecture

• Design Patterns 2 of 3 - Structural Design Patterns - Kanasz Robert
  In this second article about design patterns I will discuss about structural design patterns and I will show on real examples how to implement them.
  
  

Hardware Reviews

• ComponentOne for Entity Framework–Surprised Me - Devlin Liles
  ComponentOne Studio for Entity Framework impressions.
  
  

Internet / Network

• DotNet WebSocket Programming - GanesanSenthilvel
  WebSocket programming using .NET
  
  

Interviews

• A Coder Interview With Vanessa Hurst - The Code Project, DBNess
  Welcome to our continuing series of Code Project interviews in which we talk to developers about their backgrounds, projects, interests and pet peeves. In this installment we talk to Vanessa Hurst, founder of Developers for Good, co-founder of Girl Develop It!, and a consultant and advisor to startu
  
  

Mobile Development

• Pairs game - PavolSatala
  How to create a pairs game for about 90% of Smartphones?
  
  

Office Development

• PowerPoint timer (addin) - hevesir
  Timer Clock for PowerPoint 2007 (PPT-Addin)
  
  

Product Showcase

• Zero Footprint OCR with LEADTOOLS HTML5 - LEADTOOLS Support
  Performing Optical Character Recognition (OCR) on mobile devices has always been a challenge due to the minimal processing power and storage space. LEADTOOLS is changing the game with its HTML5 / JavaScript image viewer control and RESTful Web Services.
  
  

Solutions Center

• Wait Did You Say JavaScript? - FrankLavigne
  The truly marvelous thing about Windows 8 is how inclusive it is: you can write Metro style apps in C, C++, C#, VB or even JavaScript.
  
  
• Handling HTTP 302 Responses in WinRT - FrankLavigne
  Handling HTTP 302 responses in WinRT as I port an app of mine from the phone to Windows 8 Metro.
  
  
• How to make use of OCR technology through a web browser - Dynamsoft
  In this article, I’ll show you how to convert scanned images to searchable text and PDF files through a web browser.
  
  
• Supporting Custom Data Formats (Metro Style Apps Using JavaScript and HTML) - Windows Dev-Center
  The fundamental class that lets you share data between apps—the DataPackage—supports two kinds of formats: standard and custom.
  
  
• How to Track Recently Used Files and Folders (Metro Style Apps Using JavaScript and HTML) - Windows Dev-Center
  All Metro style apps have their own mostRecentlyUsedList.
  
  
• How to Bind to Hierarchical Data and Create a Master/Details View (Metro Style Apps Using C#/VB/C++ and XAML) - Windows Dev-Center
  You can make a multi-level master/details view of hierarchical data by binding list controls to CollectionViewSource instances.
  
  
• Data Binding Overview (Metro Style Apps Using C#/VB/C++ and XAML) - Windows Dev-Center
  Data binding provides a simple way for Metro style apps using C++, C#, or Visual Basic to display and interact with data.
  
  
• Calling Asynchronous APIs in C# or Visual Basic - Windows Dev-Center
  By providing asynchronous APIs, the Windows Runtime helps to ensure that your app stays responsive to the user when it's performing long operations.
  
  
• Adding Page Controls (Metro Style Apps Using JavaScript and HTML) - Windows Dev-Center
  Unlike other Windows Library for JavaScript controls, you don't instantiate a PageControl directly. Instead, you create a PageControl by calling the WinJS.UI.Pages.define method.
  
  

Uncategorised Technical Blogs

• The web architecture of The Internet map - irriss
  How the Amazon Cloud solutions help tackle huge load and how much it may cost
  
  

Windows Presentation Foundation

• MVVM - Demo - Ravi Teja Pidaparthi
  If you are new to MVVM this is the place to start. Explains MVVM through an example.
  
  

Articles updated

.NET Framework

• Gmail Reader (GMan - The Gmail Postman) - Anup Shinde
  Speaking Gmail mails using Microsoft Agent and Gmail Atom feeds.
  
  

Algorithms & Recipes

• Apriori Algorithm - Omar Gamil
  Implementation of the Apriori algorithm in C#.
  
  
• Classical Encryption Techniques - Omar Gamil
  Implementation of famous Ciphering algorithms
  
  
• Getting the File System Image and Deleted Data Recovery - Apriorit Inc
  This article describes the process of recovering of deleted data from the flash drive
  
  
• Solving Steiner problem with the help of steel annealing algorithm. - Sergey Vystoropskiy
  Steiner problem solution.
  
  
• How to Calculate the Chi-Squared P-Value - Jacob F. W.
  Learn the Secrets of the Universe
  
  

Android

• Integrating C Subroutines into an OpenGL ES Application with the Android NDK - _beauw_
  The article attempts to provide an accessible but non-trivial example of how C subroutines can be integrated into a Java-based Android OpenGL ES application.
  
  

ASP.NET

• Social News - Marcelo Ricardo de Oliveira
  A facebook-like application implementing KnockoutJs and SignalR
  
  
• PDF reporting using ASP.NET MVC3 - Patrick Kalkman
  A description and solution for creating PDF reports using ASP.NET MVC3.
  
  
• Know your application better with visual studio 2010 load testing - Shahriar Iqbal Chowdhury
  Configure visual studio load testing tool and utilize to scale application by analyzing testing results
  
  
• Forcing Email Read-Receipts - Anup Shinde
  This article explains on how to check if the mail that you sent was read or not
  
  

Audio and Video

• Pure .NET DirectShow Filters in C# - Maxim Kartavenkov
  Article describes how to make DirectShow Filters in .NET, it consist of BaseClasses and couple of samples
  
  
• Play or Capture Audio Sound: Send and Receive as Multicast (RTP) - Banjoo
  Play sound, capture sound, repeat sound from sound device to sound device. Read and write Wav-Files. Send and receive Ulaw RTP-streams. Using the WaveIn WaveOut functions of the WMM API.
  
  
• Muting all microphones on Vista/Win7 - Alex Fotios
  How to enumerate and mute all audio capture endpoints using Core Audio API
  
  

Bugs & Workarounds

• Zeta Long Paths - Uwe Keim
  A .NET library to access files and directories with more than 260 characters length
  
  

C / C++ Language

• How to replace recursive functions using stack and while-loop to avoid the stack-overflow - Woong Gyu La
  This article explains 10 rules (steps) for replacing the recursive functions using stack and while-loop to avoid the stack-overflow
  
  
• How to create a Simple Lock Framework for C++ Synchronization - Woong Gyu La
  This article explains how to create your own simple Lock Framework for C++ Synchronization
  
  
• C++ Object destruction event - Antonyxt
  vtable modification and destruction event handling
  
  

C#

• ReflectionHelper - Paulo Zemek
  This class makes getting MemberInfos easy, without the use of magic strings (so it is refactoring friendly) and also allows you to create delegates to do fast accesses to those items, much faster than the normal Invoke, GetValue or SetValue methods.
  
  
• Inline MSIL in C#/VB.NET and Generic Pointers - roylawliet
  Discusses inline-IL in C#, benefits and uses and how to achieve it.
  
  

Charts, Graphs and Images

• ASP.NET Plotter Toolkit - HTML5 Charting for all - Akram El Assas
  ASP.NET Plotter Toolkit makes the process of creating ASP.NET charting controls much simpler and much easier. The toolkit comes with extendable HTML5 charting controls for plotting time series and dense data sets.
  
  

COM / COM+

• .NET COM interoperation - Fighting with RCW memory leaks - Bank Chen
  This article explores the rules of how AddRef and Release are called in RCW and COM, which addresses the issue of RCW memory leaks.
  
  

Cryptography & Security

• How to Generate (and Validate) CD-Keys for your Software - dawmail333
  An example of how to implement and validate non-personal CD-Keys (ideal for distribution on the back of CD cases)
  
  

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

• RaptorDB - the Document Store - Mehdi Gholam
  NoSql, JSON based, Document store database with compiled .net map functions and automatic hybrid bitmap indexing and LINQ query filters (now with standalone Server mode, Backup and Active Restore, Transactions, Server side queries)
  
  
• Most Commonly Used Functions in SQL Server 2005/2008 - Abhijit Jana, Abhishek Sur
  This Table of Contents and articles is editable by all Silver members and above. Please update the article with as many as function you aware in SQL Server 2005/2008 that we are used generally. This will put all of them under a single article.
  
  
• MySqlBackup.NET - MySQL Backup Solution for C#, VB.NET, ASP.NET - adriancs
  Unicode, UTF8 character backup and restore of MySQL database in C#.
  
  
• Save and Retrieve Image from a SQL Server Database using VB.NET - Patil Kishor
  How to save and retrieve an image from a SQL Server database in VB.NET.
  
  
• About transaction log and its truncation in SQL Server - Mika Wendelius
  Article describes basic information about transaction log behavior and truncation of the log.
  
  
• EpOraLibrary - A lightweight C++ wrapper over Oracle's OCI library - Woong Gyu La
  This is an alternative project of "OraLib - a lightweight C++ wrapper over Oracle's OCI library"
  
  

Design and Architecture

• Illustrated Design Patterns: More real-life examples in C# - Mahesh Kumar Velayutham
  Design Patterns with more real-time examples in C#
  
  

Dialogs and Windows

• Win32 Window Minimal - Jani Mäkinen
  Getting started with Win32 programming through creating a window with minimum code and complexity
  
  

DirectX

• Modifying Quake 3 - The Homing Missile Approach - Anup Shinde
  Here I have shown how to compile and modify the Quake 3 source code to create a Homing Missile.
  
  

Game Development

• Learning XNA 2D Engine IceCream With 1945 Demo Project - Tyler Forsythe
  IceCream1945 is a demonstration of XNA and the IceCream 2D library in a 2D top-down scrolling shooter similar to 1942 for the NES.
  
  

Grid & Data Controls

• WPF Grid Column and Row Hiding - immortalus
  WPF Grid Column and Row Hiding
  
  

Hardware & System

• A Platform for Unrestricted Low-level Hardware Programming and Experiments (NakedCPU) - Dr. APo
  This article presents an experimental platform consisting of two computers to conduct hardware programming and research, unrestricted by any Operating System.
  
  
• Morse code from a tiny chip - peter gabris
  Example PIC microprocessor program on a tiny RF transceiver.
  
  
• ServiceBlocker - Ali Javani
  A Windows service that blocks any unwanted services
  
  

HTML / CSS

• Text to Speech (tts) for the Web - Robin Rizvi
  This article discusses text to speech conversion for web applications.
  
  
• Geo-locate incoming emails - Anup Shinde
  This article briefly explains the not so technical method of geographically tracing email
  
  
• Canvas Control Library & New Forms Based System for building Web Pages & 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.
  
  

Internet / Network

• fastJSON - Mehdi Gholam
  Smallest, fastest polymorphic JSON serializer (with Silverlight4 support)
  
  
• How to Send Mails from your GMAIL Account through VB.NET or C#. Windows Programming, with a Bit of Customization - Abhishek Sur
  Sending Mails from your Windows Application
  
  
• fastBinaryJSON - Mehdi Gholam
  A binary JSON serializer based on fastJSON
  
  

iPhone

• Reusable collapsable table view for iOS - Bernhard Häussermann
  A set of source files that extends the UITableView so that it has sections that can be collapsed and expanded.
  
  

Libraries

• MVC PLUS for MVC.NET 3.00 - Brian Samiee
  WebLights Component Library
  
  
• Inheritance mapping strategies in Fluent Nhibernate - Igor Ignatov
  This article explains and illustrates on a practical example, how the support of different inheritance mapping strategies is implemented in Entity Developer with Fluent NHibernate.
  
  
• Starting with Prism - Part 1 of n - Shweta Lodha
  An introduction to Prism.
  
  

LINQ

• Black Art – LINQ expressions reuse - Asher Barak
  When developing a complex line of business system queries, reuse is often required. This article provides some guidelines and tools for LINQ expressions reuse.
  
  

Miscellaneous

• Creating a postit control in C# (.Net 3.5) - martinbaeumer1981
  A postit control
  
  

Mobile Development

• Air hockey - PavolSatala
  How to create an air hockey game for one player against the artificial intelligence for three mobile platforms with only one code?
  
  

Office Development

• Integrating Microsoft Word in your .NET applications - Anup Shinde
  This article explains how you can integrate Microsoft Word in your .NET applications.
  
  
• Reading Online CSV File and Manage it into Microsoft SQL Database - Abdul Quader Mamun
  How to read an online Excel file and manage it in Microsoft SQL database
  
  

Solutions Center

• Adventures in Windows 8: HTTP Post Helper WinRT Component - FrankLavigne
  Adventures in Windows 8: HTTP Post Helper WinRT Component
  
  

User Controls

• CheckBoxList(For) - a missing MVC extension - Mikhail Tsennykh
  Extends MVC HtmlHelper class so you can create POSTable checkbox list
  
  

Windows Phone 7

• Include static JS / CSS / image files from IsolatedStorage in WebBrowser control - Nicolas Humann
  Include static JS / CSS / image files from IsolatedStorage in the WebBrowser control.
  
  

Windows Powershell

• Using PowerShell to Generate TFS Change Manifest for Build Artifact Delivery - Gary Stafford
  Use PowerShell 2.0 to aid in the delivery of build artifacts for release, by generating a manifest of file changes.
  
  

Windows Presentation Foundation

• Autocompletion with RichTextBox in WPF as Behavior - korsarz33
  This article is describing behaviors ala Intellisense. I'll talk about how to extend the RichTextBox display behavior without interference in the control, without overwriting any of the members, fully configurable in the Xaml code, with the possibility of dynamic control.
  
  

WinHelp / HTMLHelp

• Htmlhelp Forensics - Christian Ernst Rysgaard
  Cracking the htmlhelp .chm storage format to remove annoying file-lock bug and for the sheer fun of it!
  
  

New Tips and Tricks added

.NET Framework

• Building and Implementing Static Library in VC++ - chaq686
  Learh how to build a Static Library Project from scratch, and implement it in Visual C++ solution
  
  

ASP.NET

• Sharing Authentication Cookie between two ASP.NET Applications - Milan Mathew
  Sharing the authentication information between applications.
  
  
• Bug in Gridview Editing - Pranay Rana
  Bug in Gridview Editing
  
  

C / C++ Language

• shared_ptr and the class factory - mzdude
  shared_ptr and the class factory
  
  

C#

• How to Use C# to Create Excel Worksheet and Convert to PDF - loveyou999
  This tip shows you a fast solution to create Excel worksheet and convert it to PDF.
  
  
• C# NotificationCenter - One Man Crew
  A NotificationCenterManager object (or simply, notification center) provides a mechanism for broadcasting information within a program.
  
  
• How to make a MS Report using several datatables - Vidor
  How to make a MS Report using several datatables.
  
  

Database

• Setting-up Oracle Database for .NET development - Member 8770718
  How to set-up an Oracle database for .NET development.
  
  
• Table data sharing across stored procedures - ManojKumar19
  This article demonstrates how table data can be shared in two stored procedures.
  
  
• SQL Server database backup using a Batch file - Charitha Athukroala
  This article will help you make a Batch file which can easily backup SQL Server databases.
  
  
• Database paging, pure SQL solution - DrABELL
  Specify rows offset and row numbers in a single SQL statement
  
  

HTML / CSS

• Interface Experiences: Float Right CSS! - Caleb McElrath
  There is more to styles in web development than .class and #id. The structure of your HTML is also important.
  
  

Mobile Development

• Creating a Mobile Application Using MVC4 - Ravindra T C
  How to build a MVC4 Mobile application.
  
  

Printing

• Programmatic Printing - Zac Newman
  Easy to ready printing options for vb.net
  
  

SharePoint Server

• SharePoint 2010 Groups and Users - Jean Paul V.A
  The server object model for fetching groups and users.
  
  

Third Party Products and Tools

• XML To-&-From: File & XML & Infragistics Hierarcal UltraGrid - KinnMirr
  Moving data to/from hierarchical data is tricky. This will help.
  
  

Tips and Tricks updated

.NET Framework

• A Simple Stream Implementation for Debugging - mlzg4
  This stream implementation is fast, thread-safe, easy to use, and very useful for debugging large distributed or concurrent projects.
  
  

Charts, Graphs and Images

• Previewing Image in ASP.NET Image Control using C# - Santhosh Kumar J
  Previewing Image in ASP.NET Image Control using C#
  
  

LINQ

• How to use SqlDataReader result in a Layered Architecture without DataSet - Akram El Assas
  This tip shows how to use SqlDataReader result in a Layered Architecture without DataSet
  
  

Programming Tips

• Using enum to define a new enum - Mika Wendelius
  This tip describes how to use an existing enum to define a new, for example a context specific enum.
  
  

Windows Phone 7

• Bing Maps in Windows Phone - Dellai Houssem
  Using Bing Maps in Windows Phone 7
  
  

New Technical Blogs added

Algorithms & Recipes

• Jail Break Quiz - rtybase
  A Java program to solve the jail break quiz.
  
  
• K-Means Clustering Algorithm - rtybase
  This post is dedicated to K-Means Clustering Algorithm, used for unsupervised learning.
  
  
• Not so many irreducible fractions - rtybase
  A solution to a Math problem.
  
  
• Weird functions! - rtybase
  Solution to a Math problem.
  
  
• The Code, Part 3 - rtybase
  Solution to a puzzle.
  
  
• More maths from IMO 2011 - rtybase
  Solution to a Math problem.
  
  

ASP.NET

• Controller lookup and default controller factory - After2050
  How the DefaultControllerFactory performs controller lookup and how it applies caching mechanism to improve performance.
  
  

Shell and IE programming

• Shell script for converting progressive JPEGs to baseline - Alex Fotios
  Identify all progressive JPEGs in a directory tree and batch convert them to baseline.
  
  

Testing and QA

• How many defects are there? - rtybase
  The number of defects (on average) produced during a software elaboration project.
  
  

Third Party Products and Tools

• Buildbot Part II – Running automated build and tests - mariangemarcano
  Configuring buildbot to run automated builds and tests.
  
  

Uncategorised Technical Blogs

• Your Crystal Reports Probably Suck - IndifferentDisdain
  I know mine do.  Since entering the grown-up job market in 2004, I've worked for three different companies, and I've been compelled to develop Crystal Reports for all three. In my current role, Crystal Reports development is a primary function for me.  Why do my reports suck?I hate the designer. It'
  
  

Windows Communication Foundation

• Simple Steps to Enable Transactions in WCF - Imran Abdul Ghani
  Transaction is basically a logical unit of work comprising of activities that all needed to be succeeded or failed, and also it must be compliant with ACID principals.Movement of money from a bank account to another is a simple example of a transaction. In this single transaction, two operations wil
  
  

Technical Blogs updated

HTML / CSS

• HTML5 Games 101 - An introductory tutorial to HTML5 Games - Aniruddha Loya
  In this tutorial, I will show you how to use the basic features of HTML5 and get the simple game of Snake up and ready within a couple of hours, even if you are a beginner.
  
  
• Newgen: Making a simple HTML Widget - Neeraj Durgapal
  Making a simple HTML Widget.
  
  

Java

• Scope of variables in Java, nulling and why this might be important - rtybase
  Scope of variables in Java, nulling and why this might be important.
  
  

Programming Tips

• Factoring big numbers and RSA - rtybase
  A short article showing how not to RSA
  
  
• Few words about ConcurrentHashMap - rtybase
  An use case for ConcurrentHashMap
  
  

Uncategorised Technical Blogs

• Retrieve MarketPrice from FixServer using QuickFix - Neeraj Kaushik 1980
  Retrieve MarketPrice from FixServer using QuickFix (FIX)