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Site News

It's the May two-four weekend here in Canada and every Canadian knows what that involves. To avoid a messy weekend we're heading back to Australia for a few weeks of much needed rest and relaxation, and a break from this perfect blue-sky weather we're having.

Sean, Vince and the team will be manning the decks (or, more accurately, sitting at their desks looking wistfully at the blue sky) during the 3 weeks I'm away so we'll be looking after your articles and the forums as per usual.

I'll see you all in a few weeks.

PS. We are also currently working with a professor at Oregon State University to better understand what makes components reusable. In this (paid!) study, they would like you to identify up to 5 components on CodeProject.com that you have tried to use, and will ask you to describe whether it was easy or hard to use each. You would be able to do the study via an online interactive chat or a telephone, at your choice. As compensation, you would receive $10 for each component that you tell about (via PayPal). If you've got a few minutes to spare, then you can read more about the study. http://experiments.eecs.oregonstate.edu/general/components/

cheers,
Chris Maunder

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Weekly Poll Results

Do you do defensive programming?

Survey period: 14 May 2012 to 21 May 2012

"Defensive programming is ... intended to ensure the continuing function of a piece of software in spite of unforeseeable usage of said software". ie provide air-bags and ABS for your code. (suggested by the enigmatic V)

Option	Votes	%
Yes, I use defensive programming always	193	16.70
I use defensive programming mostly	509	44.03
I use defensive programming rarely	198	17.13
No, I don't use defensive programming design	59	5.10
I have no idea of what you speak.	197	17.04
Total	1156	100%

This week's survey: What makes a great gift for a developer?

Most popular new articles
14 May 2012 - 21 May 2012

• Performance analysis for String and StringBuilder - Shweta Lenka
  
• Populating a business logical layer from Stored Procedures - andrewbb@gmail.com
  
• Control trigger logic based on user - Mika Wendelius
  
• Linear Equation Solver - Gaussian Elimination (C#) - janismac
  
• Windows Mobile: Kiosk Mode Series, Part 1 - hjgode
  

Latest Additions

New articles added

C / C++ Language

• Two Ways to Realise the Composite Pattern in C++ and Qt - Volynsky Alex
  In this article I show the Object-Oriented Implementation of tree, by using Composite Design Pattern, C++ and Qt Framework. I will also explain why we do not use (although you can) in Qt the standard design of Composite Pattern as described in GoF.
  
  

C#

• Disentangling braces and semi-colons - Ed Nutting
  Disentangling the use of braces and semi-colons with a few boxes and my house.
  
  
• C# Easy Extension Properties - Moises Barba
  How to convince your C# objects to carry extended properties, in real time, and with no modifications in their code
  
  
• Apex Part 2: Adding Commands to an MVVM Application - Dave Kerr
  Learn how to add Commands to your MVVM application to add functionality without breaking the separation of View and ViewModel.
  
  

Database

• Control trigger logic based on user - Mika Wendelius
  This article describes a mechanism how trigger actions bypassed based on database user information
  
  
• In SSIS how to continue a for each loop container even if its inner tasks fails (Usage of Propogate Property in SSIS) - Smitha_Prabith
  How can we configure our foreach loop container, even when the task inside it failed
  
  

Design and Architecture

• Transportable Data Layer - The Lasting Layer - Tim Schwallie
  Create a layer than can last and move.
  
  

General Graphics

• Multidimensional Discrete Wavelet Transform - lxdfigo
  The implementation of multidimensional wavelet transform
  
  

HTML / CSS

• GoSlideshow HTML5 Canvas - Agon Avdimetaj
  HTML5 CANVAS
  
  

Interviews

• A Coder Interview With Jesse Liberty - The Code Project, JesseLiberty
  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 Jesse Liberty, a well-known developer, author, instructor, podcaster and currently a Developer Evangelist for Telerik
  
  

SharePoint Server

• SharePoint 2010 - Sharing data between Visual Web Parts - Yash85SP
  Web Parts are essential parts of SharePoint 2010 that helps developers and site owners to customize the SharePoint portal. There are lots of out of the box web parts available in SharePoint 2010. When you are building business portals definitely you will be in need to create your own web parts corre
  
  

Tools and IDE

• .Net REST service - CodingBruce
  Self-installing version tracking REST service for builds
  
  

Windows Mobile

• Remote windows mobile Device Using Winsock - emranallan
  Server Application to remote your mobile device through wireless/wire connection not based on RAPI
  
  

Windows Presentation Foundation

• Dragging Elements in a Canvas - igkutikov
  This is an alternative for "Dragging Elements in a Canvas"
  
  
• Scroll Synchronization - immortalus
  This is an alternative for "Scroll Synchronization"
  
  

Articles updated

.NET Framework

• Vietnamese Lunar Calendar for .NET - nthachus
  Implementation of Âm lịch Việt Nam for Microsoft.NET
  
  

Algorithms & Recipes

• Visual AST for ANTLR Generated Parser Output - Matthew YC So
  Build a visual AST from ANTLR parser
  
  

Android

• 3D Space Flight Demo for Android OS, with Accelerometer-Based Controls - _beauw_
  Simulation of flight in 3D space using OpenGL. The accelerometer-based UI is of particular interest.
  
  

ASP.NET

• CRUD Operation in ASP.NET Web Applications Using HTTP Handler and jQuery - Jigar Bagadai
  Easy approach to implement AJAX in ASP.NET without using an AJAX control
  
  
• ElmahR = ELMAH + SignalR - Wasp.NET
  ELMAH + SignalR = ElmahR, ASP.NET real-time error monitoring aggregating dashboard
  
  
• CodeStash - A useful (hopefully) tool for devs - Pete O'Hanlon, Sacha Barber
  A distributed code-snippet storage tool.
  
  

C / C++ Language

• Dangling Pointers: Pathology, Prevention and Cure - Pablo Aliskevicius
  Dangling pointers were a problem in the past, but nowadays we'll find none, right? Guess again...
  
  
• Number crunching: Why you should never, ever, EVER use linked-list in your code again - KjellKod.cc
  Most programming resources are wrong when comparing linked-list to vector. Here you can read and understand how they are wrong and why linked-list is (mostly) to be avoided.
  
  

C#

• From Zero to Proficient with MEF - Tim Corey
  Learn how to go from being an absolute beginner in the Managed Extensibility Framework to being an advanced user.
  
  
• Enhancing Your Custom Classes - Tom R Smith
  You can enhance the value of your custom classes through overrides, creating partials, and explicit type conversion.
  
  

Charts, Graphs and Images

• ASP .NET Plotter (HTML5, C# and Plot'N'Roll) - Akram El Assas
  Nowadays, There are a plenty of Javascript charting libraries used in organizations such as NASA, Eutelsat, MongoDB, Google. Justly, this article aims to show you how you can integrate Javascript charting libraries in ASP .NET and build your own charting user controls depending on your needs.
  
  

Client side scripting

• JavaScript Image Fader - Ed Nutting
  Fading multiple images using jQuery in JavaScript.
  
  

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
  
  

Date and Time

• Time Period Library for .NET - Jani Giannoudis
  Extensive time period calculations and individual calendar periods.
  
  

Design and Architecture

• Populating a business logical layer from Stored Procedures - andrewbb@gmail.com
  A brief look at a technique mapping tables to a basic business layer.
  
  
• Get injected into the world of inverted dependencies - jgauffin
  An introduction to Inversion Of Control containers and their purpose
  
  
• Presentation Patterns for XAML based Applications - Jani Giannoudis
  Design patterns on the presentation layer for WPF, Silverlight and Windows Phone applications.
  
  

GDI+

• C# Maze Generator and Solver - Mr.DDD Ibraheem AlKilanny
  Implementing a visual maze generator and solver using various algorithms and GDI+.
  
  

General Graphics

• Convert the image to float[][][]/float[][,]/T[][][]/T[][,] data , fast and safety - mibxue
  I support a group methods to load the image to double[,]/double[][,]/T[][,], that could help to manipulate the image
  
  

GPU Programming

• Permutations with CUDA and OpenCL - Wong Shao Voon
  Finding lexicographical permutations on GPU
  
  

Hardware & System

• Synchronous Bus for Control Systems - _beauw_
  Describes a synchronous bus and demo app (multi-CPU board driving a terminal).
  
  

Internet / Network

• fastJSON - Mehdi Gholam
  Smallest, fastest polymorphic JSON serializer (with Silverlight4 support)
  
  
• Creating an FTP Server in C# - Rick Bassham
  An introduction into creating a working FTP server in C# using the RFC specification.
  
  

Miscellaneous

• Sharing data among Windows Forms - Shahin Khorshidnia
  In a Windows application, passing values from a secondary form to the main form or share data among several applications (.NET application).
  
  
• MBColorPicker User Control Using VB.NET 2008 - Manoj K Bhoir
  A graphical interface to select a color from a set of various colors.
  
  

PHP

• Token Manager - VectorX
  The Token Manager allows web developers to program PHP, HTML, CSS and JavaScript into tokens that can be used throughout WordPress.
  
  

Scrapbook

• Real Programmers Don't Use PASCAL - Leo Moll
  Very humorous historical text about the art of programming computers
  
  

Selection Controls

• EnumFlagsSelector - select multiple enum values - zebrot
  How to use EnumFlagsSelector control to select multiple enum values
  
  

Static & Panel Controls

• CPPHtmlStatic v1.2 - Eugene Pustovoyt
  A control based on CStatic for displaying HTML-like text formatting elements.
  
  
• gGlowBox - Create a glow effect around a focused control (VB.NET) - SSDiver2112
  A custom Panel that creates a glow effect around a child control when it receives focus.
  
  

String handling

• String Manipulation in the .NET Micro Framework - jfriedman
  An article on string manipulation in the .NET Micro Framework.
  
  

Third Party Products and Tools

• Selling software using PayPal IPN as an eCommerce platform - AllanPolich
  Use PayPal API to automatize software selling, send templatized emails with license keys to customers
  
  

VB.NET

• An All VB.NET Explorer Tree Control with ImageList Management - Jim Parsells
  Explorer TreeView control with Shell Folder access class and Icon management.
  
  
• Adding Drag and Drop to an Explorer Tree Control - Jim Parsells
  ExpTree part 2: Adding drag and drop to the ExpTree control.
  
  

Windows Presentation Foundation

• WPF: Belt Clock - Meshack Musundi
  A WPF belt clock
  
  
• Simple Metro Style Panorama Control for WPF - Sacha Barber
  A simple Metro style Panorama control for WPF.
  
  

New Tips and Tricks added

Algorithms & Recipes

• Linear Equation Solver - Gaussian Elimination (C#) - janismac
  Linear Equation Solver - Gaussian Elimination
  
  

ASP.NET

• ASP.Net page partial rendering - J.Jash
  ASP.Net page partial rendering using Response.Flush() method
  
  
• How to manipulate the gridview cell in asp.net - bhaskarareddy
  
  
  
• Docking a GridView and add a horizontal scrollbar - Chamila Ranasinghe
  Following article describes how to add a gridview and a horizontal scrollbar without depending on the screen resolution
  
  
• Open PDF file in new browser tab using ASP.NET with C# - amit_sanandiya from morbi
  How to open a PDF file in a new browser tab using ASP.NET with C#.
  
  

Database

• How to guarantee a fixed amount of rows in a table in Oracle - Mika Wendelius
  This tip describes how to guarantee a fixed amount of rows in a table by using triggers in Oracle
  
  
• How to guarantee a fixed amount of rows in a table - Mika Wendelius
  This tip describes how to guarantee a fixed amount of rows in a table by using triggers
  
  
• Corel Paradox Seach Technique - doug433
  An alternate solution for a Corel Paradox query that fails to yield accurate results due to a huge number of records in a data table.
  
  
• Snippet and Surround features in SQL Server 2012 - Tigya
  Snippet and Surround features in SQL Server 2012.
  
  

Java

• Alternate Proxy class with bytecode manipulation - abhinav_soni
  This article provides alternative to Java's Proxy class with bytecode manipulation.
  
  

LINQ

• The Elegant Art of Programming - PIEBALDconsult
  This is an alternative for "The Elegant Art of Programming"
  
  
• The Elegant Art of Programming - Erol Esen
  This tip uses the elegant LINQ to solve pesky daily problems.
  
  

Miscellaneous

• Convert binary single precision value to float in JavascriptS - Robert Murrell
  Given a 23 bit unsigned integer that is really an IEEE single precision floating point number and convert it using JavaScript
  
  
• On-demand loading of images from a database - OriginalGriff
  Loading an image from a database isn't difficult, but it can waste time. If you are loading a large list of Images (or even thumbnails) from a DB but not using them immediately, then it can take some considerable time. Why not load them on demand instead?
  
  
• Making a component dynamically load the config file - Saikumar Koona
  How to make a component dynamically load the config file.
  
  

Smart Client

• Using Google Search By Image within your .NET application - Mohamed Amine Aboura
  Using Google Search By Image within your .NET application
  
  

String handling

• Performance analysis for String and StringBuilder - Shweta Lenka
  Performance analysis for String and StringBuilder
  
  

Tips and Tricks updated

ASP

• Send email using ASP with C# - amit_sanandiya from morbi
  How to send email using GMail or Yahoo! port.
  
  

LINQ

• The Elegant Art of Programming - Guillaume Leparmentier
  This is an alternative for "The Elegant Art of Programming"
  
  
• The Elegant Art of Programming - PIEBALDconsult
  This is an alternative for "The Elegant Art of Programming"
  
  

Office Development

• "Add to Calender": Adding event to Microsoft Outlook through Web Application - deeptibansal
  Adding event to Microsoft Outlook through Web Application
  
  

SharePoint Server

• How to: Create a footer for your SharePoint pages - Jakob Flygare
  This article shows how to create a footer for your SharePoint pages.
  
  

Threads, Processes & IPC

• BackgroundWorker in .NET Console Application - Shweta Lenka
  Behavior of BackgroundWorker thread for Console and Windows form apps.
  
  

New Technical Blogs added

ASP.NET

• When somebody changes my code... - Leonardo Paneque
  This blog entry is about that 'non-deterministic' behavior that sometimes happens to 'us' while developing software and all of the sudden something does
  
  

Design and Architecture

• Thumb rule in OOPS for Inheritance – Part 1 - Ajay Matharu
  Wherever object of parent class is expected object of child class can go.
  
  

Windows Mobile

• Windows Mobile: Kiosk Mode Series, Part 1 - hjgode
  How can you achieve a kiosk mode application, where the user is only allowed to do what you define.
  
  

Technical Blogs updated

Algorithms & Recipes

• Collective Intelligence: Ants colony solving TSP - Jan Fajfr
  Collective Intelligence or swarm intelligence is very interesting scientific field. As well as neural networks, this fields searches the inspiration in the nature. This post describes how to use the collective intelligence of ants to find the solution to Travelling Salesman Problem.
  
  

Client side scripting

• KnockoutJS and Google Maps binding - Jan Fajfr
  Integrating Google Maps and KnockoutJS.
  
  

Java

• J2EE - NetBeans, JSF, Persistence API - 2nd Part - Jan Fajfr
  Description of how to add some additional functions - create new company, edit company's details
  
  
• J2EE - NetBeans, JSF, Persistence API - Part 3 - Jan Fajfr
  How to extend the detail page of a company by adding a list of products of the company and a drop down list box, which will allow a user to add a new product to the list of the products of the company.
  
  
• CORBA - Manipulating Naming Service - Jan Fajfr
  This is a short post describing how to implement a simple tool to manage CORBA Naming Service.
  
  
• Mock Java Calendar - JMockit vs Mockito - Jan Fajfr
  This post discusses the different possibilities to mock the behavior of Calendar class in Java, in order to unit test the business methods which depend on this class. Three solutions are proposed.
  
  

Trace and Logs

• Common.Logging and compatibility with other libraries - Jan Fajfr
  This post shows you how to configure correctly Common.Logging together with Log4Net or NLog and explains the typical problems that you might expect while using this logging library.
  
  

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