.NET Junkie

CuttingEdge.Conditions source used for MongoDB .NET Driver

Mon, 28 Jun 2010 17:40:00 +0200

Since I built CuttingEdge.Conditions, I had lots of positive reactions from developers who loved it. However, I've never saw the source code been reused in another library or framework; until now.read more...

Breaking changes in SmtpClient in .NET 4.0

Thu, 06 May 2010 15:41:00 +0200

In .NET 4.0 the SmtpClient class now implements IDisposable. This is a breaking change what you should watch out for.read more...

Protecting against Regex DOS attacks

Wed, 05 May 2010 12:14:00 +0200

Bryan Sullivan describes in the May issue of his MSDN article a denial of service attack that abuses regular expressions. As Bryan explains, a poorly written regex can bring your server to its knees.read more...

Breaking changes in .NET 4.0

Tue, 13 Apr 2010 08:28:00 +0200

Microsoft published an interesting list of breaking changes in the just released .NET 4.0 framework.read more...

Validator inheritance while using Validation Application Block configuration files

Mon, 22 Mar 2010 21:30:00 +0200

This article describes how to build an IConfigurationSource implementation that allows validators, defined in a base class or interface, to be inherited by subclasses and implementations.read more...

Splitting up Validation Application Block configuration into multiple files

Fri, 05 Mar 2010 12:05:00 +0200

This article describes how to build an IConfigurationSource implementation that allows reading multiple configuration files that each contain part of the total Enterprise Library Validation Application Block configuration.read more...

Printer Jam

Fri, 19 Feb 2010 11:07:00 +0200

The last couple of days I've been having a Printer Jam on my way to work.read more...

Simple Service Locator - The easiest Inversion of Control framework in town

Wed, 06 Jan 2010 17:35:00 +0200

The Simple Service Locator is an easy-to-use Inversion of Control library that is a complete implementation of the Common Service Locator interface. It solely supports code-based configuration and is an ideal starting point for developers unfamiliar with larger IoC / DI librariesread more...

CuttingEdge.Conditions in MSDN Magazine Toolbox column

Tue, 10 Nov 2009 22:14:00 +0200

In the November 2009 issue of his MSDN Magazine Toolbox column, Scott Mitchell writes about CuttingEdge.Conditions.read more...

Vote for Visual Studio Text Editor Guidelines to Return

Tue, 03 Nov 2009 17:42:00 +0200

Visual Studio 2005 and 2008 contain a (not officially supported) feature that allows display of vertical guidelines in the (code) text editor. Visual Studio 2010 however, seems to completely miss this feature. I created a feature request on Microsoft Connect. Please help and vote for this feature to return.

Sorting entities with the EntitySorter

Sun, 25 Oct 2009 21:28:00 +0200

This article describes the EntitySorter class. It's a nifty little thing that allows the presentation layer to instruct the service layer how collections should be returned.read more...

Putting the Validation Application Block configuration in its own file

Wed, 30 Sep 2009 11:00:00 +0200

This article describes how to extract the validation configuration to its own file and allow this to also work with unit tests.read more...

Integrating Enterprise Library Validation Application Block With LINQ to SQL and Entity Framework Part 4: Using Metadata to Automate Validations

Wed, 30 Sep 2009 01:30:00 +0200

This article describes how to extract information from your generated LINQ to SQL entities to automate validations like maximum string length and disallowing null values.read more...

Research on botnets

Thu, 24 Sep 2009 10:31:00 +0200

I just watched an amazing Google Talk video on YouTube that explains how botnets work.read more...

Preventing Cross-site Request Forgery Attacks Using ViewState

Sat, 19 Sep 2009 17:14:00 +0200

This article describes what Cross-site request forgery attacks are and how to mitigate them.read more...

Microsoft Anti-Cross Site Scripting Library 3.1 released

Sat, 19 Sep 2009 12:44:00 +0200

The Microsoft Anti-Cross Site Scripting Library (Anti-XSS) is an encoding library designed to help developers protect their ASP.NET web-based applications from XSS attacks.read more...

NDepend

Mon, 14 Sep 2009 17:50:00 +0200

For over three years I've been using NDepend. In this post I'll describe my thoughts on NDepend.read more...

CuttingEdge.Conditions version 1.0 released

Mon, 07 Sep 2009 16:51:00 +0200

Last week I published the first stable release of CuttingEdge.Conditions.read more...

Removing Otherwise method from CuttingEdge.Conditions

Wed, 26 Aug 2009 13:36:00 +0200

In this post I’ll describe another breaking change I’m making to my open source project, CuttingEdge.Conditions.read more...

Controversial change in CuttingEdge.Conditions

Mon, 24 Aug 2009 17:49:00 +0200

In this post I’ll describe a controversial change I’m making in my open source project, CuttingEdge.Conditions.read more...

The evilness of ApplicationException

Thu, 20 Aug 2009 13:14:00 +0200

This post explains what’s wrong with ApplicationException and why it should not be used.read more...

Book: Microsoft .NET: Architecting Applications for the Enterprise.

Tue, 18 Aug 2009 17:32:00 +0200

Last month I read ‘Microsoft .NET: Architecting Applications for the Enterprise’, written by Dino Esposito and Andrea Saltarello. This book is a great piece of work.read more...

Free C# 3.0 Pocket Reference ebook

Mon, 17 Aug 2009 10:27:00 +0200

Just found this free ebook on the Red Gate site:read more...

Choosing FxCop rules for Line Of Business applications

Sun, 16 Aug 2009 11:09:00 +0200

Dennis Doomen, architect at Aviva Solutions, published a set of C# 3.0 Coding Guidelines a few months ago. While a lot of different C# coding guidelines can be found on the web, this one caught my attention.read more...

Porting a LINQ to SQL to Entity Framework project

Sat, 15 Aug 2009 11:28:00 +0200

The Entity Framework Design blog just published a template that enables converting a LINQ to SQL .dbml file to a Entity Framework .edmx file.read more...

NCover supports CuttingEdge.Conditions

Fri, 14 Aug 2009 14:21:00 +0200

The NCover team has supported my open source CuttingEdge.Conditions project by donating a license of this cool tool.read more...

I went to the DevDays...

Fri, 29 May 2009 23:08:00 +0200

... and all I got was this lousy CodePlex Sticker.

Integrating Enterprise Library Validation Application Block with LINQ to SQL and Entity Framework Part 3: The complexity of custom validators.

Thu, 28 May 2009 22:29:00 +0200

This article shows the complexity a developer is facing, implementing a custom validator while using an O/RM tool. While the article uses the Validation Application Block and LINQ to SQL in writing the validation logic, the problems encountered in the article are very general.read more...

Protecting against XML Entity Expansion attacks

Sat, 23 May 2009 12:24:00 +0200

Tom Hollander describes on his blog a denial of service attack I never knew the existence of, called XML Entity Expansion attack. Tom explains how to bring a server to its knees when allowing any type of xml document as input and passing it directly to an XmlDocument for parsing.read more...

Integrating Enterprise Library Validation Application Block with LINQ to SQL and Entity Framework Part 2: Using context within custom validators.

Thu, 21 May 2009 18:04:00 +0200

This article describes how to write custom validators for the Enterprise Library Validation Application Block, in such a way that it runs within the context of a specific LINQ to SQL DataContext or Entity Framework ObjectContext class, which allows analysis of non-persisted (in-memory) changes in that context.read more...

Integrating Enterprise Library Validation Application Block With LINQ to SQL and Entity Framework Part 1: Basic Integration

Tue, 07 Apr 2009 21:58:00 +0200

This article describes how to integrate the Enterprise Library Validation Application Block in conjunction with an O/RM technology such as LINQ to SQL and Entity Framework.read more...

Spell checkers for Visual Studio

Sun, 18 Jan 2009 14:02:00 +0200

One good spell checker and one really bad spell checker plug-in for Visual Studio.read more...

The true danger of SQL Injection Attacks

Wed, 14 Jan 2009 22:13:00 +0200

This article describes the true danger of SQL injection attacks. The article shows how a hacker can steal your sensitive business data, even when your website connects to your database with a normal non-privileged login account.read more...

Microsoft and DevExpress announce free CodeRush Xpress for C#

Tue, 23 Dec 2008 18:49:00 +0200

This was announced some time ago at the PDC2008, but I just found out after watching the PDC session on Tips And Tracks For The Visal C# IDE.read more...

The death of LINQ to SQL

Sat, 01 Nov 2008 18:55:00 +0200

The Microsoft ADO.NET team blog made an important announcement yesterday about the future of LINQ to SQL.read more...

A Temperature struct for .NET

Mon, 29 Sep 2008 21:51:00 +0200

Did you ever wonder why .NET doesn't have a Temperature type? I suppose not, because I didn't find any implementation of such a thing on the internet.read more...

The .NET 3.5 SP1 JIT changed for worse

Mon, 18 Aug 2008 22:49:00 +0200

The .NET JIT compiler has changed with the new SP1 release of the .NET 3.5 framework. Microsoft claims it's faster. I claim the opposite!read more...

Extending CuttingEdge.Conditions

Mon, 04 Aug 2008 14:53:00 +0200

In a previous post I introduced CuttingEdge.Conditions, a library that helps developers to write pre- and postcondition validations in their .NET 3.5 code base. In this post I'll explain how you can extend the library.read more...

Introducing CuttingEdge.Conditions

Wed, 16 Jul 2008 16:27:00 +0200

CuttingEdge.Conditions is a library that helps developers to write pre- and postcondition validations in their .NET 3.5 code base. Writing these validations is easy and it improves the readability and maintainability of code.read more...

Dear C# Language Designers

Sun, 13 Jul 2008 01:40:00 +0200

Have you ever wondered why the C# language doesn't have a specific feature, or why it works the way it does? As a matter of fact, I did, and I mailed them over a year ago. I never got an answer though. Now I'm publishing this mail, hoping to start a good discussion.

My Own Fluent Argument Validation Library

Wed, 09 Jul 2008 15:51:00 +0200

The last couple of days I had some spare time. What does a workaholic do with spare time? Exactly: he builds his own library. :-)read more...

Visual studio bug: Generic extension method doesn't show up in IntelliSense

Sat, 21 Jun 2008 23:56:00 +0200

I just reported a bug on the Microsoft Connect site about a quirk in the C# IntelliSense feature regarding generic extension methods.read more...

Inlining of value types

Wed, 14 May 2008 16:05:00 +0200

Great news is coming from the .NET Runtime Team. The new coming service pack for the .NET framework addresses inlining of value types.read more...

Spec#, Love you long time!

Tue, 29 Apr 2008 11:40:00 +0200

I'll repeat Greg Young and Fredrik Normén here.read more...

Back online

Sun, 02 Mar 2008 16:47:00 +0200

My weblog was offline for a couple of days.read more...

Book: Framework Design Guidelines: Conventions, Idioms, and Patterns for Reusable .NET Libraries

Sun, 10 Feb 2008 18:45:00 +0200

It has already been several months since I purchased the book Framework Design Guidelines by Krzysztof Cwalina and Brad Abrams. Since that time it proved itself to be invaluable. When you design or write reusable libraries or are concerned with the quality and usability of your API, this book is for you.read more...

Defensive programming, Design by Contract and Spec#

Wed, 28 Nov 2007 22:50:00 +0200

ReadOnlyDictionary

Thu, 22 Nov 2007 18:55:00 +0200

This article describes an implementation of a ReadOnlyDictionary that's missing from the .NET framework.read more...

Channel 9 video: The Future of Languages

Wed, 07 Nov 2007 22:35:00 +0200

Here's a link to a very interesting Channel 9 interview with Anders Hejlsberg, Herb Sutter, Erik Meijer, Brian Beckman about Software Composability and the Future of Languages.read more...

C# using statement – the lazy version

Thu, 21 Jun 2007 22:05:00 +0200

While discussing the C# using statement with a colleague of mine, we discovered that there was a shorter version of the using statement possible.read more...

ASP.NET Provider Model Template for Visual Studio (download)

Sat, 31 Mar 2007 16:16:00 +0200

This article describes my Visual Studio 2005 / Visual Studio 2008 template for rolling your own custom provider on the ASP.NET 2.0 Provider model. The model is actually not restricted to ASP.NET and this template allows you to create your custom provider for every type of .NET application, including console and forms applications.read more...

Converting hex to int

Fri, 09 Mar 2007 12:20:00 +0200

The easiest way to convert a hexadecimal string to an integer is using System.Convert.read more...

The constructor conflict

Fri, 09 Mar 2007 10:33:00 +0200

Sometimes I'm wondering strange things. For instance, this morning I was wondering if a static constructor of a class can create an instance of itself. It seemed to me this would be a conflicting requirement, because a classes constructor will only run after it's static constructor has run.read more...

Book: SQL Server Query Performance Tuning Distilled

Thu, 08 Mar 2007 22:39:00 +0200

Last two months I have been reading SQL Server Query Performance Tuning Distilled (Second Edition) by Sajal Dam.read more...

Custom Parameter Gotcha

Sat, 03 Mar 2007 18:25:00 +0200

This article describes a little gotcha that might emerge when writing a custom parameter that derives from System.Web.UI.WebControls.Parameter.read more...

Code Consistency With Asynchronous Exceptions

Wed, 21 Feb 2007 23:15:00 +0200

Three weeks ago Joe Duffy published an article about 'Monitor.Enter, thread aborts, and orphaned locks' on his blog. After reading this article and responding to it (see my comments), I was pretty much in shock. I came to the conclusion that the C# ‘using’ statement isn't 100% safe.read more...

Nested Master Pages Until Orcas

Sun, 11 Feb 2007 14:20:00 +0200

This article describes how to inherit your .aspx pages from a custom class, in such a way that you can use nested master pages, without getting that terrible 'Design view does not support creating or editing nested master pages. To create or edit nested master pages, use Source view' from the Visual Studio Designer.read more...

Human Computation

Tue, 19 Dec 2006 19:27:00 +0200

I came across this Google Tech Talk about Human Computation by Luis Von Ahn. Luis talks about how he uses humans to solve problems computers can't. His talk is really fascinating and funny. You should watch it!read more...

Microsoft Anti-Cross Site Scripting Library V1.5.

Mon, 20 Nov 2006 23:57:00 +0200

Microsoft's ACE Team, announced the release of the Anti-Cross Site Scripting (XSS) Library version 1.5.read more...

Nine Things Developers Want More Than Money

Tue, 14 Nov 2006 01:52:00 +0200

Here's a great article about passionate software developers. It is a must-read for every software developer.read more...

Optimizing C# Refactoring Performance with Web Projects in VS 2005

Mon, 23 Oct 2006 23:08:00 +0200

ScottGu has blogged about this over 9 months ago, but I had some trouble finding that blog again. So this is for my own memory: Optimizing C# Refactoring Performance with Web Projects in VS 2005.

Fixing connection pooling timeout exceptions on third-party code

Thu, 12 Oct 2006 12:05:00 +0200

When a Connection object throws an exception and tells you 'all pooled connections were in use and max pool size was reached', it usually has to do with bad code. Fixing it could however be a problem if you don't own the source code. In this article a quick and dirty workaround for this connection timeout problem is proposed.read more...

The DbTransactionWrapper

Fri, 06 Oct 2006 14:19:00 +0200

A few months ago I wrote some code for a project I was working on. It was a class that wrapped a SqlTransaction and a SqlConnection object. I named it the “SqlTransactionWrapper”. This class made coding easier for my colleague with whom I was working at that time. Also, I no longer needed to type a lot of code over and over again. I now rewrote the class so it fits in the more generic approach given by ADO.NET 2.0. So behold: The DbTransactionWrapper!read more...

Parallel LINQ (aka PLINQ)

Tue, 26 Sep 2006 11:41:00 +0200

Anders Hejlsberg, lead architect for the C# language at Microsoft, announced early august Microsoft is working on a parallel implementation of LINQ internally known as PLINQ.read more...

Interface Bug in .NET 2.0 Runtime

Mon, 25 Sep 2006 22:22:00 +0200

There seems to be a rather nasty bug in the 2.0.50727.42 release of the .NET runtime.read more...

In love with BLINQ

Thu, 21 Sep 2006 17:54:00 +0200

I'm really in love with BLINQ, look at the channel 9 video here.read more...

A Fast Dynamic Factory Using Reflection.Emit

Wed, 13 Sep 2006 23:52:00 +0200

In this post I'll show my implementation of the Factory Pattern build with C# using Generics, Delegates and Reflection.Emit.read more...

CSS Changes for IE7

Wed, 23 Aug 2006 11:39:00 +0200

The IE team blogged yesterday about their final list on bug fixes and changes for CSS, which is a must read for every web developer.read more...

Truly understanding the ViewState

Tue, 18 Jul 2006 18:07:00 +0200

It has already been 4 months since Dave Reed posted an amazing article about the viewstate, but it's never to late to reference it. You should read it if you haven't!

.NET Backwards compatibility, why should we?

Tue, 23 May 2006 15:23:00 +0200

Microsofts corporate vice present of the Developer Division, Somasegar, wrote on his weblog about the backwards compatibility of the .NET framework version 2.0. But his readers doubt the usefulness of this compatibility, as do I.read more...

Welcome to my blog

Wed, 10 May 2006 00:28:00 +0200

Hi everybody, welcome to my blog!read more...