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by Dustin Campbell via Did it with .NET on 3/4/2010 3:42:19 PM
A few weeks ago, some of my colleagues and I were discussing the idiosyncrasies of various programming languages (as we often find ourselves doing—we’re kind of geeky that way), when one of us pointed out that the following code is completely valid C++0x syntax: [](){}(); The “operator soup”1 above defines a C++ lambda expression (denoted by the square brackets) which declares no parameters (the first empty parentheses) or body (the empty curly braces) and ...
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by Dustin Campbell via Did it with .NET on 10/24/2009 6:01:40 PM
Now that Visual Studio 2010 Beta 2 is finally out the door, I’ve had a bit more time to spend coding on some of my personal projects. Yesterday, I happened upon a cool trick while using the new Generate from Usage feature. It was so helpful to me that I thought others might benefit, so I’m sharing it here. The Anonymous Type Problem When you need to project some data from a LINQ expression, anonymous types can be enormously convenient. ...
by Dustin Campbell via Did it with .NET on 12/20/2007 6:31:39 PM
Gentle readers, in the spirit of X-mas, I'd like to sing you a carol. This jolly tune (based on a popular old English carol) enumerates ways that Refactor! Pro can warm your installation of Visual Studio 2008 this holiday season. In contrast to some of our... ahem... <whisper>competition</whisper>, the features I'll be showing can be used today. In fact, most of these features have been shipping since Visual Studio 2008 was still a wee child ...
by Dustin Campbell via Did it with .NET on 11/23/2007 3:29:08 PM
Visual Studio 2008's multi-targeting support for compiling projects to different versions of the .NET Framework is very powerful. Multi-targeting is a compelling feature because it enables users to continue working on solutions that target .NET Framework 2.0 and 3.0 while upgrading to the latest and greatest IDE. What isn't obvious is that all projects, regardless of target, are compiled with the C# 3.0 compiler. That means users can employ many of the new C# 3.0 language features in legac ...
by Dustin Campbell via Did it with .NET on 11/14/2007 4:17:23 AM
While exploring F#, I've grown increasingly impressed by the libraries that ship with it. One of the main purposes of the libraries is to provide underlying support for the language itself. In addition, they contain important modules and classes necessary for functional programming (e.g. immutable List and Map types). However, the most practical aspect of these libraries to me is the rich set of APIs that facilitate using the .NET Framework in a more functional way. These APIs are often di ...
by Dustin Campbell via Did it with .NET on 9/28/2007 5:47:20 PM
Recently, I presented an example of how closures can cause headaches when used in the context of LINQ expressions: static class Program { static void Main() { var filter = String.Empty; var query = from m in typeof(String).GetMethods() orderby m.Name where m.Name != filter select m.Name; foreach (var item in query) { Console.WriteLine(item); filter = item; ...
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