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How to do constructor chaining in C#

... base() For "why?": code reduction (always a good thing) necessary to call a non-default base-constructor, for example: SomeBaseType(int id) : base(id) {...} Note that you can also use object initializers in a similar way, though (without needing to write anything): SomeType x = new SomeTyp...
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@ character before a function call

What is the difference between these two function calls in PHP? 5 Answers 5 ...
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How to implement Android Pull-to-Refresh

... Finally, Google released an official version of the pull-to-refresh library! It is called SwipeRefreshLayout, inside the support library, and the documentation is here: Add SwipeRefreshLayout as a parent of view which will b...
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Differences between Line and Branch coverage

... Line coverage measures how many statements you took (a statement is usually a line of code, not including comments, conditionals, etc). Branch coverages checks if you took the true and false branch for each conditional (if, while, for). You'll have twice as many branches as conditionals. Why do...
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Why does Maven warn me about encoding?

... ... </project> This approach is better than defining encoding manually for every plugin, cause all plugins having default values for encoding for example the maven-resources-plugin: encoding: The character encoding scheme to be applied when filtering resources. Type: java.lang.String Requ...
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Can an ASP.NET MVC controller return an Image?

...Letting the user pass a file name (path) like this means they could potentially access files from anywhere on the server. Might want to warn people not to use it as-is. – Ian Mercer Jan 28 '11 at 7:53 ...
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Convert HttpPostedFileBase to byte[]

... Darin says, you can read from the input stream - but I'd avoid relying on all the data being available in a single go. If you're using .NET 4 this is simple: MemoryStream target = new MemoryStream(); model.File.InputStream.CopyTo(target); byte[] data = target.ToArray(); It's easy enough to write...
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Why do people hate SQL cursors so much? [closed]

...lots and lots of cursors. Defeating an RDBMS optimization. And running really slowly. Simple SQL rewrites to replace nested cursor loops with joins and a single, flat cursor loop can make programs run in 100th the time. [They thought I was the god of optimization. All I did was replace nested l...
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How do I lock the orientation to portrait mode in a iPhone Web Application?

...elopment-for-the-iphone/ However... Apple's approach to this issue is to allow the developer to change the CSS based on the orientation change but not to prevent re-orientation completely. I found a similar question elsewhere: http://ask.metafilter.com/99784/How-can-I-lock-iPhone-orientation-in-M...
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How remove word wrap from textarea?

...wrap="soft"></textarea> EDIT: The "wrap" attribute is not officially supported. I got it from the german SELFHTML page (an english source is here) that says IE 4.0 and Netscape 2.0 support it. I also tested it in FF 3.0.7 where it works as supposed. Things have changed here, SELFHTML is n...