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Why do this() and super() have to be the first statement in a constructor?

...ct those args inline as you are doing, or pass them in to your constructor and then pass them to super: public MySubClassB extends MyClass { public MySubClassB(Object[] myArray) { super(myArray); } } If the compiler did not enforce this you could do this: public M...
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When is it appropriate to use UDP instead of TCP? [closed]

Since TCP guarantees packet delivery and thus can be considered "reliable", whereas UDP doesn't guarantee anything and packets can be lost. What would be the advantage of transmitting data using UDP in an application rather than over a TCP stream? In what kind of situations would UDP be the better c...
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What are unit tests, integration tests, smoke tests, and regression tests?

What are unit tests, integration tests, smoke tests, and regression tests? What are the differences between them and which tools can I use for each of them? ...
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HTML5 best practices; section/header/aside/article elements

There is enough information about HTML5 on the web (and also on stackoverflow), but now I'm curious about the "best practices". Tags like section/headers/article are new, and everyone has different opinions about when/where you should use these tags. So what do you guys think of the following layout...
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How to pre-populate the sms body text via an html link

... this is 100% possible, though a little hacky. If you want it to work on Android you need to use this format: <a href="sms:/* phone number here */?body=/* body text here */">Link</a> If you want it to work on iOS, you need this: <a href="sms:/* phone number here */;body=/* body t...
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Plot two graphs in same plot in R

I would like to plot y1 and y2 in the same plot. 16 Answers 16 ...
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Regular Expression for alphanumeric and underscores

...e to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores. ...
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TortoiseGit save user authentication / credentials

...UI to switch on/off credential helper. It supports git-credential-wincred and git-credential-winstore. TortoiseGit 1.8.16 add support for git-credential-manager (Git Credential Manager, the successor of git-credential-winstore) For the first time you sync you are asked for user and password, you ...
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Resolve absolute path from relative path and/or file name

...batch script to return an absolute path from a value containing a filename and/or relative path? 14 Answers ...
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How do I add an existing Solution to GitHub from Visual Studio 2013

I have looked through many web pages on the new Git integration in VS 2013 and they do not deal with adding an existing solution to Github. In fact I can't find much on using GitHub instead of Visual Studio Online. ...