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How do I fetch only one branch of a remote Git repository?

I'd like to grab a single branch (not all of them) of a remote repository and create a local tracking branch that can track further updates to that remote branch. The other branches in the remote repository are very big, so I'd like to avoid fetching them. How do I do this? ...
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Convert a Unix timestamp to time in JavaScript

... Actually it will display time in '10:2:2' format, since it does not add an extra 0 before values below 10. – Fireblaze Oct 4 '12 at 14:47 ...
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Delete everything in a MongoDB database

I'm doing development on MongoDB. For totally non-evil purposes, I sometimes want to blow away everything in a database—that is, to delete every single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points...
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JUnit: how to avoid “no runnable methods” in test utils classes

I have switched to JUnit4.4 from JUnit3.8. I run my tests using ant, all my tests run successfully but test utility classes fail with "No runnable methods" error. The pattern I am using is to include all classes with name *Test* under test folder. ...
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When to use Tornado, when to use Twisted / Cyclone / GEvent / other [closed]

...web application? I would love to have an asynchronous webserver which will allow me to scale easly. What solution will give the best performance / scalability / most useful framework (in terms of easy of use and easy of developing)? ...
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Is there a way to make HTML5 video fullscreen?

... HTML 5 provides no way to make a video fullscreen, but the parallel Fullscreen specification supplies the requestFullScreen method which allows arbitrary elements (including <video> elements) to be made fullscreen. It has experimental support in a number of browsers. Original ...
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How to execute shell command in Javascript

...Except for one thing. You'll get the error "child is not a function". The call to exec() executes the command - no need to call child(). Unfortunately, the callback isn't called whenever the child process has something to output - it is called only when the child process exits. Sometimes that's OK a...
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What is the best way to get the count/length/size of an iterator?

Is there a "computationally" quick way to get the count of an iterator? 9 Answers 9 ...
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Tactics for using PHP in a high-load site

... No two sites are alike. You really need to get a tool like jmeter and benchmark to see where your problem points will be. You can spend a lot of time guessing and improving, but you won't see real results until you measure and compare your changes. For ...
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Why do this() and super() have to be the first statement in a constructor?

Java requires that if you call this() or super() in a constructor, it must be the first statement. Why? 19 Answers ...