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Difference between HEAD and master

What is the difference between the HEAD and master in Git? 3 Answers 3 ...
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libxml/tree.h no such file or directory

...rameworks section). On the Mac, you'll find it at /usr/lib/libxml2.dylib and for the iPhone, you'll want the /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.0.sdk/usr/lib/libxml2.dylib version. Since libxml2 is a .dylib (not a nice friendly .framework) we still have on...
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System.Net.Http: missing from namespace? (using .net 4.5)

TL; DR: I'm new to this language and have no idea what I'm doing 16 Answers 16 ...
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Stashing only staged changes in git - is it possible?

...'m having issues with is when I've worked on several bugs at a given time, and have several unstaged changes. I'd like to be able to stage these files individually, create my .patch files, and stash them away until the code is approved. This way, when it's approved I can stash my entire (current) se...
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Deleting an element from an array in PHP

...n use unset() or alternatively \array_splice(). Also if you have the value and don't know the key to delete the element you can use \array_search() to get the key. unset() Note that when you use unset() the array keys won't change/reindex. If you want to reindex the keys you can use \array_values() ...
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Why is Thread.Sleep so harmful

...it mentioned that Thread.Sleep(); should not be used, but I can't understand why this is so. If Thread.Sleep(); can cause trouble, are there any alternative solutions with the same result that would be safe? ...
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I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.

....add(Calendar.DAY_OF_MONTH, -48) to do day arithmetic on Calendar objects. And you can compare two Calendar objects using cal.compareTo(anotherCal). – Florent Guillaume Feb 27 '12 at 23:55 ...
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Build unsigned APK file with Android Studio

I'm developing an android app with the Android Developer Tool. Now I tried the new Android Studio, everything works fine if connect my smartphone with the pc and directly run the program in the Android Studio. But now I want to test the program with other smartphones without connecting them to my pc...
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Quickly create a large file on a Linux system

...her answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast: For example: fallocate -l 10G gentoo_root.img ...
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What is a callback function?

...allback function is a function which is: accessible by another function, and is invoked after the first function if that first function completes A nice way of imagining how a callback function works is that it is a function that is "called at the back" of the function it is passed into. Maybe ...