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Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the

... hash of last commit. Checkout the branch you wish to be at, and git merge _hash_ – Daniel May 31 '12 at 13:31 BE REAL...
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In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]

... for some reason I'm getting false when I call "2014-03-25T17:55:00".contains("T") – Jeremy List Mar 25 '14 at 8:45 3 ...
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How do I get a TextBox to only accept numeric input in WPF?

...nly want to allow numbers, dots and dashes. private static readonly Regex _regex = new Regex("[^0-9.-]+"); //regex that matches disallowed text private static bool IsTextAllowed(string text) { return !_regex.IsMatch(text); } If you want to prevent pasting of incorrect data hook up the DataObj...
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What do the return values of node.js process.memoryUsage() stand for?

... Scheme first. A running program is always represented through some space allocated in memory. This space is called Resident Set. V8 uses a scheme similar to the Java Virtual Machine and divides the memory into segments: Code: the actual code being executed Stack: contains all value types (prim...
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C++ error: undefined reference to 'clock_gettime' and 'clock_settime'

...c version 2.17, the library linking -lrt is no longer required. The clock_* are now part of the main C library. You can see the change history of glibc 2.17 where this change was done explains the reason for this change: +* The `clock_*' suite of functions (declared in <time.h>) is now avai...
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#include in .h or .c / .cpp?

... True, but doesn't the #ifndef _CALLBACK_H_, on the top of it, prevent the compiler in processing it more than once? – hytromo Feb 8 '14 at 12:25 ...
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How to set UICollectionViewDelegateFlowLayout?

...and this will only work if self.collectionView.collectionViewLayout is actually set to your flow layout. (or set with initWithFrame:collectionViewLayout:) share | improve this answer | ...
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Reading a binary file with python

...ve something to unpack is pretty trivial: import struct data = open("from_fortran.bin", "rb").read() (eight, N) = struct.unpack("@II", data) This unpacks the first two fields, assuming they start at the very beginning of the file (no padding or extraneous data), and also assuming native byte-or...
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git submodule tracking latest

...6: submodule add: If --branch is given, record it in .gitmodules This allows you to easily record a submodule.<name>.branch option in .gitmodules when you add a new submodule. With this patch, $ git submodule add -b <branch> <repository> [<path>] $ git config -f .gitm...
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Create timestamp variable in bash script

...cial documentation here: https://www.gnu.org/software/coreutils/manual/html_node/Time-conversion-specifiers.html#Time-conversion-specifiers share | improve this answer | foll...