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How to detect the OS from a Bash script?

...ash_login files in version control so that I can use them between all the computers I use. The problem is I have some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin . ...
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Large, persistent DataFrame in pandas

... are currently memory problems with read_csv on large files caused by some complex Python internal issues (this is vague but it's been known for a long time: http://github.com/pydata/pandas/issues/407). At the moment there isn't a perfect solution (here's a tedious one: you could transcribe the fi...
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Android 4.1: How to check notifications are disabled for the application?

...n check it, as said in this Google I/O 2016 video. Use NotificationManagerCompat.areNotificationsEnabled(), from support library, to check if notifications are blocked on API 19+. The versions below API 19 will return true (notifications are enabled). ...
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Is it possible to make a Tree View with Angular?

... I was really tired of people constantly commenting on this that the URL has my name in it ( and therefore it is plagiarism! ). That is unfortunately how jsfiddle works. If you fork something while you are logged in it retains your username. Having said that I have ...
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How can I get the max (or min) value in a vector?

... Using c++11/c++0x compile flags, you can auto it = max_element(std::begin(cloud), std::end(cloud)); // c++11 Otherwise, write your own: template <typename T, size_t N> const T* mybegin(const T (&a)[N]) { return a; } template ...
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How does delete[] know it's an array?

... The compiler doesn't know it's an array, it's trusting the programmer. Deleting a pointer to a single int with delete [] would result in undefined behavior. Your second main() example is unsafe, even if it doesn't immediately c...
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What is the yield keyword used for in C#?

...{ using (var connection = CreateConnection()) { using (var command = CreateCommand(CommandType.Text, sql, connection, parms)) { command.CommandTimeout = dataBaseSettings.ReadCommandTimeout; using (var reader = command.ExecuteReader()) { ...
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Recover from git reset --hard?

Is there any way to recover uncommitted changes to the working directory from a git reset --hard HEAD ? 22 Answers ...
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Using awk to print all columns from the nth to the last

...c approach. no need to use cat though, just put the filename after the awk command. – kon Jun 5 '13 at 10:16 50 ...
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SQL keys, MUL vs PRI vs UNI

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