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What does -D_XOPEN_SOURCE do/mean?
...pen 7, incorporating POSIX 2008
You can tell which one you need (if any) by looking at the man page for each function you call.
For example, man strdup says:
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
strdup(): _SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE ...
How do you enable the escape key close functionality in a Twitter Bootstrap modal?
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As @nrek points out below - close with escape is true by default, so you don't strictly need data-keyboard="true" - it's tabindex="-1" that enables the behaviour
– Leo
May 18 '18 at 8:40
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What's the difference between an exclusive lock and a shared lock?
... readers when the lock chooses who gets the lock next (when it is unlocked by its current owner). This is about policy.
– ArjunShankar
Jun 22 '16 at 12:31
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Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
I have read where many people were able to solve this by:
29 Answers
29
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MySQL integer field is returned as string in PHP
...k to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
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How to use regex with find command?
... change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Eric B. Decker, James Youngman, and Kevin Dalley.
Built using GNU gnulib version e5573b1bad88bfabcda181b9e0125fb0c52b7d3b
Features enabled: D_TYPE O_NOFOLLOW(enabled) LEAF_OPTIMISATION FTS() CBO(level=0)
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How to get exit code when using Python subprocess communicate method?
...ant documentation section:
Popen.returncode
The child return code, set by poll() and wait() (and indirectly by communicate()).
A None value indicates that the process hasn’t terminated yet.
A negative value -N indicates that the child was terminated by signal N (Unix only).
So you can ...
Git branch diverged after rebase
...working with in a team when your push may overwrite any recent work pushed by others. Am I right?
– Hari Krishna Ganji
Nov 23 '14 at 13:56
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Classes vs. Modules in VB.NET
... you don't want to allow inheritance and instantiation, you use a Module.
By the way, using Module is not really subjective and it's not deprecated. Indeed you must use a Module when it's appropriate. .NET Framework itself does it many times (System.Linq.Enumerable, for instance). To declare an ext...
How to get indices of a sorted array in Python
...x, value):
[(0, 1), (1, 2), (2, 3), (3, 100), (4, 5)]
You sort the list by passing it to sorted and specifying a function to extract the sort key (the second element of each tuple; that's what the lambda is for. Finally, the original index of each sorted element is extracted using the [i[0] for i...