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How to generate gcc debug symbol outside the build target?
... information.
This is the bash script:
#!/bin/bash
scriptdir=`dirname ${0}`
scriptdir=`(cd ${scriptdir}; pwd)`
scriptname=`basename ${0}`
set -e
function errorexit()
{
errorcode=${1}
shift
echo $@
exit ${errorcode}
}
function usage()
{
echo "USAGE ${scriptname} <tostrip>"
}
to...
解决：error while loading shared libraries: libpcre.so.1: cannot open ...
...
[root@info lib]# ldd /usr/local/apache2/bin/httpd
libaprutil-0.so.0 => /usr/local/apache2/lib/libaprutil-0.so.0 (0x00242000)
libexpat.so.0 => /usr/lib/libexpat.so.0 (0x00554000)
libapr-0.so.0 => /usr/local/apache2/lib/libapr-0.so.0 (0x007e2000)
librt.so.1 ...
python setup.py uninstall
...eworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/my_module-0.1.egg/ on macOS. It has no files, but Python will still import an empty module:
>>> import my_module
>>> my_module.__file__
None
Once deleted, Python shows:
>>> import my_module
Traceback (mos...
How to generate a random int in C?
...lled once.
int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might prefer to use random and srandom.
share
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improve this answer
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How to use split?
...= 'something -- something_else';
var substr = str.split(' -- ');
// substr[0] contains "something"
// substr[1] contains "something_else"
If this value is in some field you could also do:
tRow.append($('<td>').text($('[id$=txtEntry2]').val().split(' -- ')[0])));
...
Animate text change in UILabel
...ctive-C
[UIView transitionWithView:self.label
duration:0.25f
options:UIViewAnimationOptionTransitionCrossDissolve
animations:^{
self.label.text = rand() % 2 ? @"Nice nice!" : @"Well done!";
} completion:nil];
Swift 3, 4, 5
UIView.tr...
How to get first and last day of the week in JavaScript
...
20 Answers
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How do you run a command for each line of a file?
...txt
If you have special chars and/or a lot of lines in file.txt.
xargs -0 chmod 755 < <(tr \\n \\0 <file.txt)
if your command need to be run exactly 1 time by entry:
xargs -0 -n 1 chmod 755 < <(tr \\n \\0 <file.txt)
This is not needed for this sample, as chmod accept multip...
Argparse optional positional arguments?
...tion='store_true')
_StoreTrueAction(option_strings=['-v'], dest='v', nargs=0, const=True, default=False, type=None, choices=None, help=None, metavar=None)
>>> parser.add_argument('dir', nargs='?', default=os.getcwd())
_StoreAction(option_strings=[], dest='dir', nargs='?', const=None, defaul...
How do I undo “Scope to this” in Visual Studio 2012?
...
Didnt work for me in VS2017.. just stuck in the "scoped" folder. dammit - had to restart VS
– Piotr Kula
May 11 '17 at 12:21
...