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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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edited Nov 11 '09 at 14:26
answered Nov 11 '09 at 13:25
ez...
Design patterns or best practices for shell scripts [closed]
...etopt and getopts. Use getopt as you face less trouble.
CommandLineOptions__config_file=""
CommandLineOptions__debug_level=""
getopt_results=`getopt -s bash -o c:d:: --long config_file:,debug_level:: -- "$@"`
if test $? != 0
then
echo "unrecognized option"
exit 1
fi
eval set -- "$getopt_...
Dealing with float precision in Javascript [duplicate]
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edited Jun 6 '18 at 22:32
answered Jul 27 '12 at 21:14
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
I use
Rails 3.0.20 and
ruby 1.8.7 (2011-06-30 patchlevel 352)
4 Answers
4
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Win10正式版官方原版ISO镜像下载大全（64位&32位） - 软件下载 - 清泛网 - ...
...方原版 正式版【64位简体中文家庭 专业版】 文件名：cn_windows_10_multiple_editions_x64_dvd_6848463.iso 体积：4.01GB SHA1：C71D49A6...【64位简体中文家庭/专业版】
文件名：cn_windows_10_multiple_editions_x64_dvd_6848463.iso
体积：4.01GB
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Convert Long into Integer
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answered Apr 27 '11 at 12:26
ThiloThilo
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How do I pass JavaScript variables to PHP?
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Peter Mortensen
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answered Dec 16 '09 at 20:52
Sergey Kuznet...
Adding new column to existing DataFrame in Python pandas
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However, the code still runs perfectly with the current pandas version 0.16.1.
>>> sLength = len(df1['a'])
>>> df1
a b c d
6 -0.269221 -0.026476 0.997517 1.294385
8 0.917438 0.847941 0.034235 -0.448948
>>> df1['e'] = pd.Series(np.r...
C# pattern to prevent an event handler hooked twice [duplicate]
... Judah Gabriel HimangoJudah Gabriel Himango
54.2k3636 gold badges151151 silver badges202202 bronze badges
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Super-simple example of C# observer/observable with delegates
...linked article for a lot more detail.
Note that the above example uses C# 6 null-conditional operator to implement DoSomething safely to handle cases where SomethingHappened has not been subscribed to, and is therefore null. If you're using an older version of C#, you'd need code like this:
public...