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Regular expression \p{L} and \p{N}
...This syntax is specific for modern Unicode regex implementation, which not all interpreters recognize. You can safely replace \p{L} by {a-zA-Z} (ascii notation) or {\w} (perl/vim notation); and \p{N} by {0-9} (ascii) or {\d} (perl/vim). If you want to match all of them, just do: {a-zA-Z0-9}+ or {\w\...
How to import an excel file in to a MySQL database
...alues (e.g. ',', while using 'as defined in cell properties' separator for all other values. Best to stay away from CSV.
– afk5min
Apr 12 '14 at 15:14
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What is the difference between Google App Engine and Google Compute Engine?
...For example, if your app becomes very successful, App Engine will automatically create more instances to handle the increased volume.
Read more about App Engine
Compute Engine is an Infrastructure-as-a-Service. You have to create and configure your own virtual machine instances. It gives you more ...
Can I set subject/content of email using mailto:?
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Yes, look all tips and tricks with mailto: http://www.angelfire.com/dc/html-webmaster/mailto.htm
mailto subject example:
<a href="mailto:no-one@snai1mai1.com?subject=free chocolate">example</a>
mailto with cont...
How to process each line received as a result of grep command
...ead loop, that will be fed by the result of the grep command using the so called process substitution:
while IFS= read -r result
do
#whatever with value $result
done < <(grep "xyz" abc.txt)
This way, you don't have to store the result in a variable, but directly "inject" its output to t...
Working copy XXX locked and cleanup failed in SVN
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While this technically works, it is such a bad way to do this compared to removing the locks that it deserves a downvote.
– Jukka Dahlbom
May 2 '12 at 13:02
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What are the differences between Autotools, Cmake and Scons?
...
In truth, Autotools' only real 'saving grace' is that it is what all the GNU projects are largely using.
Issues with Autotools:
Truly ARCANE m4 macro syntax combined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess u...
Bash Script : what does #!/bin/bash mean? [duplicate]
...
That is called a shebang, it tells the shell what program to interpret the script with, when executed.
In your example, the script is to be interpreted and run by the bash shell.
Some other example shebangs are:
(From Wikipedia)
#...
Find out what process registered a global hotkey? (Windows API)
...is compilable in Delphi 2007 with a couple of tweaks.
It's a DLL with a call to SetWindowsHookEx that passes through a callback function, which can then intercept key strokes: In this case, it's tinkering with them for fun, changing left cursor to right, etc. A simple app then calls the DLL and re...
Query-string encoding of a Javascript Object
...sary? The for in statement loop just over the properties of the object so calling hasOwnProperty always evaluate to true
– Arnon
May 26 '16 at 12:07
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