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Pass variables to Ruby script via command line
...uts "Argument: #{a}"
end
then
$ ./test.rb "test1 test2"
or
v1 = ARGV[0]
v2 = ARGV[1]
puts v1 #prints test1
puts v2 #prints test2
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Create a hexadecimal colour based on a string with JavaScript
...ingle word) and from that somehow generate a hexadecimal value between #000000 and #FFFFFF , so I can use it as a colour for a HTML element.
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background:none vs background:transparent what is the difference?
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QuentinQuentin
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How to replace multiple white spaces with one white space
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answered Aug 14 '09 at 19:57
Tim HoolihanTim Hoolihan
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Raise warning in Python without interrupting program
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answered Oct 8 '10 at 15:07
SilentGhostSilentGhost
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Convert DataFrame column type from string to datetime, dd/mm/yyyy format
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504
The easiest way is to use to_datetime:
df['col'] = pd.to_datetime(df['col'])
It also offers ...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
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10
It should possibly be clarified that . and -> may also be used to access class statics via an object, even though they're not strictly "m...
How to change current working directory using a batch file
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GabeGabe
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List of Big-O for PHP functions
...r example the difference between a call to array_key_exists at N=1 and N=1,000,000 is ~50% time increase.
Interesting Points:
isset/array_key_exists is much faster than in_array and array_search
+(union) is a bit faster than array_merge (and looks nicer). But it does work differently so keep that...
How to completely remove node.js from Windows
I uninstalled my previous version of node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js website and installed it. However, after running node --version , it still indicates that I'm running v0.8.11. Obviously, some stuff was left behind during the uninstall process, and it's causi...