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Redefine tab as 4 spaces
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edited Apr 4 '18 at 22:36
answered Dec 10 '09 at 6:19
La...
How to apply shell command to each line of a command output?
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pixatlazaki
41355 silver badges1818 bronze badges
answered Apr 26 '10 at 3:34
Michael MrozekMichael Mrozek
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Output to the same line overwriting previous output?
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Here's code for Python 3.x:
print(os.path.getsize(file_name)/1024+'KB / '+size+' KB downloaded!', end='\r')
The end= keyword is what does the work here -- by default, print() ends in a newline (\n) character, but this can be replaced with a diff...
Find the nth occurrence of substring in a string
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3
Thanks, I like your one liner. I don't think it's the most instantly readable thing in the world, but it's not much worse then most others b...
How to remove a key from a Python dictionary?
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13 Answers
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Show a Form without stealing focus?
...y Gray♦
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answered Oct 1 '08 at 14:21
Martin PlanteMartin Plante
4,01...
Can you supply arguments to the map(&:method) syntax in Ruby?
...mp;block) }
end
end
Which will enable you to do not only this:
a = [1,3,5,7,9]
a.map(&:+.with(2))
# => [3, 5, 7, 9, 11]
But also a lot of other cool stuff, like passing multiple parameters:
arr = ["abc", "babc", "great", "fruit"]
arr.map(&:center.with(20, '*'))
# => ["********...
How do I specify a password to 'psql' non-interactively?
...~/.pgpass file to avoid regularly having to type in passwords. See Section 30.13 for more information.
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This file should contain lines of the following format:
hostname:port:database:username:password
The password field from the first line that matches the current connection paramete...
What's the difference between VARCHAR and CHAR?
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372
VARCHAR is variable-length.
CHAR is fixed length.
If your content is a fixed size, you'll ge...
How to align an image dead center with bootstrap
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273
Twitter Bootstrap v3.0.3 has a class: center-block
Center content blocks
Set an element to disp...