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How do you see the entire command history in interactive Python?
...n even better answer.
– macetw
Sep 23 at 16:45
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Efficient way to remove keys with empty strings from a dict
...n 2.X
dict((k, v) for k, v in metadata.iteritems() if v)
Python 2.7 - 3.X
{k: v for k, v in metadata.items() if v is not None}
Note that all of your keys have values. It's just that some of those values are the empty string. There's no such thing as a key in a dict without a value; if it d...
How to check if a column exists in Pandas
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What does “Splats” mean in the CoffeeScript tutorial?
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Trevor BurnhamTrevor Burnham
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Django - iterate number in for loop of a template
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Is a RelativeLayout more expensive than a LinearLayout?
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In a talk at Google I/O 2013 (Writing Custom Views for Android), Romain Guy clarified the misunderstanding that caused everyone to start using RelativeLayouts for everything. A RelativeLayout always has to do two measure passes. Overall it is negligibl...
Homebrew: List only installed top level formulas
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Changing case in Vim
...se, or use gu<motion> for lowercase.
For more of these, see Section 3 in Vim's change.txt help file.
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How to change the background color of the options menu?
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how to use “AND”, “OR” for RewriteCond on Apache?
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