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Finding the index of an item in a list
..., "bar", "baz"] and an item in the list "bar" , how do I get its index ( 1 ) in Python?
31 Answers
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Mapping two integers to one, in a unique and deterministic way
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18 Answers
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Listing all permutations of a string/integer
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158
First of all: it smells like recursion of course!
Since you also wanted to know the principle,...
Select multiple columns in data.table by their numeric indices
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185
For versions of data.table >= 1.9.8, the following all just work:
library(data.table)
dt &...
Performance of foreach, array_map with lambda and array_map with static function
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FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug.
UP...
`elif` in list comprehension conditionals
...essions were designed exactly for this sort of use-case:
>>> l = [1, 2, 3, 4, 5]
>>> ['yes' if v == 1 else 'no' if v == 2 else 'idle' for v in l]
['yes', 'no', 'idle', 'idle', 'idle']
Hope this helps :-)
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Set Matplotlib colorbar size to match graph
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198
You can do this easily with a matplotlib AxisDivider.
The example from the linked page also w...
How can I find the length of a number?
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Is unsigned integer subtraction defined behavior?
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The result of a subtraction generating a negative number in an unsigned type is well-defined:
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