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List comprehension: Returning two (or more) items for each item
...t;> list(chain.from_iterable((f(x), g(x)) for x in range(3)))
[2, 0, 3, 1, 4, 4]
Timings:
from timeit import timeit
f = lambda x: x + 2
g = lambda x: x ** 2
def fg(x):
yield f(x)
yield g(x)
print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in range(3)))',
s...
Call a function with argument list in python
...into the rest of the parameters.
So you can do the following:
def wrapper1(func, *args): # with star
func(*args)
def wrapper2(func, args): # without star
func(*args)
def func2(x, y, z):
print x+y+z
wrapper1(func2, 1, 2, 3)
wrapper2(func2, [1, 2, 3])
In wrapper2, the list is passed...
How to prevent ifelse() from turning Date objects into numeric objects
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137
You may use data.table::fifelse (data.table >= 1.12.3) or dplyr::if_else.
data.table::fife...
Bash syntax error: unexpected end of file
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19 Answers
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Kotlin: how to pass a function as parameter to another?
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10 Answers
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Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
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139
Had the same problem and @Epistemex's link helped me troubleshoot it.
... You need to inst...
css overflow - only 1 line of text
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answered Sep 25 '11 at 15:16
SeptnuitsSeptnuits
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How to spread django unit tests over multiple files?
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