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How to filter None's out of List[Option]?
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163
If you want to get rid of the options at the same time, you can use flatten:
scala> someLi...
Understanding the map function
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451
map isn't particularly pythonic. I would recommend using list comprehensions instead:
map(f, it...
Extracting substrings in Go
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149
It looks like you're confused by the working of slices and the string storage format, which is...
Adding days to $Date in PHP
I have a date returned as part of a mySQL query in the form 2010-09-17
9 Answers
9
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multiprocessing.Pool: When to use apply, apply_async or map?
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def apply_async_with_callback():
pool = mp.Pool()
for i in range(10):
pool.apply_async(foo_pool, args = (i, ), callback = log_result)
pool.close()
pool.join()
print(result_list)
if __name__ == '__main__':
apply_async_with_callback()
may yield a result such as
[1...
Python regex find all overlapping matches?
I'm trying to find every 10 digit series of numbers within a larger series of numbers using re in Python 2.6.
3 Answers
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Using :after to clear floating elements
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261
Write like this:
.wrapper:after {
content: '';
display: block;
clear: both;
}
Che...
How to import module when module name has a '-' dash or hyphen in it?
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122
you can't. foo-bar is not an identifier. rename the file to foo_bar.py
Edit: If import is n...
Set default syntax to different filetype in Sublime Text 2
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1601
In the current version of Sublime Text 2 (Build: 2139), you can set the syntax for all files ...
How to kill zombie process
...e the zombie. (After the parent dies, the zombie will be inherited by pid 1, which will wait on it and clear its entry in the process table.) If your daemon is spawning children that become zombies, you have a bug. Your daemon should notice when its children die and wait on them to determine thei...