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How can I get the timezone name in JavaScript?
I know how to get the timezone offset, but what I need is the ability to detect something like "America/New York." Is that even possible from JavaScript or is that something I am going to have to guestimate based on the offset?
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How is Python's List Implemented?
...kes (of course with extremely small differences (0.0013 µsecs!)) the same time regardless of index:
...>python -m timeit --setup="x = [None]*1000" "x[500]"
10000000 loops, best of 3: 0.0579 usec per loop
...>python -m timeit --setup="x = [None]*1000" "x[0]"
10000000 loops, best of 3: 0.0566...
How to convert list of tuples to multiple lists?
... [y for x, y in zs]
return xs, ys
if __name__ == '__main__':
from timeit import timeit
setup_string='''\
N = 2000000
xs = list(range(1, N))
ys = list(range(N+1, N*2))
zs = list(zip(xs, ys))
from __main__ import t1, t2, t3
'''
print(f'zip:\t\t{timeit('t1(zs)', setup=setup_string, num...
How to convert a PNG image to a SVG? [closed]
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There are some people who are downvoting this from time to time without any justifiable cause and I'm beginning to form the opinion that it is malicious. If there really is a reason - no problem, stop being lazy and add some value to this community by providing it.
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C++ Convert string (or char*) to wstring (or wchar_t*)
...ar is configured as unsigned. If the type char is signed (which is most of time the case), characters > 127 will give wrong results.
– huyc
May 16 '16 at 18:32
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
...all, constructing exceptions (including their associated tracebacks) takes time.
Exceptions should be used for:
things that are unexpected, or...
things where you need to jump more than one level of logic (e.g. where a break doesn't get you far enough), or...
things where you don't know exactly w...
MySQL select 10 random rows from 600K rows fast
... different random rows? Do you have to set limit to 10 and then iterate 10 times with mysqli_fetch_assoc($result) ? Or are those 10 results not necessarily distinguishable?
– Adam
Feb 19 '14 at 23:57
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Difference between classification and clustering in data mining? [closed]
...ruits and your task is to arrange the same type fruits at one place.
This time you don't know any thing about that fruits, you are first time seeing these fruits so how will you arrange the same type of fruits.
What you will do first is you take on the fruit and you will select any physical cha...
Is it possible dynamically to add String to String.xml in Android?
...olders in string values in string.xml that can be assigned values at run time?
13 Answers
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Can Python test the membership of multiple values in a list?
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True
>>> {'a', 'b'} <= {'a', 'b', 'foo', 'bar'}
True
...sometimes:
>>> {'a', ['b']} <= {'a', ['b'], 'foo', 'bar'}
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unhashable type: 'list'
Sets can only be created with hashab...