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How to convert a string to integer in C?
...o:
(int) strtol(str, (char **)NULL, 10)
except that the handling of errors may differ. If the value cannot be
represented, the behavior is undefined.
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Actual meaning of 'shell=True' in subprocess
...gt; subprocess.call('echo $HOME')
Traceback (most recent call last):
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OSError: [Errno 2] No such file or directory
>>>
>>> subprocess.call('echo $HOME', shell=True)
/user/khong
0
Setting the shell argument to a true value causes subprocess to spawn an intermediate shell pro...
How to format numbers? [duplicate]
...void mathematical calculation (as this can introduce rounding, or rounding errors). If you don't want rounding, then you are only dealing with things as a string i.e. 1000.999 converted to two decimal places will only ever be 1000.99 and not 1001.00.
This method avoids using .split() and RegExp() h...
List files by last edited date
... Mac OS X, option -printf is not available on BSD find (you will get this error: find: -printf: unknown primary or operator). Fortunately you can Install GNU find through Homebrew (there should be an option to Fink and Macports as well):
brew install findutils
After install it the GNU find shoul...
Python dictionary: Get list of values for list of keys
...68 ms per loop
100 loops, best of 3: 2 ms per loop
100 loops, best of 3: 2.05 ms per loop
100 loops, best of 3: 2.19 ms per loop
100 loops, best of 3: 2.53 ms per loop
100 loops, best of 3: 2.9 ms per loop
So in this case the clear winner is f = operator.itemgetter(*l); f(m), and clear outsider: m...
In Python, when to use a Dictionary, List or Set?
...fault
– Gigi Bayte 2
Oct 7 '18 at 5:05
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Couldn't register with the bootstrap Server
I just changed some code in my program and got this error:
21 Answers
21
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How do I merge a list of dicts into a single dict?
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edited Nov 25 '18 at 20:05
wim
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answered A...
Select SQL Server database size
... I have some VLDBs that cause DECIMAL(8,2) to yeild "Arithmetic overflow error converting numeric to data type numeric." Changing DECIMAL(8,2) to DECIMAL(12,2) was the fix.
– colbybhearn
Aug 18 '15 at 15:12
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What do *args and **kwargs mean? [duplicate]
... @PaulD.Waite: No problem. I wonder how many rookies found this error by trying to use your code, but were telling themselves "I must be doing something wrong here, this answer has so many votes" ;) Another upvote from me, because it is very clear and very good.
– Ta...