大约有 6,100 项符合查询结果（耗时：0.0189秒） [XML]
eval command in Bash and its typical uses
... test.py
print("export foo=bar/baz/womp")
print(". activate.sh")
$ eval $(python test.py)
bash: export: `.': not a valid identifier
bash: export: `activate.sh': not a valid identifier
$ eval "$(python test.py)"
I got activated!
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Remove all values within one list from another list? [duplicate]
...,3,4] and a sublist [2,3], then the result should be [1,2,2,4], is there a Pythonic way to do that?
– user
Mar 2 '14 at 5:20
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How to reset a form using jQuery with .reset() method
...time i use console.log, i have no idea where to look out for it. i'm using Python IDLE and a terminal to run the python script. the javascript is in it. anyway, when i use `alert($('#configform')[0]), it gives me [object HTMLFormElement]
– yvonnezoe
May 9 '13 a...
How to construct a timedelta object from a simple string
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@verdesmarald So, as of python 3.5, is there an elegant solution without using external libraries and without assuming timespan is less than 24 hours?
– max
Apr 22 '16 at 18:57
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How to repeat a string a variable number of times in C++?
...ect idiomatic way to repeat strings in C++ equivalent to the * operator in Python or the x operator in Perl. If you're repeating a single character, the two-argument constructor (as suggested by previous answers) works well:
std::string(5, '.')
This is a contrived example of how you might use an ...
Evenly distributing n points on a sphere
... the points).
Alternatively, building on the other answer here (and using Python):
> cat ll.py
from math import asin
nx = 4; ny = 5
for x in range(nx):
lon = 360 * ((x+0.5) / nx)
for y in range(ny):
midpt = (y+0.5) / ny ...
How to check if a column exists in Pandas
...'A', df['B']) + df['C']
The DataFrame get method has similar behavior as python dictionaries.
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Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
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For those using Python MySQL Connector use connection.commit() to commit the INSERT or UPDATE you've just shot through.
– AER
Sep 12 '19 at 7:00
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Require either of two arguments using argparse
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I never would have guessed it was so easy! Love you Python 3.6!
– bjd2385
Apr 30 '17 at 5:09
Wh...
How to remove unused C/C++ symbols with GCC and ld?
.... .so on Linux), so the symbol names have to be retained so that APIs like Python's ctypes FFI module can use them to look up symbols by name at runtime.
– ssokolow
Aug 11 '19 at 9:24
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