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Why can't non-default arguments follow default arguments?
... feature of Python 3. Too bad the patch to backport them to Python 2.6 and 2.7 was just left to expire.
– Nick Chammas
Mar 20 '15 at 18:42
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How can I obtain the element-wise logical NOT of a pandas Series?
...8]:
0 False
1 False
2 True
3 False
dtype: bool
Using Python2.7, NumPy 1.8.0, Pandas 0.13.1:
In [119]: s = pd.Series([True, True, False, True]*10000)
In [10]: %timeit np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
In [11]: %timeit ~s
10000 loops, best of 3: 73.5 µs per lo...
How to pretty-print a numpy.array without scientific notation and with given precision?
...mpy/reference/generated/numpy.set_printoptions.html
http://docs.python.org/2.7/library/stdtypes.html#string-formatting
'''
# http://stackoverflow.com/questions/2891790/pretty-printing-of-numpy-array
#...............................................................................
from __future__ i...
Reading binary file and looping over each byte
...ff with byte.
byte = f.read(1)
finally:
f.close()
Python 2.5-2.7
with open("myfile", "rb") as f:
byte = f.read(1)
while byte != "":
# Do stuff with byte.
byte = f.read(1)
Note that the with statement is not available in versions of Python below 2.5. To use it...
Specifying and saving a figure with exact size in pixels
...efig('figure.png', dpi=1)
I am using the last PIP versions of the Python 2.7 libraries in Linux Mint 13.
Hope that helps!
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Django Setup Default Logging
...in the process of otherwise smooth transition from 2.6 fileConfig logic to 2.7 dictConfig one.
– Antony Hatchkins
Sep 18 '14 at 6:39
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multiprocessing: sharing a large read-only object between processes?
...if code run in a child process tries to access a global variable... in the 2.7 docs refers to Python running under Windows.
– user1071847
Oct 23 '17 at 18:42
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What blocks Ruby, Python to get Javascript V8 speed? [closed]
...d. But these exist in Python most commonly in the PyPy project - a CPython 2.7 (and soon to be 3.0+) compatible JIT. And there are loads of evented server libraries like Tornado for example. Real world tests exist between PyPy running Tornado vs Node.js and the performance differences are slight.
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话，你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以，上面的代码经过编译后，...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...变成对函数_CxxThrowException (函数来自MSVCR100.dll或其他类似版本的dll)的调用。 这个函数有编译器内部构建。你喜欢的话，你可以自己调用它。这个函数的第一个参数是指向抛出的异常对象的指针。 所以，上面的代码经过编译后，...