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Remove a string from the beginning of a string
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11 Answers
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How do I write a “tab” in Python?
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158
This is the code:
f = open(filename, 'w')
f.write("hello\talex")
The \t inside the string i...
How can I obtain the element-wise logical NOT of a pandas Series?
...: s = pd.Series([True, True, False, True])
In [8]: ~s
Out[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
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How to format numbers by prepending 0 to single-digit numbers?
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Javascript - sort array based on another array
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21 Answers
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Context switches much slower in new linux kernels
We are looking to upgrade the OS on our servers from Ubuntu 10.04 LTS to Ubuntu 12.04 LTS. Unfortunately, it seems that the latency to run a thread that has become runnable has significantly increased from the 2.6 kernel to the 3.2 kernel. In fact the latency numbers we are getting are hard to belie...
WAMP 403 Forbidden message on Windows 7
I have installed WAMP version 2.1 on my windows 7 machine. When i browse to localhost in my browser, the WAMP server page is visible.
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Get all git commits since last tag
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edited Sep 12 '18 at 4:48
answered Aug 22 '12 at 23:59
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