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How can I obtain the element-wise logical NOT of a pandas Series?
...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 loop
In [12]: %timeit (-s)
10000 loops,...
List files by last edited date
...esult looks a lot like ls -l:
-rw-r--r-- 1 root root 3892 08/11/2009 11:03:36 /usr/share/man/man1/xmllint.1.gz
-rw-r--r-- 1 root root 22946 08/13/2009 11:59:20 /usr/share/man/man1/curl.1.gz
-rw-r--r-- 1 root root 728 08/17/2009 12:06:33 /usr/share/man/man1/thund...
How does a garbage collector avoid an infinite loop here?
...
110
As per Richter in the second edition of CLR via C# (yes I need to update):
Page 478
For (...
pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...p 打印使用帮助信息
本人使用的版本时v0.11的和v1的版本有一些区别，主要是作者重新编写了pdftohtmlEX.js所以需要对照上面的js做相应修改
window.onload=function(){
var eles = document.getElementsByClassName('pd w0 h0');
var height...
Exclude folders from Eclipse search
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answered May 24 '11 at 13:14
atzzatzz
14.9k33 gold badges3232 silver badges3131 bronze badges
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Can I change the root EBS device of my amazon EC2 instance?
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answered Jun 16 '11 at 22:15
Eight-Bit GuruEight-Bit Guru
8,88922 gold badges4444 silver badges6060 bronze badges
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How to make an app's background image repeat
... image deformation
– Felipe
Sep 30 '11 at 21:37
2
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Read a text file using Node.js?
...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...
How to make a valid Windows filename from an arbitrary string?
... '\t', '\n', '\v', '\f', '\r', '\x000e', '\x000f', '\x0010', '\x0011', '\x0012', '\x0013', '\x0014', '\x0015', '\x0016', '\x0017', '\x0018', '\x0019', '\x001a', '\x001b', '\x001c', '\x001d', '\x001e', '\x001f', ':', '*', '?', '\\', '/' };
– Diego Jancic
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What's the correct way to sort Python `import x` and `from x import y` statements?
...
116
Imports are generally sorted alphabetically and described in various places beside PEP 8.
Alp...