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How can I obtain the element-wise logical NOT of a pandas Series?
...y 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, best of 3: 73.5 µs per loop
As of Pandas 0...
How to check iOS version?
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1012
The quick answer …
As of Swift 2.0, you can use #available in an if or guard to protect c...
XPath query to get nth instance of an element
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answered Oct 24 '10 at 15:42
Dimitre NovatchevDimitre Novatchev
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MySQL WHERE: how to write “!=” or “not equals”?
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answered Jul 10 '12 at 20:53
RolandoMySQLDBARolandoMySQLDBA
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How can Perl's print add a newline by default?
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101
Perl 6 has the say function that automatically appends \n.
You can also use say in Perl 5.10 ...
Embedding Python in an iPhone app
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answered Sep 11 '10 at 16:23
bbumbbum
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How to vertically align elements in ?
...olbar ul li
{
display: table-cell;
height: 100px;
list-style-type: none;
margin: 10px;
vertical-align: middle;
}
.toolbar ul li a {
display:table-cell;
vertical-align: middle;
heig...
Conda: Installing / upgrading directly from github
...:
name: sample_env
channels:
dependencies:
- requests
- bokeh>=0.10.0
- pip:
- "--editable=git+https://github.com/pythonforfacebook/facebook-sdk.git@8c0d34291aaafec00e02eaa71cc2a242790a0fcc#egg=facebook_sdk-master"
It's still calling pip under the covers, but you can now unify yo...
How to loop through all the files in a directory in c # .net?
... MDSN for details: https://msdn.microsoft.com/en-us/library/ms143316(v=vs.110).aspx
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微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术
...一天，微软将在全球同步推送最新的桌面操作系统Windows 10，在经历了“就那样”的Windows 8与8.1之后，Windows 10似乎又一次作为这家软件巨头的救命稻草被推上了历史的舞台。与之相对应的，苹果也将在九月份推出正式版的OS X El Ca...