大约有 40,000 项符合查询结果(耗时:0.0714秒) [XML]
StringIO in Python3
I am using Python 3.2.1 and I can't import the StringIO module. I use
io.StringIO and it works, but I can't use it with numpy 's genfromtxt like this:
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Show which git tag you are on?
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Edit: Jakub Narębski has more git-fu. The following much simpler command works perfectly:
git describe --tags
(Or without the --tags if you have checked out an annotated tag. My tag is lightweight, so I need the --tags.)
original answer follows:
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What is setup.py?
Can anyone please explain what setup.py is and how it can be configured or used?
10 Answers
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Java Stanford NLP: Part of Speech labels?
The Stanford NLP, demo'd here , gives an output like this:
10 Answers
10
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Advantages of using display:inline-block vs float:left in CSS
Normally, when we want to have multiple DIVs in a row we would use float: left , but now I discovered the trick of display:inline-block
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Twitter Bootstrap - how to center elements horizontally or vertically
is there any way to center html elements vertically or horizontally inside the main parents?
12 Answers
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Can I use a :before or :after pseudo-element on an input field?
... use the :after CSS pseudo-element on an input field, but it does not work. If I use it with a span , it works OK.
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Styling multi-line conditions in 'if' statements? [closed]
... cond3 == 'val3' and cond4 == 'val4'):
do_something
Also, don't forget the whitespace is more flexible than you might think:
if (
cond1 == 'val1' and cond2 == 'val2' and
cond3 == 'val3' and cond4 == 'val4'
):
do_something
if (cond1 == 'val1' and cond2 == 'val2'...
Regex to match only letters
...es one letter from A–Z in lowercase and uppercase. [a-zA-Z]+ matches one or more letters and ^[a-zA-Z]+$ matches only strings that consist of one or more letters only (^ and $ mark the begin and end of a string respectively).
If you want to match other letters than A–Z, you can either add them ...
Big-O summary for Java Collections Framework implementations? [closed]
...O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is.
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