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src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory
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248
Install libxslt-devel & libxml2-devel using
sudo apt-get install libxml2-dev libxslt1-dev...
How to split a delimited string into an array in awk?
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285
Have you tried:
echo "12|23|11" | awk '{split($0,a,"|"); print a[3],a[2],a[1]}'
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What is the difference between dict.items() and dict.iteritems() in Python2?
...d is also gone, since items() in Python 3 works like viewitems() in Python 2.7.
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Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...特性导致还是因为用户当前的环境变化导致的暂时失败。2、临界值界定,如果方案选中的心跳值是临界值,我们该怎么办。Ray和组件组同事在网络方面有极其丰富的经验,虽然他没有给我们指出明确的方向,但提出的问题帮助...
How do you get centered content using Twitter Bootstrap?
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23 Answers
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Get decimal portion of a number with JavaScript
I have float numbers like 3.2 and 1.6 .
22 Answers
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Can someone give an example of cosine similarity, in a very simple, graphical way?
...unt the number of times each of these words appears in each text:
me 2 2
Jane 0 1
Julie 1 1
Linda 1 0
likes 0 1
loves 2 1
more 1 1
than 1 1
We are not interested in the words themselves though. We are interested only in
those two vertical vectors of counts. F...
Extracting the last n characters from a ruby string
... a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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Uninstall all installed gems, in OSX?
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Rubygems >= 2.1.0
gem uninstall -aIx
a removes all versions
I ignores dependencies
x includes executables
Rubgems < 2.1.0
for i in `gem list --no-versions`; do gem uninstall -aIx $i; done
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