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How to extract the decision rules from scikit-learn decision-tree?
...at(indent, tree_.value[node])
recurse(0, 1)
This prints out a valid Python function. Here's an example output for a tree that is trying to return its input, a number between 0 and 10.
def tree(f0):
if f0 <= 6.0:
if f0 <= 1.5:
return [[ 0.]]
else: # if f0 > 1.5
...
How do I check the difference, in seconds, between two dates?
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Upvoted for Python 2.6 answer. total_seconds() is a 2.7+ feature.
– Joe Holloway
Feb 13 '14 at 23:55
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Using R to list all files with a specified extension
...the following way:
files <- list.files()
dbf.files <- files[-grep(".xml", files, fixed=T)]
First line just lists all files from working dir. Second one drops everything containing ".xml" (grep returns indices of such strings in 'files' vector; subsetting with negative indices removes corres...
Upgrade python packages from requirements.txt using pip command
How do I upgrade all my python packages from requirements.txt file using pip command?
13 Answers
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Maven: missing net.sf.json-lib
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For ivy users, after trying many different iterations to configure my ivy.xml to properly find this dependency, this finally worked for me:
<dependency org="net.sf.json-lib" name="json-lib" rev="2.4">
<artifact name="json-lib" url="http://repo1.maven.org/maven2/net/sf/json-lib/...
Styling multi-line conditions in 'if' statements? [closed]
...rence to using a backslash for line continuation." You can see this here: python.org/dev/peps/pep-0008/#maximum-line-length
– joshcartme
Jan 21 '13 at 21:54
8
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Is it bad to have my virtualenv directory inside my git repository?
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If you, say pip install mysql-python, on a 64 bit machine, and then someone with a 32 bit machine tries to use it, it will not work. It uses a C module, like many Python modules do, to increase performance. I imagine Windows->Linux would also not work....
Python Selenium accessing HTML source
...w can I get the HTML source in a variable using the Selenium module with Python?
8 Answers
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如何获取IE (控件)的所有链接（包括Frameset, iframe） - 其他 - 清泛IT社...
...NULL )
{
// 对 _framedoc 节点进行处理
}
}复制代码iframe 跨域访问(cross frame) zz from : http://codecentrix.blogspot.com/ ... cument-returns.html
由于安全性限制, 为防止跨域...
Sync data between Android App and webserver [closed]
...ebserver and your android app. The two most popular formats these days are XML and JSON. When choosing your format, you should think about what sort of serialization libraries are available. I know off-hand that there's a fantastic library for json serialization called gson: https://github.com/googl...