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Error to install Nokogiri on OSX 10.9 Maverick?
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You can also install Nokogiri on Mac OS X 10.9 Mavericks with full XCode Install using:
gem install nokogiri -- --with-xml2-include=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/libxml2
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Floating point vs integer calculations on modern hardware
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Find the most frequent number in a numpy vector
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Regular expression to match numbers with or without commas and decimals in text
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Best way to test if a row exists in a MySQL table
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Most popular screen sizes/resolutions on Android phones [closed]
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You can see the resolutions for those categories in the Table 2, in this section: http://develop...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
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Split (explode) pandas dataframe string entry to separate rows
...bout something like this:
In [55]: pd.concat([Series(row['var2'], row['var1'].split(','))
for _, row in a.iterrows()]).reset_index()
Out[55]:
index 0
0 a 1
1 b 1
2 c 1
3 d 2
4 e 2
5 f 2
Then you just have to rename the columns
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Computational complexity of Fibonacci Sequence
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Is there a way to detect if an image is blurry?
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