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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
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11 Answers
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Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...t_index().drop_duplicates(subset='index', keep='first').set_index('index')
1000 loops, best of 3: 1.54 ms per loop
>>> %timeit df3.groupby(df3.index).first()
1000 loops, best of 3: 580 µs per loop
>>> %timeit df3[~df3.index.duplicated(keep='first')]
1000 loops, best of 3: 307 µ...
How to take column-slices of dataframe in pandas
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10 Answers
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...nvironments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...re used for Pattern Matching.
To use in Excel follow these steps:
Step 1: Add VBA reference to "Microsoft VBScript Regular Expressions 5.5"
Select "Developer" tab (I don't have this tab what do I do?)
Select "Visual Basic" icon from 'Code' ribbon section
In "Microsoft Visual Basic for Applicat...
Which is better, number(x) or parseFloat(x)?
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318
The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, whil...
Rails I18n validation deprecation warning
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Important: Make sure your app is not using I18n 0.6.8, it has a bug that prevents the configura...
Pandas percentage of total with groupby
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14 Answers
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Formatting floats without trailing zeros
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18 Answers
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Need a simple explanation of the inject method
I'm looking at this code but my brain is not registering how the number 10 can become the result. Would someone mind explaining what's happening here?
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