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Javascript and regex: split string and keep the separator
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answered Aug 17 '12 at 8:01
JonJon
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Call apply-like function on each row of dataframe with multiple arguments from each row
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How to find where gem files are installed
...t about your gem environment:
RubyGems Environment:
- RUBYGEMS VERSION: 2.1.5
- RUBY VERSION: 2.0.0 (2013-06-27 patchlevel 247) [x86_64-darwin12.4.0]
- INSTALLATION DIRECTORY: /Users/ttm/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0
- RUBY EXECUTABLE: /Users/ttm/.rbenv/versions/2.0.0-p247/...
What ReSharper 4+ live templates for C# do you use? [closed]
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AWS ssh access 'Permission denied (publickey)' issue [closed]
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Virtualbox “port forward” from Guest to Host [closed]
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Is it possible to use 'else' in a list comprehension? [duplicate]
... c. It can be used in comprehension statements:
>>> [a if a else 2 for a in [0,1,0,3]]
[2, 1, 2, 3]
So for your example,
table = ''.join(chr(index) if index in ords_to_keep else replace_with
for index in xrange(15))
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C++ preprocessor __VA_ARGS__ number of arguments
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Numbering rows within groups in a data frame
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Use ave, ddply, dplyr or data.table:
df$num <- ave(df$val, df$cat, FUN = seq_along)
or:
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What is the difference between String.slice and String.substring?
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slice() works like substring() with a few different behaviors.
Syntax: string.slice(start, stop...