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Why were pandas merges in python faster than data.table merges in R in 2012?
... coerce character to
factor. Factors are still supported. Implements FR#1493, FR#1224
and (partially) FR#951.
New functions chmatch() and %chin%, faster versions of match()
and %in% for character vectors. R's internal string cache is
utilised (no hash table is built). They are about 4 times faster
t...
Rails - controller action name to string
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339
Rails 2.X: @controller.action_name
Rails 3.1.X: controller.action_name, action_name
Rails 4....
Syntax behind sorted(key=lambda: …)
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Gaurang Tandon
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answered Jan 23 '12 at 2:26
EvanEvan
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List of all index & index columns in SQL Server DB
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phonegap open link in browser
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answered Jul 26 '13 at 17:28
freejoshfreejosh
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How can I edit a view using phpMyAdmin 3.2.4?
I need to simply edit a very complicated view in phpMyAdmin 3.2.4 but I cannot figure how to do that. Any suggestions?
Thanks!
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Replacement for “rename” in dplyr
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dplyr version 0.3 added a new rename() function that works just like plyr::rename().
df <- rename(df, new_name = old_name)
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imp...
How do I get an object's unqualified (short) class name?
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jeremysawesome
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answered Nov 11 '13 at 15:09
lonesomedaylonesomeda...
What is ASP.NET Identity's IUserSecurityStampStore interface?
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