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How to create an array containing 1…N
...escunliffe
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4
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How can I use threading in Python?
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answered Feb 11 '15 at 19:53
philshemphilshem
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Grouping functions (tapply, by, aggregate) and the *apply family
...ments, the 2nd elements, etc.
mapply(sum, 1:5, 1:5, 1:5)
[1] 3 6 9 12 15
#To do rep(1,4), rep(2,3), etc.
mapply(rep, 1:4, 4:1)
[[1]]
[1] 1 1 1 1
[[2]]
[1] 2 2 2
[[3]]
[1] 3 3
[[4]]
[1] 4
Map - A wrapper to mapply with SIMPLIFY = FALSE, so it is guaranteed to return a list.
Map(sum, 1:5,...
How to check for file lock? [duplicate]
...RROR_LOCK_VIOLATION;
– taiji123
Jul 15 '19 at 14:40
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Decreasing for loops in Python impossible?
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answered Jan 15 '12 at 1:53
pratikm pratikm
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Find number of months between two Dates in Ruby on Rails
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15
I need the one without considering days so this works for me. +1
– WattsInABox
Oct 31 '13 at 12:11
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How to get ID of the last updated row in MySQL?
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PomykPomyk
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Reusing output from last command in Bash
...ed by @memecs
– user2065875
Apr 20 '15 at 21:33
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Calculate business days
... date ?
– mcgrailm
May 18 '10 at 12:15
@mcgrailm: It's a similar idea, but you'd probably want to write a second funct...