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Order data frame rows according to vector with specific order
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236
Try match:
df <- data.frame(name=letters[1:4], value=c(rep(TRUE, 2), rep(FALSE, 2)))
target...
Postgres: Distinct but only for one column
... (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
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Split a string on whitespace in Go?
Given an input string such as " word1 word2 word3 word4 " , what would be the best approach to split this as an array of strings in Go? Note that there can be any number of spaces or unicode-spacing characters between each word.
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Cannot use ref or out parameter in lambda expressions
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edited Apr 27 '16 at 9:30
silkfire
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Use curly braces to initialize a Set in Python
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103
There are two obvious issues with the set literal syntax:
my_set = {'foo', 'bar', 'baz'}
It'...
What is the email subject length limit?
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edited Oct 20 '09 at 3:43
answered Oct 20 '09 at 3:36
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Android Quick Actions UI Pattern
... JuriJuri
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Why is git prompting me for a post-pull merge commit message?
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