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What is the Git equivalent for revision number?
...out -b new_branch_name" to do "git branch foo" and "git checkout foo" as a one-liner.
– makdad
Jun 19 '12 at 16:28
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numpy: most efficient frequency counts for unique values in an array
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Update: The method mentioned in the original answer is deprecated, we should use the new way instead:
>>> import numpy as np
>>> x = [1,1,1,2,2,2,5,25,1,1]
>>> np.array(np.unique(x, return_counts=True)).T
array([[ 1, ...
Determine if variable is defined in Python [duplicate]
...every for statement -- that's how an iterator lets it known that it's all done. And of course, it is far from "an exceptional case" for iteration to be done -- indeed, one expects most iterations to terminate. Thus, obviously, your opinions on how exceptions "should" be used are not correctly appl...
Converting camel case to underscore case in ruby
...oviding the code used and citing rails as the source this answer is a good one for ruby, It says you can include rails, or just include this function that the rails team wrote and have tested.
– Michael Gorman
Nov 6 '19 at 16:44
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Performance of Arrays vs. Lists
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The link mentioned in the above comment by Jon to Jon Skeet's blog was broken. Below is the updated link. codeblog.jonskeet.uk/2009/01/29/…
– Josh DeLong
Oct 20 '14 at 13:54
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
...st function (also from reshape2) integrates the melt and dcast function in one go for tasks like this: recast(df1, year + month ~ variable, sum, id.var = c("date", "year", "month"))
– Jaap
May 13 '16 at 6:17
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C-like structures in Python
...at breaking changes happened between 3.6 and 3.7 that you have to backport one minor version back...?
– Purple Ice
Feb 17 '19 at 18:36
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How to add footnotes to GitHub-flavoured Markdown?
...the numbering of your footnotes. It works reasonably well if you only have one or two, though.
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php: determine where function was called from
... time I found debug_backtrace() what a superb function. I'll be using this one!
– David Yell
Nov 9 '12 at 10:37
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Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
...g error message instead of clearly stating that you miss a reference. Someone cannot program at microsoft. Well, thanks for the fix
– Liquid Core
Oct 24 '16 at 10:19
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