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Best way to give a variable a default value (simulate Perl ||, ||= )
... to do $var = @$var ?: 'default value'; If so, why? Given that the only "error" could be that $var isn't set, and that we don't care if $var isn't set...
– Codemonkey
Nov 13 '15 at 14:14
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Equivalent of “throw” in R
How does one "throw" an error in R? I have a function that takes a data frame and some column names and does stuff with them. If the columns don't exist, I want the function to stop and to stop all functions depending on it.
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How can I parse a CSV string with JavaScript, which contains comma in data?
...y one possible definition for "comma-separated values".
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2014-05-19: Added disclaimer.
2014-12-01: Moved disclaimer to top.
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Calculating arithmetic mean (one type of average) in Python
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compie
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answered Oct 10 '11 at 17:22
NPENPE
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OS detecting makefile
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this breaks on osx too. /bin/sh: -c: line 0: syntax error near unexpected token ,Windows_NT' /bin/sh: -c: line 0: ifeq (,Windows_NT)' make: *** [os] Error 2
– k107
Dec 2 '16 at 7:58
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How to change the color of an svg element?
....785c1.711,0.297,2.961,1.781,2.961,3.518v0.093c0,1.72-1.223,3.188-2.914,3.505
c-37.093,6.938-124.97,21.35-134.613,21.35c-13.808,0-25-11.192-25-25c0-9.832,14.79-104.675,21.618-143.081
c0.274-1.542,1.615-2.669,3.181-2.669h0.008c1.709,0,3.164,1.243,3.431,2.932l18.933,119.904L382.816,265.785z"/>
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How to search and replace globally, starting from the cursor position and wrapping around the end of
... of use.
– q335r49
Mar 18 '14 at 22:05
Neither the original command nor its version with a prompt returns the cursor t...
How to download an entire directory and subdirectories using wget?
...r.
– isomorphismes
Jun 21 '14 at 17:05
2
I tried the above command to get all the files from http...
How to list all tags along with the full message in git?
... |
edited Feb 27 at 4:05
answered Oct 14 '14 at 17:33
s...
Does using “new” on a struct allocate it on the heap or stack?
...ference)
– user1234567
Jul 10 at 12:05
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