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How to go to each directory and execute a command?
...sh 4.4 with mapfile -t -d '' dirs < <(find . -type d -print0). Until then, your only option is to use a loop (or defer the operation to find).
– gniourf_gniourf
Oct 4 '15 at 14:03
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List comprehension vs map
... function); however this is fine because if the function were complicated, then performance overhead would be negligible compared to other factors in the program. (It may still be interesting to test with other simple things like f=lambda x:x+x)
If you're skilled at reading python assembly, you can...
How do I download a file over HTTP using Python?
...tility that I use to download an MP3 file from a website on a schedule and then builds/updates a podcast XML file which I've added to iTunes.
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How can I echo a newline in a batch file?
...ut to a file why not just do the following? echo line 1 > Makefile and then echo line 2 >> Makefile . Use of >> causes the output to be appended to the file, which is precisely the behavior you need for this case.
– dgnuff
Jan 4 '18 at 16:49
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The Concept of 'Hold space' and 'Pattern space' in sed
...pattern space now contains the second line, a newline, and the first line.
Then, h command inserts the concatenated contents of the pattern buffer into the hold space, which now holds the reversed lines two and one.
We proceed to line number three -- go to the point (3) above.
Finally, after the l...
Should *.xccheckout files in Xcode5 be ignored under VCS?
...name I used when cloning the repo. If this file is supposed to be shared, then Apple have done a pretty poor job.
– Herr Grumps
Nov 11 '13 at 12:41
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How can you program if you're blind?
...ral rule java programs that use SWT as the GUI toolkit are more accessible then programs that use Swing which is why I stay away from netbeans. For any .net programming I use visual studio 2005 since it was the standard version used at my internship and is very accessible using Jaws and a set of scr...
How do I rename a project in Xcode 5?
...heme name:-
rename .xscheme file
If your Project is static framework then make sure your header file has public target membership
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Read an Excel file directly from a R script
...rs using read_excel? I like the speed compared to read.xlsx, but having to then manually convert columns from characters to factors defeats the purpose.
– coip
Aug 20 '15 at 21:15
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What breaking changes are introduced in C++11?
...e definition context. Incidentally, I think if we would still have export, then I think the other TUs wouldn't need to rely on the explicit instantiation, but could instantiate the template themselfs. Then it would make a difference whether or not internal linkage functions are visible in the instan...