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How does the Java 'for each' loop work?
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How to profile a bash shell script slow startup?
... -c -f ./script.sh
From the manual:
-c Count time, calls, and errors for each system call and report a summary on program exit.
-f Trace child processes ...
This is not exactly what you want and what a line-oriented profiler would show to you but it usually helps to find hot ...
Cron and virtualenv
...ll
It's tricky to spot why this fails as /var/log/syslog doesn't log the error details. Best to alias yourself to root so you get emailed with any cron errors. Simply add yourself to /etc/aliases and run sendmail -bi.
More info here:
http://codeinthehole.com/archives/43-Running-django-cronjobs-...
Multiple commands in an alias for bash
...pass the argument? Nesting variable 'msg' inside lock() parentheses gives error syntax error near unexpected token msg'`..
– geotheory
Mar 25 '14 at 14:57
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How to kill all processes matching a name?
...names.
– user79878
Feb 12 '14 at 20:05
It will fail if the are not matches for pgrep
– alfredoca...
How can you automatically remove trailing whitespace in vim
I am getting 'trailing whitespace' errors trying to commit some files in git.
13 Answers
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How do I sort a list of dictionaries by a value of the dictionary?
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– Permafacture
Aug 23 '13 at 21:05
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How to specify the location with wget?
...) adding a trailing slash to "directory prefix" would cause a double slash error (i.e., my/favorite/dir/prefix//) furthermore, considering the semantics, "directory prefix" would not require a trailing slash.
– Timothy L.J. Stewart
Apr 7 '17 at 21:14
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How to check if remote branch exists on a given remote repository?
...ctly in a conditional, as with if git ls-remote ...; then ...; fi, is less error-prone than checking $? (which can be changed by logging statements, traps, etc).
– Charles Duffy
May 8 '14 at 3:46
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Index all *except* one item in python
Is there a simple way to index all elements of a list (or array, or whatever) except for a particular index? E.g.,
9 An...