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How can I exclude all “permission denied” messages from “find”?
...files_and_folders | grep -v 'Permission denied' >&2
Note that the order of the redirections matters: 2>&1 must come first.
Capturing stdout output in a file up front allows 2>&1 to send only error messages through the pipeline, which grep can then unambiguously operate on.
T...
Saving changes after table edit in SQL Server Management Studio
... happens because sometimes it is necessary to drop and recreate a table in order to change something. This can take a while, since all data must be copied to a temp table and then re-inserted in the new table. Since SQL Server by default doesn't trust you, you need to say "OK, I know what I'm doing,...
Functional design patterns [closed]
...s.
Chapters 11-13 cover Functors, Applicative Functors and Monads, in that order. This is helpful - many tutorials introduce Functors and then Monads, and then tack Applicative Functors on at the end (if they cover it at all). The order in LYAH is better, because moving from Functors => Applicati...
How to get current timestamp in milliseconds since 1970 just the way Java gets
...e UNIX epoch, but the spec only says it must be the system-wide real time wall clock. There is no requirement for the steady_clock to match reality, only that it only move forward.
– Oz.
Jul 27 '15 at 23:22
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Make .git directory web inaccessible
...e a .htaccess file in the .git folder and put the following in this file:
Order allow,deny
Deny from all
But note, that it would be lost if you ever re-cloned the repository
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Real world example about how to use property feature in python?
...ef protein_folding_angle(self):
# number crunching, remote server calls, etc
# all results in an angle set in 'some_angle'
# It could also reference a cache, remote or otherwise,
# that holds the latest value for this angle
return some_angle
>>> f = ...
How can I join elements of an array in Bash?
... +1. What about printf -v bar ",%s" "${foo[@]}". It is one fork less (actually clone). It is even forking reading a file: printf -v bar ",%s" $(<infile).
– TrueY
Jun 8 '13 at 22:55
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Authorize a non-admin developer in Xcode / Mac OS
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Finally, I was able to get rid of it using DevToolsSecurity -enable on Terminal.
Thanks to @joar_at_work!
FYI: I'm on Xcode 4.3, and pressed the disable button when it launched for the first time, don't ask why, just assume my ...
Terminating a script in PowerShell
...ions to throw to a wrapping try-catch and exit from that wrapping catch in order to actually output an error exit code.
– Josh
Mar 16 '16 at 14:37
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How to remove constraints from my MySQL table?
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Postgres, MSSQL, and Oracle all have alter table .. drop constraint. MySQL is the odd one out, it seems.
– Jared Beck
Mar 23 '15 at 23:48
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