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In Bash, how to add “Are you sure [Y/n]” to any command or alias?
...something_else
fi
Note: If $response is an empty string, it will give an error. To fix, simply add quotation marks: "$response". – Always use double quotes in variables containing strings (e.g.: prefer to use "$@" instead $@).
Or, Bash 4.x:
read -r -p "Are you sure? [y/N] " response
response=$...
How to execute mongo commands through shell scripts?
...ate({\"name\":\"foo\"},{$set:{\"this\":\"that\"}});"
> E QUERY SyntaxError: Unexpected token :
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Linux/Unix command to determine if process is running?
...nd non-zero if it isn't. The POSIX spec says that ps must exit >0 if an error has occurred but it is unclear to me what constitutes 'an error'. Therefore I'm not personally using that strategy although I'm pretty sure it will work as well on all Unix/Linux platforms.
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Xcode Debugger: view value of variable
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answered Jul 23 '13 at 17:05
Lex L.Lex L.
53355 silver badges77 bronze badges
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Right query to get the current number of connections in a PostgreSQL DB
...nection
– neonidian
Dec 13 '19 at 8:05
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Zero-based month numbering [closed]
... Tl;dr: Because of the array lookup monthName[monthNumber] or mon_name[tm_mon] with time.h notation.
– Perseids
Aug 30 '15 at 11:36
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How do I iterate through each element in an n-dimensional matrix in MATLAB?
...ay(:)',
element = element + idx;
end
UPD. tnx @rayryeng for detected error in last answer
Disclaimer
The timing information that this post has referenced is incorrect and inaccurate due to a fundamental typo that was made (see comments stream below as well as the edit history - specificall...
Way to get all alphabetic chars in an array in PHP?
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answered Jan 10 '09 at 23:05
PEZPEZ
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Rails 4 - Strong Parameters - Nested Objects
... @nayiaw i also get the unpermitted message but adding permit! raises this error NoMethodError (undefined method permit!' for #<Array:0x007f80cb71ea00>):`
– wuliwong
Apr 17 '18 at 22:17
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How do I determine file encoding in OS X?
...enca and you have to specify language but none works, so: enca FILENAME -L __
– Shane
Jul 30 '18 at 20:27
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