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javascript find and remove object in array based on key value
...veral approaches on how to find an object in an array, where ID = var, and if found, remove the object from the array and return the new array of objects.
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how to use sed, awk, or gawk to print only what is matched?
...add use -E sed option to trigger modern RE format. Check re_format(7), specifically last paragraph of DESCRIPTION developer.apple.com/library/mac/#documentation/Darwin/Reference/…
– anddam
Mar 3 '13 at 16:33
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Bash syntax error: unexpected end of file
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If you can Edit your bash file with Notepad++. Go to Edit-> EOL Conversion-> Macintosh(CR). Change it to Macintosh(CR) even if you are using Windows OS.
– Juniar
Jul 28 '17 at 13:5...
How can I check whether a option already exist in select by JQuery
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This evaluates to true if it already exists:
$("#yourSelect option[value='yourValue']").length > 0;
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
...g syntax in my partial templates to set default values for local variables if a value wasn't explicitly defined in the :locals hash when rendering the partial --
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How to pip install a package with min and max version range?
I'm wondering if there's any way to tell pip, specifically in a requirements file, to install a package with both a minimum version ( pip install package>=0.2 ) and a maximum version which should never be installed (theoretical api: pip install package<0.3 ).
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SQL Server Text type vs. varchar data type [closed]
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If you're using SQL Server 2005 or later, use varchar(MAX). The text datatype is deprecated and should not be used for new development work. From the docs:
Important
ntext , text, and image data types will be removed...
Accessing bash command line args $@ vs $*
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The difference appears when the special parameters are quoted. Let me illustrate the differences:
$ set -- "arg 1" "arg 2" "arg 3"
$ for word in $*; do echo "$word"; done
arg
1
arg
2
arg
3
$ for word in $@; do echo "$word"; ...
How can I get the max (or min) value in a vector?
...ud), myend(cloud)) << '\n';
}
Oh, and use std::minmax_element(...) if you need both at once :/
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What is the difference between PS1 and PROMPT_COMMAND
... http://www.gnu.org/software/bash/manual/bashref.html
PROMPT_COMMAND
If set, the value is interpreted as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I could have used this back when I only had sh.
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