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Timeout a command in bash without unnecessary delay
... ;;
d) delay=$OPTARG ;;
*) printUsage; exit 1 ;;
esac
done
shift $((OPTIND - 1))
# $# should be at least 1 (the command to execute), however it may be strictly
# greater than 1 if the command itself has options.
if (($# == 0 || interval <= 0)); then
printUsage
exit 1
...
SVG fill color transparency / alpha?
...e's no problem with using that. The CSS3 syntax is in CSS3 Color, which is one step away from becoming a w3c recommendation. SVG 1.1 doesn't reference CSS3 Color because it wasn't available at the time, a future version of SVG probably will.
– Erik Dahlström
M...
Loop inside React JSX
...thing like the following in React JSX (where ObjectRow is a separate component):
66 Answers
...
When monkey patching an instance method, can you call the overridden method from the new implementat
...e.
You can’t call the overwritten method by name or keyword. That’s one of the many reasons why monkey patching should be avoided and inheritance be preferred instead, since obviously you can call the overridden method.
Avoiding Monkey Patching
Inheritance
So, if at all possible, you shoul...
WPF Button with Image
... to get this working. I didn't test it, but maybe this is the way to go if one wants an image and the text.
– Onsokumaru
Dec 6 '19 at 14:05
...
How to select only the first rows for each unique value of a column
..., and indexes those occurrences by AddressLine. By imposing where row = 1, one can select the CName whose AddressLine comes first alphabetically. If the order by was desc, then it would pick the CName whose AddressLine comes last alphabetically.
...
__proto__ VS. prototype in JavaScript
...operty of an object, it changes the object on which prototype lookups are done. For instance, you can add an object of methods as a function's __proto__ to have a sort of callable instance object.
– kzh
Aug 19 '14 at 11:50
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Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST
If the protect_from_forgery option is mentioned in application_controller, then I can log in and perform any GET requests, but on very first POST request Rails resets the session, which logs me out.
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How to store a git config as part of the repository?
...-local. You can also create a custom configuration file, and include it in one of the supported files.
For your needs custom - is the right choice. Instead of writing your filter in .git/config you should save it in .gitconfig file in your repository root:
your-repo/
│
├── .git/
│ ├...
Associative arrays in Shell scripts
...:*}
VALUE=${animal#*:}
printf "%s likes to %s.\n" "$KEY" "$VALUE"
done
echo -e "${ARRAY[1]%%:*} is an extinct animal which likes to ${ARRAY[1]#*:}\n"
You could throw an if statement for searching in there as well. if [[ $var =~ /blah/ ]].
or whatever.
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