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Best way to find if an item is in a JavaScript array? [duplicate]
...t IE or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The best workaround is to define it yourself if it's not present:
Mozilla's (ECMA-262) version:
if (!Array.prototype.indexOf)
{
Array.pr...
add created_at and updated_at fields to mongoose schemas
...ut do you remember by any chance if fields created this way can be used as index?
– manidos
Aug 25 '17 at 18:31
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How to debug a bash script? [closed]
... 3:
for x in $ARRAY; do
^-- SC2128: Expanding an array without an index only gives the first element.
fix the bug, first try...
$ cat test.sh
ARRAY=("hello there" world)
for x in ${ARRAY[@]}; do
echo $x
done
$ shellcheck test.sh
In test.sh line 3:
for x in ${ARRAY[@]}; do
...
Using jquery to get element's position relative to viewport
...overflow: scroll; position: relative;
} #res { position: fixed; top: 0; z-index: 2; font-family: Verdana; background: #c0c0c0; line-height: .1em; padding: 0 .5em; font-size: 12px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="r...
git add . vs git commit -a
...hanges from all known files (i.e. all files that are already listed in the index)
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Design Pattern for Undo Engine
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@paulm: essentially the actual data is indexed by (id, version). Pointers refer to a particular version of an object, but you’re seeking to refer to the current state of an object, whatever that may be, so you want to address it by id, not by (id, version). You ...
How to convert a PNG image to a SVG? [closed]
... Here is an explanation how to do this in Inkscape: wiki.inkscape.org/wiki/index.php/Potrace
– Erel Segal-Halevi
Oct 9 '12 at 6:43
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Input placeholders for Internet Explorer
... (recommended by html5please.com). http://afarkas.github.com/webshim/demos/index.html also has a good solution among its much more extensive library of polyfills.
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Sort array of objects by string property value
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is it possible to use a index as well to address the field for sorting: instead of last_nom use just the number in the array: 1 ?
– and-bri
May 29 '17 at 18:15
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How to amend older Git commit? [duplicate]
... reset --soft HEAD^ # go to the second one but keep the tree and index the same
git commit --amend -C HEAD@{1} # use the message from first commit (omit this to change)
git checkout HEAD@{3} -- . # get the tree from the commit you did not want to touch
git add -A ...