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Are custom elements valid HTML5?
...re all valid names, while <tabs> and <foo_bar> are not. This requirement is so the HTML parser can distinguish custom elements from regular elements. It also ensures forward compatibility when new tags are added to HTML.
Some Resources
Example Web Components are available at https://We...
Calculating sum of repeated elements in AngularJS ng-repeat
...shows the item name, its amount and the subtotal ( product.price * product.quantity ).
19 Answers
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Node.js: Difference between req.query[] and req.params
Is there a difference between obtaining QUERY_STRING arguments via req.query[myParam] and req.params.myParam ? If so, when should I use which?
...
How to modify a specified commit?
...t into the stage. Now pick and commit any files as you wish. This flow is quite well explained in "git-rebase" man page. See section "Splitting commits". bit.ly/d50w1M
– Diego Pino
Mar 15 '10 at 19:18
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Check if an apt-get package is installed and then install it if it's not on Linux
... was installed, type:
dpkg -s <packagename>
You can also use dpkg-query that has a neater output for your purpose, and accepts wild cards, too.
dpkg-query -l <packagename>
To find what package owns the command, try:
dpkg -S `which <command>`
For further details, see articl...
jQuery vs document.querySelectorAll
I heard several times that jQuery's strongest asset is the way it queries and manipulates elements in the DOM: you can use CSS queries to create complex queries that would be very hard to do in regular javascript .
However , as far as I know, you can achieve the same result with document.querySele...
How to detect the device orientation using CSS media queries?
...screen and (orientation:landscape) { … }
The CSS definition of a media query is at http://www.w3.org/TR/css3-mediaqueries/#orientation
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How to fix corrupted git repository?
...ss ${url_base} before continuing"
if ! wget -p "${url_base}" -O /dev/null -q --dns-timeout=5 --connect-timeout=5 ;
then
echo "Unable to reach ${url_base}: Aborting before any damage is done" >&2
exit 4
fi
echo
echo "This operation will replace the local repo with the remote at:"
echo...
How to open every file in a folder?
...nswer is a dupe of the pre-existing "how to list all files in a directory" Q and A's
– Hack-R
Jun 11 '17 at 19:26
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What is the difference between a Docker image and a container?
...a Docker registry such as registry.hub.docker.com. Because they can become quite large, images are designed to be composed of layers of other images, allowing a minimal amount of data to be sent when transferring images over the network.
Local images can be listed by running docker images:
REPOSIT...