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What's the difference between event.stopPropagation and event.preventDefault?

..."#foo").click(function () { alert("parent click event fired!") }) <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div id="foo"> <button id="but">button</button> </div> stopPropagation $("#but").click(...
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jQuery selector regular expressions

...n() { return this.id.match(/abc+d/); }) .html("Matched!"); <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <div id="abcd">Not matched</div> <div id="abccd">Not matched</div> <div id="abcccd">Not matc...
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Why use strict and warnings?

... @Jean if you are writing a simple script you really don't want to get alerted by warnings about file handler names or for not declaring the variable before using them :-) – user2676847 Aug 17 '14 at 8:51 ...
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Uninstall / remove a Homebrew package including all its dependencies

... The third party brew rmtree script is now available in a tap: brew tap beeftornado/rmtree && brew install beeftornado/rmtree/brew-rmtree – Nick McCurdy Nov 23 '14 at 2:22 ...
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Installing Python 3 on RHEL

...rtualenv using pyvenv: python3.6 -m venv /tmp/foo If you use the pyvenv script, you'll get a WARNING: $ pyvenv-3.6 /tmp/foo WARNING: the pyenv script is deprecated in favour of `python3.6 -m venv` Solution 2: IUS Community repositories The IUS Community provides some up-to-date packages for R...
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About catching ANY exception

...ht and swallowed those then you could make it hard for anyone to exit your script. share | improve this answer | follow | ...
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Differences between detach(), hide() and remove() - jQuery

...; <div class="goodevening">good evening</div> </div> <script> $("div.hai").empty(); </script> This will result in a DOM structure with the Hai text deleted: <div class="content"> <div class="hai"></div> <div class="goodevening">good evenin...
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How to validate an email address in JavaScript

Is there a regular expression to validate an email address in JavaScript? 95 Answers 9...
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Where can I set environment variables that crontab will use?

... Have 'cron' run a shell script that sets the environment before running the command. Always. # @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $ # Crontab file for Home Directory for Jonathan Leffler (JL) #-----------------------------...
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When do I use the PHP constant “PHP_EOL”?

... Should it be used as the end-line character when writing a command-line script? – Thomas Owens Sep 24 '08 at 17:37 5 ...