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How to determine whether a given Linux is 32 bit or 64 bit?
...so there is a packaging tool that outputs it for other packaging tools and scripts to use, called dpkg-architecture. It includes both what it's configured to build for, as well as the current host. (Normally these are the same though.) Example output on a 64-bit machine:
DEB_BUILD_ARCH=amd64
DEB_B...
Escape quotes in JavaScript
...re causing the onclick HTML attribute to close prematurely.
Using the JavaScript escape character, \, isn't sufficient in the HTML context. You need to replace the double-quote with the proper XML entity representation, ".
...
jQuery multiple events to trigger the same function
...ation is important, and may (or may not) be required depending on when the script is loaded / run, and if the elements exist in the DOM at the time the script is loaded / run.
– random_user_name
Jan 11 '17 at 16:57
...
jQuery If DIV Doesn't Have Class “x”
...http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/jquery.min.js"></script>
<title>Sandbox</title>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<style type="te...
preventDefault() on an tag
...
Set the href attribute as href="javascript:;"
<ul class="product-info">
<li>
<a href="javascript:;">YOU CLICK THIS TO SHOW/HIDE</a>
<div class="toggle">
<p>CONTENT TO SHOW/HIDE</p>
</div>
</li&g...
What's the difference between .bashrc, .bash_profile, and .environment?
... flavor of Bash I use has a different algorithm for deciding which startup scripts to run. For the purposes of tasks like setting up environment variables and aliases and printing startup messages (e.g. MOTDs), which startup script is the appropriate place to do these?
...
Uploading both data and files in one form using Ajax?
...var form = $("#Form");
// you can't pass Jquery form it has to be javascript form object
var formData = new FormData(form[0]);
//if you only need to upload files then
//Grab the File upload control and append each file manually to FormData
//var files = form.find("#fileupload"...
iFrame src change event detection?
...in the following example:
<iframe src="http://www.google.com/" onLoad="alert('Test');"></iframe>
The alert will pop-up whenever the location within the iframe changes. It works in all modern browsers, but may not work in some very older browsers like IE5 and early Opera. (Source)
If ...
ExecJS::RuntimeError on Windows trying to follow rubytutorial
...ace. There is an actual problem with ExecJS working properly with the JavaScript runtime on your system and removing this line is just ignoring that fact.
2) Installing Node.js / Running away - Many people seem to just end up installing Node.js and using that instead of the JavaScript runtime alre...
Is there a “null coalescing” operator in JavaScript?
...he assignment will use the second operand. Beware of all the cases below:
alert(Boolean(null)); // false
alert(Boolean(undefined)); // false
alert(Boolean(0)); // false
alert(Boolean("")); // false
alert(Boolean("false")); // true -- gotcha! :)
This means:
var whatIWant = null || new ShinyObject...