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Function in JavaScript that can be called only once
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If by "won't be executed" you mean "will do nothing when called more than once", you can create a closure:
var something = (function() {
var executed = false;
return function() {
if (!executed) {
executed = true;
// do something
}
...
Which version of C# am I using
... does not tell you the right version number - on my PC, .NET 4.6 RC is installed but Assembly.ImageRuntimeVersion reports v4.0.30319
– Matt
Jul 14 '15 at 10:55
1
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Is it safe to check floating point values for equality to 0?
... know you can't rely on equality between double or decimal type values normally, but I'm wondering if 0 is a special case.
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Is it okay to use now?
...owsers/phone that support this can assist the user and other browser will fall back to a standard text field? Is this an acceptable practice? Does it even work?
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Incomplete type is not allowed: stringstream
Why does this line give the error Error: incomplete type is not allowed ?
3 Answers
3...
How to change to an older version of Node.js
...nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
You can find it at https://github.com/creationix/nvm
It allows you to easily install and manage multiple versions of node. Here's a snippet from the help:
Usage:
nvm install <version> Download a...
Spring schemaLocation fails when there is no internet connection
...ks even though intellij doesn't recognize the classpath syntax inside schemalLocation and highlights it as a error.
– Upgradingdave
Feb 27 '13 at 19:33
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Solutions for distributing HTML5 applications as desktop applications? [closed]
...ite native apps in HTML and JavaScript with node-webkit. It also lets you call Node.js modules directly from the DOM and enables a new way of writing native applications with all Web technologies.
Intel is behind this (?). I've been told it's very rough around the edges.
Brackets Shell, the sandbo...
Use URI builder in Android or create URL with variables
...what I am doing with each segment. I also added toString() to the build() call to get the proper type back.
– David
Oct 3 '13 at 20:19
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
... when you click the element marked with 'popup-marker'. So you'll have to call stopPropagation() on the event object. And apply the same trick when clicking on the popover itself.
Below is a working JavaScript code that does this. It uses jQuery >= 1.7
jQuery(function() {
var isVisible = fa...