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How to check whether dynamically attached event listener exists or not?
...;
<!-- Include the Custom Event Storage file -->
<script src = "https://cdn.rawgit.com/angelpolitis/custom-event-storage/master/main.js"></script>
<!-- A Test HTML element -->
<div id = "test" style = "background:#000; height:50px; width: 50px"></div>
...
What is a clearfix?
...fari) and Android's default browser 4.4.
For a detailed browser list see: https://caniuse.com/flexbox.
(Perhaps once its position is established completely, it may be the absolutely recommended way of laying out elements.)
A clearfix is a way for an element to automatically clear its child elem...
Calculate text width with JavaScript
...r that text is to be rendered with (e.g. "bold 14px verdana").
*
* @see https://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393
*/
function getTextWidth(text, font) {
// re-use canvas object for better performance
var canvas = getTextWidth.canvas...
ios app maximum memory budget
...ened. This helps to find out what's the memory budget for any iOS device.
https://github.com/Split82/iOSMemoryBudgetTest
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Cookies on localhost with explicit domain
...s() was always being set to TRUE.
Since I wasn't visiting localhost with https my browser would never accept the cookie. So, I modified that portion of my code to conditionally set the 'secure' param based on $_SERVER['HTTP_HOST'] being 'localhost' or not. Working well now.
I hope this helps some...
Maven in Eclipse: step by step installation [closed]
...
(Edit 2016-10-12: Many Eclipse downloads from https://eclipse.org/downloads/eclipse-packages/ have M2Eclipse included already. As of Neon both the Java and the Java EE packages do - look for "Maven support")
Way 1: Maven Eclipse plugin installation step by step:
Open ...
Can every recursion be converted into iteration?
...-first traversal can be done using a queue.
So, the answer is: yes. Why: https://stackoverflow.com/a/531721/2128327.
Can any recursion be done in a single loop? Yes, because
a Turing machine does everything it does by executing a single loop:
fetch an instruction,
evaluate it,
goto 1.
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How to detect total available/free disk space on the iPhone/iPad device?
...I have written a class to get available/used memory using Swift.
Demo at: https://github.com/thanhcuong1990/swift-disk-status
Swift 4 updated.
import UIKit
class DiskStatus {
//MARK: Formatter MB only
class func MBFormatter(_ bytes: Int64) -> String {
let formatter = ByteCount...
How to color System.out.println output? [duplicate]
...
No, but there are third party API's that can handle it
http://www.javaworld.com/javaworld/javaqa/2002-12/02-qa-1220-console.html
Edit: of course there are newer articles than that one I posted, the information is still viable though.
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Run certain code every n seconds [duplicate]
... print "Hello, World!"
printit()
# continue with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
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