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How can I override the OnBeforeUnload dialog and replace it with my own?
...
What worked for me, using jQuery and tested in IE8, Chrome and Firefox, is:
$(window).bind("beforeunload",function(event) {
if(hasChanged) return "You have unsaved changes";
});
It is important not to return anything i...
Regular expression to match a line that doesn't contain a word
...part here is that regular expressions in the strict sense can very much do what OP wants, but the common language to write them does not allow it, which leads to (mathematically ugly) workarounds like look-aheads. Please see this answer below and my comment there for (theoretically aligned) proper w...
public static const in TypeScript
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Here's what's this TS snippet compiled into (via TS Playground):
define(["require", "exports"], function(require, exports) {
var Library = (function () {
function Library() {
}
Library.BOOK_SHELF_NONE = ...
How to write a cron that will run a script every day at midnight?
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Here's a good tutorial on what crontab is and how to use it on Ubuntu. Your crontab line will look something like this:
00 00 * * * ruby path/to/your/script.rb
(00 00 indicates midnight--0 minutes and 0 hours--and the *s mean every day of every mon...
Makefile, header dependencies
...ces and had the order of dependency wrong for the two targets, too. That's what I get for typing from memory. Try it now.
– dmckee --- ex-moderator kitten
Aug 23 '11 at 21:15
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CSS transition effect makes image blurry / moves image 1px, in Chrome?
...ibility: hidden;
-webkit-transform: translateZ(0) scale(1.0, 1.0);
}
What this does is it makes the division to behave "more 2D".
Backface is drawn as a default to allow flipping things with rotate
and such. There's no need to that if you only move left, right, up, down, scale or rotate (cou...
Append value to empty vector in R?
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If all are discouraged it would be nice to highlight what's encouraged instead, as this is a fairly common pattern.
– baxx
Oct 28 '18 at 16:50
1
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Is there type Long in SQLite?
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What's the difference compared to just using INTEGER all the way?
– ericn
Aug 27 at 2:06
add a comme...
How to list the properties of a JavaScript object?
...pose has been introduced in ECMAScript 5th Edition. Object.keys() will do what you want and is supported in Firefox 4, Chrome 6, Safari 5 and IE 9.
You can also very easily implement the method in browsers that don't support it. However, some of the implementations out there aren't fully compat...
How to create relationships in MySQL
...atabases, and everyone is using Access. Bored with this, I am trying to do what the rest of the class is doing, but with raw SQL commands with MySQL instead of using Access.
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