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MongoDB: update every document on one field
... Date.now() returns a timestamp, too. See developer.mozilla.org/en/JavaScript/Reference/Global_Objects/…
– Philippe Plantier
Jan 27 '12 at 19:10
...
jQuery selector for inputs with square brackets in the name attribute
... needing two backslashes is because a single backslash is interpreted as a JavaScript string escape character, so you need two to specify a literal backslash, which provides the escape character to the selector... ah, the joys of multiple levels of character escaping.
– Peter
...
How do you sort an array on multiple columns?
...nstructs a new function that encapsules the previous one. At sorting time, javascript will not strictly "loop through" the items, but it will call the function you pass it many times. The number of calls will not change by using thenBy. For some performance considerations, read: github.com/Teun/then...
Draw on HTML5 Canvas using a mouse
...
Here is a working sample.
<html>
<script type="text/javascript">
var canvas, ctx, flag = false,
prevX = 0,
currX = 0,
prevY = 0,
currY = 0,
dot_flag = false;
var x = "black",
y = 2;
function init()...
When to choose mouseover() and hover() function?
...uery documentation
.mouseover()
Bind an event handler to the "mouseover" JavaScript event, or trigger
that event on an element.
.hover() Bind one or two handlers
to the matched elements, to be executed when the mouse pointer
enters and leaves the elements.
Calling $(selector).hover(handl...
How to detect Adblock on my website?
...
No extra requests. No external libraries. Just plain, simple JavaScript:
var adBlockEnabled = false;
var testAd = document.createElement('div');
testAd.innerHTML = '&nbsp;';
testAd.className = 'adsbox';
document.body.appendChild(testAd);
window.setTimeout(function() {
...
Stopping fixed position scrolling at a certain point?
... particular case:
<script src="scripts/jquery-1.4.2.min.js" type="text/javascript"></script>
<script src="scripts/jquery-scrolltofixed-min.js" type="text/javascript"></script>
$(document).ready(function() {
$('#mydiv').scrollToFixed({ marginTop: 250 });
});
...
What are naming conventions for MongoDB?
... whether RDBMS tables should be named singular or plural...
MongoDB speaks JavaScript, so utilize JS naming conventions of camelCase.
MongoDB official documentation mentions you may use underscores, also built-in identifier is named _id (but this may be be to indicate that _id is intended to be priv...
Minimum and maximum date
I was wondering which is the minimum and the maximum date allowed for a Javascript Date object. I found that the minimum date is something like 200000 B.C., but I couldn't get any reference about it.
...
How to get and set the current web page scroll position?
...
thanks, I found this: articles.sitepoint.com/article/javascript-from-scratch/6 and modified the getScrollingPosition() to store the values in hidden variables. Then in the html of the refreshed page I use <body onLoad="window.scrollTo(x,y), where x and y are those from the h...