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Asynchronously load images with jQuery
...he onload handlers were not the right choice. In my case when printing via javascript. So there are actually two options to use AJAX style for this:
Solution 1
Use Base64 image data and a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in B...
Detect if a page has a vertical scrollbar?
...ow height :)
if ($("body").height() > $(window).height()) {
alert("Vertical Scrollbar! D:");
}
// Check if body width is higher than window width :)
if ($("body").width() > $(window).width()) {
alert("Horizontal Scrollbar! D:<");
}
});
...
In Rails - is there a rails method to convert newlines to ?
...sing it for a web app. It relies on Rails interpreting special syntax like javascript:alert(\no!\) as given in the reference. There could be endless variations and future variations for malicious hackers to work with.
– Chloe
Dec 22 '13 at 8:18
...
jQuery callback for multiple ajax calls
...estsCompleted({
numRequest: 3,
singleCallback: function(){
alert( "I'm the callback");
}
});
//usage in request
$.ajax({
url: '/echo/html/',
success: function(data) {
requestCallback.requestComplete(true);
}
});
$.ajax({
url: '/echo/html/',
success: f...
jQuery Set Select Index
...he selected option, but not the number of element as does selectedIndex in javascript.
To select the option with value="7" you can simply use:
$('#selectBox').val(7); //this will select the option with value 7.
To deselect the option use an empty array:
$('#selectBox').val([]); //this is the be...
How to stop event propagation with inline onclick attribute?
...
Use event.stopPropagation().
<span onclick="event.stopPropagation(); alert('you clicked inside the header');">something inside the header</span>
For IE: window.event.cancelBubble = true
<span onclick="window.event.cancelBubble = true; alert('you clicked inside the header');">...
vertical-align with Bootstrap 3
... There is no need to use any html comment <!-- --> or any javascript code to fix the extra space issue, there is a simple and effective CSS trick: negative margins. Just add margin-right: -4px; to the .vcenter class. Tested and working with all browsers (except for the old ...
RGB to hex and hex to RGB
...urn "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(rgbToHex(0, 51, 255)); // #0033ff
Converting the other way:
function hexToRgb(hex) {
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16...
How to add a touch event to a UIView?
...l.text = "Long press recognized"
// example task: show an alert
if gesture.state == UIGestureRecognizerState.began {
let alert = UIAlertController(title: "Long Press", message: "Can I help you?", preferredStyle: UIAlertControllerStyle.alert)
alert.add...
jQuery returning “parsererror” for ajax request
...ether a valid JSON is being returned or not, and if JSON validation fails, alert it on the screen so that its obvious for what purpose the ajax call is actually failing. Have a look at this:
$.ajax({
url: '/Admin/Ajax/GetViewContentNames',
type: 'POST',
dataType: 'text',
data: {view...