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Android 'Unable to add window — token null is not for an application' exception
...s. But I did not use new Dialog(getApplicationContext()); I only use ' new AlertDialog.Builder(mContext);' where mContext is a referent to an activity.
– michael
Nov 3 '11 at 21:36
...
How best to determine if an argument is not sent to the JavaScript function
...Default parameters
function Test(arg1 = 'Hello', arg2 = 'World!'){
alert(arg1 + ' ' +arg2);
}
Test('Hello', 'World!'); // Hello World!
Test('Hello'); // Hello World!
Test(); // Hello World!
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Can I escape html special chars in javascript?
... if you try to access it like this: document.createTextNode("<script>alert('Attack!')</script>").textContent
– maechler
Mar 14 '19 at 15:02
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What is the “hasClass” function with plain JavaScript?
....querySelector(".section-name").classList.contains("section-filter")) {
alert("Grid section");
// code...
}
<!--2. Add a class in the .html:-->
<div class="section-name section-filter">...</div>
...
How can I sanitize user input with PHP?
... die($validator->getScript()."<script type='text/javascript'>alert('saved changes');</script>");
* }
* else
* {
* die($validator->getScript());
* }
*
* To validate just one element:
* $validated = new FormValidator()->validate('blah@bla.', 'email');
*...
How to get just numeric part of CSS property with jQuery?
...le:
var marginBottom = "10px";
marginBottom = parseInt(marginBottom, 10);
alert(marginBottom); // alerts: 10
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Get the value in an input text box
...his:
$(document).ready(function(){
$("#txt_name").keyup(function(){
alert(this.value);
});
});
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get CSS rule's percentage value in jQuery
...$('.parent').hide();
var width = $('.child').width();
$('.parent').show();
alert(width);
See my example.
Now... I wonder if I'm first to discover this hack:)
Update:
One-liner
element.clone().appendTo('body').wrap('<div style="display: none"></div>').css('width');
It will leave b...
Textarea onchange detection
...eyup = function(){
var callcount = 0;
var action = function(){
alert('changed');
}
var delayAction = function(action, time){
var expectcallcount = callcount;
var delay = function(){
if(callcount == expectcallcount){
action();
...
Moment.js - how do I get the number of years since a date, not rounded up?
... fraction values:
var years = moment().diff('1981-01-01', 'years',false);
alert( years);
if you want fraction values:
var years = moment().diff('1981-01-01', 'years',true);
alert( years);
Units can be [seconds, minutes, hours, days, weeks, months, years]
...