I am trying to create a custom linear congruential generator (LCQ) in JavaScript (the one used in glibc). Its properties as it’s stated on Wikipedia are: m=2^31 , a=1103515245 , c=12345. Now I am getting next seed value with Although the generator seems to work, but when the numbers are tested on canvas…
Author: admin@master
onsubmit not fired when last entry is correct
Everything works fine when there is nothing in the email input, but as soon as I enter a “valid” email address, it doesn’t even fire the function because the alert is never triggered. Any help will be appreciated. Javascript (js/registration.js): HTML: Answer You dont have x defined here. i …
How to access JSON Object key with colon in name [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Questions asking for code must demonstrate a minimal understanding of the problem being solved. Include attempted solutions, why they didn’t work, and the expected results. See also: Stack Overflow ques…
How to replace/name keys in a Javascript key:value object?
How should I replace the key strings in a Javascript key:value hash map (as an object)? This is what I have so far: See it running in this jsbin. The “before” and “after” hashmaps are the same, so the forEach seems to be in a different scope. How can I fix it? Perhaps there are better …
Append to a table when tbody is absent and how to make all existing jqueries work for that row
I have the following jquery to append to a table dynamically based on user interaction and data received from the server. Now each column in the table has some specific class and some style attributes like the column itemId is hidden and so on. My dynamic addition is working fine if I already have one row but…
Unbind .onselectstart return false
I am trying to write a userscript that will remove the effects of onselectstart from an id on a page. So far I am assuming that I can rebind the original function using something like this: JSFiddle Any ideas would be appreciated. Answer Looks like I managed to work out the answer. Thank you LightStyle for gi…
Calling a function on Bootstrap modal open
I used to use jQuery UI’s dialog, and it had the open option, where you can specify some Javascript code to execute once the dialog is opened. I would have used that option to select the text within the dialog using a function I have. Now I want to do that using bootstrap’s modal. Below is the HTM…
How to format date with hours, minutes and seconds when using jQuery UI Datepicker?
Is it possible to format a date with jQuery UI Datepicker as to show hours, minutes and seconds? This is my current mockup: When I call .datepicker({ dateFormat: ‘yyy-dd-mm HH:MM:ss’ }) the returned value is: 201313-07-03 HH:July:ss Here is a JSFiddle. Answer For the time picker, you should add ti…
Change mouse cursor in Javascript or jQuery
How can I change the mouse cursor in Javascript or in jQuery ? I know it’s a very classic question, but very strangely this JSFiddle doesn’t work : http://jsfiddle.net/2Qffw/. Here is the code : Answer Do it in both html and body: http://jsfiddle.net/2Qffw/3/
How to calculate rotation in 2D in Javascript
I am not so familiar trigonometry, but I have only two points to rotate in 2D: cx, cy = rotation center x,y = current x,y nx, ny = new coordinates How to calculate new points in a certain angle? Answer The first two parameters are the X and Y coordinates of the central point (the origin around which the secon…