Don’t load hidden images

I have a bunch of hidden images on my website. Their container DIVs have style=”display: none”. Depending on the user’s actions, some images may be revealed via javascript. The problem...

Uniquely identify two instances of one browser that share Se

I want to ensure a user isn’t editing the same form data in two different browser tabs or windows (of the same web browser instance). The intention is to stop the user from accidentally overwriting...

Setting web page background color

I can set the background color of the current page using: document.body.style.background=’red’;Is there any way I can set the color of a page from another page?Note: I can set the color when...

PHP returning JSON to JQUERY AJAX CALL

I am still struggling to get my head around the ins and out of JQUERY, AJAX and PHP.I can now call the PHP OK, process the form elements and send an email, but I am not handling the return to the AJAX....

How to secure login and member area with SSL certificate?

Background: I have a asp.net webapplication project that should contain a public and a member area. Now I want to implement a SSL decription to secure communication between the client and the server....

Passing variables to a function using a button and submittin

I am attempting to setup a multiple select box page that has 1 master select box and a dynamic number of child ones.For example: I have 10 territories and within those 10 territories can be 100 counties....

Strategy for handling variable time queries?

I have a typical scenario that I’m struggling with from a performance standpoint. The user selects a value from a dropdown and clicks a button. A stored procedure takes that value as an input parameter,...

How can I emulate a form submission with a javascript File o

So I have a file object created from a drag and drop into an area from desktop. Now things all dandy, until I have to upload it via Ajax to a Django backend. I would like to utilize the nice Django utils...

Interactive Report Quick Filter: show all columns

Normally, the quick-filter column selection would not allow you to pick a non-displayed column to filter on. You could however apply a filter through the Actions > Filter menu. If applying a contains-filter...

How can I get Yahoo realtime stock quotes in Perl?

There’s a fairly easy way of retrieving 15-minute delayed quotes off of Yahoo! Finance web site (“quotes.csv” API).However, so far I was unable to find any info on how to access real-time...