SitePoint is fortunate to receive visitors from all over the world. However, the vast majority are from the US, UK, Ireland, Australia and New Zealand. As native English speakers, it’s easy to forget the billions of Russian, Chinese, Arabic and other computer users who do not speak the language.
Thanks to the recent recurrence of a vulnerability I wrote about a few years ago and a gentle prod from Simon, I decided it would be good to write about the dangers of cross-domain Ajax with Flash again.
If you have a blog, you know the trolls I am referring to. Trolls are typically people who post rude comments with the sole intent of offending or provoking others. Their comments are usually off-topic and are meant to initiate a defensive or equally vicious response from the target.
"Is it possible to dynamically reload the number of users in a chatroom only when the data is changed?"
I have just updated my popular Optimizing PHP article with additional information on caching. I discuss memcache and squid. I also updated the PHP Accelerators and changed the tone of some parts of the article. I quote:
Perhaps the most significant change to PHP performance I have experienced since I first wrote this article is my use of Squid, a web accelerator that is able to take over the management of all static http files from Apache.
Package:
Loading Div
Summary:
Display an animation while a page is loading
Groups:
HTML
Author:
Gianluca Zanferrari
De