On a related note, here are some interesting articles.
SQL injection and how to protect your website
Experienced developers are expensive. In a world where cutting cost seems like the best option, companies try to maximize their profit by spending less and less on good talent. It is much cheaper to hire someone who just learned php a few weeks ago then a seasoned developer. But it becomes a very bad investment when the newbie introduces insecure code. The problem is, a lot of things learned from those LAMP CRUD application tutorial do not focus much on security. When this code is introduced to a commercial application, the damage can be very expensive. I like how stackoverflow users are fighting very hard to eradicate SQL injection, I am doing my part too but it seems like it is much easier to find insecure code on-line. That said, I will attempt to scare you off your feet so you know better what is the cost of SQL injection.
Web War 3.0 - Screen sizes
When I started working as a web developer, there was no longer a need to use the hacks from the 90s to make your website work. The marquee and blink tags where already dead. I could still see some old blogs referencing document.layers but they were on their way out. But still when I started, I had to worry very much about writing cross browser code.
Simple Responsive CSS trick
Responsive web is here to stay. Some websites are very hard to read when presented at full scale on a tiny screen. I found it cumbersome to rewrite all my CSS styles inside a @media tag to make it responsive at different screen size. However, lately I have been using a few lines of codes that make my page look good no matter where it is displayed.