When creating responsive web site designs, you need to consider the devices on which the user will be viewing the design. Each device has it's own optimal screen width, for example iPads, iPhone and web browsers all have their own widths. Check out this tutorial on the best way to figure out the optimal breakpoints for each device >>
Great tutorial on how to take your design and turn it into a WordPress theme. Lots of images and explanation make it an easy read, with fairly extensive code views and explanations too >>
Here's a chart of the most important, and most utilized website technologies including up/down trends. Can you guess what is more used than PHP? Can you guess where YouTube ranks? Take a look >>
Developers should learn about Adobe Edge which promises to be an important software tool as Flash starts to lose it's footing due to the onset of HTML5.. Download a test drive free >>
If you are not already a pro at jQuery you will be feeling the pinch. How to learn to use jQuery? Get straight on the official site, and you will see the long code you must travel before you will be at the cutting edge.
These might be the handiest little Holiday gifts you'll get all year - fantastic HTML5 cheat sheets for all tags, event handlers and browser support. Download these sheets and save 'em for reference, you'll need 'em!