Building efficient websites with AJAX
This does not exhaust the capabilities of dynamic HTML, including graphics that legacy HTML could only implement by embedding bitmaps.
User input can be visualized without server interaction, thus reducing the load on the server. Normally, much of a web server's bandwidth is consumed by serving up graphics.
Unfortunately, multi-browser support is not guaranteed: None of the popular browsers support all three formats referred to here.
Firefox can handle SVG and Canvas, Safari just Canvas, and Internet Explorer just VML.
Tried and Trusted Tools
The boxes are made up of freely positioned CSS div elements. If em is used as a unit instead of px (pixel) for placing and sizing, the box height, width, and position are based on the size of the letter "m."
The whole graph will then scale to reflect the text size without any effort on the developer's part.
Users can also easily scale the graphic up and down in most browsers with the mouse wheel.
Buy this article as PDF
New tool will look like GParted but support a wider range of storage technologies.
New public key pinning feature will help prevent man-in-the-middle attacks.
Carnegie Mellon researchers say 3 million pages could fall down the phishing hole in the next year.
The US government rolls new best-practice rules for protecting SSH.
Klaus Knopper announces the latest version of his iconic Live Linux system.
All websites that use these popular CMS tools could be vulnerable to denial of service attacks if users don't install the updates.
According to a report, many potential victims of the Heartbleed attack have patched their systems, but few have cleaned up the crime scene to protect themselves from the effects of a previous intrusion.
DARPA and NICTA release the code for the ultra-secure microkernel system used in aerial drones.
Should you trust an online service to store your online passwords?
New B+ board lets you build cool things without the complication of a powered USB hub.