Java Programming Notes

Java Programming Notes is a handy Java reference by Fred Swartz. In his words, he explains:

These Java programming notes are written to fill in missing or weak topics in textbooks that I've taught from. Many pages are useful for reference, but not as an ordered tutorial. Some pages are still rough drafts, but I'm slowly working on fixing them.

Escaping JavaScript and PHP

Here are some references for encoding and decoding in JavaScript and PHP, so that passing information via ajax or urls can be done cleanly.

The Art of Web - useful testing area for JavaScript and PHP.
W3Schools JavaScript Reference - just JavaScript