Eskimo Joe

http://www.hackingwithphp.com/ That's a very comprehensive guide (actually, it's whole book put online) to PHP. Covers just about everything, from basic syntax and standard functions, to using databases, XML, networking, and more. Very cool.

Here's a site about developing for Palm OS. According to this page, you can use C or Java. That's the Java page, but I'm not sure where C programming resources for Palm are.

Personally, I use jEdit and the command line. jEdit is a free programming editor written in Java. Plus, it has dozens of plugins to download on its site. I really don't like using full-blown IDEs (Eclipse, JCreator, etc.) because they often take too long to load, and I like compiling everything myself anyway (or use jEdit's JCompiler plugin if I need to compile a larger project). I use to use Vim, but I haven't used its key shortcuts enough to make it useful. I do like its speed, however. Also, I suggest to not use Windows Notepad. Not only does it have an extreme lack of features, but it doesn't display Unix or Mac endlines correctly, which is a real pain when opening a file that someone made on another OS...

Well, it really depends on what type of game you want to make. Java is an easy language with an extensive API. Because of its simplicity (compared to C/C++), it'll be a lot easier to make games with it. However, it's true that it is rather slow, and making 2D and especially 3D games might lag a bit, depending on how you code it. But if you're making text games, then speed will not be an issue. So, if you're just starting out making games, use Java, but if you want to get into more advanced graphics, C++ will be better. By the way, C++ is the current standard in professional programming (including video games), so if you want to get a job making games, you'd better learn it. Here's an example of making a Space Invaders clone in Java.