Whether you write plugins or hacks for WordPress, or you want to add bits and pieces of code about your own WordPress site or other programming code like HTML, CSS, PHP, or Javascripts, putting code in your post that "looks" like code, but "doesn't behave" like code, is a frequent challenge for bloggers.
Writing Code in Your Posts takes you through the various processes and choices you have in adding code to your posts. These include how to make the code "look" like code, and various resources you can use if you put code in your posts frequently.