Checking and Calling a Plugin
While looking at action.php code, I found this useful information how to check whether a plugin exist and to access it.
Benchmarking Nucleus
Here's a cookbook how to setup a simple benchmarking on your blog.
Getting a Dose of Parameters
I know, this is mostly HTTP stuff, but it is improtant for a plugin writer to understand this because this is how a plugin received inputs from external. And I found this useful information here and thought to make a note to it to remind myself.
Cookie business
Form time to time, a plugin might have a need to access cookie. So, this little post talks about it.