effects

FP is not about not having side effects at all

“I though it was obvious, but apparently it's not. FP is not about not having side effects at all, otherwise it would be useless. It's just about deferring them for as long as possible, that's all.”

~ Alessandro Lacava, in this tweet

Scala: What do “effect” and “effectful” mean in functional programming?

When you get started with functional programming (FP) a common question you’ll have is, “What is an effect in functional programming?” You’ll hear advanced FPers use the words effects and effectful, but it can be hard to find a definition of what these terms mean.

A gallery of 130+ Gimp filters/effects examples

There are times when I work on images a lot with Gimp, and then there are times when I don’t work with Gimp for a month or two. When I don’t work with Gimp a lot, I tend to forget about all of the different things I can do with. Therefore, I have created this page as a “Gimp special effects cheat sheet” page to help remind me of all the cool things I can do with Gimp effects.

How to install Script-Fu scripts to work with Gimp (Mac OS X)

I couldn’t get the Gimp “Reflection” filter to work (on Gimp 2.8), so after a little digging around I found that the GimpHelp.org website has kept some of the Gimp scripts — called Script-Fu scripts — up to date. So I downloaded those scripts, and then had to figure out how to make them work in Gimp.