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Learn Lisp programming language

I dabbled with Basic, PHP, and Python, but I never put in enough time to create anything useful. I am reading Hackers and Painters by Paul Graham. He spends quite a bit of time explaining why Lisp is the most powerful programming language. Eric S. Raymond, in How to Become a Hacker, says “LISP is worth learning for a different reason — the profound enlightenment experience you will have when you finally get it.”

I then found the book Practical Common Lisp. The introduction has really made me want to learn Lisp. Read it here for free: Learn Lisp programming language

Gimp Animation Package Onion Skinning

The following is from

Re: [Gimp-user] GAP Onionskin Question

Thu, 23 Oct 2008 21:14:46 -0700

I have some comments on Bhaaluu’s onion-skinning tutorial which is
included at the end of this message.

Step 9 instructs the user to perform a “File->Open” the second frame
(f_000002.xcf). When using GAP, you should not use File->Open to
navigate frames; use one of the commands: “Video->Go To” (which is
useful to assign keyboard shortcuts), “Video->Playback” (which
provides some nice “scrubbing” functionality), or “Video->VCR
Navigator” (which provides easy cut-n-pasting of frames). Not only
will the operation take much less time, but some operations depend
upon GAP managing the displays. Step 9 should instruct “Video->Go
To->Next Frame”.

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