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http://citizen428.net/blog/2010/08/12/30-free-programming-ebooks/ Since this post got quite popular I decided to incorporate some of the excellent suggestions posted in the comments, so this list now has more than 50 books in it. BTW : I’m not very strict on the definition of “ebook”, some of them are really just HTML versions of books. [ UPDATED : 2012-01-18] Learning a new programming language always is fun and there are many great books legally available for free online. Here’s a selection of 30 of them: Lisp/Scheme: Common Lisp: A Gentle Introduction to Symbolic Computation How to Design Programs Interpreting Lisp ( PDF , suggested by Gary Knott ) Let Over Lambda On Lisp Practical Common Lisp Programming in Emacs Lisp Programming Languages.

30 free programming eBooks « citizen428.blog()

I’ve been using LESS religiously ever since I stumbled upon it months ago. CSS was never really a problem for me, in and of itself, but I was intrigued by the idea of using variables to create something along the lines of a color palette for my websites and themes. Having a color palette with a fixed number of options to choose from helps prevent me from going color crazy and deviating from a chosen style. http://coding.smashingmagazine.com/2011/09/09/an-introduction-to-less-and-comparison-to-sass/

An Introduction To LESS, And Comparison To Sass

Last week we posted a collection of printable wireframing templates which included some for iPhone and iPad app design. These are great for communicating early mockups and ideas, but when it’s time for those ideas to make the jump from paper to the computer screen, it’s helpful to have a library of UI elements at your disposal. Since we love saving you time, we’ve found some for you. Here are 11 UI Kits for iPhone and iPad Development . iPad GUI Kit in PSD Format http://webdesignledger.com/freebies/11-ui-kits-for-iphone-and-ipad-development

UI Kits