Clojure Koans

Clojure koans are exercises meant to initiate you to the mysteries of the Clojure language. By following along the path set before you, you will touch on all the major aspects of the language, from simple datatypes to macros, from tail recursion to Java interoperability.

Clojure Koans.

gag – Project Hosting on Google Code

The Google Annotations Gallery is an exciting new Java open source library that provides a rich set of annotations for developers to express themselves. Do you find the standard Java annotations dry and lackluster? Have you ever resorted to leaving messages to fellow developers with the @Deprecated annotation? Wouldn’t you rather leave a @LOL or @Facepalm instead? If so, then this is the gallery for you.

via gag – Project Hosting on Google Code.

Free Programming Books

Here is a categorized list of online programming books available for free download. The books cover all major programming languages: Ada, Assembly, Basic, C, C#, C++, CGI, JavaScript, Perl, Delphi, Pascal, Haskell, Java, Lisp, PHP, Prolog, Python, Ruby, as well as some other languages, game programming, and software engineering. The books are in various formats for online reading or downloading. This list will be updated daily. Scroll downn, or use the shortcuts below.

via Free Programming Books.