Are you ready to design your first Compiler? Excellent book and code

Free Online Compiler Design Textbooks by prof. Seth D. Bergmann http://elvis.rowan.edu/~bergmann/books.html

Excellent book on Compiler design and demo codes for small Pascal, C++ and Java compilers.

Test your code online on 10 different programming languages

Yesterday we got nice tip on irc channel for this site: http://eval.in/

You can write your test code in the browser and execute it in 10 different programming languages.