Computers

Each problem that I solved became a rule which served afterwards to solve other problems. — Descartes

Competitions

• USA Computing Olympiad
• USACO Training Program -- a challenging CS workout
• TopCoder -- programming contests and software development
• CodeCup -- run by the Dutch National Olympiad in Informatics
• 6.370 -- held each January at MIT
• ACM International Collegiate Programming Contest -- for the truly hardcore

Programming Resources

General

• Bruce Eckel has written a number of great books, some of which are online for free.
• Web Ware Index: Tutorials -- free programming tutorials
• DevCentral -- more tutorials
• Virtual Teacher at the University of Alberta -- still more tutorials
• World Wide Web Consortium
• www.w3schools.com -- tutorials in various Web protocols (HTML, XML, CSS, etc.)
• Web Design Group -- making the Web accessible to all
• Unicode
• Roman Czyborra has a lot of stuff about character sets, particularly Unicode.
• refcards.com has a few handy refcards.
• Decompose IEEE Floating Point Number -- Ever wonder about the internal representation of a float or double?
• Bit Twiddling Hacks

C/C++

• Standard C -- covering C90 and ISO amendment 1
• Dinkumware's library references -- including C99, C++, and the Java core libraries
• Lysator C Archive
• Steve Summit -- He maintains the comp.lang.c FAQ and has good notes on C.
• Bjarne Stroustrup -- the inventor of C++
• C++ Annotations
• Incompatibilities between ISO C and ISO C++ -- by David Tribble
• Programming in C/UNIX system calls and subroutines using C -- this covers a lot of stuff

Java

• Sun's Java site
• Sun's Java Tutorial
• Introduction to Programming Using Java
• JUnit -- unit testing
• Java style guide -- which is also relevant to C, C++, Perl, etc.

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Last update: 2006-04-19