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This is a growing list: String#concat Should be String#concat! I guess it's meant to resemble #insert, #delete, #fill, #replace, #cle...

Supposedly, Ruby has introspection, but some things are missing. For example: # How to get the name of the current method? # Add this sni...

How To Debug Web Applications With Firefox How To Optimize Your Site With   HTTP   Caching How To Optimize Your Site With   GZIP   Compr...

This post made me realize that very few people are aware of a nice way to work with URLs for dynamic content. Many sites use the hash (#)...

# First, the most important place for interesting commands: http://www.commandlinefu.com/commands/browse/sort-by-votes # Now, a bunch o...

http://javascriptweblog.wordpress.com/2010/12/07/namespacing-in-javascript/ The section on using this as a namespace proxy is brilliant. T...

There is a great deal of confusion on how to use flex/bison ( lex/yacc ) with reentrancy. The biggest reason, as shown here , is that flex ...