cczona

"When using haml, an HTML tag is represented using %tagname, but in the case of an HTML tag with attributes, the representation is %tagname{:attribute => value}. It turns out there must be no whitespace between %tagname and {:attribute => value}....

ruby

1 602 posted 16 years ago by cczona

Ruby order/format of params in method definition

See also p. 348 ("Invoking a Method") of Pickaxe 2nd edition

ruby

1 610 posted 16 years ago by cczona

Ruby What version of Ruby and Rails is this using?

ruby

1 576 posted 16 years ago by cczona

Ruby Ruby heredoc tricks

Following a

ruby

2 604 posted 16 years ago by cczona

Ruby Use regex to match a Ruby substring, and reference it like an index

ruby

1 873 posted 16 years ago by cczona

Ruby optimize Ruby memory usage by avoiding string accumulation

ruby

1 501 posted 16 years ago by cczona

Ruby make Ruby strings behave like files

This is handy for testing, when you need to simulate an open file or open URI. Why, and the Pickaxe book, have better examples

ruby

1 609 posted 16 years ago by cczona

Ruby Execute arbitrary code with different level of error messaging

You can turn off warnings for a section of your code by setting $VERBOSE to nil. Even better is to codify this in a method. Since this method takes a block as its parameter, you can now pass it arbitrary chunks of code to execute without warnings.

ruby

1 593 posted 16 years ago by cczona

Ruby 'uninitialized constant Gem::GemRunner'

ruby

1 478 posted 16 years ago by cczona

Ruby CGI library gotcha

Beware of requiring 'CGI'. There's trouble in them thar hills/

ruby

1 336 posted 16 years ago by cczona

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