OpenRuby.com

06 Nov '12, 5pm

Ajudando muita gente #php #ruby #rails By @digolsouza

# ruby # interpolate variables text = "ruby" puts "i love #{text}"; puts "i love %s" % text; printf("i love %s\n", text); # basic functions text = 'i love ruby'; puts 'I LOVE RUBY'.downcase # lowercase text puts text.upcase # uppercase text puts text.capitalize # capitalize text puts text.size # string size puts text.reverse # reversing text puts "ruby " * 3 # repeat text puts "a"[0] # get ASCII value puts 97.chr # get char from ASCII value # remove spaces text = ' i love ruby '; puts text.strip # both sides puts text.lstrip # just left side puts text.rstrip # just right side # remove characters # ruby has no easy way of doing that besides regular expressions # so we're gonna extend String class # check this link out: http://simplesideias.com.br/ text = '||__i love ruby__||' puts text.trim('_|') # both sides puts text.ltrim('_|') # just left side puts text.rtrim('_|') # ju...

Full article: http://simplesideias.com.br/ruby-para-programadores-php

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