James Martelletti jmartelletti
jmartelletti
/ gist:93795edac1d7e4c8f764
Created
September 17, 2014 09:46
Ruby silently evaluating to the wrong value?
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| ERROR = "error" | |
| STOPPED = "stopped" | |
| RUNNING = "running" | |
| state = ERROR | |
| desired = STOPPED | |
| ([RUNNING].include? state) || (state == ERROR && desired == STOPPED) | |
| [RUNNING].include?(state) || (state == ERROR && desired == STOPPED) | |
| [RUNNING].include? state || (state == ERROR && desired == STOPPED) |
jmartelletti
/ gist:760048d23cc9547016b0
Created
July 26, 2014 14:42
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| require "binding_of_caller" | |
| calls = [] | |
| stats = {} | |
| trace = TracePoint.new(:call, :class, :return) do |tp| | |
| next if tp.path =~ /\/var\/lib\/gems\/2\.0\.0/ | |
| next if tp.path =~ /\/usr\/lib\/ruby\/2\.0\.0/ | |
| next if tp.path =~ /\(erb\)/ | |
| stats[tp.defined_class] ||= {} |
jmartelletti
/ gist:3109793
Created
July 14, 2012 07:09
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| scans = [ | |
| ['A','B','C','D','A','B','A','A'], | |
| ['C','C','C','C','C','C','C'], | |
| ['A','B','C','D'] | |
| ] | |
| products = [ | |
| { :code => 'A', :volume => 4, :price => 7 }, | |
| { :code => 'A', :volume => 1, :price => 2 }, | |
| { :code => 'B', :volume => 1, :price => 12 }, |