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fobiasmog / ruby_performance.md
Last active September 19, 2024 10:38

Useles to_s call

If you're converting some symbol with a method that assumes the string, than you have additional to_s -> method -> to_sym convertation

time ruby -e '100_000_000.times { "A".downcase }' # 6.70s user 0.06s system 93% cpu 7.254 total
time ruby -e '100_000_000.times { :A.downcase }'  # 8.39s user 0.04s system 99% cpu 8.497 total

Redundant attr_reader calls




  


  




    


          
    

      

        
        

          

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                fobiasmog
                / UbuntuSwapCtrlCmdKeys.md
            
            

              Last active
              January 29, 2025 11:46
                — forked from kurozael/UbuntuSwapCtrlCmdKeys.md
            

              
                How to swap the Ctrl and Cmd keys when using Ubuntu.