Code Reviews 


ANOTHER PERSON 

LOOKS  AT  THE  CODE 

YOU WROTE 



TO FIND MISTAKES 

YOU'VE MADE




SURE THING! 

BUT FAILING IS GOOD!



EXAMPLE?



 1.26 BILLION 

TRANSACTION VOLUME 



 2400 EMPLOYEES 



 

HE FAILED 

 5.126 TIMES 

 ON CREATING 

 THE CYCLONE 

 VACCUM CLEANER

 THAT FINALLY MADE HIM

 $$ RICH $$ 



 



TO FAIL MEANS 

TO SUCCEED AT THE END...




... BUT ONLY 

IF FAILURES 

ARE BROUGHT 

TO LIGHT



YOU 

NEED 

CODE 

REVIEW





CODE REVIEWS 

LEAD TO

20 - 75 % 

REDUCTION 

OF FAILURES 






ALLOW 

FOR HUGE 

LEARNINGS 



RESULT IN

BETTER CODE 

THUS MAKING

IT MORE FUN 

TO DEVELOP




TYPICAL 

WEAKNESSES 

THAT CAN BE 

DETECTED 

BY A REVIEWER





 VIOLATION OF 

 CODE CONVENTIONS 





 BAD 

 MAINTAINABILITY 





 UNFAVORABLE 

 DESIGN 





 MISSING 

 TESTS 





 INEXPRESSIVE 

 CODE 





 SECURITY 

 CONCERNS 





THE REVIEWER 

SHOULD...






ASK 

COMPREHENSION 

QUESTIONS




MAKE 

SUGGESTIONS 

FOR 

IMPROVEMENTS





POINT TO 

A FAILURE





IF YOU REVIEW


PLEASE PREVENT THE 

#1 FAILURE





 AND DON'T 

BE OFFENDING 


 AS WE ALL DO 

 OUR BEST 





NEXT UP...






KTHXBYE


 
  1. go to  bit.ly/T0Qopl 
  2. click 

  3. click 

  4. click and select the # from your note  
  5. Insert the name of the person to your left into the Reviewers box 
  6. click 

 
  1. open your mails

  2. click (at the bottom)
     
  3. review (add comments)

  4. ...


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