Zen and the Art of Merging Code
A developer added a comment: // TODO: fix this later. Five years later, the comment was still there. The developer had left the company. The code worked. The senior developer asked the team, “Whose TODO is this now?” No one answered. The senior added, “And what does it mean to fix something that does not […]
A team declared the old system unmaintainable and began a complete rewrite. Two years later, they shipped. Within months, developers were calling the new system unmaintainable. The senior developer mused, “If the disease followed us, perhaps we did not leave it behind.” Then: “What did we rewrite, the code or ourselves?” The Teaching Unfolds There […]
The product owner asked, “How long will this take?” The developer answered, “Three days.” It took three weeks. The senior developer asked, “Was your estimate wrong?” “Yes.” “Was the work wrong?” “No.” “Then what was being measured?” Sitting with the Koan Every developer has lived this koan. The estimate was wrong. The work was not. […]
A junior developer ran the program, and a stack trace fifty lines deep appeared. The junior cried, “There are so many places where this went wrong!” The senior developer asked, “Did the error happen in fifty places, or in one?” The junior pointed to the topmost line. The senior smiled. “And from where did that […]
