12 Coding Habits That Reduce Code Readability and Increase Maintenance Difficulty
The article outlines twelve harmful coding habits—such as excessive microservice splitting, incomplete refactoring, overly long methods, deep nesting, random variable names, inaccurate or outdated comments, duplicated code, ignoring specifications, missing logging, over‑engineered frameworks, and reinventing wheels—that degrade readability, complicate maintenance, increase bugs, and hurt team productivity.
This article discusses 12 coding habits that can significantly reduce code readability and increase maintenance difficulty, using a fictional programmer named "ErGou" as an example. These habits include excessive microservice splitting, incomplete refactoring, overly long methods, deep nesting, random variable naming, incorrect comments, outdated comments, code duplication, ignoring technical specifications, lack of logging, over-engineering with frameworks, and unnecessary wheel reinvention. The article highlights how these practices can lead to increased development time, difficulty in understanding code, and potential bugs, ultimately affecting team productivity and code quality.
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