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Write code that is easy to delete, not easy to extend (2016)
“Every line of code is written without reason, maintained out of weakness, and deleted by chance” Jean-Paul Sartre’s Programming in ANSI C. Every line of code written comes at a price: maintenance. To...
Managing how the code fits together, or which parts depend on others, is a significant problem in large scale systems, and it gets harder as your project grows older. This isn’t as uncommon as you might think: One of the most popular and beloved python http clients, requests, is a successful example of providing a simpler interface, powered by a more verbose-to-use library urllib3 underneath. For example, Twitter’s Finagle uses a common API for services, and this allows generic timeout handling, retry mechanisms, and authentication checks to be added effortlessly to client and server code.
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