"Why does this code look like this?" Nobody knows. That's…
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"Why does this code look like this?" Nobody knows. That's the problem.
Most codebases document what the code does. Almost none of them document why a decision was made, what alternatives were rejected, or what constraints existed at the time. That context quietly disappears as people leave, and future maintainers either reverse decisions that existed for good reason or spend weeks rediscovering something someone already figured out.
Russ Olsen (author of *Eloquent Ruby*) covers this and a few other uncomfortable truths about legacy systems in a recent Maintainable episode, including why teams develop a kind of learned helplessness about their own codebases and stop questioning assumptions that may never have been correct.
#programming #dev #technology
Most codebases document what the code does. Almost none of them document why a decision was made, what alternatives were rejected, or what constraints existed at the time. That context quietly disappears as people leave, and future maintainers either reverse decisions that existed for good reason or spend weeks rediscovering something someone already figured out.
Russ Olsen (author of *Eloquent Ruby*) covers this and a few other uncomfortable truths about legacy systems in a recent Maintainable episode, including why teams develop a kind of learned helplessness about their own codebases and stop questioning assumptions that may never have been correct.
#programming #dev #technology
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