So what this is really all about is this- do you mentally step through your code... | Hacker News

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		waterlesscloud on April 19, 2010 \| parent \| context \| favorite \| on: Are you one of the 10% of programmers who can writ... So what this is really all about is this- do you mentally step through your code and consider what could go wrong at each step?

barrkel on April 19, 2010 [–]

I would rather think in invariants - knowing what must be true at particular points in the code, at the start of loop bodies, etc. Essentially, doing a proof in one's head.

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