by shigemk2

当面は技術的なことしか書かない

2013-06-03から1日間の記事一覧

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四則演算 - 数値 - Python入門 17 / 5 # 3 -17 / 5 # -4 17 // 5 # 3 17.0 // 5 # 3.0

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97 Things Every Programmer Should Know 86 Two Wrongs Can Make a Right (and Are Difficulut to Fix)

CODE NEVER LIES, BUT IT CAN CONTRADICT ITSELF. Consider a function that returns a completion status. Imagine that it returns false when it should return true. Now imagine that the calling function neglects to check the return value. Everyt…