Top network posts

• 97 Is declaration of variables expensive?
• 82 Why do some websites have ?utf8=✓ in their title?
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• 39 Tags that only exist on locked questions, should we treat these the same as tags that don't exist at all?
• 38 Would replacing ' :: ' with ' . ' create ambiguities in C++?
• 36 Add format for logs/warnings/error messages which allows word-wrapping and preserves newlines
• 33 Seed std::mt19937 from std::random_device
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