Top Answers

1. If Python strings are immutable, why does it keep the same id if I use += to append to it?
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2. What's the purpose of this [1] at the end of struct declaration?
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3. What causes [*a] to overallocate?
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4. How to round numbers to the nearest 1000?
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5. What is the difference between NULL and __null in C++?
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