P45 Imminent

P45 Imminent has asked 61 questions and find answers to 4 problems.

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I work for an asset management firm in Mayfair, London.

P45 Imminent questions

Why can an anonymous temporary exception be bound to a reference at a catch site? [duplicate]
Avoid taking a value copy when creating a map element
Does resize on a std::vector<int> set the new elements to zero?
Does introducing a new variable defeat return value optimisation?
How to use std::copy if an explicit type conversion is necessary between source and destination type
Large bitwise left shift on unsigned type
Using move semantics to push a base class instance into a child class instance
std::unique_ptr structure member to the structure type
Calling a Windows batch file from a GNUMakeFile
Using JNIEnv::FindClass: do I need to free the returned jclass reference?

P45 Imminent answers

What is the difference between ~~x and !!x in C?
bit shifting with unsigned long type produces wrong results
Why is .sum() faster than .any() or .max()?
Why is the sum of an int and a float an int?