P45 Imminent

P45 Imminent has asked 59 questions and find answers to 3 problems.

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

P45 Imminent questions

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?
Is a static char[] buffer initialised
Construct std::vector<double> from a double* array of known size

P45 Imminent answers

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?