R Sahu

Albuquerque, NM

I am a software designer and developer. I have been developing in mostly C++ since 1995. I am very comfortable in Scheme. I can find my way around in Python if I need to.

My domain expertise is in CAD/CAE.

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Why would the behavior of std::memcpy be undefined for objects that are not TriviallyCopyable?

c++ c++11 language-lawyer memcpy object-lifetime asked Apr 21, 2015 at 16:03

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38 votes

Why is operator<< function between std::ostream and char a non-member function?

c++ c++11 ostream asked Jul 7, 2015 at 16:54

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35 votes

Why use std::less as the default functor to compare keys in std::map and std::set?

c++ stdmap stdset asked Mar 10, 2014 at 18:33

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28 votes

Are there language constructs that are valid for type-name but not for fundamental types?

c++ asked Nov 28, 2015 at 1:43

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24 votes

Why does pointer to int convert to void* but pointer to function convert to bool?

c++ pointers c++11 asked Aug 28, 2014 at 15:40

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23 votes

Calling delete on NULL pointers - C++03 vs C++11

c++ c++11 language-lawyer c++03 delete-operator asked Aug 15, 2014 at 15:44

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16 votes

Buggy code in "A Tour of C++" or non-compliant compiler?

c++ c++11 g++ asked Mar 6, 2014 at 22:23

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15 votes

Extending the life of a temporary object by getting a reference to a subobject

c++ c++11 language-lawyer temporary-objects asked May 26, 2017 at 19:46

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13 votes

Why datetime.now() and datetime.today() show time in UTC and not local time on my PC?

python python-3.x datetime asked Nov 29, 2017 at 22:44

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13 votes

A class name introduced inside a class is not treated as a nested class name

c++ c++11 g++ asked Jun 26, 2014 at 6:08

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Top Answers

125

What does : mean?

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C++ "virtual" keyword for functions in derived classes. Is it necessary?

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C++ std::unique_ptr return from function and test for null

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Resetting pointer to the start of file

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Where is a std::string allocated in memory?

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What are the basic rules and idioms for operator overloading?

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How many constructors does the class have?

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What exactly is the purpose of the (asterisk) in pointers?

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When the dereference operator (*) is overloaded, is the usage of *this affected?

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C: Cannot initialize variable with an rvalue of type void*

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Visual Studio 2015 “non-standard syntax; use '&' to create a pointer to member”

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Python-like C++ decorators

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lvalue required as left operand of assignment error when using C++

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Is GCC or Clang correct about the name of a function parameter being in scope in its own default argument?

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C++ overloading array operator

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Casting a pointer - What is the difference at runtime?

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Confusion about auto keyword in C++

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how can we initialize a vector with all values 0 in C++

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Is it possible to use anonymous classes in C++?

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How to deal with static storage duration warnings?

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My singleton can be called multiple times

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A confusing typedef involves class scope

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c++ : unsequenced modification and access to "i"

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What happened to std::assert

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What's the point of evaluating left operand of assignment operator in C?

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Why is `const int& k = i; ++i; ` possible?

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Why is const required for 'operator>' but not for 'operator<'?

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Struct vs. Function Definitions in Scope

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scanf() variable length specifier

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Can I override a virtual function with a pure virtual one?

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