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- 0 votes1 answers9 views
Which books are good for self education in C++?
Which books are good for self education in C++?
- 1 votes0 answers18 views
- 0 votes1 answers33 views
C++ Static Variable
Can I declare static variable inside function or only within in class?
- 0 votes1 answers17 views
How to Pass vector as a function parameter in C++
How to Pass vector as a function parameter in C++
- 1 votes0 answers11 views
Processing a sorted array faster than processing an unsorted array. WHY??
Here is a piece of C++ code that shows some very peculiar behavior. For some strange reason, sorting the data miraculously makes the code almost six times faste...
- 2 votes1 answers51 views
Why sizeof(str) = 24? char *str[] = {"a", "ab", "cd"};
Thought it would be 3, the size of the array, but the answer is 24, size of 3 pointers.
- 1 votes2 answers73 views
What is std::move()
What is std::move()? When should it be used? What object is considered movable?
- 5 votes1 answers20 views
Difference between static and shared libraries
What are the differences between static and shared libraries? I prefer the answer to contain differences in terms of compilation/linage time, runtime, memory management/usage.
- 2 votes0 answers15 views
Google C++ style says "No exceptions"
Look at Google's C++ guide. It says, "We do not use C++ exceptions." Ok, they don't write code with exceptions, but what baffles me is that what about STL, don't ...
- 0 votes0 answers23 views
C++11 with difference G++. Error on namespace std::chrono_literals
I'm running the example from cppreference.com, and it fails with my GCC 5.4. The error message is error: 'chrono_literals' is not a namespace-name ->g++ --version g++ ...
- 1 votes0 answers10 views
C/C++: directory from where a program is running
How do I get the directory a program is running from? Don't be confused with the current working directory ($PWD). Please give a platform-agnostic and filesystem-agnostic ...
- 1 votes1 answers4 views
C/C++: how to return an array from function
How do I return an array from function? int f(int arr[]) { /// do something with arr return arr; } `
- 0 votes0 answers2 views
Unified and sorted vector in C++
How can I unify and sort a vector, so there are no duplicates and it is sorted? I wrote this code, and it does not work: vec.erase( std::unique(vec.begin(), ...
- 0 votes0 answers6 views
Free C++ profiler on Windows
At my last office, I have worked with Intel VTune. Now I am looking for a free profiler on Windows. Which one can you suggest?
- 0 votes0 answers1 views
What is the benefit of this idiom
I know that PIMPL idiom is about hiding implementation so that the data that should not be seen outside is wrapped in another class, usually nested class. This hides ...
- 0 votes0 answers3 views
C++: class member initialize list vs constructor initialization
What is the difference between the initialize list and initialization of members in the constructor body? MyClass::MyClass(): _data(NULL) {} MyClass::MyClass() { ...
- 0 votes0 answers0 views
What is a copy elision?
How exactly does copy elision work? Please give some examples.
- 1 votes1 answers12 views
Unresolved external symbol on class static members
I have a class that contains two static integers. When I try to modify them in the constructor, I receive linkage error "unresolved external symbol". class MyClass { public: ...
- 0 votes0 answers4 views
C++: How to initialize std::vector with hardcoded values
How can I initialize std::vector like C-style arrays? int a[] = {10, 20, 30}; I want to write: std::vector v {10, 20, 30}; I can store values in C-style arrays ...
- 0 votes0 answers4 views
C++: How to read password from std::cin ?
How can I manage password typing on the keyboard so that typed charactered are not shown? How to disable echo from std::cin?
