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Recent questions tagged C++
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c++ - Comparison of arrays in google test?
I am looking to compare two arrays in google test. In UnitTest++ this is done through CHECK_ARRAY_EQUAL. How do you do it in google test? See Question&Answers more detail:os...
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c++ - Add custom messages in assert?
Is there a way to add or edit the message thrown by assert? I'd like to use something like assert(a == b, "A ... and so on... Is it possible? See Question&Answers more detail:os...
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c++ - __cdecl or __stdcall on Windows?
I'm currently developing a C++ library for Windows which will be distributed as a DLL. My goal is to maximize binary ... e.g. here and there). See Question&Answers more detail:os...
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c++ - Avoiding if statement inside a for loop?
I have a class called Writer that has a function writeVector like so: void Drawer::writeVector(vector<T> vec, ... of problem should be solved. See Question&Answers more detail:os...
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c++ - Why using the const keyword before and after method or function name?
I have the following code in my application. Why do we use the const keyword with the return type and after the ... () const { return data_; } See Question&Answers more detail:os...
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c++ - How to compile Clang on Windows
I have been trying to find a way to get Clang working on Windows but am having trouble. I get Clang to ... I get clang working on Windows? See Question&Answers more detail:os...
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c++ - g++ linker: force static linking if static library exists?
I've a program which links to many libraries. g++, by default, prefers to link to shared libraries, even if the ... which is not what I want. See Question&Answers more detail:os...
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c++ - Using pre-compiled headers with CMake
I have seen a few (old) posts on the 'net about hacking together some support for pre-compiled headers in ... best way of doing it currently? See Question&Answers more detail:os...
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c++ - namespaces for enum types - best practices
Often, one needs several enumerated types together. Sometimes, one has a name clash. Two solutions to this come to mind: use ... /... //... } } See Question&Answers more detail:os...
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c++ - What does static_assert do, and what would you use it for?
Could you give an example where static_assert(...) ('C++11') would solve the problem in hand elegantly? I am ... the same as static_assert(...)? See Question&Answers more detail:os...
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c++ - How to use bitmask?
How do i use it in C++ ? when is it useful to use ? Please give me an example of a problem where bitmask ... , how it actually works . Thanks! See Question&Answers more detail:os...
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c++ - How do stackless coroutines differ from stackful coroutines?
Background: I'm asking this because I currently have an application with many (hundreds to thousands) of threads. ... the coroutine is running? See Question&Answers more detail:os...
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c++ - Understanding std::atomic::compare_exchange_weak() in C++11
bool compare_exchange_weak (T& expected, T val, ..); compare_exchange_weak() is one of compare-exchange primitives ... the thing I miss? See Question&Answers more detail:os...
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c++ - Classification of detectors, extractors and matchers
I am new to opencv and trying to implement image matching between two images. For this purpose, I'm trying to ... be highly grateful. Thank you. See Question&Answers more detail:os...
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c++ - What is the purpose of std::make_pair vs the constructor of std::pair?
What is the purpose of std::make_pair? Why not just do std::pair<int, char>(0, 'a')? Is there any difference between the two methods? See Question&Answers more detail:os...
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c++ - Why use #define instead of a variable
What is the point of #define in C++? I've only seen examples where it's used in place of a "magic ... giving that value to a variable instead. See Question&Answers more detail:os...
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c++ - How are GCC and g++ bootstrapped?
This has been bugging me for a while. How do GCC and g++ compile themselves? I'm guessing that every ... GCC versions were written in assembly? See Question&Answers more detail:os...
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c++ - How and when to align to cache line size?
In Dmitry Vyukov's excellent bounded mpmc queue written in C++ See: http://www.1024cores.net/home/lock-free- ... work under gcc for c code? See Question&Answers more detail:os...
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c++ - Is it a good practice to always use smart pointers?
I find smart pointers to be a lot more comfortable than raw pointers. So is it a good idea to always use smart ... in place of raw pointers??? See Question&Answers more detail:os...
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c++ - CMake with include and source paths - basic setup
I'm trying to set up a test project looking like my own project just to get things working first and it looks ... in the inc and src folders? See Question&Answers more detail:os...
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Oct 17, 2021
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c++ - Getting GDB to save a list of breakpoints
OK, info break lists the breakpoints, but not in a format that would work well with reusing them using the --command ... <foo::bar(void)+7> See Question&Answers more detail:os...
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c++ - What is inside .lib file of Static library, Statically linked dynamic library and dynamically linked dynamic library?
What is inside of a .lib file of Static library, Statically linked dynamic library and dynamically linked dynamic ... methods. Is that correct? See Question&Answers more detail:os...
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159
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c++ - How can I create Min stl priority_queue?
The default stl priority queue is a Max one (Top function returns the largest element). Say, for simplicity, ... priority queue of int values. See Question&Answers more detail:os...
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249
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c++ - How exactly is std::string_view faster than const std::string&?
std::string_view has made it to C++17 and it is widely recommended to use it instead of const std::string&. ... copies in the callee are made) See Question&Answers more detail:os...
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c++ - Throwing the fattest people off of an overloaded airplane.
Let's say you've got an airplane, and it is low on fuel. Unless the plane drops 3000 pounds of passenger ... to do this using standard STL. See Question&Answers more detail:os...
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c++ - TensorFlow, why was python the chosen language?
I recently started studying deep learning and other ML techniques, and I started searching for frameworks that ... + for machine learning? See Question&Answers more detail:os...
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c++ - What is an SDL renderer?
I'm starting with SDL2 and having some trouble trying to understand what an SDL_Renderer is. What is it? What ... that I know these definitions. See Question&Answers more detail:os...
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c++ - #define SQR(x) x*x. Unexpected Answer
Why this macro gives output 144, instead of 121? #include<iostream> #define SQR(x) x*x int main() { int p=10; std::cout<<SQR(++p); } See Question&Answers more detail:os...
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