How to find not used libraries in C++ [closed] - c++

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What is your WoW (Way of Working) when you are trying to reduce the use of libraries in C++ that are not needed or not even used anymore in your projects?
For now what I am doing is trying to comment out libraries in the Android.bp file (bp - blue print) and then build.
If it builds successful, I remove the library entry in the Android.bp file (if not I active the library again) and go to the next library and so on. This way seems a bit odd and I wonder how you would address this task?

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Can I call a C++ function from python and python function from C++ without library file like .so ...? [closed]

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I search the Python/C api and I write the my code. But this code shouldn't have .so like library files. İs it possible? If possible please show me to way.
I use CFFI,cython,pybind11 this is have the same way.

Drawing graphics without any library in C/C++ [closed]

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Basically is there any way to render a pixel using C/C++ without using any external library. All mingw or gcc headers may be used.
You cannot render images to the screen without external libraries, unless you do hardcore system programming (see for instance this answer fore more information). But you can easily render images that you can save as PNG/JPEG/TIF files, which is what I believe this library is doing.

Nemiver doesn't find file /build/glibc-LK5gWL/glibc-2.23/stdlib/random.c [closed]

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When debugging code, when it comes to the rand () function, it asks where the file is. This file is not in libraries at all. What to do?
Your debugger is looking for source code to make itself more useful. In the case of compiled files that are part of glibc, that's not on your system. The path shown is just the path in the original build environment; that's irrelevant. It can use random.c if found elsewhere, but you need to tell it where to look.
The good news is that you can probably install a package to make this work. Which one depends on your operating system; you did not tell us what that is.
However I'd just hit "cancel". You don't need to debug the internals of glibc, unless you're actually trying to find bugs in glibc.

OpenCV (or similar library) in Go [closed]

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I intend to use OpenCV for a project in which I've already built the server in Go. However, OpenCV doesn't have a Go API, so what's the best solution? Call a c++ program with .exec, use swig, find another library to do computer vision?
Thanks.
Edit: I want to maximize performance, and I'm ok with C++.
SWIG is certainly a viable option.
You can also search for a Go binding to OpenCV. For example: https://github.com/lazywei/go-opencv

Hide resource files in game making [closed]

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I notice that in many game folders, I cannot find the resource files (sounds, game scripts, textures...). Is that because I don't see it or the programmers have hidden them somewhere?
I'm learning to make my first game in SDL2.
They will often be compressed into .cab or other kinds of archival formats to decrease required space and provide tamper protection.