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Comment by HolyBlackCat on Tried running a command "sudo apt update" in Ubuntu
Post on askubuntu.com or unix.stackexchange.com.
View ArticleComment by HolyBlackCat on weird behaviour of C++ programs built in MSYS2 -...
A DLL issue, see the link. If that doesn't help, please tell.
View ArticleComment by HolyBlackCat on SDL2 Window won't show
How did you download SDL2? Using your package manager, or you built it from source? Also you could try doing it without WSL (since apps compiled in WSL can't be reasonably shared with other Windows...
View ArticleComment by HolyBlackCat on Generic Perfect Forwarding of Function’s Result
Does the stuff you want to do depend on the return value? If not, perhaps do it in a scope guard?
View ArticleComment by HolyBlackCat on invalid initialization of reference pair
When I started learning C/C++ 10+ years ago, I had this exact compiler verison. D:
View ArticleComment by HolyBlackCat on Overloading Functions with Dummy Structs vs...
Yes, this looks like a good idea. baz should use a switch without a default: branch to make your compiler warn if you forget a enum (GCC and Clang warn, unsure about MSVC). You could even make baz...
View ArticleComment by HolyBlackCat on set python path in MSYS2
Having to modify MSYS2 PATH is a bad sign, it usually means you're mixing different environments. Read this: What are MSYS2 environments? How do I pick one?
View ArticleComment by HolyBlackCat on How to install a newer gcc compiler?
You're not using the compiler you have installed in MSYS2, but some other compiler you installed before. Add more information, how you're running it, how do you know its version, etc. Also please...
View ArticleComment by HolyBlackCat on std::optional is not available though I'm using G++9
Do you literally have # in # set(CMAKE_CXX_STANDARD 17)? # makes it a comment. Also GCC 9 is quite old, even if it supports <optional> updating is a good idea.
View ArticleComment by HolyBlackCat on Unable to properly use Visual Studio Code for C++...
undefined reference to WinMain means you don't have a main() function. You probably forgot to save the file, and are compiling an empty file.
View ArticleComment by HolyBlackCat on fatal error: features.h: No such file or directory...
Every library you use, you must recompile with MinGW. E.g. you can't use GTK you installed through apt (which is compiled for Linux) for MinGW apps. As always, I recommend installing libs for MinGW...
View ArticleComment by HolyBlackCat on Clarification about pointer to constant Foo where...
Yes, your reasoning is correct.
View ArticleComment by HolyBlackCat on OpenGL texture not showing
We generally don't want to debug code that doesn't fit into the question. renderdoc.org might help.
View ArticleComment by HolyBlackCat on Setting values inside a tuple of vectors in a...
Is this your actual code? It works for me after I fix the typos (SingletoneTuple vs SingletonTuple, passing Singleton::Instance().singletonTuple instead of singleton to get(), etc), and I'm unsure...
View ArticleAnswer by HolyBlackCat for Why there is a need to not add a space in the name...
It's not a VSC problem, you're using a poorly written extension ("Code Runner") to run your code.When compiling a file with spaces in the name, the filename must be quoted (as shown in the other...
View ArticleComment by HolyBlackCat on Why is the arrow operator not generated?
The answer is always the same: it wasn't proposed yet, or the proposal wasn't accepted. != being generated automatically is a new feature, it's not surprising they didn't try to add other operators all...
View ArticleComment by HolyBlackCat on #include errors detected based on information...
How your c_cpp_properties.json looks like? What compiler you have installed?
View ArticleComment by HolyBlackCat on Float assignment gives random nan or -nan value
This is your exact code, right? The output is from running the executable several times?
View ArticleComment by HolyBlackCat on why strlen has value 5, but when i use it in for...
Please always attach code as text, not pictures. I can't paste and run code from a picture. Why should I not upload images of code/data/errors?
View ArticleComment by HolyBlackCat on how can I compile my user defined library in c++?...
Your files are not in the current directory, they are in C++ Proj subdirectory. Either cd to it or do gcc "C++ Proj/main.cpp" .... (or rather with g++ instead of gcc, the latter is a C compiler).
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