VS Code official C/C++ Extension combined with clangd

settings.json5

// From: https://stackoverflow.com/a/59820115
{
    "C_Cpp.intelliSenseEngine": "Disabled",
    "C_Cpp.autocomplete": "Disabled",  // So you don't get autocomplete from both extensions.
    "C_Cpp.errorSquiggles": "Disabled", // So you don't get error squiggles from both extensions (clangd's seem to be more reliable anyway).
    
    "clangd.path": "/path/to/your/clangd",
    "clangd.arguments": ["-log=verbose", "-pretty", "--background-index", "--compile-commands-dir=/path/to/your/compile_commands_dir/"]
}