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Giovanni Dicanio's Blog. Giovanni Dicanio's Programming Corner on the Internet.
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What C++ Version Should You Target?
This is an interesting question, with not an easy answer. I would say that the correct answer is: "It depends." Modern C++ started with C++11. I think C++11 is the most impactful version of C++ to date, as it introduced very important and convenient featu
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Why We Should Double-Check the AI Output: Claude Lies (AKA AI Hallucinations)
I was "discussing" with Claude about using #define guards vs. #pragma once for C++ header files. At some point, Claude wrote that: If your library is only ever going to target modern mainstream compilers (which, realistically, is true for almost everyone
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LLVM Coding Standards - LLVM
In general, I would say that these days targeting C++17 is fine, and if your toolset supports C++20, and if it doesnt break any existing library or legacy component you depend on (and you dont want toare unable to fix), then C++20 can be a good choice, to
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Why We Should Double-Check the AI Output: A Bug Which Wasn't
Recently I asked Claude to review the code of my WinReg C++ library (which is a C++ high-level wrapper around the low-level C-interface Windows Registry API). As a result of its analysis, Claude reported that there were zero-length bugs in my code, in par
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How to Declare a C++ Function that Takes a Blob of Memory?
An interesting question you may ask in C++ is: "How would you declare a function that takes a blob of memory as input?" For example, think of a function that hashes some input data (using SHA-256, or whatever hash algorithm), or a function that takes some
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