The traditional #ifndef / #define / #endif include guard pattern is basically the Roman testudo formation of C/C++ programming—a bunch of verbose lines working together to protect your header file from being included multiple times. It gets the job done, but requires three whole lines of boilerplate and a carefully crafted unique macro name that you hope nobody else in your codebase accidentally reused. Then comes #pragma once —the modern military tank that just rolls in and does the exact same thing with literally two words. No macro naming conventions to memorize, no closing #endif to forget, no risk of copy-pasting the wrong guard name. Just pure, elegant simplicity. The only reason people still use the traditional guards is for that sweet, sweet portability to compilers from 1987 that nobody actually uses anymore. Meanwhile, #pragma once has been supported by every major compiler for decades and is sitting there like "I could do this all day."

When your IDE is desperately trying to tell you that size_t is RIGHT THERE, literally hovering over it with all the documentation you could ever need, showing you it's an 8-byte unsigned long long... and then you scroll down two lines and STILL manage to write untawsize_t like you're having a stroke on the keyboard. 💀 The compiler error is just sitting there like "identifier 'untawsize_t' is undefined" and you KNOW the IDE literally just showed you the correct spelling. It's like looking up a word in the dictionary and then immediately misspelling it in your essay. The sheer audacity of confidently typing out that abomination while the correct answer is floating RIGHT ABOVE YOUR CODE is chef's kiss levels of developer brain fog. This is what happens when you're coding at 3 AM fueled by nothing but caffeine and pure delusion.