n",null,{"children":"•"}],["$","span",null,{"children":"3mo ago"}]]}],null,false]}]]}] 16:T669,Hey HN,

Indian Highschooler here, currently prepping for JEE, thought itd be nice to share here.

three years ago in 9th/10th grade I got a knack for coding, So I taught myself made a custom compiler with LLVM to try and learn C++. so I spent a lot of time learning LLVM from the docs and also C++ so its not some marvelous piece of engineering,

It has: - Basic types like bool, int, double, float, char etc. with type casting - Variables, Arrays, Assign operators & Shorthands - Conditionals (if/else-if/else), Operators (and/or, arithmetics paranthesis etc) - Arrays and indexing stuff - C style Loops (for/while) and break/continue - Structs and dot accessing - extern C interop with the "extern" keyword

Some challenges I faced: - Emscripten and WASM, as I also had to make it run on my demo website - Learning typescript and all for the website (lol) - Custom parser with basic error reporting and Semantic analysis was a PITA for my undeveloped brain - Learning LLVM from the docs

Important Learnings: - Testing is a very important aspect of making software, I skipped it - big regret - Learning how computers interpret text - Programming in general was a new tour for me - I appreciate unique_ptrs and ownership

Its on my github and there's a link to my web demo (https://vire-lang.web.app/), it might take some time to load the binary from firebase. Very monolithic, ~7500 lines of code, I’d really appreciate any feedback, criticism, or pointers on how I could’ve done this better.17:T4d6,I wanted to see if "super-steel" marketing actually matched reality, so I scraped ~500 threads from r/chefknives and ran sentiment analysis on the specific steels mentioned.

The results:

MagnaCut: 28:1 positive ratio. The hype is real.

Ginsan: The sleeper favorite. High satisfacti

Investigating the accuracy of Apple Watch VO2 max measurements