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rss Eli Bendersky's website / eli.thegreenplace.net

watgo - a WebAssembly Toolkit for Go

I'm happy to announce the general availability of watgo - the W eb A ssembly T oolkit for G o. This project is similar to wabt (C++) or wasm-tools (Rust), but in pure, zero-dependency Go. watgo comes with a CLI and a Go API to parse WAT (WebAssembly Text), validate it …

rss Eli Bendersky's website / eli.thegreenplace.net

Summary of reading: January - March 2026

"Intellectuals and Society" by Thomas Sowell - a collection of essays in which Sowell criticizes "intellectuals", by which he mostly means left-leaning thinkers and opinions. Interesting, though certainly very biased. This book is from 2009 and focuses most...

rss Eli Bendersky's website / eli.thegreenplace.net

Notes on Lagrange Interpolating Polynomials

Polynomial interpolation is a method of finding a polynomial function that fits a given set of data perfectly. More concretely, suppose we have a set of n+1 distinct points [1] : \[(x_0,y_0), (x_1, y_1), (x_2, y_2)\cdots(x_n, y_n)\] And we want to find the polynomial coefficie...

rss Eli Bendersky's website / eli.thegreenplace.net

Notes on Linear Algebra for Polynomials

We’ll be working with the set P_n(\mathbb{R}) , real polynomials of degree \leq n . Such polynomials can be expressed using n+1 scalar coefficients a_i as follows: \[p(x)=a_0+a_1 x + a_2 x^2 + \cdots + a_n x^n\] Vector space The set P_n(\mathbb{R}) , along with …

rss Eli Bendersky's website / eli.thegreenplace.net

Rewriting pycparser with the help of an LLM

pycparser is my most widely used open source project (with ~20M daily downloads from PyPI [1] ). It's a pure-Python parser for the C programming language, producing ASTs inspired by Python's own . Until very recently, it's been using PLY: Python Lex-Yacc for the core parsing....