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1.12.1. Lifetime Variance Variance is a concept in Rust’s type system. It describes how generic parameters — especially lifetime parameters — relate t…
1.11.1. Review In the beginner tutorial, we mentioned that every reference in Rust has a lifetime. A lifetime is the scope in which the reference rema…
Originally published on tamiz.pro . The landscape of software development is undergoing a tectonic shift. For decades, memory safety and security have…
LibreFang 2026.7.21 Released 61 PRs from 4 contributors since v2026.7.11. What's New This release brings critical security improvements , multi-user i…
Hello everyone, I am currently building a high-performance API gateway that integrates business logic components—implemented via WASI and running with…
A smart contract can't tell whether a submitted score came from a valid game or was simply made up. Dario Dash handles that by proving the run itself.…
https://github.com/Rullst 🤖 Copilot’s Honest Take: Rullst vs The Rust Ecosystem Here is my opinion — honest, technical, and without fanboyism. Rust ha…
Auditing a Solana program isn't about reading every line top to bottom and hoping something jumps out. It's about knowing the small set of places wher…
A production error is exactly when an AI agent should be least creative. That sentence became the design rule behind Missio, a terminal mission contro…
программирование #rust #системноепрограммирование #безопасность Rust — это современный язык системного программирования, который изначально создавался…
Here is a task that comes up constantly. You are doing inference in Rust — candle, burn, ort — and you want to feed a video to a model. Step one is al…
Lessons from wrapping grok-build — the architecture, the traps, and why we picked Tauri over Electron. TL;DR grok-build is xAI's open-source Rust codi…
Full title: [Advanced Rust] 1.10. References and Interior Mutability (Quick Recap) - References, Interior Mutability, Cell Type, and Related Operation…
My Solana Program Security Checklist This is for anyone shipping an Anchor program to mainnet — especially if you're coming from a web2 background and…
Building Astra: A Modern Shell in Rust I've been working on a personal project called Astra , an interactive shell written in Rust. The goal isn't to …
Your transaction tool reports FAILED_TO_FINALIZE . Your CI marks the job red. Your retry logic fires. But the block explorer says the transaction fina…
When you review a Rust dependency on GitHub, you are reading its source. When cargo build runs, it compiles the .crate artifact downloaded from crates…
I've been building IONA OS — a sovereign operating system written entirely in Rust — for the past 13 years. This month, I decided to run Android on it…
description: A deep dive into HuskHoard's open-source PITR engine — how the catalog tracks version history and byte offsets across physical media, and…
If you've written a trait with an async method, implemented it for a couple of types, and then tried to throw them into a Vec>, you've probably see…
Description: For the past few months, I have been building Reconx, an open-source CLI tool designed for mapping external infrastructure and gathering …
If you work on more than one Java codebase, you've probably lived this: one service targets JDK 17, another needs 21, and there's a legacy app that wi…
1.8.1. Scan the Address Space Through the Operating System (Example) Operating systems provide interfaces that let programs make requests — system cal…
1.6.1. Static Memory Static memory is actually a collective term. It refers to several closely related regions in the compiled program file. When the …
In Part 1 we built the foundation of our operating system using Rust , dove deep into murky low level waters and broke free from the shackles of stdli…
Building an operating system is a project I have had my eyes set on ever since I discovered free will in the realm of programming. Years ago, I did a …
2026-07-23 — Masih Moafi I build Elpis , a terminal coding agent forked from Codex-rs, focused on one thing: keeping your context window empty. Its wh…
About five years ago, I was building a spreadsheet-based web application with SpreadJS. It worked well for most scenarios, but over time I realized th…
A column of payment notes will teach you where Python spends its time. Mine held free text: "charged card 4111 1111 1111 1111", "cliente RUT 12.345.67…