Articles from the blog (Page 3 of 8)
Rust shenanigans: return type polymorphism
This article explores return type polymorphism in Rust through examples like Default::default() and a custom dice rolling library. The technique allows writing generic functions that can return different types based on usage. Useful for extensible APIs.
Where to go to learn Rust in 2021
This article provides a list of free and paid resources to learn Rust in 2021 including books, blogs, videos, newsletters, podcasts, communities, exercises, workshops, and open source projects.
2020 - A year in review
Luciano Mammino reflects on his 2020, including publishing Node.js Design Patterns Third Edition book, giving 13 conference talks, joining Fabfitfun as Principal Engineer, releasing Middy 1.0, launching Linkerflix MVP, and setting goals for improving as a software engineer, cloud architect, and indie maker in 2021.
Learning Rust through open source and live code reviews
This article summarizes the experience of two developers learning Rust by building an open source project and having it reviewed live by a Rust expert. It covers the improvements suggested during the review, including simplifying project structure, adding documentation, handling strings, removing code duplication, improving input validation and testing.
What's in a JWT (Json Web Token)?
This article explains what JWTs (JSON Web Tokens) are, looking at their internal structure with header, body, and signature. It illustrates how they enable stateless authentication and authorization in distributed systems.
Middy 1.0.0 is here
The middleware framework Middy reached version 1.0, bringing middleware capabilities to AWS Lambda. This allows cleaner handler code by extracting cross-cutting concerns into reusable middleware.
2019 - A year in review
Luciano Mammino reflects on his 2019 tech career achievements including conference talks, career moves, open source contributions, and blog posts. He also sets realistic goals for 2020 like finding a new job, releasing Middy 1.0, and getting an advanced AWS certification.
Lean NPM packages
Learn how to configure NPM packages to publish only the files needed by users, avoiding bloating node_modules folders.
Fastify and Preact for quick web app prototyping
This article shows how to quickly build web app prototypes using Fastify for the backend API and Preact for the frontend UI. It also covers how to dockerize the app for easy sharing. Key points are the plugin architecture of Fastify, the lightweight nature of Preact, and the use of htm for defining UI without transpilation.
JavaScript iterator patterns
This article explores different ways to create iterators and iterable values in Javascript for dynamic sequence generation, specifically using functions, iterators, iterables and generators. It provides code examples for implementing the Fibonacci sequence with each approach.