Alex Merced — Developer and technical writer sharing in-depth insights on data engineering, Apache Iceberg, data lakehouse architectures, Python tooling, and modern analytics platforms, with a strong focus on practical, hands-on learning.
388 articles from this blog
A tutorial on getting started with the Masonite Python web framework, covering setup, routing, and creating a basic JSON API.
A tutorial on building a TypeScript-based API using the FoalTS framework, covering setup, routing, and controllers.
A beginner's tutorial on building a basic JSON API using the Python Flask web framework, covering setup, routing, and CRUD operations.
A guide to creating script management for Deno projects, similar to npm scripts in Node.js, using a custom TypeScript runner.
A tutorial on building a basic API using Deno, covering import maps, deps.ts, and CRUD operations with the Pogo framework.
A tutorial on setting up a development environment with Express.js and Neo4j using Docker and Docker Compose.
A tutorial on building a web server with the Fastify framework and using the Liquid templating language for dynamic HTML generation.
A beginner's guide to writing unit tests for React components using Jest and React Testing Library, covering core concepts and practical examples.
A guide to various methods for conditional rendering in React components, including if/else, ternary operators, and switch statements.
A comprehensive 2021 guide covering React functional components, hooks, state management, project generators, and best practices.
A history of JavaScript bundlers, from early script tags to modern tools like Webpack, Rollup, Parcel, Snowpack, and Vite, explaining the problems each solved.
A comprehensive guide to JavaScript functions, covering declarations, expressions, return values, and best practices for effective function design.
SolidJS is a frontend framework combining React's familiar syntax with Svelte's compilation approach for better performance and smaller bundles.
A guide to using Pipenv for managing Python virtual environments, focusing on deterministic dependency resolution with Pipfile.lock.
A guide covering two methods for deploying Node.js and Deno.js applications to the Heroku platform, including setup and configuration steps.
A comprehensive 2021 list of CSS frameworks and component libraries for major JavaScript frameworks like Angular, React, Vue, and Svelte.
Introducing Merced-Express, a Node.js/Express framework with Rails-like CLI tools for generating models, controllers, and auth in a MongoDB project.
A tutorial on building and deploying a web API with Rust's Rocket framework, including routing, database integration, and deployment.
A concise reference guide covering the basics of Express.js and MongoDB/Mongoose, including setup, routing, middleware, and request/response handling.
Explains the differences between batch and streaming data processing, covering OLTP, OLAP, and ETL concepts for data engineers.
