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.
501 articles from this blog
A guide to creating a developer portfolio website using a custom Gatsby template that includes project listings and markdown blog functionality.
An overview of essential client-side JavaScript browser APIs, including navigator, window, customElements, document, and localStorage.
A comprehensive reference guide covering CSS fundamentals, syntax, selectors, layout systems like Flexbox and Grid, and best practices for styling web pages.
Introduces TaskRunner, a React state management pattern as an alternative to Redux/useReducer, enabling async actions and centralized logic.
Explores Svelte framework options after Sapper's deprecation, comparing alternatives like SvelteKit, Elder.js, and Routify for developers.
A step-by-step tutorial on building a portfolio/blog website using Angular and integrating it with Agility CMS for content management.
A tutorial on using static JSON files with Netlify to serve data in a JAMStack architecture, avoiding database costs.
A tutorial on building a blog using the Agility headless CMS, covering setup, content modeling, and data retrieval via API.
An overview of pre-built Web Component libraries like Shoelace, Material, and Polymer for framework-agnostic UI development.
Explains the core concepts of authentication (login/signup) and authorization (sessions vs. JWTs) in web development.
A tutorial on creating a Markdown blog using NextJS and Gatsby static site generators, covering setup, templates, and rendering.
Explores six lesser-known JavaScript object types: Maps, Sets, Symbols, Generators, Reflect, and Proxy, with usage examples.
A step-by-step tutorial on building a GraphQL API using Apollo Server, covering setup, typedefs, resolvers, and testing.
A tutorial building a single Rails backend API for a todo list, then creating frontends with React, Angular, Vue, Svelte, and jQuery to compare frameworks.
A tutorial on Konjection, a helper library built on Knex and Objection.js to simplify database operations and model creation in Node.js.
A tutorial on creating and deploying a Ruby on Rails API to Heroku, covering setup, database configuration, and deployment steps.
A tutorial on setting up and implementing many-to-many relationships in Ruby on Rails using a practical example with Investors and Companies.
Introduces merced-react-hooks, a library offering custom React hooks for state management, localStorage, and lifecycle to reduce boilerplate.
A tutorial on using StencilJS to create reusable web components that work across different JavaScript frameworks like React and Angular.
Introducing Mongorester, a library to generate a full CRUD Express/MongoDB API with a single line of code, similar to Rails scaffolding.
