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 tutorial on connecting to a MongoDB database using the Mongoose ODM library in JavaScript, including setup, schemas, and queries.
A technical guide explaining JavaScript Promises and comparing three methods for making API calls: Fetch, Axios, and $.ajax.
A guide for developers on building a personal brand through projects, blogging, social media, and public contributions to advance their tech career.
A reference guide comparing jQuery and vanilla JavaScript for DOM manipulation, covering element selection, creation, and event handling.
Explains JavaScript event handling in browsers and Node.js, covering built-in DOM events, custom events, and practical implementation.
An introduction to Svelte, a modern frontend framework that compiles code for efficient DOM updates, with a basic tutorial on components and state.
A comprehensive reference guide for developers covering essential Bash commands, Git workflows, VSCode tips, Node.js basics, and community resources.
Explains the lifecycle functions (connectedCallback, disconnectedCallback, etc.) available in native Web Components for controlling behavior during rendering and updates.
A comprehensive guide to free and low-cost deployment platforms for static sites, full-stack apps, VPS, and headless CMS options for developers.
A comprehensive reference guide for Django covering deployment, REST APIs, database setup, environment variables, and essential commands.
A tutorial on styling Web Components using external stylesheets, style tags, CSS parts, and slots for encapsulated UI development.
A tutorial on creating basic Web Components, covering setup, Hello World examples, and using ShadowDOM for encapsulation.
A tutorial introducing RenderBlocks, a lightweight JavaScript library for building reactive UI components using a Vue-like constructor pattern.
A tutorial on mBlocks, a frontend UI library for building reactive components without the Web Component API, covering setup, props, and state.
A tutorial on using the MercedUI library to create Web Components, covering setup, props, state, and basic features.
A beginner-friendly tutorial on Angular 9 covering setup, components, data interpolation, directives, and routing.
Introducing AMPonent, a JavaScript library for building reactive Web Components with features like state management and styled components.
A tutorial on implementing CRUD operations using plain vanilla JavaScript, manipulating the DOM to create, read, update, and delete data.
A beginner's tutorial on React, covering setup with script tags, JSX, components, props, and state using functional components.
A tutorial on building a Ruby on Rails API with JWT authentication for a user notes application.
