795 tutorials · free to read

A working handbook for data and software engineering.

Hands-on tutorials by Alex Merced on Apache Iceberg, the data lakehouse, pipelines, agentic AI, and the languages and tools that hold it all together.

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  1. 01Fundamentals of Client Side JavascriptBrowser APIs worth knowing before DOM work: navigator, window.location, the customElements registry, document, and adding and removing data in localStorage.
  2. 02Ultimate CSS ReferenceA CSS reference to bookmark: selectors, specificity, BEM, block versus inline elements, Flexbox, Grid, centering, pseudo selectors, CSS variables and functions.
  3. 03React - Why use TaskRunner over Redux, useReducerAn alternative to Redux and useReducer: the TaskRunner pattern from merced-react-hooks lets React state logic run async actions and set state where needed.
  4. 04Svelte after Sapper - The Svelte EcosystemWith Sapper being replaced by SvelteKit, here are your options for Svelte projects: plain Svelte, keep using Sapper, Elder.js, Routify, Plenti and more.
  5. 05Creating a Portfolio/Blog with Angular/Agility CMSBuild a portfolio and blog in Angular: install the CLI, generate components and services, set up routing, and pull blog posts from Agility CMS with a service.
  6. 06Delivering JSON Data with NetlifyServe static JSON files from Netlify as a simple API for a JAMstack site, set CORS headers so other sites can fetch the data, and see ways to use it.