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.
Follow an ordered learning track with prerequisites and checkpoints →
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Latest tutorials
Page 128 of 133- 01Intro to ExpressWhere Express fits among Node web servers like Koa, Fastify and Polka, how to start a basic Express server, what else it can do, and templates to start from.Oct 12, 2020
- 02React Pro Tips in Several ImagesCode images with React tips: conditional rendering, fetch inside useEffect, lifting state, spreading props, forms, routes, context and higher order components.Oct 12, 2020
- 03More Merced-Spinup TemplatesNew merced-spinup templates: Express with socket.io, plain Webpack and Rollup, Commander CLIs, basic React, script-tag React and Vue, and AngularJS.Oct 05, 2020
- 04Learning Svelte 101A hands-on Svelte intro in CodeSandbox: how App.svelte is laid out, declaring variables, passing props, events with reactive data, and looping over arrays.Oct 05, 2020
- 05Typescript 101 - Typing, Interfaces and Enums oh MY!TypeScript basics for JavaScript developers: why typing helps, typing variables, arrays, objects and functions, then defining enums and your own custom types.Oct 02, 2020
- 06Writing Javascript PromisesWrite your own JavaScript promise: when a promise is the right tool, how to build one with resolve and reject, and what to keep in mind when you use them.Sep 25, 2020