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 104 of 133- 01A 2022 Introduction to SQLWhat SQL is, where it runs (SQLite, PostgreSQL, MySQL and more), and a first hands on session creating a table, inserting rows and querying them with SELECT.databaseMay 13, 2022
- 022022 MongooseJS CheatsheetQuick Mongoose reference: the connection URI, connecting, defining schemas and models, common model methods, and relating documents with refs and populate.databaseApr 19, 2022
- 03Express/EJS/Mongooose Build from Zero to DeployBuild a todo app with Express, EJS and Mongoose from scratch: connect MongoDB with dotenv, add morgan and method-override, seed todos, then deploy to Heroku.javascriptApr 19, 2022
- 04ExpressJS Cheatsheet 2022Express quick reference covering project setup, middleware like morgan and cors, routes, the req and res objects, templates, routers, databases and API calls.javascriptApr 09, 2022
- 05Express Todo List for BeginnersA beginner Express walkthrough: what a web server is, serving static files, EJS templates and partials, building a todo list you can cross off, and deploying.javascriptApr 06, 2022
- 06Web Storage API Part 1 - LocalStorage and SessionStorageHow localStorage and sessionStorage keep data in the user's browser, with setItem, getItem and removeItem, plus JSON.stringify and JSON.parse for objects.oltpMar 23, 2022