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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- Data Lakehouse200
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- Dremio65
- AI Agents61
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- Apache Polaris33
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Latest tutorials
Page 130 of 133- 01Mongoose, Connecting to Mongo via JavascriptWhat document databases and Mongoose are, then connect to MongoDB Atlas from JavaScript, seed sample data with a script, and query your collections.Sep 17, 2020
- 02Promises 101 and Fetch, Axios and $.ajaxWhy async JavaScript moved from callbacks to promises, and how to handle the promises returned by fetch, jQuery's $.ajax and Axios using then and catch.Sep 17, 2020
- 03Building Your Coder/Developer BrandPractical ways to build a developer brand: shipping libraries, LinkedIn, GitHub, blogging, StackOverflow, podcasts, YouTube, coding challenges and free work.Sep 16, 2020
- 04Ultimate jQuery/Plain Vanilla JS DOM ReferenceSide by side jQuery slim and plain JavaScript DOM code for querying, creating and appending elements, looping over elements, and adding event listeners.Sep 13, 2020
- 05Javascript Events - In the Browser and NodeHow JavaScript events work: listening to built-in DOM events, creating and dispatching custom events in the browser, and using the EventEmitter in NodeJS.Sep 12, 2020
- 06Ultimate Basic Coder Reference (Bash, Git, VSCode, Nodejs, more)A daily reference for core tools: Bash commands and profile files, nano and vim, VSCode extensions, Git rules and commands, and Node commands and packages.Sep 05, 2020