🔥 Another EPIC month of course updates


Hey Hey!

Berlin’s in full-tilt summer mode—street raves, open-air cinemas, midnight kebabs.

I kept pace and shipped a MASSIVE stack of course upgrades.

Jump in, then jump outside.

​RAG, AI Agents & Generative AI with Python and OpenAI 2025​

  • NEW IN MAY: RAGAS + RAG deep dive with all the latest OpenAI tricks—done and waiting
  • COMING IN JUNE: New sections on OpenAI Image Generation + Reasoning Models

​AI Agents For All! Build No-Code AI Agents & Master AI 2025​

  • MAY REMAKES: LangFlow tutorials completely rebuilt with the current feature set
  • NEW IN MAY: Manus AI and CrewAI Enterprise sections are up
  • COMING IN JUNE: More AI workflows with Make.com

​Decision Making with Problem Solving & Critical Thinking​

  • NEW IN MAY: Added a role-playing exercise on Decision Making and Marketing

​Master Time Series Analysis and Forecasting with Python 2025​

  • NEW IN MAY: Added a role-playing exercise on meeting a C-Level executive to explain Time Series Analysis concepts and findings. Dig in and share your feedback!

Udemy Pro Labs:

  • Went through all of them and updated 10 of them with the most up to date AI requirements

​Master Python for Data Analysis and Business Analytics 2025​

  • I am working on the course to improve it.
  • More Coding Exercises, more content, crisper videos.

Work hard, play louder.

Diogo

Data Heroes, with Diogo Resende

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Read more from Data Heroes, with Diogo Resende

Hey Reader! I poked a few Model Context Protocol servers this week and stumbled on one with zero security. If you’re using (or about to use) MCP, watch this: 👉 Hacking MCP: We Found a Server with ZERO Protection! You’ll see the exact test I ran and the two fixes you can copy-paste today to keep your own endpoint off the hacker menu. Catch you in the comments,Diogo

Hey Reader, Apple just rolled out a deep dive that claims our smartest chatbots hit a brick wall when puzzles get tough. The paper—titled “The Illusion of Thinking”—fans out six large models and asks if slow “thinking” text actually helps them solve logic games. I read the whole thing so you don’t have to, and here’s the story in plain talk. HOW THE EXPERIMENT WAS SETUP Apple picks puzzles with clear rules like Tower of Hanoi, river crossings, the 24 Game, and simple path-finding mazes. They...

Hey Reader! The internet is filled with ChatGPT failures. From the inability to count the R's in the word strawberry: Asking ChatGPT to count the # of Rs in the word strawberry To being unable to answer simple puzzles correctly: Puzzle that ChatGPT cannot answer But the bottomline is that this goes way beyond simple things. Go to ChatGPT and type: Generate an image of a clock And you will get something like this: Image generated with the prompt above Notice the 10:10 time. ChatGPT almost...