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Your best post is not doing what you think
Two viral posts, and the number I'd been ignoring.
Aug 5
9
2
How to Actually Get Started with LLMs
A clear (and human) guide to get started with LLMs without drowning
Aug 2
6
1
July 2026
You skipped SQL. The job didn't.
Forty years old and still the last thing standing.
Jul 28
14
3
The interview stack. The work stack. Two different jobs.
Two lists. Almost no overlap.
Jul 21
5
The SQL habit that separates juniors from seniors
If your SQL still lives in nested subqueries, read this.
Jul 19
•
Josep Ferrer
4
1
Your GitHub is not your portfolio.
One holds your code. The other decides your career.
Jul 14
5
2
1
Mastering SQL JOINs
Some weeks ago we broke down SQL’s execution order with Join:
Jul 12
•
Josep Ferrer
7
1
Eight Tuesdays down. A small thank you inside.
For staying with me through the reset.
Jul 10
•
Josep Ferrer
5
2
2
Understanding Data Collection with APIs
A hands-on guide to collecting structured data with Python and real-world APIs
Jul 6
•
Josep Ferrer
6
1
June 2026
Seven Tuesdays down. Nobody warned me about this part.
Last Tuesday I sat down to write this and had nothing.
Jun 30
6
1
Understanding The Decoder (Part III)
Decoding the Encoder: A Deep Dive into Transformer Architecture
Jun 28
•
Josep Ferrer
3
1
You don't have a time problem. You have an anchor problem.
When I first went freelance, I had three clients inside two months.
Jun 23
5
2
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