AI · Code · Quick starts

Bite-sized takes on AI and code

What's new, what's useful, and what's just hype, in English and Spanish.

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  • Tips & news

    Claude Sonnet 5.5 explained for total beginners

    Claude Sonnet 5.5, Anthropic’s everyday model, just got a big upgrade. Here’s what changed, plus the one spot where last week’s advice gets an...

    Sep 28, 2026
  • Tips & news

    Claude Opus 5.5 explained for total beginners

    Anthropic’s newest AI, Claude Opus 5.5, rewards plain requests over clever tricks. Here’s what changed and how to talk to it, even if you’ve...

    Sep 27, 2026
  • Coding problems · Daily Coding Problem

    Daily Coding Problem #4

    A new problem for today’s post! We are playing with the rules here and I’m also using a different language to solve this one:...

    Dec 6, 2018
  • Coding problems · Daily Coding Problem

    Daily Coding Problem #3

    Taking a bit longer but here it is a new problem to solve!

    Dec 5, 2018
  • Coding problems · Daily Coding Problem

    Daily Coding Problem #2

    One new day and one new problem to solve:

    Nov 29, 2018

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