Technical Experiments Archives

Long-exposure light trails of cars driving at night

October 9, 2026

How to Build an NYC Taxi Data Dashboard with Claude Dashboards, DuckDB and d3

With so much buzz around Claude dashboards , I had to give it a spin with a well known example: the NYC taxi dataset. This is a 5-minute guide shows that demonstrates the power of dashboards from just a single prompt: Build a new ...

Close-up of source code on a dark screen, illustrating Claude Opus 5.5 and Sonnet 5.5 coding workflows

September 13, 2026

Is your Claude Code context actually optimised?

3 months using Claude.One of the first things I did was researching: - What is the base context when I just send one simple "Hey Claude"? - Why to many cache write and cache read tokens from this message?And I thought ...

Fiber optical network cables glowing with light

September 13, 2026

Controlling one agent is easy (Part 2/2)

But what about 5? And 20? And 100? 🤔 In the first part of this mini-series, I gave some tips on how to not burn through the entire 5-hour limit in 20 minutes.The truth is, I have already suffered from this problem when spawning multiple agents. The ...

September 13, 2026

Controlling one agent is easy (Part 1/2)

But what about 5? And 20? And 100? 🤔 🤖 The problem of agent spawning and the usual "I was 5 minutes into my session and my tokens are gone" 🪫 For many days, I have been reading many people describing cases similar to this: fresh session, new task, ...

Blackboard with a math lesson written on it

September 13, 2026

Claude Code – Initial considerations on cache and token optimization

Over the last few weeks, I have been exploring more in Claude Code and the user community growing around it.I’ve been experimenting with common tasks such as implementing small features and debugging old code, but also experimenting (in a quite non-scientific way) with the different ...