Fondamenti
Why your computer insists 0.1 + 0.2 isn't 0.3
Open any programming language right now and add them up. The answer looks like a joke. It isn't — it's the most expensive and most ignored trade-off in computing.
The curious side of technology
The things you use every day,
cut open.
Every week I take something everyone takes for granted and open it up in front of you. No prerequisites, no lecture hall.
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Reading an error: the most underrated skill
A stack trace isn't a wall of text. It's a list in call order, with one line saying what happened and every other line saying how you got there. All that changes is knowing which is which.
GuideWeb
Three lines for a counter that updates itself
From an empty project to a page showing real data, without installing anything beyond Angular. And without the three libraries most tutorials have you add before explaining what they're for.
GuidePagamenti
Opening an online shop: what you need before you write any code
The cart is the easy part. The part that keeps you awake is working out whether you have the right to collect those twenty-nine euros, and no tutorial tells you.
GuideDeploy
Your first deploy on Render, and the three ways it goes wrong
The code has been running on your laptop for weeks. Putting it online looks like a twenty-minute job, and it almost always takes three hours. The places where it jams are always the same three.
Guide
Your first API in six lines, with the documentation already written
You install one package, write six lines in an empty file and open the browser. Then you visit an address nobody told you to visit, and find an interactive documentation page you didn't write.
FondamentiStorie Vere
Why every programmer who has touched time zones has a story to tell
There is a minute that never existed in Italy. There is a day that was deleted in Samoa. And your code, in all likelihood, assumes neither of those things is possible.
FondamentiAi
Why an AI that writes poetry can't count the r's in "strawberry"
A model that solves university-level maths fails a task a six-year-old handles. The reason isn't stupidity — it's that it has never seen the letters.
FondamentiStorie Vere
The most famous comment in software history says: “You are not expected to understand this”
Six words in the Unix source code, written in 1975. They ended up on T-shirts, mugs and tattoos. And for forty years everyone read them backwards.
Storie Vere
40 seconds, $370 million: the bug that blew up Ariane 5
The code was correct. It had been tested for years. It had run flawlessly on another rocket for a decade. That was precisely the problem.
