Dario's Blog

AWS had a production issue on Friday and gave a good example of how not to talk to your customers.

Using an LLM to shape a technical proposal is fine, but the accountability for that proposal and the code behind it is still yours.

During an incremental App Router migration, a probabilistic data structure buried in your client bundle can randomly turn working links into 404s.

Your SaaS works great until real humans (and their ad-blockers, auto-translators, and bot friends) prove you wrong.

Zed is a fantastic editor that is becoming the go-to choice for many developers.

Explaining the two methods for programmatically redirecting a user in Next.js components, server functions, or route handlers.

Decouple React components effectively by passing functions the right way, creating more testable and maintainable code.

UI components should consume simplified data models tailored for the UI instead of raw back-end DTOs, with a data access layer providing the necessary mapping and abstraction.

You've implemented a beautiful login form, but the browser will not autofill username and password on it.

Integrating Sentry is usually a simple process, but when you need to pass the Sentry authentication token several layers down in your CI pipeline, it gets a bit complicated.

A step-by-step guide on adding a Cognito user through the AWS API.