O. Valadares' Blog

Featured

Getting 100% code coverage doesn’t eliminate bugs – Getting 100% of unit test coverage doesn’t eliminate all bugs from your applications. It seems basic, but it’s something to always keep remembering.

Panic! at the Job Market – The tech job market is in dark times, this is a fantastic post that everyone working with IT related things must read to understand what happened in the past years in the market and what is happening now, along with some common pitfalls of tech companies when hiring people.

On the origins of DS_store – The .DS_store file on Mac filesystem is a well known characteristic of the OS. But have you ever wondered what it is?

We need visual programming. No, not like that. – Every month new visual programming tools are released, at first glance all of them look promising but after some time no one is using it. Why this happens? Do developers really need this kind of tool? If so, what should it do?

Serving a billion web requests with boring code – Just another example of the classical mantra “Choose Boring Technology” applied on a real world scenario.

Seiko Originals: The UC-2000, A Smartwatch from 1984 – Seiko released on 80’s the UC-2000 a watch that can be considered the first smart watch. It ideas are fascinating peaces of innovation at this time.

MISC

I received an AI email – The winter is coming on the internet, and this kind of problems will be even more common. We need to be cautious with anything on the internet because anything can be an AI-generated content.

Building a large-scale Observability Ecosystem – Building a large-scale observability internal platform and ecosystem while the company is growing is a hard task. This post from Mercado Libre shows how their observability team handled it since it creation.

Anyone can Access Deleted and Private Repository Data on GitHub – A scary post title, but in fact you need to pay attention when working with forks as GitHub makes your commits available even after deleting it. This is a design choice as the post explains.

Developers want more, more, more: the 2024 results from Stack Overflow’s Annual Developer Survey – The traditional annual Stack Overflow’s Developer Survey results.