Ruby 3.0 and forwarding arguments with leading arguments
What changes in Ruby 3 argument forwarding, and why `...` stopped being a naive shortcut.
Ruby
Writing
iMasters, Locaweb, and this site.
I started writing in 2016 on the Locaweb blog. Today’s Insights archive no longer keeps bylines — those pieces were born there. In 2018 I published on iMasters; “Why contribute to open-source projects” was selected in the Best of the Year series, Open Source category.
Should I learn English to program?
English will not write the code for you, but it opens the docs, jobs and conversations the market actually uses.
Carreira
Making your first Hacktoberfest contribution
A practical path to the first pull request: a good issue, a small scope, and respect for the project.
Open source
What’s new in Ruby 3
Ractor, type signatures and the performance promise: what Ruby 3 actually delivered.
Ruby
Build your first Slack bot
From an empty app to the first automatic reply in the team channel.
Integrações
Ruby: understanding the magic of methods
method_missing, define_method, and why Ruby’s “magic” still needs discipline.
Ruby
6 Git practices worth keeping
Smaller commits, a readable history, and less fear of rebase in daily work.
Git
Gems that improve code quality
Lint, security and test tools that keep surprises out of production.
RubyQualidade
How to push Docker images to Docker Hub
Build, tag and push without mystery — the minimum flow every team needs.
Docker
What to expect from Ruby 2.6
The first JIT, new APIs, and what was worth migrating at the time.
Ruby
The first Ruby 2.6 fixes
What broke after release and how the language team responded.
Ruby
How to create a Docker container for Go
A reproducible environment for writing and running Go without cluttering the machine.
GoDocker
Black Friday: watch prices with crawlers
How to build a simple price watcher — and the ethical limits of doing it.
RubyCrawlers
6 Ruby tips you should know
Published on iMasters. Six Ruby and Rails shortcuts for daily work — following the PHP piece readers already liked.
Ruby
Why contribute to open-source projects
Published on iMasters and selected in the 2018 Best of the Year series, Open Source category. A way into large codebases — and into working with people better than you.
A closer look at Bundler 2.0
What Bundler 2 changed in gem resolution and the deploy flow.
Ruby
Monitor errors for free
Free tools so you know the app broke before a user has to shout.
DevOpsQualidade
PHP frameworks: meet Laravel
First published on the Locaweb blog. A Laravel tour for people coming from “plain” PHP.
PHP
How far does JavaScript go?
First published on the Locaweb blog. JS left alert() and moved into servers, mobile and desktop.
JavaScript
Speed up your Bundler
Faster bundle install: cache, flags, and what actually matters in CI.
Ruby
Programming with a child’s game
What simple games teach about rules, state and persistence.
Carreira
Docker + PHP in 5 minutes
First published on the Locaweb blog. A usable PHP container without ceremony.
DockerPHP
The craft of SOLID
First published on the Locaweb blog. The five principles without the jargon that scares beginners.
Arquitetura
Set up LAMP in the cloud in 4 steps
First published on the Locaweb blog. Linux, Apache, MySQL and PHP in the cloud without drama.
Infra
Are you in control of your actions?
First published on the Locaweb blog. Habits, focus, and the gap between busy and effective.
Carreira
8 PHP tips you should know
First published on the Locaweb blog. The piece that later inspired the Ruby version on iMasters.
PHP
Boost your Wi-Fi with a mesh network
First published on the Locaweb blog. Why cheap repeaters fail and mesh fixes a large home.
Infra
What a developer can learn from The Walking Dead
First published on the Locaweb blog. Survival, teams and tech debt in a zombie metaphor.
Carreira
Open source vs closed source
First published on the Locaweb blog. Real trade-offs, without picking a side for sport.
Open source
Frameworks: to use or not to use
First published on the Locaweb blog. Productivity versus control — and when a framework becomes a cage.
Arquitetura
What is a Single Page Application?
First published on the Locaweb blog. SPA without the hype: what changes for the server and the user.
JavaScript
Understanding WhatsApp’s end-to-end encryption
First published on the Locaweb blog. The Signal Protocol in human language, without becoming a paper.
Segurança