git stash allows you to save your work in progress out of your way
Developing inside a Docker container
A few months ago I got a new computer and I have been very intentional about deciding what I install on it. From past experience I know that computers that are used as a development environment tend to get messy in no time since one might install all kinds of libraries, frameworks, dependencies, you name … Continue reading Developing inside a Docker container
How to permit nested parameters in Rails
The context Rails 5 introduced a big change in how it handles ActionController::Parameters (the parameters that you get on your Controllers): before Rails 5, if you called your params you would get a hash back and after Rails 5, you get a ActionController::Parameters object. You can see that by calling params.inspect and if you call … Continue reading How to permit nested parameters in Rails
5 razões pra começar a aprender JavaScript
Se você já programa há algum tempo e não sabe JavaScript ou se está pensando em aprender a programar e não sabe por onde começar, aqui está a minha lista de motivos porque eu acho que você deveria aprender JavaScript (ou simplesmente "JS" no resto desse post): JS é o que faz a internet ser … Continue reading 5 razões pra começar a aprender JavaScript
Git, GitHub and GitLab. Are they all the same thing?
A few years back when I got serious about learning to program to become a software developer, I remember hearing about version control and getting really confused about git and GitHub (one can add GitLab to this list also!). Are they the same thing? Eventually I figured it out but this past week in a … Continue reading Git, GitHub and GitLab. Are they all the same thing?
Find the commit that introduced a bug in your code: how to use git bisect in 7 steps
When I first heard about git bisect I thought it sounded scary and complicated, so I never looked for an opportunity to learn more about it and use it. That's until last week when I ran into a bug in our master branch. I knew that the bug was not there two days before so … Continue reading Find the commit that introduced a bug in your code: how to use git bisect in 7 steps
How to upgrade Rails
I don't write much about Rails here but whoa, two posts in a row! Well, it turns out that I thought I should record another lesson I learned while upgrading Rails: how to do it, meaning, what are the practical steps one should take to upgrade Rails? During my research at work I came across … Continue reading How to upgrade Rails
6 Lessons learned from upgrading a Rails app
I was recently tasked with upgrading our Ruby on Rails application at work: my goal was to move two major versions up, with a middle step on a minor version (and a server OS upgrade that was not even planned!). This was an incredible experience and I learned a lot from it. Here are some … Continue reading 6 Lessons learned from upgrading a Rails app
Book review: Get Programming with Go
Book cover of "Get Programming with Go", by Nathan Youngman and Roger Peppe Learning Go (a.k.a as Golang) was one of my personal goals for 2019 and I chose the book "Get Programming with Go", by Nathan Youngman and Roger Peppe as my learning resource. Even though there are several other resources out there, I … Continue reading Book review: Get Programming with Go
Go to line number in a file using vim
You want to see line 3842 of file called my_super_long_file.py and you can only access that file using vim. You open the file and to your dismay, by default, vim doesn't display line numbers. Here are your options: Arrow down and hope you find that line before retirementDisplay the line numbers by hitting : and … Continue reading Go to line number in a file using vim
