Refinements in ruby
Today I had the opportunity to use https://docs.ruby-lang.org/en/2.4.0/syntax/refinements_rdoc.html for the first time in my almost 8 years of Ruby programming. So in general it works in t...
Answers for "What people find attractive about ruby language?" in 2022
Since I helped about 50-60 people to start their journey with Ruby and I still have to answer for the same questions like - "What do people find attractive about ruby language?" - "What is it d...
Basics of curses library in Ruby - Make awesome terminal apps!
Did you ever use Vim, top or its better alternative, htop? Immortal Midnight Commander? Or maybe the more user friendly version of du, ncdu? They are all terminal applications working in full scree...
Graphql-ruby and passing ISO8601 DateTimes without timezone
If you are writing web apps for some time, you had to encounter at least a few issues/situations when you had to deal with Timezones. If you are a Ruby developer, and you use Ruby on Rails then you...
Rails CD with Docker, Github Actions and VPS
I want to show you how to deploy your app to production with minimal cost and make the deployment process fully automated. If you have never done it before, this post will show you how to achieve i...
Application testing with Apache JMeter
What is Apache JMeter? It is a tool for carrying out performance tests of the server and database used by our application. Such tests allow us to estimate how many users of our application wil...
How to make UI for neovim plugins in Lua
In the last article, we saw the basics of creating plugins in Lua using floating windows. Now it's time for a more traditional approach....
Trailblazer is back, better then ever!
For those who know Trailblazer - you know that for the last 6 years TRB evolved a few times, introduced a lot of great ideas but also had it's problems: missing documentation, lack of communication...
Dead rows in a materialized view
In the application that I work on, we have a materialized view. It was created from several joined tables. It’s used to speed up searching for data without joining seven or eight tables in every qu...
The Art of Project Management - part 2
INTRODUCTION In the first part of the cycle, we talked about initial estimations (in our case project concept) and characteristics o...