Add beautiful code syntax highlighting to your Ruby on Rails app
The code syntax highlighting feature is a must-have for every developer blog or website where a code snippet can be presented. It’s easy to add ...
Create a beautiful chart with just one line. For those who loves Ruby but does not like JavaScript
It is nice to have charts in the Ruby on Rails app but it’s sometimes difficult to prepare proper data and then display it using JavaScript in t...
Hawker gem – get the profile information from Github, Twitter or Instagram without the API
Have you ever tried to pull the information from the social profile using given URL? Configuring the API access may be a time-consuming and difficult ...
WordpRSS – a simple Ruby gem to pull any WordPress RSS channel
Have you ever thought about building an RSS aggregator app with Rails? If yes then I have some goods news for you. I created WordpRSS – a simple...
4 levels of the data validation in a Rails application you should be aware of
If you receive a user input in your application, you need a validation – no doubt about it. When thinking about the validation in a Ruby on Rail...
4 cool less known Rails features – part 1: ActiveJob, ActiveModel, command line
I never read the whole Rails guides and now when I’m translating them to my native language I discovered some cool features that I didn’t know abo...
3 things that slow down and make your RSpec tests worse
There are a lot of things that can slow down your tests – some of them are related to your code and some not. I will focus on quick changes that...
4 ways to refactor and speed up RSpec tests
Tests are very important part of every app so it is also important to write them very well. However, sometimes is hard to keep the test suite clean an...
Ruby on Rails – your own slow query log, no sql configuration required
Reading slow query log is a great way to detect weak places in any app where you have to refactor code in order to improve performance. I used to thin...
Build your own RSpec – introduction to DSL and metaprogramming
A gentle introduction to DSL and metaprogramming in Ruby. DSL — Domain specific language is a programming technique based on language creation t...
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