16 January 2019 by Igor Springer on Performance, Ruby

Is `Array` the only option for storing elements in Ruby?

TLDR; Array, Set and SortedSet reflect various data structures created for different purposes. It’s good to know their pros and cons and, based on them, be able to select the one which fulfils concrete requirements best. Sometimes there is almost no difference, but there are cases where Set & SortedSet are much faster (and more suitable) than Array and Read more…

7 January 2019 by Igor Springer on Ruby on Rails, Stability

Common mistakes that cause Ruby on Rails apps outages

Everybody makes mistakes. Some of them are caught early in a deployment pipeline: during writing code, testing it locally or code review process. Unfortunately, some hide cleverly and pop up on the production environment.

20 November 2018 by Igor Springer on Ruby, Today I Learned

Ruby `allocate` method

TIL that Ruby, or to be more precise Class class, offers allocate public instance method. According to the documentation the method: Allocates space for a new object of class’s class and does not call initialize on the new instance. The returned object must be an instance of class. The same documentation includes a nice code Read more…

24 October 2018 by Igor Springer on Ruby on Rails, Today I Learned

`ActiveSupport::ArrayInquirer` and even more Rails magic

In the previous article, we dived into ActiveSupport::StringInquirer class and superpowers it gives to String objects. After I had published that article I decided to take another look at the ActiveSupport module and to my surprise, I found something even more interesting, ActiveSupport::ArrayInquirer class.

17 October 2018 by Igor Springer on Ruby on Rails, Today I Learned

`ActiveSupport::StringInquirer` magic

Rails magic is a widespread term among developers working with Ruby on Rails application. Is it an overstatement? Well, it depends. Rails magic is a widespread term among developers working with Ruby on Rails application. Is it an overstatement? Well, it depends.

10 October 2018 by Igor Springer on Ruby, Today I Learned