Are we abusing at_exit?
Are we abusing at_exit? If you are deeply interested in Ruby, you probably already know about Kernel#at_exit. You might even use it daily, without knowing that it is there, in many gems, solving many problems. Maybe even too many? Basics Let me remind you some basic facts about at_exit. You can skip this section if you are already familiar with it.
→ Mastering Rails Validations: Contexts
Mastering Rails Validations: Contexts Many times Rails programmers ask How can I skip one (or more) validations in Rails. The common usecase for it is that users with higher permissions are granted less strict validation rules. After all, what’s the point of being admin if admin cannot do more than normal user, right? With great power comes great responsibility and all of that yada yada yada. But
→ Eager Loading (preloading) - 3 ways to do it in Rails 3, 4, 5 and 6
3 ways to do eager loading (preloading) in Rails 3, 4, 5 and 6 … and check why 5600+ Rails engineers read also this 3 ways to do eager loading (preloading) in Rails 3, 4, 5 and 6 You are probably already familiar with the method #includes for eager loading data from database if you are using Rails and ActiveRecord. But do you know why you someties get few small and nice SQL queries and sometimes o
4 ways to early return from a rails controller
4 ways to early return from a rails controller … and check why 5600+ Rails engineers read also this 4 ways to early return from a rails controller When refactoring rails controllers you can stumble upon one gottcha. It’s hard to easily extract code into methods when it escapes flow from the controller method (usually after redirecting and sometimes after rendering). Here is an example: 1. redirect
Microservices - 72 resources
Microservices - 72 resources Microservices - everyone talks about them nowadays. There’s no common understanding however what they are. I’ve been researching this topic for a while, gathering and evaluating articles, presentations and conference videos. Articles and presentations http://martinfowler.com/articles/microservices.html Good broad introduction to the topic and further references, mentio
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