Irrespective of the application you want to hire a developer for, they will surely use multiple gems during the project. RubyGems is a package manager for the Ruby language that gives a standard format for distributing programs and libraries, in a self-contained template called a “gem.” What is the structure and purpose of a RubyGem? You can also ask some theoretical questions about some aspects of the Rack interface, Middleware stack, or any other relevant thing. Within the limited time of an interview, asking the candidate to demonstrate a simple application in Rack is a quick test of their coding skills. Every programmer you hire must be proficient in writing code and not just understanding the concepts. Rack is a commonly used interface for programmers to develop an application in Ruby. As of May 2020, the latest stable release is version 6.0.3.1. However, the candidate should know how developers elsewhere are improving the language so that they can stay-up-to-date and incorporate all the latest tools in your project. This knowledge may not be directly relevant to the project. What is the latest version of Rails as well as Ruby? How is it an improvement from the earlier one?Īlthough the question is theoretical, it tests the candidate’s general awareness of the Ruby language and the Rails framework. If you see them fumbling here, the interview practically ends here. This question is the most basic interview question for a ROR developer. If necessary, you can ask to write a sample code for a class or any OOP concept or just a verbal answer. Since the framework is written in Ruby, the candidates should be well-versed in the language, since it relies heavily on object-oriented programming (OOP).Ĭlass hierarchies, encapsulation, inheritance, and polymorphism are essential concepts that every ROR web developer should know. But, for a recruiter, what is the secret for selecting the best developer for your firm? Top Questions to Test ROR Developers What Is Object-Oriented Programming? What are some aspects of it? So, from e-commerce store web designers to gaming programmers to facebook api developers for hire, every sector needs Ruby on Rails programmers. Every business has an online presence to boost sales and target more customers in today’s world. Rails is written in a programming language called Ruby, and hence the name Ruby on Rails (ROR). The Rails framework helps them to build websites and applications by simplifying repetitive tasks. Rails is a development tool for web developers that gives them a framework structure for all the code.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |