RoR & PostgreSQL & HTML5/CSS3 & JS Test

40 questions total, 85 minutes maximum, for mid-level programmers



Online test includes:

Ruby on Rails  -  10 Questions

PostgreSQL  -  10 Questions

  • Joins, Queries
  • Grouping, Aggregate Functions, HAVING Clause
  • Subqueries, EXISTS, IN Operators
  • Miscellaneous: Ranking Functions, UNION Operator

HTML5 / CSS3  -  10 Questions

  • CSS Selectors, Specificity
  • Layout: Box Model, Flexbox, Grid
  • Miscellaneous: Responsive Design, HTML Tags

JavaScript  -  10 Questions

  • General JavaScript, JavaScript in Browsers
  • JavaScript Objects, Arrays
  • Functions and Scope, Passing by Reference vs. by Value