Real Hiring Middle Ruby on Rails Interview [ENG]

0:01 Introduction
1:01 Self-introduction

Databases
4:01 Indexes
7:15 Joins
11:44 Application performance
22:59 NoSQL databases
27:01 Redis

Background jobs
31:29 Sidekiq

Ruby
38:03 Number classes
42:20 Object ID and Singleton
53:49 Private and protected
1:00:01 Code execution, lambdas, procs, and blocks
1:05:00 Strings and symbols
1:08:34 Сlasses and modules
1:18:08 Exceptions
1:22:17 Threads

Rails
1:28:12 Models, callbacks
1:33:21 Validations
1:35:54 Relations/associations
1:54:11 Deployment

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