How to deal with N+1 queries
Desenvolvedor De Ruby Junior Interview Questions
830 desenvolvedor de ruby junior interview questions shared by candidates
How would you scale this?
Regular Ruby questions, I had to write two methods/algorithms with some random factor and write unit tests for one of them. After that I got a few questions regarding Rails, Active Record, Relational Databases and stuff like that. Nothing out of the loop or crazy...
Normal questions,
Relevant technical questions.
sql, patterns, solid, caching
- common ruby questions - behavioral, what about you in the company in the following years?
They wanted me to build an application that can read/write to Redis.
1. HABTM and has many through differences in depth 2. Pooling 3. Rails joins
Q. How you will design digital wallet like Paytm. Write rough flow diagram and building blocks. Which database you will use and why? Suppose A person sending money to person B. Write a code for the same.
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