Rails Developer sollicitatievragen
368
Sollicitatievragen voor Rails Developer gedeeld door sollicitantenMeest gestelde sollicitatievragen
Describe a routine which returns the set of integers in {1..100} divisible without remainder by 3 but not by 9.
12 antwoorden↳
(1..100).select { |x| x%3 == 0 && x%9 != 0
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1) start from number = 3 Loop while(number <= 100) 2) display number 3) number = number+3, display number 4) number = number+6 Loop Minder
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put those integers into an array, pick every third element, out of which discard every third element. Minder
This was a pair programming session with a Ruby engineer. They allow you to use your own laptop which was great but you only get 30 minutes to finish the problem with working unit tests. I think they re-use this pair programming problem so I'm not going to divulge details here. But it wasn't a particularly hard problem, they just want you to see how you code and test. Do not forget to write unit tests! Ideally you would develop it in a TDD fashion.
2 antwoorden↳
I wrote failing unit tests to determine the API first and then kept writing code until the tests succeeded. Minder
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Do they expect use of rspec, minitest or just simple assert methods for tdd?
what is out put of: 1) a && b, 2) a ||= b, 3) a & b?
1 antwoorden↳
1) bigger value will be returned, 2) b is assigned to a if a is nil or false, 3) Boolean value will be returned based on the value of a and b(if any of a or b is nil or false false will be returned Minder
What type of data structure would you use to implement auto-complete functionality where memory usage needs to be minimized?
1 antwoorden↳
Use a trie
experiencias pasadas, conocimientos, prueba tecnica muy basica
1 antwoorden↳
di un resumen de mi experiencia y conocimiento, la prueba tecnica era mas que todo teorica en la que consultaban conceptos basicos de desarrollo. Minder
They asked me that Do you know elastic search?
1 antwoorden↳
I answered , Elastic search is gem which is used to implement the search functionality. Minder
If we have 8 same little balls, but one of them is less weight. How may times do we need to weigh them to define which ball is less weight?
1 antwoorden↳
6 times
Prueba tenica mediate plataforma online y segunda prueba tecnica compartiendo pantalla
1 antwoorden↳
realizando los ejercicios solicitados
How would you optimize Ruby for performance?
1 antwoorden↳
What's the greatest challenge you've had working with other people?