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Backend Software Interview Questions
15,497 backend software interview questions shared by candidates
Hackerrank algorithms with average complexity
What security issue can we face and how to solve it?
Given an array of arrays, what is the best way to index in javascript. Write sudo code in the form of a method.
Screen phone interview: The team leader elaborated about the company and the position and then ask me to tell a bit about myself Technical interview: 1. Tell about project you're proud with 2. Write a function to return a power set from given set (They use CoderPen platform to run the answer, notice that the platform lack of many PL's and i had to write it in Python 2.7) # the power set (or powerset) of a set S is the set of all subsets of S, including the empty set and S itself. # if S is the set {x, y, z}, then all the subsets of S are # the power set of S is {{}, {x}, {y}, {z}, {x, y}, {x, z}, {y, z}, {x, y, z}}. # {} => {{}} # {1}=> {{}, {1}} # {1, 2}=> {{}, {1}, {2}, {1, 2}} # {1, 2, 3}=> {{}, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1, 2, 3}}
given an array and int n, return true if exist 2 numbers in the array that their sum is equal to n
How do you ensure that a customer can access only their data?
Check for email existence in Mongodb, it is taking too long to check, advise some solution(There are indexes in place and there is no problem in implementation)
Write a program to figure out what size of box should be selected for a given selection of ingredients and their measurements.
Easy Leetcode question about days best selling and buying days of stocks (from an array that holds the stock's buying price for each day)
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