"Why" is NodeJs single threaded?
Lead Developer Interview Questions
3,938 lead developer interview questions shared by candidates
SOLID Principles and high level practical implementations
1. HigherOrder Function 2. Asynchronous programming 3. Check balanced parenthesis
Online leetcode exercises on Hackerrank. One of the questions was to write an SQL query which included a column containing concatenated rows (=using GROUP_CONCAT) - this is a serious SQL anti-pattern...
- 1 challenge: you get two strings representing results of a competition for two players. calculate scores and return winner - 2 sql with simple calculations - you get a list of sentences and a list of string, each string has a sequence of wors. Find occurrency of these words in the sentences.
Given the SQL schema, told to optimize it using normalization, given 2 sql queries identify the bugs and solve it. Given 3 c# related questions, told me to identify the issues and solve it. design the users schema create the 2 function one returns the monthly emi based on the schema and will return the summary of user along with the information of loan the user took
Not much to say here. Design patterns, clean code questions and some simple technical exercises (some algorithms and framework usage).
Design email delivery system with low latency and failover mechanism. Emails count can be from 1 lakh to 10 lakh per hour.
General Java basics and oops concepts
How to design a high transaction volume system
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