How to count occurrences of a word in a sentence [python]
Developer Support Engineer Interview Questions
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You have seven stones and a weighing scale. Six of the stones are equal in weight and one is lighter. How will you figure out which one is lighter ? Minimum tries required to do so ?
Is batman a super hero?
how to test a toaster?
How to reverse a space-delimited-string word by word
what if company in losses , dividend declaration
I have three water jugs, one with 10 liters another with 5 and another with 6, how do i get 8 liters on the first one?
how many zeros are there in 100!
Given a binary tree, how would you set the keys/values of all the nodes and their child pointers to null. No language restriction. Do it iteratively in O(N) time with O(1) space complexity where N is the number of nodes in the tree. Other Details: - Tree is just a regular Binary Tree and doesn't have the BST property. - It is not guaranteed to be balanced. - You may do whatever you want to the tree however, you must ensure that all the nodes in the tree and their left/right pointers are set to null.
We have a log file, can grow pretty big. Each line is a trace-log, and the first field is the RequestID. We need to scan the file, and print all the logs for requests which resulted in error .. 001 <timestamp> BEGIN 001 <timestamp> fetched from db 001 <timestamp> some processing .. 002 <timestamp> BEGIN .. 002 <timestamp> fetched from db 001 <timestamp> returned success 003 <timestamp> BEGIN 001 <timestamp> END 003 <timestamp> some work 002 <timestamp> ERROR 003 <timestamp> some other work
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