Archive for May, 2014

Most Popular Amazon questions

May 27th, 2014 1 comment

Based on my algorithm here are the 20 most popular questions that were asked during Amazon interviews:

Why Amazon?  
Linked list  
System design questions.  
Tell me about a time you failed.  
Why do you want to work for Amazon?  
What questions do you have for me?  
Design Question  
A lot of questions like “tell me about a time you ….”  
The excel exercise was specially tough for me. It is NOT related to finance.  
Describe a binary tree ?  
What do you do when people say no to you  
on data structures  
Search Tree  
The design problem  
Tell me about a time you used data.  
Tell me a time when you had to design a system?  
find common ancestor in binary tree(Not binary search tree)  
“Tell me about yourself”  
Write a code to find out if a tree is a binary search tree.  
Binary tree traversal  

Yes they do seem kind of generic, but I guess that is the case with many things.

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An updated list of Amazon questions

May 19th, 2014 No comments

Since it seems like this is the most popular page on my blog I figure I would update it. The number of questions on glassdoor exploded. 3000+
questions. I guess Amazon keeps hiring and firing?
Read more…

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PHP 5.5 vs HHVM vs Node.js Benchmark part 4

May 11th, 2014 No comments

In this set of benchmarks I am comparing the performance of node vs hhvm in doing what a lot of web apps do: Adding something to a database and reading something from a database and then making a webpage out of. As expected given most of the time is spent waiting on the database node and hhvm perform similarly.

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