Agami Technologies Software Development Engineer interview questions

1.How do you find out if a number is a power of 2? And how do you know if it is an odd number? 2.How do you find the middle item in a linked list? 3.How would you change the format of all the phone numbers in 10,000 static html web pages? 4.What is the difference between a queue and a stack? 5.In an array with integers between 1 and 1,000,000 one value is in the array twice. How do you determine which one? 6.How would you store a vector in N dimensions in a datatable? 7.Which tools are essential to you for testing the quality of your code? 8.How do you manage conflicts in a web application when different people are editing the same data? 9.What is your advice when a customer wants high performance, high usability and high security? 10.How do you find the middle item in a linked list?