For two strings A and B, we define the similarity of the strings to be the length of the longest prefix common to both strings. For example, the similarity of strings “abc” and “abd” is 2, while the similarity of strings “aaa” and “aaab” is 3. Calculate the sum of similarities of a string S […]
Fibonacci
Complete the function fibonacci to return an array containing the first N Fibonacci numbers. fib(n) = n , n <= 1 fib(n) = fib(n-2) + fib(n-1), otherwise Constraints: 1 ≤ N ≤ 10 Sample Input 4 Sample Output 0 […]
Calculate Factorial
Write a program that will read an integer N from STDIN and compute the factorial of N. The input to your program will contain many lines. On each line there will be exactly one integer. Your program should print the factorial of each integer in a separate line. Your program should terminate when it reads a number […]
Maximum Difference in an Array
Return the maximum difference between any a[i] and a[j] where a[i] < a[j] and i < j The maximum difference for a pair of elements in some array a is defined as the largest difference between any a[i] and a[j] where i < j and a[i] < a[j]. The declaration for a function named maxDifference […]
How To Change Forgotten Password On Ubuntu 14.04 Servers
Since we’re all humans and we do forget at times, this brief tutorial is going to show you how to reset or recovery a forgotten users or root password on Ubuntu 14.04. Now, something you should understand before you continue. This method will only work if you’re directly connected to the machine and able to […]
Types of software Testing
Software Testing Types: Black box testing – Internal system design is not considered in this type of testing. Tests are based on requirements and functionality. White box testing – This testing is based on knowledge of the internal logic of an application’s code. Also known as Glass box Testing. Internal software and code working should […]
Install Cassandra and Titan on Ubuntu Server 14.04 Trusty
Hello everyone, this guide show step by step how to install cassandra and titan on Ubuntu Server 14.04 Trusty. In my example, My Ubuntu Server username: tiendang My IP: 192.168.14.129 Prerequisites Install Ubuntu Server 14.04 Trusty. Link download: http://releases.ubuntu.com/14.04.1/ubuntu-14.04.1-server-amd64.iso After install, make sure your server is up to date sudo apt-get update sudo apt-get upgrade Check your […]