Some very interesting questions to ask Cortana
Program to convert a multidimensional array to single dimension using RecursiveArrayIterator(), RecursiveIteratorIterator() and iterator_to_array()
Reading and writing files in Java using buffered stream classes BufferedInputStream, BufferedOutputStream, BufferedReader and BufferedWriter.
NTP in Linux is implemented by the ntpd daemon. This article demonstrates how to configure ntpd on Centos / RHEL 6
Learn how to add basic file upload functionality to your web page using PHP.
Python program to recursively list directories, subdirectories and files in a directory tree
How to migrate your contacts (address book) from a Windows phone to an Android phone in 5 easy steps.
How to rate the performance of your computer using Windows Experience Index
Java program to print the first N Fibonacci numbers using the recurssive method. This is a popular question for Java and C programming interviews
How to close background apps in Windows 8 and save the resources.