Given a string, find all the characters that occur more than once, ignoring the case and whitespaces. Given a string inp_str, return a list of strings containing characters that occur more than once, ...

Are duplicate files occupying a large chunk of memory on your Linux system? Check out three ways to find and remove duplicate files in Linux.

TreeMirror is a Python program that creates a mirrored copy of a directory structure, allowing users to easily duplicate and transfer directory trees.

In contrast to next(), nextLine() does not tokenize input. It simply returns a complete line of text. In this example, we change from the Scanner next() method to the nextLine() method and compare the ...

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script.

How to write a Java palindrome program for Strings Good programmers need to create code that efficiently solves problems, using various methods. A popular academic exercise is to create a program that ...