C Program to List All Files in a Directory
Listing all files in a directory is a very common programming requirement. Here we'll see how to read and display all file names in a directory using C directory entry…
SQL Query to Find the N-th Highest Salary
This is the extension of the article of finding the second highest salary. Here we'll see how to find the N-th highest salary. It is more generic version which is…
C Program to Replace All Occurrences of a Character by Another One in a String
Here we'll see how to replace all occurrences of a character by another one in a string. Read also: C program to remove all occurrences of a character. #include <stdio.h>…
C Program to Remove all Occurences of a Character from a String
Here we'll see how to remove all occurences of a character from a string. For example, if we remove the character 'o' from the string "The quick brown fox jumps…
Linux Command to Rename a File or Directory
Standard Linux distributions don't generally come with a rename command. You can install the rename package though. But the standard mv (move) command can be used to rename a file…