Reverse String

While working with text processing, we may need to reverse a string. This means to change the order of the characters in backward direction. Programming languages provides various methods to…

Check if String is Valid XML

XML (eXtensible Markup Language) is a plain text format for representing structured data. While working with data validators we may need to check if a string is valid XML. Programming…

Append Text to File

While working with file system, we may need to append text to a file. Programming languages provides various methods to do that. A table includes a links to posts with…