WhatsApp can do more than send messages and photos. A hidden tool inside the app turns stacks of paper into tidy digital files in just a few taps.

You have the option to convert Google Docs into PDFs and either save them to your computer or send them as an email ...

You can save a PowerPoint presentation as a PDF to lock its content and formatting in place, so that other people can view ...

This repository provides a tiny .emacs file to set up Emacs quickly for Common Lisp programming. This document provides a detailed description of how to set it up and get started with Common Lisp ...