Root Certificate for Intranet

If you need an SSL/TLS certificate for an intranet site or your local development server, you can create a self-signed SSL/TLS certificate and trust this certificate in the client browsers. But if you need multiple certificates for multiple domain names in your intranet, a better way to do it is to become your own certificate… Read More »

How to Use an Apple Music Playlist as an Alarm

It’s easy to use a particular song from your music library as an alarm sound on your iPhone. But what if you want a playlist to act as your alarm sound. Unfortunately, the Clock app on the iPhone does not have an option for this. You can only choose a tone or a song from… Read More »

How to Convert PDF to Images Using Quick Action on Mac

You can convert a single page of a PDF file to an image using the “Export” menu in Preview. If you want to export all the pages to images, then you would have to do it page by page. Wouldn’t it be nice if you can right-click on a PDF file then choose a quick… Read More »

Memory Game with Scratch

This is a tutorial to create a memory game using Scratch 2. This memory game is played this way: The “computer” will press a random button and then the player must click the same button. In the next round, the computer will press that same button plus another random button. The player must then mimic… Read More »