I’m recently doing an IoT project. I wanted to investigate the network layer, and to do so I use Wireshark to capture the network traffic between my iOS apps and IoT hardware. Let’s see how to start packet sniffing using Wireshark!   Install Wireshark Wireshark is free and open-source. You can download Wireshark from its official website https://www.wireshark.org/. Once installed, open Wireshark and run the following command to check the existing interfaces: ifconfig...

Core Data - customising our data model When you are using Core Data, and let's say that you have a requirement to have an attribute where the options available should be a defined list.  Such as "Not Started", "Pending", "In Development" and "Completed".  How do you create this as an option in Core Data?   Thinking out loud, the practical solution would be to use an enum.  But how do you use a enum in this instance?  As you might have noticed, unfortunately, it...