add constraints programmatically

Creating UIViews Constraints Programmatically Using PureLayout

Today, I’ll walk you through building a simple mobile application’s UI completely in code without the use of Storyboards or NIBs. I will not go into the debate of which is better because, simply, they all have their pros and cons, so I’ll just leave this link here which dives more into that matter: https://www.toptal.com/ios/ios-user-interfaces-storyboards-vs-nibs-vs-custom-code.  …

Docker and containers

The Difference Between Virtual Machines And Containers

There are two common virtualization methods. First is the full machine virtualization, think VirtualBox and VMware, which provides virtual machines. On the other hand, there are several containerized applications that use applications such as LXC and Docker. This creates a sandboxed environment where you can install your entire operating system and configure the virtual hardware for each…