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Software Development

SwiftUI State Properties, Observable, State and Environment Objects

SwiftUI State Properties, Observable, State and Environment Objects

Earlier chapters have described how SwiftUI emphasizes a data driven approach to app development whereby the views in the user interface are updated in response to changes in the underlying data …
SwiftUI Stacks and Frames

SwiftUI Stacks and Frames

User interface design is largely a matter of selecting the appropriate interface components, deciding how those views will be positioned on the screen, and then implementing navigation between the …
Creating Custom Views with SwiftUI

Creating Custom Views with SwiftUI

A key step in learning to develop apps using SwiftUI is learning how to declare user interface layouts both by making use of the built-in SwiftUI views as well as building your own custom views. …
The Anatomy of a Basic SwiftUI Project

The Anatomy of a Basic SwiftUI Project

When a new SwiftUI project is created in Xcode using the Multiplatform App template, Xcode generates a number of different files and folders which form the basis of the project, and on which the …

Operating Systems

Dual Booting Ubuntu 20.04 with Windows

Ubuntu, just like most Linux distributions, will happily co-exist on a hard disk drive with just about any version of Windows. This is a concept known as dual-booting. Essentially, when you power up …

Installing Ubuntu 20.04 with the Network Installer

The previous chapter explored the different options available when installing Ubuntu with a particular emphasis on using the graphical installer. This chapter will go into more detail regarding the …

Installing Ubuntu 20.04 on a Clean Disk Drive

There are now three ways in which an Ubuntu system can be deployed. One method is to either purchase new hardware or re-purpose an existing computer system on which to install and run the operating …

The History of Linux and Ubuntu

Ubuntu Linux is one of a number of variants (also referred to as distributions) of the Linux operating system and is the product of a U.K. company named Canonical Ltd. The company was founded in …

Indepth Guides