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Software Development

A SwiftUI Grid and GridRow Tutorial

A SwiftUI Grid and GridRow Tutorial

The previous chapter introduced LazyHGrid, LazyVGrid, and GridItem views and explored how they can be used to create scrollable multicolumn layouts. While these views can handle large numbers of rows, …
An Android MotionLayout KeyCycle Tutorial

An Android MotionLayout KeyCycle Tutorial

The previous chapters introduced and demonstrated the concepts of integrating animation into Android app user interfaces using the MotionLayout container combined with the features of the Android …
An Android MotionLayout Editor Tutorial

An Android MotionLayout Editor Tutorial

Now that the basics of MotionLayout have been covered, this chapter will provide an opportunity to try out MotionLayout in an example project. In addition to continuing to explore the main features of …
An Introduction to Android MotionLayout

An Introduction to Android MotionLayout

The MotionLayout class provides an easy way to add animation effects to the views of a user interface layout. This chapter will begin by providing an overview of MotionLayout and introduce the …

Operating Systems

Ubuntu 20.04 System and Process Monitoring

An important part of running and administering an Ubuntu system involves monitoring the overall system health in terms of memory, swap, storage and processor usage. This includes knowing how to …

Adding and Managing Ubuntu 20.04 Swap Space

An important part of maintaining the performance of an Ubuntu system involves ensuring that adequate swap space is available comparable to the memory demands placed on the system. The goal of this …

Adding a New Disk to an Ubuntu 20.04 Volume Group and Logical Volume

In the previous chapter we looked at adding a new disk drive to an Ubuntu system, creating a partition and file system and then mounting that file system so that the disk can be accessed. An …

Adding a New Disk Drive to an Ubuntu 20.04 System

One of the first problems encountered by users and system administrators these days is that systems tend to run out of disk space to store data. Fortunately disk space is now one of the cheapest IT …