macOS

Learn how to install the PostgreSQL Database Management System (DBMS) on macOS using the following instructions. If you’re using Windows or Linux, visit https://www.postgresql.org/download/ to choose your package. You can also search for instructions specific to your platform, such as “how to install postgres on Windows” or “how to install postgres on [your Linux distribution].” The installation process is similar across platforms, especially after the initial installation phase. On macOS, we will use Homebrew....

A few months ago, I purchased a book called Code the Classics from Raspberry Pi Press. This fantastic book explores various classic games like Sensible Soccer and Centipede. Moreover, it guides readers on how to develop Python clones of these games. In total, the book covers five games. You can freely download the book from the provided link and access the game source code on GitHub at https://github.com/Wireframe-Magazine/Code-the-Classics. Unfortunately, the book does not provide detailed instructions on how to build these games....

If you’re using macOS, you may have noticed that it comes with an outdated version of Python 2 installed by default. Fortunately, you can easily install the latest version of Python 3 on your Mac. In this blog post, we’ll walk you through the process step by step. By installing Xcode, the Apple Development IDE, you will have Python 3 installed at /usr/bin/python3. You can check the version of Python 3 installed by running python3 in your terminal....

If you want to play a sound from the macOS command line, you can make use of the afplay command. Simply follow the steps below: Open the Terminal application on your Mac. Type the following command: afplay file.mp3 Replace file.mp3 with the path to the sound file you want to play. Additionally, here are some more options for the afplay command that you can experiment with: Play a sound file and wait until playback ends:...

Taking screenshots is an essential task when creating blog posts or courses. In macOS, the default method to capture the application window is by using cmd-shift-4 and pressing the spacebar. This creates a screenshot with a stylish drop shadow effect. However, there may be instances where you prefer to remove the drop shadow. In such cases, you can follow these steps: Open the Terminal application on your macOS system. Enter the following command:...

Are you looking to set up GitHub authentication on your macOS device? Whether you prefer using the command line or VS Code for your Git repositories, it’s essential to configure your GitHub credentials correctly to avoid authentication issues. In this article, we’ll outline the steps to set up GitHub credentials on macOS and ensure smooth usage of Git tools. Here’s a step-by-step guide to help you get started: Make sure you have Homebrew installed on your macOS device....

Find out how to properly upgrade the Node.js version you have installed. Node.js can be installed in multiple ways on a system, and the upgrade instructions depend on how you first installed it. Upgrading Node.js If You Installed it Using the Official Package The easiest way to install Node is to download the official package from the Node.js website. The official package contains an installer that will detect the existing version of Node....

SwiftUI is a revolutionary framework that has changed the way we develop iOS, iPadOS, watchOS, and macOS applications. It introduces a paradigm shift by rendering many existing Apple frameworks, such as UIKit, AppKit, and WatchKit, obsolete. The traditional approach followed by these frameworks is imperative, where developers manually define every aspect of the user interface (UI) and handle user events and data updates. In contrast, SwiftUI is reactive, meaning the UI seamlessly reflects the state of the data without the need for explicit connections....

The printenv command is a useful tool for printing the values of environment variables in a Linux, macOS, or UNIX environment. In this guide, we will explore how to use this command effectively. Understanding Environment Variables Environment variables play a crucial role in setting system configurations and customizing shell behaviors. They can be set by the system itself or by your own shell scripts and configuration files. Printing All Environment Variables To print all the environment variables to the terminal, simply execute the printenv command....

When it comes to building user input interfaces in SwiftUI, there are several form controls that can be utilized. These controls are similar to the ones found in the Settings app on your iPhone. With SwiftUI, you can leverage built-in form controls such as TextField, Toggle, Picker, and more. To create a form in SwiftUI, simply enclose the form controls within a Form view: Form { // Form controls go here } By wrapping the controls in a Form view, SwiftUI recognizes that it is a form and automatically presents it in a way that conforms to the platform you are running it on (iPhone, Mac, Watch, etc....