Pro Data Visualization Using R and JavaScript, 2nd EditionUse R 4, RStudio, Tidyverse, and Shiny to interrogate and analyze your data, and then use the D3 JavaScript library to format and display that data in an elegant, informative, and interactive way. You will learn how to gather data effectively, and also how to understand the philosophy and implementation of each type of chart, so as to be able to represent the results visually.
With the popularity of the R language, the art and practice of creating data visualizations is no longer the preserve of mathematicians, statisticians, or cartographers. As technology leaders, we can gather metrics around what we do and use data visualizations to communicate that information. Pro Data Visualization Using R and JavaScript combines the power of the R language with the simplicity and familiarity of JavaScript to display clear and informative data visualizations.
Gathering and analyzing empirical data is the key to truly understanding anything. We can track operational metrics to quantify the h ...
A Frontend Web Developer's Guide to TestingTesting web applications during a sprint poses a challenge for frontend web app developers, which can be overcome by harnessing the power of new, open source cross-browser test automation frameworks. This book will introduce you to a range of leading, powerful frameworks, such as Selenium, Cypress, Puppeteer, and Playwright, and serve as a guide to leveraging their test coverage capability. You'll learn essential concepts of web testing and get an overview of the different web automation frameworks in order to integrate them into your frontend development workflow. Throughout the book, you'll explore the unique features of top open source test automation frameworks, as well as their trade-offs, and learn how to set up each of them to create tests that don't break with changes in the app.
By the end of this book, you'll not only be able to choose the framework that best suits your project needs but also create your initial JavaScript-based test automation suite. This will enable fast ...
Professional Web Accessibility Auditing Made EasyDigital accessibility skills are in high demand, as the world becomes more aware of barriers in digital content that prevent some people from participating in a digital society. These are essential skills for web developers, and essential knowledge for organizations that want to ensure their web content is reaching the broadest audience possible.
This book will help readers develop the skills and knowledge needed to evaluate websites, web content, and web applications for compliance with international web accessibility requirements. These requirements help ensure that people with disabilities are able to participate fully on the Web.
This book is made up of an Introductory Unit, plus 8 chapters with a variety of readings, hands-on activities, and a short unmarked self-test.
Though there are no prerequisites knowledge required to benefit from this book, in order to make the best out of their learning experience, it is recommended that readers have:
- Some previous familiarity ...
Build a Weather Station with Elixir and NervesThe Elixir programming language has become a go-to tool for creating reliable, fault-tolerant, and robust server-side applications. Thanks to Nerves, those same exact benefits can be realized in embedded applications. This book will teach you how to structure, build, and deploy production grade Nerves applications to network-enabled devices. The weather station sensor hub project that you will be embarking upon will show you how to create a full stack IoT solution in record time. You will build everything from the embedded Nerves device to the Phoenix backend and even the Grafana time-series data visualizations.
Elixir as a programming language has found its way into many different software domains, largely in part to the rock-solid foundation of the Erlang virtual machine. Thanks to the Nerves framework, Elixir has also found success in the world of embedded systems and IoT. Having access to all of the Elixir and OTP constructs such as concurrency, supervision, and immutability mak ...
The Missing LinkWeb development is an evolving amalgamation of languages that work in concert to receive, modify, and deliver information between parties using the Internet as a mechanism of delivery.
While it is easy to describe conceptually, implementation is accompanied by an overwhelming variety of languages, platforms, templates, frameworks, guidelines, and standards. Navigating a project from concept to completion often requires more than mastery of one or two complementing languages, meaning today's developers need both breadth, and depth, of knowledge to be effective.
This text provides the developer with an understanding of the various elements of web development by focusing on the concepts and fundamentals through the examples within, providing a foundation that allows easier transition to other languages and a better understanding of how to approach their work. The reader will be introduced to topics in a manner that follows most project development methods, from initial conceptualizati ...
The Jamstack BookJamstack sites use JavaScript, APIs, and Markup to create fast, dynamic pages without the overhead of heavyweight frameworks. The Jamstack Book is your essential guide to this exciting new web architecture. Written by renowned Jamstack experts Raymond Camden and Brian Rinaldi, it's filled with real-world projects to develop and hone your skills.
You'll learn how to lay out and generate a site, set up your own CMS, and add dynamic features like user logins and search functionality. Confusing jargon is demystified. Plus, you'll get the chance to try out different static site generators and find the one that works best for you. Pick up this book today, and you'll discover how the Jamstack answers your need for speed and simplicity.
JavaScript, APIs, and pre-rendered Markup put the JAM in Jamstack. This modern web architecture delivers the quick load times of static sites along with the dynamic functionality you need for user-friendly interactive features. Built with lightweight stan ...
Practical SvelteLearn to leverage the power of Svelte to produce web applications that are efficient and fast. This project-oriented book simplifies creating sites using Svelte from start to finish, with little more than a text editor and familiar languages such as HTML, CSS, and JavaScript. It equips you with a starting toolset that you can use to develop future projects, incorporate into your existing workflow, and allow you to take your websites to the next level.
Practical Svelte is an excellent resource for getting acquainted with creating and manipulating websites or online applications using a component framework approach. It takes the view that we don't have to create something complex and unwieldy. We can build something quickly, using less code than some of its competitors, and extend it using the power of the API and plugins over time, without sacrificing speed or features.
You will learn how to use the Svelte framework to rapidly create and deploy websites or online applications that ...
Beginning PyQt, 2nd EditionLearn GUI application development from the ground up by building simple projects that teach the fundamentals of using PyQt6. This 2nd edition includes updated code, programs, and new chapters to get you started using the newest version. Taking a practical approach, each chapter will gradually teach more advanced and diverse concepts to aid you in designing and customizing interesting and professional applications.
You'll start by learning important concepts related to GUI development, and then jump right into building different and exciting projects in every chapter. Along the way, you'll discover new widgets, layouts, and other concepts that will help you to build better UIs. You'll also construct more elaborate GUIs, covering topics that include storing data using the clipboard, graphics and animation, support for SQL databases, multithreading applications, and building modern-looking interfaces.
Using this knowledge, you'll be able to build a photo editor, games, a text edito ...
React and React Native, 4th EditionOver the years, React and React Native has proven itself among JavaScript developers as a popular choice for a complete and practical guide to the React ecosystem. This fourth edition comes with the latest features, enhancements, and fixes to align with React 18, while also being compatible with React Native. It includes new chapters covering critical features and concepts in modern cross-platform app development with React.
From the basics of React to popular components such as Hooks, GraphQL, and NativeBase, this definitive guide will help you become a professional React developer in a step-by-step manner.
You'll begin by learning about the essential building blocks of React components. As you advance through the chapters, you'll work with higher-level functionalities in application development and then put your knowledge to work by developing user interface components for the web and native platforms. In the concluding chapters, you'll learn how to bring your application toget ...
Coding Roblox Games Made Easy, 2nd EditionRoblox is a huge entertainment platform like no other for both playing and creating games. With over 200 million monthly active users, Roblox has enabled new and experienced developers to create successful games, often called experiences, that can be played globally at no cost.
Coding Roblox Games Made Easy, 2nd Edition, builds a solid foundation of the concepts you need to embark on the journey of building two end-to-end games in Roblox in increasing order of complexity.
For the first game, you will create obstacles and traps for an obstacle course game (obby) and overcome them to win the game alongside other players and earn rewards. In the next game, you will manage player avatars, their weapons, a battlefield and add programming logic for the players to find their weapons and fight, with a reward for the last player standing.
Finally, you'll delve into the logistics of game production, focusing on optimizing your games' performance by implementing impressive mechanics, mon ...