Programming Ecto
Languages may come and go, but the relational database endures. Learn how to use Ecto, the premier database library for Elixir, to connect your Elixir and Phoenix apps to databases. Get a firm handle on Ecto fundamentals with a module-by-module tour of the critical parts of Ecto. Then move on to more advanced topics and advice on best practices with a series of recipes that provide clear, step-by-step instructions on scenarios commonly encountered by app developers. Co-authored by the creator of Ecto, this title provides all the essentials you need to use Ecto effectively. Elixir and Phoenix are taking the application development world by storm, and Ecto, the database library that ships with Phoenix, is going right along with them. There are plenty of examples that show you the basics, but to use Ecto to its full potential, you need to learn the library from the ground up. This definitive guide starts with a tour of the core features of Ecto - repos, queries, schemas, changesets, ...
Languages may come and go, but the relational database endures. Learn how to use Ecto, the premier database library for Elixir, to connect your Elixir and Phoenix apps to databases. Get a firm handle on Ecto fundamentals with a module-by-module tour of the critical parts of Ecto. Then move on to more advanced topics and advice on best practices with a series of recipes that provide clear, step-by-step instructions on scenarios commonly encountered by app developers. Co-authored by the creator of Ecto, this title provides all the essentials you need to use Ecto effectively. Elixir and Phoenix are taking the application development world by storm, and Ecto, the database library that ships with Phoenix, is going right along with them. There are plenty of examples that show you the basics, but to use Ecto to its full potential, you need to learn the library from the ground up. This definitive guide starts with a tour of the core features of Ecto - repos, queries, schemas, changesets, ...
Build Chatbot Interactions
The next step in the evolution of user interfaces is here. Chatbots let your users interact with your service in their own natural language. Use free and open source tools along with Ruby to build creative, useful, and unexpected interactions for users. Take advantage of the Lita framework's step-by-step implementation strategy to simplify bot development and testing. From novices to experts, chatbots are an area in which everyone can participate. Exercise your creativity by creating chatbot skills for communicating, information, and fun. Developers of all skill levels can craft user experiences that are natural, easy to use, and most of all, fun. Build chatbots using free, open source tools and launch them to popular chat platforms like Slack and Amazon's Alexa. Use the Ruby programming language and the Lita bot framework to unlock fun and powerful chat abilities such as sending text messages and emails, creating new meme images, driving a robot around the room, and talking out lou ...
The next step in the evolution of user interfaces is here. Chatbots let your users interact with your service in their own natural language. Use free and open source tools along with Ruby to build creative, useful, and unexpected interactions for users. Take advantage of the Lita framework's step-by-step implementation strategy to simplify bot development and testing. From novices to experts, chatbots are an area in which everyone can participate. Exercise your creativity by creating chatbot skills for communicating, information, and fun. Developers of all skill levels can craft user experiences that are natural, easy to use, and most of all, fun. Build chatbots using free, open source tools and launch them to popular chat platforms like Slack and Amazon's Alexa. Use the Ruby programming language and the Lita bot framework to unlock fun and powerful chat abilities such as sending text messages and emails, creating new meme images, driving a robot around the room, and talking out lou ...
Designing Microservices with Django
Explore microservices using the Python-based Django framework and review the benefits and drawbacks of them. This book will examine what microservices look like, how they talk to each other, and how they are crafted using the Python programming language and the Django web framework. You'll start by understanding what the key differences are between microservices and monolithic architectures. The book then does a deep dive into how microservices are built and what common models have emerged in our industry. You'll also take an extensive look at communication and ownership patterns and examine methodologies to speed up your architecture evolution by writing less but more distributed code using the Python programming language and the Django web framework. By the end of the book, you'll have a solid understanding of microservices architectures. Armed with a comprehensive and solid toolset, you can begin working toward systems that are more scalable, resilient, and maintainable. ...
Explore microservices using the Python-based Django framework and review the benefits and drawbacks of them. This book will examine what microservices look like, how they talk to each other, and how they are crafted using the Python programming language and the Django web framework. You'll start by understanding what the key differences are between microservices and monolithic architectures. The book then does a deep dive into how microservices are built and what common models have emerged in our industry. You'll also take an extensive look at communication and ownership patterns and examine methodologies to speed up your architecture evolution by writing less but more distributed code using the Python programming language and the Django web framework. By the end of the book, you'll have a solid understanding of microservices architectures. Armed with a comprehensive and solid toolset, you can begin working toward systems that are more scalable, resilient, and maintainable. ...
Beginning App Development with Flutter
Create iOS and Android apps with Flutter using just one codebase. App development on multiple platforms has historically been difficult and complex. This book breaks down complex concepts and tasks into easily digestible segments with examples, pictures, and hands-on labs with starters and solutions. In doing so, you'll develop a basic understanding of the Dart programming language; the entire Flutter development toolchain; the differences between stateful and stateless widgets; and a working knowledge of the architecture of apps. All the most important parts of app development with Flutter are covered in this book. Work with themes and styles. Develop custom widgets. Teach your app to respond to gestures like taps, swipes, and pinches. Design, create and control the layout of your app. Create tools to handle form data entry from users. And ultimately create killer multiscreen apps with navigation, menus, and tabs. Flutter is Google's new framework for creating mobile apps that ...
Create iOS and Android apps with Flutter using just one codebase. App development on multiple platforms has historically been difficult and complex. This book breaks down complex concepts and tasks into easily digestible segments with examples, pictures, and hands-on labs with starters and solutions. In doing so, you'll develop a basic understanding of the Dart programming language; the entire Flutter development toolchain; the differences between stateful and stateless widgets; and a working knowledge of the architecture of apps. All the most important parts of app development with Flutter are covered in this book. Work with themes and styles. Develop custom widgets. Teach your app to respond to gestures like taps, swipes, and pinches. Design, create and control the layout of your app. Create tools to handle form data entry from users. And ultimately create killer multiscreen apps with navigation, menus, and tabs. Flutter is Google's new framework for creating mobile apps that ...
Beginning Database Programming Using ASP.NET Core 3
Hit the ground running with this book to quickly learn the fundamentals of HTML form processing, user authentication, and database CRUD (Create, Read, Update, and Delete) operations using the ASP.NET Core family of technologies. You will utilize cutting-edge and popular technology options from both the server side and client side to help you achieve your web application goals as quickly as possible. Developers who want to learn ASP.NET Core and complementary technologies are often overwhelmed by the large number of options involved in building modern web applications. This book introduces you to the most popular options so that you can confidently begin working on projects in no time. You will learn by example, building a sample application that demonstrates how the same application can be built using different options. This experiential approach will give you the basic skills and knowledge to understand how the options work together so that you can make an informed decision about the ...
Hit the ground running with this book to quickly learn the fundamentals of HTML form processing, user authentication, and database CRUD (Create, Read, Update, and Delete) operations using the ASP.NET Core family of technologies. You will utilize cutting-edge and popular technology options from both the server side and client side to help you achieve your web application goals as quickly as possible. Developers who want to learn ASP.NET Core and complementary technologies are often overwhelmed by the large number of options involved in building modern web applications. This book introduces you to the most popular options so that you can confidently begin working on projects in no time. You will learn by example, building a sample application that demonstrates how the same application can be built using different options. This experiential approach will give you the basic skills and knowledge to understand how the options work together so that you can make an informed decision about the ...
Raspberry Pi Projects for Kids
The Raspberry Pi is an inexpensive, pocket-sized computer that will help you build and code your own hardware projects. Raspberry Pi Projects for Kids will show you how to harness the power of the Raspberry Pi to create 12 cool projects using simple code and common materials like a webcam, microphone, and LED lights. Step-by-step instructions and detailed diagrams guide you through each project. After a brief introduction to the Python programming language, you'll learn how to: Create an LED night-light that turns itself on and off; Set up a Raspberry Pi camera to take selfies and videos; Set up a webcam to stream video to your cell phone; Manipulate environments in Minecraft; Hijack local radio waves to play your own songs and recordings; Configure Raspberry Pi to send texts to a cell phone; Track your family members locations via wi-fi and Bluetooth; Create an MP3 player; Set up a camera to take motion-triggered photos of wildlife; Control the electronics in your home with your ...
The Raspberry Pi is an inexpensive, pocket-sized computer that will help you build and code your own hardware projects. Raspberry Pi Projects for Kids will show you how to harness the power of the Raspberry Pi to create 12 cool projects using simple code and common materials like a webcam, microphone, and LED lights. Step-by-step instructions and detailed diagrams guide you through each project. After a brief introduction to the Python programming language, you'll learn how to: Create an LED night-light that turns itself on and off; Set up a Raspberry Pi camera to take selfies and videos; Set up a webcam to stream video to your cell phone; Manipulate environments in Minecraft; Hijack local radio waves to play your own songs and recordings; Configure Raspberry Pi to send texts to a cell phone; Track your family members locations via wi-fi and Bluetooth; Create an MP3 player; Set up a camera to take motion-triggered photos of wildlife; Control the electronics in your home with your ...
Make Your Own PuzzleScript Games!
PuzzleScript is a free, web-based tool you can use to create puzzle games. In a PuzzleScript game, you move objects around to solve problems and play through the levels. In Make Your Own PuzzleScript Games! you'll learn how to use PuzzleScript to create interactive games - no programming experience necessary! Learn the basics like how to make objects, create rules, and add levels. You'll also learn how to edit, test, and share your games online. Learn how to: Decorate your game with fun backgrounds; Write rules that define how objects interact; Add obstacles like laser guns and guards; Herd cats and even pull off a robot heist! With colorful illustrations and plenty of examples for inspiration, Make Your Own PuzzleScript Games! will take you from puzzle solver to game designer in just a few clicks! ...
PuzzleScript is a free, web-based tool you can use to create puzzle games. In a PuzzleScript game, you move objects around to solve problems and play through the levels. In Make Your Own PuzzleScript Games! you'll learn how to use PuzzleScript to create interactive games - no programming experience necessary! Learn the basics like how to make objects, create rules, and add levels. You'll also learn how to edit, test, and share your games online. Learn how to: Decorate your game with fun backgrounds; Write rules that define how objects interact; Add obstacles like laser guns and guards; Herd cats and even pull off a robot heist! With colorful illustrations and plenty of examples for inspiration, Make Your Own PuzzleScript Games! will take you from puzzle solver to game designer in just a few clicks! ...
Beginning Bazel
Discover Bazel, a new build and software test set of tools for today's programmers and developers. This book shows you how to speed up your builds and tests, and how to use Bazel in the context of your favorite programming language. You'll see that the languages and SDKs supported include Java, Android, iOS, and Go. Use Bazel as a build tool; Test software with Bazel; Work with Java, C++, Android, iOS, Go, and other programming languages; Run Bazel on Linux, macOS, and Windows; Scale and extend Bazel to other languages and platforms. ...
Discover Bazel, a new build and software test set of tools for today's programmers and developers. This book shows you how to speed up your builds and tests, and how to use Bazel in the context of your favorite programming language. You'll see that the languages and SDKs supported include Java, Android, iOS, and Go. Use Bazel as a build tool; Test software with Bazel; Work with Java, C++, Android, iOS, Go, and other programming languages; Run Bazel on Linux, macOS, and Windows; Scale and extend Bazel to other languages and platforms. ...
C# 8 Quick Syntax Reference, 3rd edition
This quick C# 8 guide is a condensed code and syntax reference to the C# programming language, updated with the latest features of C# 8 for .NET and Windows 10. This book presents the essential C# 8 syntax in a well-organized format that can be used as a handy reference. Specifically, it covers nullable reference types, async streams, ranges and indices, default implementations of interface members, recursive patterns, switch expressions, target-typed new-expressions, platform dependencies and more. In the C# 8 Quick Syntax Reference, you will find a concise reference to the C# language syntax: short, simple, and focused code examples; a well laid out table of contents; and a comprehensive index allowing easy review. You won't find any technical jargon, bloated samples, drawn-out history lessons, or witty stories. What you will find is a language reference that is to the point and highly accessible. The book is packed with useful information and is a must-have for any C# programmer ...
This quick C# 8 guide is a condensed code and syntax reference to the C# programming language, updated with the latest features of C# 8 for .NET and Windows 10. This book presents the essential C# 8 syntax in a well-organized format that can be used as a handy reference. Specifically, it covers nullable reference types, async streams, ranges and indices, default implementations of interface members, recursive patterns, switch expressions, target-typed new-expressions, platform dependencies and more. In the C# 8 Quick Syntax Reference, you will find a concise reference to the C# language syntax: short, simple, and focused code examples; a well laid out table of contents; and a comprehensive index allowing easy review. You won't find any technical jargon, bloated samples, drawn-out history lessons, or witty stories. What you will find is a language reference that is to the point and highly accessible. The book is packed with useful information and is a must-have for any C# programmer ...
Modern C
Modern C focuses on the new and unique features of modern C programming. The book is based on the latest C standards and offers an up-to-date perspective on this tried-and-true language. C is extraordinarily modern for a 50-year-old programming language. Whether you're writing embedded code, low-level system routines, or high-performance applications, C is up to the challenge. This unique book, based on the latest C standards, exposes a modern perspective of this tried-and-true language. Modern C introduces you to modern day C programming, emphasizing the unique and new features of this powerful language. For new C coders, it starts with fundamentals like structure, grammar, compilation, and execution. From there, you'll advance to control structures, data types, operators, and functions, as you gain a deeper understanding of what's happening under the hood. In the final chapters, you'll explore performance considerations, reentrancy, atomicity, threads, and type-generic programm ...
Modern C focuses on the new and unique features of modern C programming. The book is based on the latest C standards and offers an up-to-date perspective on this tried-and-true language. C is extraordinarily modern for a 50-year-old programming language. Whether you're writing embedded code, low-level system routines, or high-performance applications, C is up to the challenge. This unique book, based on the latest C standards, exposes a modern perspective of this tried-and-true language. Modern C introduces you to modern day C programming, emphasizing the unique and new features of this powerful language. For new C coders, it starts with fundamentals like structure, grammar, compilation, and execution. From there, you'll advance to control structures, data types, operators, and functions, as you gain a deeper understanding of what's happening under the hood. In the final chapters, you'll explore performance considerations, reentrancy, atomicity, threads, and type-generic programm ...