Design, build, and maintain a powerful, secure, and complete extension for Magento 2, the world’s favorite e-commerce platform About This Book Deploy a complete real-world extension step by step Construct your extension with the best and most up-to-date development methods Learn about team working and code sharing Who This Book Is For If you want to write a specific customization or a large new and full-featured extension on Magento 2, this book is intended for you. You must be an intermediate to professional-level developer in PHP to appreciate this book. What You Will Learn Build a fully-functional complex extension to add new functionality to Magento Register your code with GIT and work with your team Write new layouts and templates Set up a fully configurable grid and forms in the backend Create code unit tests and run them through TDD Propose localized contents Develop optimized extensions for a high-load environment Publish extensions on the Magento Connect Marketplace In Detail Magento has been revealed as the best and the most popular open source e-commerce platform in the world, with about 250k+ online stores. Magento 2 is the most recent version of this awesome toolset: every new and modern development techniques are used to offer a real modular approach and powerful architecture. The book will support you in the writing of innovative and complex extensions. Starting from the beginning, we will cover how to set up a development environment that allows you to be really efficient in your functionality writing, including GIT registering and many other development tools. We then move on to provide a large overview of the best practices to scale your module in a high-load environment. After these foundations, you will see how to use test driven-development (TDD) and unit tests to handle your code. We then build a complex extension together, step by step, and internationally-ready. Next, you will find out how to protect the users’ data. Finally, we will take a look a publishing the extension on the new Magento Connect marketplace and how to protect your intellectual property. After you read this book, you will know everything you need to know to become an invaluable extension editor, whether it is for your customers’ needs or for your own requirements. Style and approach This book takes a step-by-step approach to developing the extension and learning the new concepts of developments. Each topic is explained sequentially in the process of creating the extension, and punctuated by detailed explanations of the features of the code.

Write reliable code to create powerful applications by mastering advanced JavaScript design patterns About This Book Learn how to use tried and true software design methodologies to enhance your JavaScript code Discover robust JavaScript implementations of classic and advanced design patterns Packed with easy-to-follow examples that can be used to create reusable code and extensible designs Who This Book Is For This book is ideal for JavaScript developers who want to gain expertise in object-oriented programming with JavaScript and the new capabilities of ES-2015 to improve their web development skills and build professional-quality web applications. What You Will Learn Harness the power of patterns for tasks ranging from application building to code testing Rethink and revitalize your code with the use of functional patterns Improve the way you organize your code Build large-scale apps seamlessly with the help of reactive patterns Identify the best use cases for microservices Get to grips with creational, behavioral, and structural design patterns Explore advanced design patterns including dependency injection In Detail With the recent release of ES-2015, there are several new object-oriented features and functions introduced in JavaScript. These new features enhance the capabilities of JavaScript to utilize design patterns and software design methodologies to write powerful code. Through this book, you will explore how design patterns can help you improve and organize your JavaScript code. You’ll get to grips with creational, structural and behavioral patterns as you discover how to put them to work in different scenarios. Then, you'll get a deeper look at patterns used in functional programming, as well as model view patterns and patterns to build web applications. This updated edition will also delve into reactive design patterns and microservices as they are a growing phenomenon in the world of web development. You will also find patterns to improve the testability of your code using mock objects, mocking frameworks, and monkey patching. We’ll also show you some advanced patterns including dependency injection and live post processing. By the end of the book, you'll be saved of a lot of trial and error and developmental headaches, and you will be on the road to becoming a JavaScript expert. Style and approach Packed with several real-world use cases, this book shows you through step-by-step instructions how to implement the advanced object-oriented programming features to build sophisticated web applications that promote scalability and reusability.

Build, combine, and launch infrastructure in a fast, secure, and effective manner About This Book An up-to-date and comprehensive resource on Terraform that lets you quickly and efficiently launch your infrastructure Learn how to implement your infrastructure as code and make secure, effective changes to your infrastructure Learn to build multi-cloud fault-tolerant systems and simplify the management and orchestration of even the largest scale and most complex cloud infrastructures Who This Book Is For This book is for developers and operators who already have some exposure to working with infrastructure but want to improve their workflow and introduce infrastructure as a code practice. Knowledge of essential Amazon Web Services components (EC2, VPC, IAM) would help contextualize the examples provided. Basic understanding of Jenkins and Shell *s will be helpful for the chapters on the production usage of Terraform. What You Will Learn Understand what Infrastructure as Code (IaC) means and why it matters Install, configure, and deploy Terraform Take full control of your infrastructure in the form of code Manage complete complete infrastructure, starting with a single server and scaling beyond any limits Discover a great set of production-ready practices to manage infrastructure Set up CI/CD pipelines to test and deliver Terraform stacks Construct templates to simplify more complex provisioning tasks In Detail Terraform is a tool used to efficiently build, configure, and improve production infrastructure. It can manage existing infrastructure as well as create custom in-house solutions. This book shows you when and how to implement infrastructure as a code practices with Terraform. It covers everything necessary to set up complete management of infrastructure with Terraform, starting with the basics of using providers and resources. This book is a comprehensive guide that begins with very small infrastructure templates and takes you all the way to managing complex systems, all using concrete examples that evolve over the course of the book. It finishes with the complete workflow of managing a production infrastructure as code – this is achieved with the help of version control and continuous integration. At the end of this book, you will be familiar with advanced techniques such as multi-provider support and multiple remote modules. Style and approach This book focuses on providing the practical skills required to make full use of Terraform. It will take the readers slowly from very small infrastructure templates to the managing complex systems, all by using concrete examples, evolving over the course of the book.

Explore the world of .NET design patterns and bring the benefits that the right patterns can offer to your toolkit today About This Book This book is based on the latest version of .NET, .NET Core 1.0.·The code is explained piece by piece and the application of the pattern is also showcased. This fast-paced guide shows you how to implement the patterns into your existing applications Who This Book Is For This book is for those with familiarity with .NET development who would like to take their skills to the next level and be in the driver's seat when it comes to modern development techniques. Basic object-oriented C# programming experience and an elementary familiarity with the .NET framework library is required. What You Will Learn Put patterns and pattern catalogs into the right perspective Apply patterns for software development under C#/.NET Use GoF and other patterns in real-life development scenarios Be able to enrich your design vocabulary and well articulate your design thoughts Leverage object/functional programming by mixing OOP and FP Understand the reactive programming model using Rx and RxJs Writing compositional code using C# LINQ constructs Be able to implement concurrent/parallel programming techniques using idioms under .NET Avoiding pitfalls when creating compositional, readable, and maintainable code using imperative, functional, and reactive code. In Detail Knowing about design patterns enables developers to improve their code base, promoting code reuse and making their design more robust. This book focuses on the practical aspects of programming in .NET. You will learn about some of the relevant design patterns (and their application) that are most widely used. We start with classic object-oriented programming (OOP) techniques, evaluate parallel programming and concurrency models, enhance implementations by mixing OOP and functional programming, and finally to the reactive programming model where functional programming and OOP are used in synergy to write better code. Throughout this book, we'll show you how to deal with architecture/design techniques, GoF patterns, relevant patterns from other catalogs, functional programming, and reactive programming techniques. After reading this book, you will be able to convincingly leverage these design patterns (factory pattern, builder pattern, prototype pattern, adapter pattern, facade pattern, decorator pattern, observer pattern and so on) for your programs. You will also be able to write fluid functional code in .NET that would leverage concurrency and parallelism! Style and approach This tutorial-based book takes a step-by-step approach. It covers the major patterns and explains them in a detailed manned along with code examples.

A fast-paced and practical guide to demystifying big data and transforming it into operational intelligence About This Book Want to get started with Splunk to analyze and visualize machine dataOpen this book and step into the world of Splunk. Leverage the exceptional analysis and visualization capabilities to make informed decisions for your business This easy-to-follow, practical book can be used by anyone, even if you have never managed any data before Who This Book Is For This book will be perfect for you if you are a Software engineer or developer or System administrators or Business analyst who seek to correlate machine data with business metrics and provide intuitive real-time and statistical visualizations. Some knowledge or experience of previous versions of Splunk will be helpful but not essential. What You Will Learn Install and configure Splunk Gather data from different sources, isolate them by indexes, classify them into source types, and tag them with the essential fields Be comfortable with the Search Processing Language and get to know the best practices in writing search queries Create stunning and powerful dashboards Be proactive by implementing alerts and scheduled reports Use the Splunk SDK and integrate Splunk data into other applications Implement the best practices in using Splunk. In Detail Splunk is a search, analysis, and reporting platform for machine data, which has a high adoption on the market. More and more organizations want to adopt Splunk to use their data to make informed decisions. This book is for anyone who wants to manage data with Splunk. You’ll start with very basics of Splunk— installing Splunk—and then move on to searching machine data with Splunk. You will gather data from different sources, isolate them by indexes, classify them into source types, and tag them with the essential fields. After this, you will learn to create various reports, XML forms, and alerts. You will then continue using the Pivot Model to transform the data models into visualization. You will also explore visualization with D3 in Splunk. Finally you’ll be provided with some real-world best practices in using Splunk. Style and approach This fast-paced, example-rich guide will help you analyze and visualize machine data with Splunk through simple, practical instructions.

Implement object-oriented programming paradigms with Swift 3.0 and mix them with modern functional programming techniques to build powerful real-world applications About This Book Leverage the most efficient object-oriented design patterns in your Swift applications Write robust, safer, and better code using the blueprints that generate objects Build a platform with object-oriented code using real-world elements and represent them in your apps Who This Book Is For This book is for iOS and macOS developers who want to get a detailed practical understanding of object-oriented programming with the latest version of Swift: 3.0. What You Will Learn Write high-quality and easy-to-maintain reusable object-oriented code to build applications for iOS, macOS, and Linux Work with encapsulation, abstraction, and polymorphism using Swift 3.0 Work with classes, instances, properties, and methods in Swift 3.0 Take advantage of inheritance, specialization, and the possibility to overload or override members Implement encapsulation, abstraction, and polymorphism Explore functional programming techniques mixed with object-oriented code in Swift 3.0 Understand the differences between Swift 3.0, previous Swift versions, and Objective-C code In Detail Swift has quickly become one of the most-liked languages and developers’ de-facto choice when building applications that target iOS and macOS. In the new version, the Swift team wants to take its adoption to the next level by making it available for new platforms and audiences. This book introduces the object-oriented paradigm and its implementation in the Swift 3 programming language to help you understand how real-world objects can become part of fundamental reusable elements in the code. This book is developed with XCode 8.x and covers all the enhancements included in Swift 3.0. In addition, we teach you to run most of the examples with the Swift REPL available on macOS and Linux, and with a Web-based Swift sandbox developed by IBM capable of running on any web browser, including Windows and mobile devices. You will organize data in blueprints that generate instances. You’ll work with examples so you understand how to encapsulate and hide data by working with properties and access control. Then, you’ll get to grips with complex scenarios where you use instances that belong to more than one blueprint. You’ll discover the power of contract programming and parametric polymorphism. You’ll combine generic code with inheritance and multiple inheritance. Later, you’ll see how to combine functional programming with object-oriented programming and find out how to refactor your existing code for easy maintenance. Style and approach This simple guide is packed with practical examples of solutions to common problems. Each chapter includes exercises and the possibility for you to test your progress by answering a quiz

If you have experience with the Python language and are interested in getting started with electronics, then BeagleBone Black is the perfect platform for you and this book will provide you with the information you need.

This book is for PLC programmers, electricians, instrumentation technicians, and automation professionals with basic PLC programming knowledge, but no knowledge of RSLogix 5000. If you are a student who is familiar with automation and would like to learn about RSLogix 5000 with a minimal investment of time, this is the book for you.

If you are a jMonkey developer or a Java developer who is interested to delve further into the game making process to expand your skillset and create more technical games, then this book is perfect for you.

This book is intended for .NET developers with any level of experience and who are interested in building native applications without the hassle of becoming Objective-C or Java experts. Although it will be beneficial to have some development experience, particularly in .NET, Learning Xamarin help even a novice developer get past the headaches of setting up and customizing their new development environment so they can move on to producing high-quality native applications quickly.

The book is a detailed reference guide, and an invaluable resource for answers to all your queries about jQuery. It is intended to be a quick reference to help at times when you need to quickly confirm a feature of the library This book is for you if you are a web developer who wants a broad, organized view of all that jQuery library has to offer or a quick reference on their desk to refer to for particular details. Basic knowledge of HTML and CSS is required. You should be comfortable with the syntax of JavaScript, but no knowledge of jQuery is assumed. This is a reference guide, not an introductory title and if you are looking to get started with jQuery (or JavaScript libraries in general) then you are looking for the companion title Learning jQuery 1.3.

Performance Testing With JMeter 2.9 is a standard tutorial that will help you polish your fundamentals, guide you through various advanced topics, and along the process help you learn new tools and skills.This book is for developers, quality assurance engineers, testers, and test managers new to Apache JMeter, or those who are looking to get a good grounding in how to effectively use and become proficient with it. No prior testing experience is required.

This book will guide you through the steps necessary to add image, video, and audio elements into your Drupal sites. For each topic, you start with simple techniques and move on to more advanced techniques. By the time you've completed this book, you should have a firm ground from which to tackle most multimedia needs, and enough of an understanding to creatively solve more complex problems. This book will provide information for administrators and professional site developers who are required to embed multimedia into a Drupal site. The reader needs basic knowledge of Drupal operation, but no experience of how Drupal handles multimedia items is expected.

The initial part guides the reader through the features of DWR and how it works to make the developer ready for practical implementation. The later part contains plenty of code (with explanations) and graphical interface-driven step-by-step examples, which the reader can try out while surfing through the book to learn by doing. This book is written for competent Java developers and assumes that you are a professional rather than hobbyist. You should be familiar with the concepts of programming, Web 2.0, and AJAX.

This book is intended for those who want to learn to develop apps in Swift the right way. Whether you are an expert Objective-C programmer or new to this platform, you'll learn quickly, grasping the code of real-world apps to use Swift effectively. Prior experience in development for Apple devices would be helpful, but is not mandatory.

The author draws on his experience to offer the reader valuable advice on the best practices. Providing only necessary theoretical background, the book takes a practical approach, presenting case studies and plenty of illustrative examples. This book is aimed at Linux Network administrators with some understanding of Linux security threats and issues, or any one interested in securing their systems behind a firewall. Basic knowledge of Linux is presumed but other than that this book shows you how to do the rest, from configuring your system to dealing with security breaches.

This is a cookbook that contains a list of recipes explaining step-by-step how to use JavaScript in Moodle. The first two chapters concentrate on the basics of how to start working with JavaScript and the YUI while the later chapters show how to use these techniques as a basis for implementing more complete functionality. This book is aimed at developers and administrators comfortable with customizing Moodle with the use of plugin modules, themes, and patches who want to make their site more dynamic. If you have prior knowledge of HTML, PHP, and CSS and a good working knowledge of the underlying structure of Moodle, then this book is for you. No prior experience with JavaScript is needed.

This book will provide an easy to understand, step-by-step approach to building your own WordPress plugins from scratch. We will construct a variety of plugins from the group up, demonstrating how to tap into a number of WordPress development aspects, as well as how to prepare and release your plugin(s) to the public. This book is for WordPress users who want to learn how to create their own plugins and for developers who are new to the WordPress platform. Basic knowledge of PHP and HTML is expected, as well as a functional knowledge of how WordPress works from a user standpoint.

This book looks at the main functional areas of Joomla! that have significant new features. All features are explained with the help of illustrative screenshots and step-by-step instructions on how to use them.This book is for existing Joomla! users, developers, and designers who want to know about everything that's new in Joomla! 1.6.

Step through each of the core concepts of the jQuery library, building an overall picture of its capabilities. Once you have thoroughly covered the basics, the book returns to each concept to cover more advanced examples and techniques.This book is for web designers who want to create interactive elements for their designs, and for developers who want to create the best user interface for their web applications. Basic JavaScript programming and knowledge of HTML and CSS is required. No knowledge of jQuery is assumed, nor is experience with any other JavaScript libraries.

This is a Packt Beginners Guide, which means it focuses on practical examples and has a fast-paced but friendly approach, with the opportunity to learn by experiment and play. Each chapter builds a practical plug-in from the ground up using step-by-step instructions. Individual sections show you how to code some functionality into your plug-in and follow up with a discussion of concepts. This book is for programmers working with WordPress, who want to develop custom plug-ins and to hack the code base. You need to be familiar with the basics of WordPress and PHP programming and believe that code is poetry; this book will handle the rest.