Recipes for emerging developers in R programming and data scientists to simplify their R programming capabilities About This Book ? Develop strategies to speed up your R code ? Tackle programming problems and explore both functional and object-oriented programming techniques ? Learn how to address the core problems of programming in R with the most popular R packages for common tasks Who This Book Is For This book is for developers who would like to enhance the R programming skills. Basic knowledge of R programming is assumed. What You Will Learn ? Install R and its various IDE for a given platform along with installing libraries from different repositories and version control ? Learn about basic data structures in R and how to work with them ? Write customized R functions and handle recursions, exceptions in R environments ? Create the data processing task as a step by step computer program and execute using dplyr ? Extract and process unstructured text data ? Interact with database management system to develop statistical applications ? Formulate and implement parallel processing in R In Detail R is a powerful tool for statistics, graphics, and statistical programming. It is used by tens of thousands of people daily to perform serious statistical analyses. It is a free, open source system whose implementation is the collective accomplishment of many intelligent, hard-working people. There are more than 2,000 available add-ons, and R is a serious rival to all commercial statistical packages. The objective of this book is to show how to work with different programming aspects of R. The emerging R developers and data science could have very good programming knowledge but might have limited understanding about R syntax and semantics. Our book will be a platform develop practical solution out of real world problem in scalable fashion and with very good understanding. You will work with various versions of R libraries that are essential for scalable data science solutions. You will learn to work with Input / Output issues when working with relatively larger dataset. At the end of this book readers will also learn how to work with databases from within R and also what and how meta programming helps in developing applications. Style and approach This book will be a companion for R programmer and emerging developers in R programming areas. This book will contain recipes related to advanced R programming which will enable users to solve complex problems efficiently.

Speed up the software delivery process and software productivity using the latest features of Jenkins About This Book ? Take advantage of a Continuous Integration and Continuous Delivery solution to speed up productivity and achieve faster software delivery ? See all the new features introduced in Jenkins 2.x, such as Pipeline as code, Multibranch pipeline, Docker Plugin, and more ? Learn to implement Continuous Integration and Continuous Delivery by orchestrating multiple DevOps tools using Jenkins Who This Book Is For The book is for those with little or no previous experience with Agile or CI and CD. It’s a good starting point for anyone new to this field who wants to leverage the benefits of CI and CD to increase productivity and reduce delivery time. It’s ideal for Build and Release engineers, DevOps engineers, SCM (Software Configuration Management) engineers, developers, testers, and project managers. If you’re already using Jenkins for CI, you can take your project to the next level—CD. What You Will Learn ? Get to know some of the most popular ways to set up Jenkins ? See all the new features introduced in the latest Jenkins, such as pipeline as code, Multibranch pipeline, and more ? Manage users, projects, and permissions in Jenkins to ensure better security ? Leverage the power of plugins in Jenkins ? Learn how to create a CI pipeline using Jenkins Blue Ocean ? Create a distributed build farm using Docker and use it with Jenkins ? Implement CI and CD using Jenkins ? See the difference between CD and Continuous Deployment ? Understand the concepts of CI In Detail In past few years, agile software development has seen tremendous growth. There is a huge demand for software delivery solutions that are fast yet flexible to numerous amendments. As a result, Continuous Integration (CI) and Continuous Delivery (CD) methodologies are gaining popularity. This book starts off by explaining the concepts of CI and its significance in the Agile. Next, you'll learn how to configure and set up Jenkins in many different ways. The book exploits the concept of "pipeline as code" and various other features introduced in the Jenkins 2.x release to their full potential. We also talk in detail about the new Jenkins Blue Ocean interface and the features that help to quickly and easily create a CI pipeline. Then we dive into the various features offered by Jenkins one by one, exploiting them for CI and CD. Jenkins' core functionality and flexibility allows it to fit in a variety of environments and can help streamline the development process for all stakeholders. Next, you'll be introduced to CD and will learn how to achieve it using Jenkins. Through this book's wealth of best practices and real-world tips, you'll discover how easy it is to implement CI and CD using Jenkins. Style and approach The book uses a simple Maven project to demonstrate the implementation of CI and CD using Jenkins. This step-by-step guide shows you how to implement CI/CD and can be used as a template to perform CI/CD in your projects.

Learn to build professional full-stack web apps with Vue.js and Laravel About This Book ? End-to-end guide on full-stack development with Vue.js 2 and Laravel 5 ? Developing modern user interfaces with a reusable component-based architecture ? Use Webpack to improve applications performance and development workflow ? Explore the features of Vuex to build applications that are powerful, consistent, and maintainable Who This Book Is For This book targets developers who are new to Vue.js, Laravel, or both, and are seeking a practical, best-practice approach to development with these technologies. They must have some knowledge of HTML, CSS and Java*. What You Will Learn ? Core features of Vue.js to create sophisticated user interfaces ? Build a secure backend API with Laravel ? Learn a state-of-the-art web development workflow with Webpack ? Full-stack app design principles and best practices ? Learn to deploy a full-stack app to a cloud server and CDN ? Managing complex application state with Vuex ? Securing a web service with Laravel Passport In Detail Vue is a JavaScript framework that can be used for anything from simple data display to sophisticated front-end applications and Laravel is a PHP framework used for developing fast and secure web-sites. This book gives you practical knowledge of building modern full-stack web apps from scratch using Vue with a Laravel back end. In this book, you will build a room-booking website named "Vuebnb". This project will show you the core features of Vue, Laravel and other state-of-the-art web development tools and techniques. The book begins with a thorough introduction to Vue.js and its core concepts like data binding, directives and computed properties, with each concept being explained first, then put into practice in the case-study project. You will then use Laravel to set up a web service and integrate the front end into a full-stack app. You will be shown a best-practice development workflow using tools like Webpack and Laravel Mix. With the basics covered, you will learn how sophisticated UI features can be added using ES+ syntax and a component-based architecture. You will use Vue Router to make the app multi-page and Vuex to manage application state. Finally, you will learn how to use Laravel Passport for authenticated AJAX requests between Vue and the API, completing the full-stack architecture. Vuebnb will then be prepared for production and deployed to a free Heroku cloud server. Style and approach Learn front-end Vue techniques, back-end Laravel skills, and put them together to build a working application

Written in a step by step tutorial style, learning comes as a result of creating a complete dance music track, along with the explanations that follow each stage. You have a computer and a love for dance and electronic music. Maybe you’ve been to some clubs, and the energy of electronic dance music has you completely under its spell. You see a DJ spinning, and everyone is dancing. It’s infectious. You want to make music that affects people that way. Today the open source community has offered you LMMS. Read this book, and you’ll be shown a process to creating great dance music. This book is going to connect the dots if you have already started making dance music, and provide a very solid foundation if you are just getting started – no matter what your skill level is.

This cookbook follows a problem-solution approach to doing important tasks and is packed with examples accompanied by the necessary code and screenshots. If you are a GIS-related professional with some basic knowledge of web technologies and want to start or gain in-depth knowledge of creating web mapping applications, this book is written for you. The recipes are appropriately mixed to suit JavaScript newbies or experts and cover basic to advanced topics on OpenLayers.

This book is written in Cookbook style with a lot of practical tips, code, and step-by-step examples, to ease and quicken your learning curve. If you are a beginner with jQuery/JavaScript skills, this book offers you numerous examples to get you started. If you are a seasoned developer, this book lets you explore jQuery Mobile in greater depth.

As part of Packt’s cookbook series, this book is packed with practical recipes that will get you working efficiently with Node from the start. Each chapter focuses on a different aspect of working with Node. If you have some knowledge of JavaScript and want to build fast, efficient, scalable client-server solutions, then Node Cookbook is for you. Experienced users of Node will improve their skills although even if you have not worked with Node before, these practical recipes will make it easy to get started.

Accompanied by plenty of tips and tricks, this tutorial style book has ample examples and screenshots to ease your learning curve. If you use Prezi in business and want to take your presentations to the next level, or if you want to become the office Prezi guru, this book is for you.

This book is a step-by-step tutorial that includes complete source code for all of the examples covered. Every chapter builds on top of the previous one thereby giving the reader an immediate feeling of progression. Each block of code is explained, and 3D web development concepts are diagrammed and covered in detail. This book is written for JavaScript developers who are interested in 3D web development. A basic understanding of the DOM object model and the jQuery library is ideal but not required. No prior WebGL knowledge is expected.

The book is written in a cookbook style, presenting examples in the style of recipes, allowing you to go directly to your topic of interest, or follow topics throughout a chapter to gain in-depth knowledge. This book is ideal for anyone who wants to gain the practical knowledge involved in using Sencha Touch mobile web application framework to make attractive web apps for mobiles. If you have some familiarity with HTML and CSS, then this book is for you. This book will give designers the skills they need to implement their ideas, and provide developers with creative inspiration through practical examples. It is assumed that you know how to use touch screens, touch events, WebKit on mobile systems, Apple iOS, and Google Android for Mobiles.

Part of Packt’s Beginner’s Guide series, each chapter follows the creation of a fictional neighbourhood site to demonstrate an aspect of Liferay portal with practical examples, screenshots, and step-by-step instructions. All you need in order to benefit from the Liferay Beginner’s Guide is programming experience. No prior knowledge of Liferay is required, although experienced Liferay portal programmers who need to get up to speed with its latest features will also find this book useful.

Written in a cookbook style, this book offers solutions using a recipe based approach. Each recipe contains step-by-step instructions followed by an analysis of what was done in each task and other useful information. The cookbook approach means you can dive into whatever recipes you want in no particular order. The iPhone Interface Cookbook is written from the ground up for people who are new to iOS or application interface design in general. Each chapter discusses the reasoning and design strategy behind critical interface components, as well as how to best integrate each into any iPhone or iPad application. Detailed and straight-forward recipes help give guidance and build understanding far beyond what is offered through Apple’s Human Interface Guidelines.

Part of Packt's Beginner's Guide series, this book is packed full of practical examples and screenshots to make building your application straightforward and fun. Whether you have prior experience of developing mobile applications or this is your first venture, all newcomers to Rhomobile will be able to quickly develop their own mobile application. This book is accessible for people who are completely new to Ruby, though having prior knowledge of it would be a huge advantage.

Part of Packt's Cookbook series, each chapter focuses on a different aspect of animation. If you don't have the time to work your way through a long tutorial, then this is the book for you. The step-by-step recipes are independent from each other so you can dip in and out of the book to add great effects as and when you need them. Blender users who already know the basics of adding, modeling and rendering objects within the program, but are eager to learn how to turn a character's mesh into a living creature.

Each recipe comprises step-by-step instructions followed by an analysis of what was done in each task and other useful information. The book is designed so that you can read it chapter by chapter, or look at the list of recipes and refer to them in no particular order. It is packed with useful screenshots to make your learning even easier. This book is written for both beginners and developers who have a basic knowledge of Inkscape. With this book illustrators who have just started using Inkscape can quickly dive into the world of Inkscape and graphics editing. Software developers and web designers can learn how to create graphics for their software on their own or build SVG and other web-based interfaces. Users of other graphics editing applications can find out how Inkscape can be used as an alternative to solve common graphics problems.

Written for beginners to Cacti, this book contains step-by-step instructions and hands-on tutorials for network operators to learn how to implement and use the core Cacti functions. The book is designed in such a way that you can explore it chapter-by-chapter or skip any chapter without missing a beat. If you are a network operator and want to use Cacti for implementing performance measurement for trending, troubleshooting, and reporting purposes, then this book is for you. You only need to know the basics of network management and SNMP.

This book is an illustrative how-to guide with many screenshots and examples that helps you to create simple to complex tests and assess them using Moodle. It covers effective usage of tools available in Moodle and offers some Moodle options that you may not have tried yet. It will guide you from the basic philosophy of online testing to creating skill-based assessments in Moodle. If you are a tutor or Moodle Administrator who is responsible for developing and evaluating an online test using Moodle, then this book is for you. This book assumes that you have already successfully installed and set up a Moodle site for teaching.

This step-by-step book gives you an empty shell of an AS3 Facebook RIA, and guides you through writing the Facebook interaction code by means of fun examples, exercises, and code snippets.This beginner's guide focuses on getting you through all the major learning points in a smooth, logical order. You'll also see how to avoid some common pitfalls. If you are an AS3 developer who wants to create applications and games that integrate with Facebook – either on the Facebook website itself or off it, then this book is for you. Even if you have no previous experience with Facebook, databases, or server-side programming , you can count on this book.

Packed with practical examples, this book looks at a different aspect of performance tuning in each chapter and shows the reader how to apply them to their existing Java applications. Written to version 5.1, this book also has information about the upcoming 6.0 release and how you can upgrade your existing applications. This book is for Java architects who design and configure Enterprise applications. It is great for Java developers who want to get into the inner details of the application server and of the correct tuning methodology. Application testers will also find this book useful as they will learn how to monitor the performance of the middleware with the correct instruments.

This book is an example-driven introduction to OGRE 3D. Each example shows some new features and you learn step-by-step to create complex scenes with different effects using OGRE 3D. After several examples discussing one topic there is a do-it-yourself part where you will be challenged to solve problems on your own. If you have ever wanted to develop 3D applications with OGRE 3D, this example-driven book will enable you to do so. Understanding of C++ is needed to follow the examples in the book.

This book has recipes that show enthusiastic users how easy graphic programming can be. Simple explanations in plain English are used. The recipes are built up, in each chapter, starting as simply as possible and moving to more complex programs with which you can comfortably create 2D vector graphics and animations. You will learn how to combine both vector and photo images seamlessly! If you are looking to create animated graphics to represent real-world scenarios then this book is for you. Teachers, scholars, students, and engineers who know it is possible to make fascinating models and demonstrations but have not found a handbook that pulls it all together in one place will find what they need in this recipe bank. Basic knowledge of Python programming is required and access to the Web and Google will be useful.