This book is part of the Packt Beginner's Guide series. Written in an engaging style, it offers step-by-step examples with screenshots at key steps and clear explanation of what is happening in each task. This book is written for both Beginners and Developers who want to learn this multi-platform programming language to build web applications from scratch.

This hands-on guide cuts short the preamble and gets straight to the point – actually creating graphics, instead of just theoretical learning. Each recipe is specifically tailored to satisfy your appetite for producing real-time 3-D graphics using GLSL 4.0. If you are an OpenGL programmer looking to use the modern features of GLSL 4.0 to create real-time, three-dimensional graphics, then this book is for you. Familiarity with OpenGL programming, along with the typical 3D coordinate systems, projections, and transformations is assumed. It can also be useful for experienced GLSL programmers who are looking to implement the techniques that are presented here.

This practical, step-by-step guide follows the process of moving a sample Enterprise .NET application to the Amazon Cloud. Companies that have designed, developed, and hosted applications based on the Microsoft .NET technology stack should not miss out on this book. If you are looking to expand into using the vast array of services available on the Amazon Cloud but are unsure how to proceed, then this will help to get you on your way. Administrators or developers managing such applications should have basic experience of the platform and the web servers that thay are intending to move to Amazon. No knowledge of AWS is required.

This is a practical, step-by-step guide that will help you to quickly become a proficient Octave user. The book is packed with clear examples, screenshots, and code to carry out your data analysis without any problems. This book is intended for anyone interested in scientific computing and data analysis. The reader should have a good level of mathematics and a basic understanding of programming will be useful, although it is not a prerequisite.

Follow the creation of a History course with lots of practical examples and screenshots. Each chapter builds on the course and takes you through a different aspect of teaching history using Moodle. All exercises in the book relate to different periods of history and are suitable for all students of high-school age. This book is for history teachers who would like to enhance their lessons using Moodle. It doesn't matter if you haven't used Moodle before; as long as someone has set it up for you, you can get started with the exercises in the book straightaway.

This is a comprehensive essential guide to WordPress security written in a light style, which converts learning a really serious topic to an enjoyable read. It is packed with copy-paste solutions to security to suit all levels of security know-how. Just as WordPress is used by a broad spectrum of website owners, with varying degrees of security know-how, so WordPress 3 Ultimate Security is written to be understood by security novices and web professionals alike. From site and server owners and administrators to members of their contributing team, this essential A to Z reference takes a complex and, let's face it, frankly dull subject and makes it accessible, encouraging, and sometimes even fun. Even if you are a total newbie to security, you can transform an insecure site into an iron-clad fortress, safeguarding your site users, your content and, sooner or later, your stress level.

This book is for Python programmers who want to quickly get to grips with using the NLTK for Natural Language Processing. Familiarity with basic text processing concepts is required. Programmers experienced in the NLTK will also find it useful. Students of linguistics will find it invaluable.

This book is for Sysadmins, Database Administrators, Architects, Developers, and anyone with an interest in planning for or running live production databases. The book assumes that you are familiar with the basic operation of PostgreSQL.

A practical, focused tutorial, this book will show you how to use Oracle Enterprise Manager Grid Control 11g R1 to deliver Business Service Management (BSM). Best practices cutting across multiple product verticals like Database, Middleware, Packaged Applications, and Custom Business Services are also covered. If you are a System Administrator or Application Administrator who is responsible for Business Service Management (BSM) using Oracle Enterprise Manager Grid Control 11g R1, then this book is for you. You need basic knowledge of Middleware/Application Servers, Business Service Management, and Oracle Enterprise Manager Grid Control.

This easy-to-understand tutorial covers Oracle Warehouse Builder from the ground up, and taps into the author's wide experience as a software and database engineer. Written in a relaxed style with step-by-step explanations, lots of screenshots are provided throughout the book. There are numerous tips and helpful hints throughout that are not found in the original documentation. By following this book, you can use Oracle Warehouse Builder in the best possible way and maximize your learning potential. This book is an update of Oracle Warehouse Builder 11g: Getting Started. This book is a good starting point for database engineers, administrators, and architects who are responsible for data warehouse projects and need to design them and load data into them. If you are someone who wants to learn Oracle Warehouse Builder and expand your knowledge of the tool and data warehousing, this is an ideal book for you. No prior data warehouse or database experience is presumed. All new database and data warehouse technical terms and concepts explained in clear easy-to-understand language.

This is a practical, hands-on book based around sound SEO techniques specifically applied to WordPress. Each chapter starts with a brief overview of the important concepts then quickly moves into practical step-by-step actions you can take immediately. Throughout the book, you'll get clear instructions and detailed screenshots, so you can see exactly what to do each step of the way. This book is written for anyone using WordPress, ranging from owners of business sites to website developers and blog owners. Any WordPress user who wants to sell products or services, or send out a message to the world will find that getting better rankings in the search engines will help them reach their goal faster. Some prior knowledge of WordPress is expected but no prior knowledge of search engine optimization is needed for this book. Readers will get a deeper level of knowledge on how to make their website rank better and attract more visitors.

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.

The book follows an unfolding example app, exploring the features and principles of Core Data as they are added to the app. The book is full of step-by-step instructions, clear explanations, and useful quick reference material. If you've already explored iOS development and maybe even dabbled with Core Data, this book will set your data-driven application development on a firm footing.

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 is both a practical and theoretical guide detailing how to deploy a successful ProVisionstrategy, using a number of real business cases along the way. Unlike other architecture books, the approach is holistic - it looks at the whole lifecycle of building a business case, through to using the product. It combines a detailed understanding of the ProVisiontoolset with a practical grasp of the business issues that affect the implementation of a successful strategy. If you are a business architect or CIO in a large organization who wants to implement a successful strategy using Open Text ProVision?, then this book is for you. It will also be of interest if you are an enterprise designer or architect. It might be that you already have working knowledge of ProVision?, but do not yet have the skill to implement it in the right context; this book will help you get there.

This is a beginner's guide with the essential screenshots and clearly explained code, which also serves as a reference. This book is for anyone who has any interest in using maps on their website, from hobbyists to professional web developers. OpenLayers provides a powerful, but easy-to-use, pure JavaScript and HTML (no third-party plug-ins involved) toolkit to quickly make cross-browser web maps. A basic understanding of JavaScript will be helpful, but there is no prior knowledge required to use this book. If you've never worked with maps before, this book will introduce you to some common mapping topics and gently guide you through the OpenLayers library. If you're an experienced application developer, this book will also serve as a reference to the core components of OpenLayers.

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.

This is a beginner's guide – a hand-holding fun ride with step-by-step instructions and illustrative screenshots.If you want to write a professional * or screenplay using the open source tool Celtx, this book is for you. You need not have any previous knowledge of Celtx or any other writing software.

Written in cookbook style, this book offers learning and techniques through recipes. It contains step-by-step instructions for CakePHP developers to create unique web applications. The book is designed in such a way that you can refer to things chapter by chapter, and read them in no particular order.If you are a CakePHP developer who wants to discover quick and easy ways to improve web applications, and to leverage all aspects of the framework, this book is for you. This book assumes that you already have knowledge of CakePHP, and general PHP development skills.

Explore and master modern JavaScript techniques in order to build large-scale web applicationsAbout This BookWrite powerful code with the high-level functions that JavaScript offersTest and debug issues with JavaScript code using various modern mechanismsOffers an expert's eye on the latest ES6 features and how these advanced tasks fit together in JavaScript as a wholeWho This Book Is ForThis book is ideal for web developers who are looking to master modern JavaScript concepts and design principles. You should already have an intermediate level of JavaScript knowledge before starting this book.What You Will LearnGet a run through of the basic JavaScript language constructsGet familiar with the Functions and Closures of JavaScriptExplore Regular Expressions in JavaScriptCode using the powerful object-oriented feature in JavaScriptTest and debug your code using JavaScript strategiesMaster DOM manipulation, cross-browser strategies, and ES6Understand the basic concurrency constructs in Java* and best performance strategiesLearn to build scalable server application in JavaScript using Node.jsIn DetailJavaScript is a high-level, dynamic, untyped, lightweight, and interpreted programming language. Along with HTML and CSS, it is one of the three essential technologies of World Wide Web content production, and is an open source and cross-platform technology. The majority of websites employ JavaScript, and it is well supported by all modern web browsers without plugins. However, the JavaScript landscape has changed dramatically in recent years, and you need to adapt to the new world of JavaScript that people now expect. Mastering modern JavaScript techniques and the toolchain are essential to develop web-scale applications.Mastering JavaScript will be your companion as you master JavaScript and build innovative web applications. To begin with, you will get familiarized with the language constructs and how to make code easy to organize. You will gain a concrete understanding of variable scoping, loops, and best practices on using types and data structures, as well as the coding style and recommended code organization patterns in JavaScript. The book will also teach you how to use arrays and objects as data structures. You will graduate from intermediate-level skills to advanced techniques as you come to understand crucial language concepts and design principles. You will learn about modern libraries and tools so you can write better code.By the end of the book, you will understand how reactive JavaScript is going to be the new paradigm.Style and approachThis is a comprehensive guide with a clear focus on practical use cases and patterns. Each chapter consists of best practices, useful advice, and a bunch of easy-to-follow examples that will build up your skills as you advance through the book.

Create high availability clusters to enhance system performance using CentOS 7About This BookMaster the concepts of high performance and high availability to eliminate performance bottlenecksMaximize the uptime of services running in a CentOS 7 clusterA step-by-step guide that will provide knowledge of methods and approaches to optimize the performance of CentOS clustersWho This Book Is ForThis book is targeted at system administrators: those who want a detailed, step-by-step guide to learn how to set up a high-availability CentOS 7 cluster, and those who are looking for a reference book to help them learn or refresh the necessary skills to ensure their systems and respective resources are utilized optimally. No previous knowledge of high-availability systems is needed, though the reader is expected to have at least some degree of familiarity with any spin-off of the Fedora family of Linux distributions, preferably CentOS.What You Will LearnInstall a CentOS 7 cluster and network infrastructureConfigure firewall, networking, and clustering services and settingsSet up and test a HAC (high-availability cluster) to host an Apache web server and a MariaDB database serverMonitor performance and availabilityIdentify bottlenecks and troubleshoot issuesImprove performance and ensure high availabilityIn DetailCentOS is the enterprise level Linux OS, which is 100% binary compatible to Red Hat Enterprise Linux (RHEL). It acts as a free alternative to RedHat's commercial Linux offering, with only a change in the branding. A high performance cluster consists in a group of computers that work together as one set parallel, hence minimizing or eliminating the downtime of critical services and enhancing the performance of the application.Starting with the basic principles of clustering, you will learn the necessary steps to install a cluster with two CentOS 7 servers. We will then set up and configure the basic required network infrastructure and clustering services. Further, you will learn how to take a proactive approach to the split-brain issue by configuring the failover and fencing of the cluster as a whole and the quorum of each node individually. Further, we will be setting up HAC and HPC clusters as a web server and a database server. You will also master the art of monitoring performance and availability, identifying bottlenecks, and exploring troubleshooting techniques.At the end of the book, you’ll review performance-tuning techniques for the recently installed cluster, test performance using a payload simulation, and learn the necessary skills to ensure that the systems, and the corresponding resources and services, are being utilized to their best capacity.Style and approachAn easy-to-follow and step-by-step guide with hands-on instructions to set up real-world simple cluster scenarios that will start you on the path to building more complex applications on your own.