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Troubleshooting CentOS

by Jonathan Hobson

It is assumed that you will already have a server up and running, you have a good working knowledge of CentOS, and you are comfortable with the concept of working with those services used by your server.

Nginx Troubleshooting

by Alex Kapranoff

Investigate and solve problems with Nginx-powered websites using a deep understanding of the underlying principles About This Book * Solve problems with your Nginx-powered websites before your audience notices anything * Peek into the Nginx architecture and gain knowledge that will help you be valuable to you in the long run * Gain knowledge of different types of problems in a step-by-step way Who This Book Is For The book is for technical specialists who already use Nginx to serve web pages for their users. Whether you are an experienced system administrator or a new professional, this book will help you do your job in the most efficient way. What You Will Learn * Detect and investigate problems with your web servers * Create correct and professional configuration files * Get an in-depth understanding of the web server software * Interpret Nginx log files easily and with actionable insights * Make your websites respond as fast as possible * Prevent problems by setting up proper monitoring and alerts In Detail Nginx is clearly winning the race to be the dominant software to power modern websites. It is fast and open source, maintained with passion by a brilliant team. This book will help you maintain your Nginx instances in a healthy and predictable state. It will lead you through all the types of problems you might encounter as a web administrator, with a special focus on performance and migration from older software. You will learn how to write good configuration files and will get good insights into Nginx logs. It will provide you solutions to problems such as missing or broken functionality and also show you how to tackle performance issues with the Nginx server. A special chapter is devoted to the art of prevention, that is, monitoring and alerting services you may use to detect problems before they manifest themselves on a big scale. The books ends with a reference to error and warning messages Nginx could emit to help you during incident investigations. Style and approach This comprehensive tutorial on Nginx troubleshooting takes an practical approach to guiding you through common issues in Nginx server.

Mastering Android NDK

by Viktor Latypov Sergey Kosarevsky

Master the skills you need to develop portable, highly-functional Android applications using NDK About This Book * Develop portable games using Android NDK and debug them on your desktop * Familiarise yourself with different popular C++ libraries on Android and use them in your games * Write multi-threaded code with graphics, sound, networking, and resource storage Who This Book Is For If you want to leverage your C++ skills in mobile development and increase the performance of your Android applications, then this is the book for you. Knowledge of C or C++ is assumed, including pointer manipulation, multi-threading, object-oriented programming concepts, and the basics of C++11. It would be an added advantage if you know how to develop applications without any IDE. What You Will Learn * Explore different popular C++ libraries and import some of them to Android * Write portable, multithreaded native code * Create applications that play audio with OpenAL * Implement gesture recognition in your games and applications * Debug mobile applications on your desktop * Extract resources from APK archives * Render text with FreeType and also use OpenGL ES In Detail Android NDK is used for multimedia applications that require direct access to system resources. NDK is also the key for portability, which in turn allows a reasonably comfortable development and debugging process using familiar tools such as GCC and Clang toolchains. This is a hands-on guide to extending your game development skills with Android NDK. The book takes you through many clear, step-by-step example applications to help you further explore the features of Android NDK and some popular C++ libraries and boost your productivity by debugging the development process. Through the course of this book, you will learn how to write portable multi-threaded native code, use HTTP networking in C++, play audio files, use OpenGL ES 3, and render high-quality text. Each chapter aims to take you one step closer to building your application. By the end of this book, you will be able to create an engaging, complete gaming application. Style and approach This book adopts a step-by-step approach and each chapter is based on the material from the previous ones. The book focuses on putting to your knowledge of C++ use while you develop Android applications of your own.

Learning PowerShell DSC

by James Pogran

Get started with the fundamentals of PowerShell DSC and utilize its power to automate deployment and configuration of your serversAbout This BookCreate flexible and maintainable deployments using DSC configuration scripts that stand the test of timeExplore the in depth details of the core architecture, concepts, and practices used by PowerShell DSCA step-by-step guide that shows you how to start using and taking advantage of PowerShell DSCWho This Book Is ForThis book is intended for system administrators, developers, or engineers who are responsible for configuration management and automation and wish to learn PowerShell Desired State Configuration for efficient management, configuration and deployment of systems and applications.What You Will LearnUnderstand configuration management and why you need itCraft flexible, reusable, and maintainable configuration scripts for thousands of serversCreate custom DSC resources to manage any application or server settingApply configuration data to deploy applications to different environmentsUtilize DSC push deployments to test your configuration scripts and custom DSC resourcesInstall, configure and use DSC pull serversRun a Windows MSI packageDeploy a websiteIn DetailWindows PowerShell is a task-based command-line shell and scripting language designed especially for system administration. PowerShell DSC is a new management platform that enables you to deploy and manage configuration data for software services and manage the environment in which these services run.This book begins with an overview of the basics of PowerShell DSC by covering the architecture and components of the Desired Sate Configuration. It will then familiarize you with the set of PowerShell language extensions and new PowerShell commands. It will help you understand and create DSC configurations with the help of practical examples, and to create DSC custom resources for your custom applications. Finally, you will learn to deploy a real world application using PowerShell DSC. By the end of the book, you will have better knowledge about the powerful Desired State Configuration platform, which helps you to achieve continuous delivery, and efficient management and easy deployment of data for systems.Style and approachThis book is an in-depth guide to using PowerShell DSC, full of real-world experiences and best practices using PowerShell DSC. The topics are explained and build on one another other to provide a holistic learning experience. At the end, all the features learned will be used to create a real world application deployment using DSC.

Internet of Things with Arduino Blueprints

by Pradeeka Seneviratne

Develop interactive Arduino-based Internet projects with Ethernet and WiFiAbout This BookBuild Internet-based Arduino devices to make your home feel more secureLearn how to connect various sensors and actuators to the Arduino and access data from InternetA project-based guide filled with schematics and wiring diagrams to help you build projects incrementallyWho This Book Is ForThis book is intended for those who want to learn more about Arduino and make Internet-based interactive projects with Arduino. If you are an experienced software developer who understands the basics of electronics, then you can quickly learn how to build the Arduino projects explained in this book.What You Will LearnMake a powerful Internet controlled relay with an embedded web server to monitor and control your home electrical appliancesBuild a portable Wi-Fi signal strength sensor to give haptic feedback about signal strength to the userMeasure water flow speed and volume with liquid flow sensors and record real-time readingsSecure your home with motion-activated Arduino security cameras and upload images to the cloudImplement real-time data logging of a solar panel voltage with Arduino cloud connectorsTrack locations with GPS and upload location data to the cloudControl a garage door light with your Twitter feedControl infrared enabled devices with IR remote and ArduinoIn DetailArduino is a small single-chip computer board that can be used for a wide variety of creative hardware projects. The hardware consists of a simple microcontroller, board, and chipset. It comes with a Java-based IDE to allow creators to program the board. Arduino is the ideal open hardware platform for experimenting with the world of the Internet of Things. This credit card sized Arduino board can be used via the Internet to make more useful and interactive Internet of things projects.Internet of Things with Arduino Blueprints is a project-based book that begins with projects based on IoT and cloud computing concepts. This book covers up to eight projects that will allow devices to communicate with each other, access information over the Internet, store and retrieve data, and interact with users--creating smart, pervasive, and always-connected environments. It explains how wired and wireless Internet connections can be used with projects and the use of various sensors and actuators. The main aim of this book is to teach you how Arduino can be used for Internet-related projects so that users are able to control actuators, gather data from various kinds of sensors, and send and receive data wirelessly across HTTP and TCP protocols.Finally, you can use these projects as blueprints for many other IoT projects and put them to good use. By the end of the book, you will be an expert in the use of IoT with Arduino to develop a set of projects that can relate very well to IoT applications in the real world.Style and approachEvery chapter in this book clearly explains how to assemble components through easy-to-follow steps on while laying out important concepts, code snippets, and expected output results so that you can easily end up with a successful project where you can also enhance or modify the project according to your requirements.

Disaster Recovery Using VMware vSphere Replication and vCenter Site Recovery Manager - Second Edition

by Abhilash G B

Learn to bake in disaster recovery readiness for your vSphere Infrastructure using vCenter SRM 6.1, leveraging array-based replication and vSphere Replication 6.1 About This Book * This is the first book on the market that provides an extensive disaster recovery solution using the latest vSphere Replication and vCenter Site Recovery Manager * Master the skills of protecting your virtual machines by replicating and recovering them in seconds * This practical, step-by-step guide will help you protect all your applications with Site Recovery Manager and Replication Who This Book Is For If you are a system administrator who is looking for a disaster recovery solution using the latest VMware vSphere Replication and vCenter Site Recovery Manager, this book is perfect for you. You should have a basic knowledge of virtual machines and data center operations. What You Will Learn * Familiarize yourself with disaster recovery concepts and the architecture of vCenter Site Recovery Manager and vSphere Replication. * Deploy and Configure vCenter Site Recovery Manager to leverage array-based replication and vSphere Replication. * Use vSphere Replication as a standalone disaster recovery solution. * Enabling protection of Virtual Machines by creating Protection Groups. * Enable orchestration of the recovery of protected virtual machines by creating Recovery Plans. * Migrate virtual machine workload from one site to another using Recovery Plans * Testing and Performing a failover or failback of Virtual Machines using Recovery Plans * Enable vRealize Orchestrator Plugins for SRM and vSphere Replication. In Detail VMware vCenter Site Recovery manage is an orchestration tool used to automate disaster recovery in a manner that no other solution does. It is programmed to leverage array-based replication and VMware's proprietary vSphere Replication engine. The book begins by talking about the architecture of SRM and guides you through the procedures involved in installing and configuring SRM to leverage array-based replication. You will then learn how to protect your virtual machines by creating Protection Groups and validate their recoverability by testing recovery plans and even performing failover and failback. Moving on, you will learn how to install and configure vSphere Replication as a standalone disaster recovery solution. It also guides you through the procedures involved in configuring SRM to leverage vSphere replication. Finally, you will learn how to deploy and configure vRealize Orchestrator and its plugin for SRM and vSphere Replication. Style and approach This is a practical, step-by-step guide on implementing a disaster recovery solution for your organization using VMware vSphere Replication and vCenter Site Recovery Manager.

Learning Shiny

by Hernan G Resnizky

If you are a data scientist who needs a platform to show your results to a broader audience in an attractive and visual way, or a web developer with no prior experience in R or Shiny, this is the book for you.

Building Levels in Unity

by Volodymyr Gerasimov

The book is aimed at game artists with no past programming experience who are interested in designing levels in Unity. It does not assume detailed knowledge of similar game platforms.

OpenStack Networking Cookbook

by Sriram Subramanian Chandan Dutta Chowdhury

This book is aimed at network and system administrators who want to deploy and manage OpenStack-based cloud and IT infrastructure. If you have basic knowledge of OpenStack and virtualization, this book will help you leverage the rich functionality of OpenStack Networking in your cloud deployments.

Practical XMPP

by Lloyd Watkin David Koelle

Unleash the power of XMPP in order to build exciting, real-time, federated applications based on open standards in a secure and highly scalable fashion About This Book * Learn about the fundamentals of XMPP and be able to work with the core functionality both server-side and in the browser * Build a simple 1-to-1 chat (the "Hello World" of XMPP), explore multi-user chat, publish subscribe systems, and work with a decentralized social network * Author Lloyd Watkins is a member of the XMPP standards committee Who This Book Is For If you want to learn about the fundamentals of XMPP, be able to work with the core functionality both server-side and in the browser then this book is for you.No knowledge of XMPP is required, or of TCP/IP networking. It's important that you already know how to build applications of some form, and are looking get a better understanding of how to implement XMPP for one or more of its many uses. You should be interested in the decentralized web, know HTML, and likely know JavaScript and NodeJS. You will probably know JSON, and hopefully XML (this is the native output of XMPP). What You Will Learn * Install and configure an XMPP server and use it to connect from a traditional desktop client and send a message * Build a simple server-side application that will respond to messages from our logged in desktop client * Install and run XMPP-FTW, connect to the server from the browser, and handle incoming/outgoing messages * Connect to a multi-user chat room, send/receive stanzas, add a room password, join a protected room, set the room's subject, and change a user's affiliation * Get to grips with the publish-subscribe extension of XMPP and use it to build a pusher system that can make any website real-time * Build a simple XMPP component and create an extension for XMPP-FTW that allows you to use your own custom format * Build an XMPP version of the classic game "Pong" In Detail XMPP (eXtensible Messaging and Presence Protocol) is a messaging protocol that enables communication between two or more devices via the Internet. With this book, developers will learn about the fundamentals of XMPP, be able to work with the core functionality both server-side and in the browser, as well as starting to explore several of the protocol extensions. You will not only have a solid grasp of XMPP and how it works, but will also be able to use the protocol to build real-world applications that utilize the power of XMPP. By the end of this book, you will know more about networking applications in general, and have a good understanding of how to extend XMPP, as well as using it in sample applications. Style and approach Through a number of hands-on projects, this book shows you how to build usable applications that highlights a feature of XMPP.

Learning Network Forensics

by Samir Datt

Identify and safeguard your network against both internal and external threats, hackers, and malware attacks About This Book * Lay your hands on physical and virtual evidence to understand the sort of crime committed by capturing and analyzing network traffic * Connect the dots by understanding web proxies, firewalls, and routers to close in on your suspect * A hands-on guide to help you solve your case with malware forensic methods and network behaviors Who This Book Is For If you are a network administrator, system administrator, information security, or forensics professional and wish to learn network forensic to track the intrusions through network-based evidence, then this book is for you. Basic knowledge of Linux and networking concepts is expected. What You Will Learn * Understand Internetworking, sources of network-based evidence and other basic technical fundamentals, including the tools that will be used throughout the book * Acquire evidence using traffic acquisition software and know how to manage and handle the evidence * Perform packet analysis by capturing and collecting data, along with content analysis * Locate wireless devices, as well as capturing and analyzing wireless traffic data packets * Implement protocol analysis and content matching; acquire evidence from NIDS/NIPS * Act upon the data and evidence gathered by being able to connect the dots and draw links between various events * Apply logging and interfaces, along with analyzing web proxies and understanding encrypted web traffic * Use IOCs (Indicators of Compromise) and build real-world forensic solutions, dealing with malware In Detail We live in a highly networked world. Every digital device--phone, tablet, or computer is connected to each other, in one way or another. In this new age of connected networks, there is network crime. Network forensics is the brave new frontier of digital investigation and information security professionals to extend their abilities to catch miscreants on the network. The book starts with an introduction to the world of network forensics and investigations. You will begin by getting an understanding of how to gather both physical and virtual evidence, intercepting and analyzing network data, wireless data packets, investigating intrusions, and so on. You will further explore the technology, tools, and investigating methods using malware forensics, network tunneling, and behaviors. By the end of the book, you will gain a complete understanding of how to successfully close a case. Style and approach An easy-to-follow book filled with real-world case studies and applications. Each topic is explained along with all the practical tools and software needed, allowing the reader to use a completely hands-on approach.

Rust Essentials

by Ivo Balbaert

This book is intended for software developers interested in systems level and application programming, and are looking for a quick entry into using Rust and understanding the core features of the framework. It is assumed that you have a basic understanding of Java, C#, Ruby, Python or JavaScript.

ASP.NET jQuery Cookbook - Second Edition

by Sonal Aneel Allana

Over 60 recipes for writing client script in ASP.NET 4.6 applications using jQuery About This Book * This is a step-by-step guide to solve common problems in ASP.NET applications * Easy-to-follow recipes to write client scripts effortlessly and quickly * A hands-on approach that will show you how to interface jQuery with ASP.NET websites and MVC Who This Book Is For This book is for ASP.NET developers who want to use jQuery to write client scripts for cross-browser compatibility. The book assumes no prior knowledge of ASP.NET or jQuery, and every recipe is self-contained and explained in an easy-to-follow manner. Familiarity with Visual Studio and MS SQL Server is preferred, but not compulsory. What You Will Learn * Download and include jQuery in ASP.NET websites and MVC * Use jQuery selectors with ASP.NET server controls * Get to know about event handling and DOM traversal * Deploy jQuery for visual effects and animations * Develop AJAX-enabled ASP.NET applications * Create your own plugins * Solve common problems using less code and cut down your development time In Detail jQuery is a lightweight JavaScript library that has changed the landscape of client scripting in web applications. Developed by John Resig in 2006, it has taken the web by storm because of its cross-browser compatibility and the ability to get more done with less code. It has gained popularity with ASP.NET developers and is now distributed with Visual Studio and the NuGet package manager. ASP.NET jQuery Cookbook explores the wide range of utilities that the jQuery library provides. It teaches you the nitty-gritty of plugging in these features in ASP.NET web applications. It covers every aspect of interfacing the library, right from downloading and including jQuery on web pages to selecting controls, handling events, and creating animations. This book also walks you through DOM traversal and manipulation in ASP.NET and then through visual effects and graphics in ASP.NET sites. It explores advanced features such as posting AJAX requests and writing plugins. It will provide you with all the information you need to use this library confidently with ASP.NET. Style and approach This book takes a hands-on, pragmatic approach to solving common problems in ASP.NET applications using jQuery. Every recipe has detailed steps with screen captures and code snippets. The necessary theoretical concepts are introduced as and when needed.

Elasticsearch for Hadoop

by Vishal Shukla

Integrate Elasticsearch into Hadoop to effectively visualize and analyze your dataAbout This BookBuild production-ready analytics applications by integrating the Hadoop ecosystem with ElasticsearchLearn complex Elasticsearch queries and develop real-time monitoring Kibana dashboards to visualize your dataUse Elasticsearch and Kibana to search data in Hadoop easily with this comprehensive, step-by-step guideWho This Book Is ForThis book is targeted at Java developers with basic knowledge on Hadoop. No prior Elasticsearch experience is expected.What You Will LearnSet up the Elasticsearch-Hadoop environmentImport HDFS data into Elasticsearch with MapReduce jobsPerform full-text search and aggregations efficiently using ElasticsearchVisualize data and create interactive dashboards using KibanaCheck and detect anomalies in streaming data using Storm and ElasticsearchInject and classify real-time streaming data into ElasticsearchGet production-ready for Elasticsearch-Hadoop based projectsIntegrate with Hadoop eco-system such as Pig, Storm, Hive, and SparkIn DetailThe Hadoop ecosystem is a de-facto standard for processing terra-bytes and peta-bytes of data. Lucene-enabled Elasticsearch is becoming an industry standard for its full-text search and aggregation capabilities. Elasticsearch-Hadoop serves as a perfect tool to bridge the worlds of Elasticsearch and Hadoop ecosystem to get best out of both the worlds. Powered with Kibana, this stack makes it a cakewalk to get surprising insights out of your massive amount of Hadoop ecosystem in a flash.In this book, you'll learn to use Elasticsearch, Kibana and Elasticsearch-Hadoop effectively to analyze and understand your HDFS and streaming data.You begin with an in-depth understanding of the Hadoop, Elasticsearch, Marvel, and Kibana setup. Right after this, you will learn to successfully import Hadoop data into Elasticsearch by writing MapReduce job in a real-world example. This is then followed by a comprehensive look at Elasticsearch essentials, such as full-text search analysis, queries, filters and aggregations; after which you gain an understanding of creating various visualizations and interactive dashboard using Kibana. Classifying your real-world streaming data and identifying trends in it using Storm and Elasticsearch are some of the other topics that we'll cover. You will also gain an insight about key concepts of Elasticsearch and Elasticsearch-hadoop in distributed mode, advanced configurations along with some common configuration presets you may need for your production deployments. You will have "Go production checklist" and high-level view for cluster administration for post-production. Towards the end, you will learn to integrate Elasticsearch with other Hadoop eco-system tools, such as Pig, Hive and Spark.Style and approachA concise yet comprehensive approach has been adopted with real-time examples to help you grasp the concepts easily.

Amazon EC2 Cookbook

by Aurobindo Sarkar Sekhar Reddy Mandapati

This book is targeted at Cloud-based developers who have prior exposure to AWS concepts and features. Some experience in building small applications and creating some proof-of-concept applications is required.

Getting Started with Meteor.js JavaScript Framework - Second Edition

by Isaac Strack

This book is for developers or students who have a working knowledge of JavaScript and HTML, and want to learn how to quickly develop full-stack web applications using pure JavaScript.

Application Development with Swift

by Hossam Ghareeb

If you are iOS developer with experience in Objective-C, and wish to develop applications with Swift, then this book is ideal for you. Familiarity with the fundamentals of Swift is an added advantage but not a necessity.

Learning iOS UI Development

by Yari D'Areglia

Implement complex iOS user interfaces with ease using Swift About This Book * Build compelling user interfaces that users will enjoy using the iOS UIKit framework * Make your iOS apps easily recognizable and familiar with the UIKit framework * Use this comprehensive, step-by-step guide to create a complete custom layout Who This Book Is For This easy-to-follow guide is perfect for beginner-level iOS developers who want to become proficient in user interface development. It would also be useful for experienced iOS developers who need a complete overview of this broad topic all in one place, without having to consult various sources. What You Will Learn * Understand the basic requirements to work with iOS user interfaces * Get to know about the UI tools, frameworks, and built-in components * Plot dynamic layout structures using Auto Layout * Shape and implement adaptive user interfaces for different screen sizes * Draw and animate your user interfaces using the CALayer and UIKit animations * Intercept and handle user touches to create user interface interactivity * Create and depict totally custom controls * Design with iOS through Core Graphics In Detail Through this comprehensive one-stop guide, you'll get to grips with the entire UIKit framework and in a flash, you'll be creating modern user interfaces for your iOS devices using Swift. Starting with an overview of the iOS drawing system and the available tools, you will then learn how to use these technologies to create adaptable layouts and custom elements for your applications. Next, you'll be introduced to other topics such as animation and code-drawing with Core Graphics, which will give you all the knowledge you need to create astonishing user interfaces. By the end of this book, you will have a solid foundation in iOS user interface development and will have gained valuable insights on the process of building firm and complex UIs. Style and approach This concise yet information-packed guide is full of step-by-step instructions and screenshots of real-life examples, delivered in a direct manner, to get you creating modern user interfaces for your iOS devices using SWIFT in no time.

Learning Reactive Programming with Java 8

by Nickolay Tsvetinov

If you are a Java developer that knows how to write software and would like to learn how to apply your existing skills to reactive programming, this book is for you.

Unreal Engine Lighting and Rendering Essentials

by Muhammad A. Moniem

Learn the principles of lighting and rendering in the Unreal Engine About This Book * Get acquainted with the concepts of lighting and rendering specific to Unreal * Use new features such as Realistic Rendering and Foliage Shading to breathe new life into your projects * A fast-paced guide to help you learn lighting and rendering concepts in Unreal Who This Book Is For This book is meant for game developers with knowledge of Unreal Engine and a basic understanding of lighting and rendering systems in it. As a prerequisite, you need to have good knowledge of C++. What You Will Learn * Use features such as realistic Rendering and Foliage Shading to create high quality output * Create and edit your materials using the Material Editor * Use Cascade's particle editor to create modular particle-based effects using emitters * Explore Unreal's GPU Visualizer * Tweak the overall look and feel of your scene with post-process effects * Create charts to get stat unit times over a long period of time * Use scalability settings to maintain performance for your games on different platforms and hardware In Detail Unreal Engine is a powerful game development engine that provides rich functionalities to create 2D and 3D games. Developers have the opportunity to build cross-platform mobile and desktop games from scratch. Unreal Engine enables users to create high quality games that focus on individual complexities of game development. This book provides you with the skills required to apply a high level of visual appeal to your games without compromising on performance. Starting with an introduction to the rendering system, you will learn to create different types of materials using the Material Editor. You will then create a particle system based on Cascade editor to create mind-blowing visual effects. Moving on, you will learn the concept of lights in Unreal and different types of dynamic/real-time lights, along with a number of powerful post processing effects. Next, you will learn to improve rendering performance, keeping in mind the rendering limitations for different platforms. At the end of the book, we will discuss the scalability settings menu, and how to add realistic fog effects based on the requirements of your game or level. Style and approach A fast-paced guide filled with hands-on examples to teach you the principles of lighting and rendering in Unreal.

Advanced Oracle PL/SQL Developer's Guide - Second Edition

by Saurabh K. Gupta

Master the advanced concepts of PL/SQL for professional-level certification and learn the new capabilities of Oracle Database 12c About This Book * Learn advanced application development features of Oracle Database 12c and prepare for the 1Z0-146 examination * Build robust and secure applications in Oracle PL/SQL using the best practices * Packed with feature demonstrations and illustrations that will help you learn and understand the enhanced capabilities of Oracle Database 12c Who This Book Is For This book is for Oracle developers responsible for database management. Readers are expected to have basic knowledge of Oracle Database and the fundamentals of PL/SQL programming. Certification aspirants can use this book to prepare for 1Z0-146 examination in order to be an Oracle Certified Professional in Advanced PL/SQL. What You Will Learn * Learn and understand the key SQL and PL/SQL features of Oracle Database 12c * Understand the new Multitenant architecture and Database In-Memory option of Oracle Database 12c * Know more about the advanced concepts of the Oracle PL/SQL language such as external procedures, securing data using Virtual Private Database (VPD), SecureFiles, and PL/SQL code tracing and profiling * Implement Virtual Private Databases to prevent unauthorized data access * Trace, analyze, profile, and debug PL/SQL code while developing database applications * Integrate the new application development features of Oracle Database 12c with the current concepts * Discover techniques to analyze and maintain PL/SQL code * Get acquainted with the best practices of writing PL/SQL code and develop secure applications In Detail Oracle Database is one of the most popular databases and allows users to make efficient use of their resources and to enhance service levels while reducing the IT costs incurred. Oracle Database is sometimes compared with Microsoft SQL Server, however, Oracle Database clearly supersedes SQL server in terms of high availability and addressing planned and unplanned downtime. Oracle PL/SQL provides a rich platform for application developers to code and build scalable database applications and introduces multiple new features and enhancements to improve development experience. Advanced Oracle PL/SQL Developer's Guide, Second Edition is a handy technical reference for seasoned professionals in the database development space. This book starts with a refresher of fundamental concepts of PL/SQL, such as anonymous block, subprograms, and exceptions, and prepares you for the upcoming advanced concepts. The next chapter introduces you to the new features of Oracle Database 12c, not limited to PL/SQL. In this chapter, you will understand some of the most talked about features such as Multitenant and Database In-Memory. Moving forward, each chapter introduces advanced concepts with the help of demonstrations, and provides you with the latest update from Oracle Database 12c context. This helps you to visualize the pre- and post-applications of a feature over the database releases. By the end of this book, you will have become an expert in PL/SQL programming and will be able to implement advanced concepts of PL/SQL for efficient management of Oracle Database. Style and approach The book follows the structure of the Oracle Certification examination but doesn't restrict itself to the exam objectives. Advanced concepts have been explained in an easy-to-understand style, supported with feature demonstrations and case illustrations.

React Cookbook: Create dynamic web apps with React using Redux, Webpack, Node.js, and GraphQL

by Carlos Santana Roldan

Over 66 hands-on recipes that cover UI development, animations, component architecture, routing, databases, testing, and debugging with React Key FeaturesUse essential hacks and simple techniques to solve React application development challengesCreate native mobile applications for iOS and Android using React NativeLearn to write robust tests for your applications using Jest and EnzymeBook DescriptionToday's web demands efficient real-time applications and scalability. If you want to learn to build fast, efficient, and high-performing applications using React 16, this is the book for you. We plunge directly into the heart of all the most important React concepts for you to conquer. Along the way, you’ll learn how to work with the latest ECMAScript features.You'll see the fundamentals of Redux and find out how to implement animations. Then, you’ll learn how to create APIs with Node, Firebase, and GraphQL, and improve the performance of our application with Webpack 4.x. You'll find recipes on implementing server-side rendering, adding unit tests, and debugging. We also cover best practices to deploy a React application to production. Finally, you’ll learn how to create native mobile applications for iOS and Android using React Native.By the end of the book, you'll be saved from a lot of trial and error and developmental headaches, and you’ll be on the road to becoming a React expert.What you will learnGain the ability to wield complex topics such as Webpack and server-side renderingImplement an API using Node.js, Firebase, and GraphQLLearn to maximize the performance of React applicationsCreate a mobile application using React NativeDeploy a React application on Digital OceanGet to know the best practices when organizing and testing a large React applicationWho this book is forIf you’re a JavaScript developer who wants to build fast, efficient, scalable solutions, then you’re in the right place. Knowledge of React will be an advantage but is not required. Experienced users of React will be able to improve their skills.

Learning .NET High-performance Programming

by Antonio Esposito

If you are a .NET developer with an understanding of application development, but want to learn how to optimize the performance of your applications, this is the book for you. Basic knowledge of C# is expected.

jQuery Essentials

by Troy Miles

Optimize and implement the features of JQuery to build and maintain your websites with minimum hassle About This Book * Build dynamic websites efficiently without any performance issues * Learn to use existing jQuery plugins and or write your own for your websites * This is the most up-to-date book on the market at the moment, packed with detailed explanations and real-world examples Who This Book Is For Whether you are a beginner or an experienced developer who is looking for quick answers, you will find what you need in this book. What You Will Learn * Quickly find and modify HTML DOM elements * Use animation to add flair to your site * Create your own events to decouple your application * Measure the performance of your website's JavaScript * Write unit tests to ensure that your application is behaving correctly * Use plugins to to save reinventing the wheel and enhance your site quickly * Use client-side validation on forms to prevent your users from sending bad data to your application * Write your own jQuery plugins in order to encapsulate your company's business logic In Detail JQuery is still the most popular JavaScript library. It is used in over 60% of the top websites on the Internet. It was written to make DOM manipulation (so, moving things around a web page) easier for developers. It acts through JavaScript to ascribe HTML elements to the DOM attributes. Because it is a library of predefined functions, all you need to start using jQuery is a working knowledge of the syntax and a reference for the functions available to you. This practical guide shows you how to make the most of jQuery to boost the performance of your websites and applications. We start off with a quick glance through the basics of JQuery, followed by the explanation of JQuery selectors, filters, and DOM element manipulation. After this, you will learn how events and animations can be used to create and design beautiful and user-friendly sites. Next, you will be familiarized with Ajax functions to help you send and receive data from your server. Finally, we'll walk you through using built-in plugins and eventually create your own plugins for your websites. By the end of this book, you will be able to to build robust and efficient websites successfully using JQuery. Style and approach This book takes a fast but thorough walk through jQuery. The goal is to get you writing fast and efficient jQuery quickly. It uses easy-to-read, jargon-free text and lots of ready-to-use code examples.

ReactJS by Example - Building Modern Web Applications with React

by Vipul A M Prathamesh Sonpatki

Get up and running with ReactJS by developing five cutting-edge and responsive projects About This Book * Create pragmatic real-world applications while learning React and its modern developer tools * Build sustainable user interfaces by transforming data into components of UI * Learn how to generate reusable ReactJS components effectively Who This Book Is For If you are a web developer and wish to learn ReactJS from scratch, then this book is tailor-made for you. Good understanding of Javascript, HTML, and CSS is expected. What You Will Learn * Create, reuse, and compose React components using JSX * Share data between various React components and techniques for data flow within a React app * Handle user interactions with the help of event handlers and dynamic components * Set up and use various next generation ES2015/ES6 features with React * Understand the performance and immutability features of React using React add-ons * Learn the techniques of Animation in React * Use data stores to store model-related data and information * Create a flux-based React application by using Reflux library In Detail ReactJS is an open-source JavaScript library that brings the power of reactive programming to web applications and sites. It aims to address the challenges encountered in developing single-page applications, and is intended to help developers build large, easily scalable and changing web apps. Starting with a project on Open Library API, you will be introduced to React and JSX before moving on to learning about the life cycle of a React component. In the second project, building a multi-step wizard form, you will learn about composite dynamic components and perform DOM actions. You will also learn about building a fast search engine by exploring server-side rendering in the third project on a search engine application. Next, you will build a simple frontpage for an e-commerce app in the fourth project by using data models and React add-ons. In the final project you will develop a complete social media tracker by using the flux way of defining React apps and know about the best practices and use cases with the help of ES6 and redux. By the end of this book, you will not only have a good understanding of ReactJS but will also have built your very own responsive frontend applications from scratch. Style and approach An easy-to-follow program to learn ReactJS with the help of real world projects. Each topic is explained within the context of a project and provides plenty of tips and tricks for using ReactJS.

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