Robin Constantine's New Jersey romance The Promise of Amazing is a sexy, poignant, funny, and authentic debut novel that will appeal to fans of books by Stephanie Perkins, Sarah Mlynowski, and Jennifer E. Smith.Wren Caswell is average. Ranked in the middle of her class at Sacred Heart, she's not popular, not a social misfit. Wren is the quiet good girl who's always done what she's supposed to—only now, in her junior year, this passive strategy is backfiring. She wants to change but doesn't know how.Grayson Barrett was the king of St. Gabe's: star of the lacrosse team, top of his class, and on the fast track to a brilliant future—until he was expelled for being a "term-paper pimp." Now Gray is in a downward spiral and needs to change but doesn't know how.One fateful night, their paths cross at Wren's family's Arthurian-themed catering hall. What follows is the complicated, awkward, hilarious, and tender tale of two teens shedding their pasts, figuring out who they are—and falling in love.

A gripping tale of survival and an epic love story in which a husband and wife–separated by the only battle of World War II to take place on American soil–fight to reunite in Alaska's starkly beautiful Aleutian IslandsFollowing the death of his younger brother in Europe, journalist John Easley is determined to find meaning in his loss, to document some part of the growing war that claimed his own flesh and blood. Leaving behind his beloved wife, Helen, after an argument they both regret, he heads north from Seattle to investigate the Japanese invasion of Alaska's Aleutian Islands, a story censored by the U.S. government.While John is accompanying a crew on a bombing run, his plane is shot down over the island of Attu. He survives only to find himself exposed to a harsh and unforgiving wilderness, known as "the Birthplace of Winds." There, John must battle the elements, starvation, and his own remorse while evading discovery by the Japanese.Alone in their home three thousand miles to the south, Helen struggles with the burden of her husband's disappearance. Caught in extraordinary circumstances, in this new world of the missing, she is forced to reimagine who she is–and what she is capable of doing. Somehow, she must find John and bring him home, a quest that takes her into the farthest reaches of the war, beyond the safety of everything she knows.A powerful, richly atmospheric story of life and death, commitment and sacrifice, The Wind Is Not a River illuminates the fragility of life and the fierce power of love.

There’s a new Wicked Witch in Oz—and her name is Dorothy. This digital original novella is the second installment in the prequel arc to the edgy and exciting New York Times bestseller Dorothy Must Die.Dorothy Gale is back . . . and she’s not the sweet little heroine of Oz anymore. She’s power-hungry and vicious, and she leaves a trail of destruction beneath her spike-heeled, magical shoes. But behind the scenes, there’s someone else pulling the strings. Someone who doesn’t want fame or glory—just control.Glinda of the North brought Dorothy back to Oz for a reason. And in The Witch Must Burn, a young maid is about to discover that a witch who says she’s Good might be the most dangerous kind of Wicked.The Witch Must Burn, by debut author Danielle Paige, is a dark and compelling reimagining of a beloved classic and is perfect for fans of Cinder by Marissa Meyer, Beastly by Alex Flinn, and Wicked by Gregory Maguire.

Enter the era of medical research using mobile devices with the help of this guide on ResearchKit!About This BookCreate a simple clinical research app using most aspects of ResearchKitBuild a simple survey with various data types with the results printed on the screen.A step-by-step guide introducing Apple's ResearchKit and techniques to incorporate it into various apps.Who This Book Is ForThis book is aimed at medical researchers with basic iOS coding knowledge and iOS developers looking to create clinical research apps.What You Will LearnLearn to create customized consent formGet introduced to two backend services: a simple backend server using Sinatra and Sage BridgeBuild a custom task (a conditional survey example) and a navigable taskGet an Overview of ResearchKit's open source repository and App CoreInteraction with the hardware of the device including the gyro and the motion sensorsLearn the basics of this revolutionary technologyGet introduced to the barebones app and learn to write your first codeIn DetailResearchKit is an open source software development framework from Apple that lets you easily create mobile applications for clinical research studies. ResearchKit provides you the ability to orchestrate the administration of tasks and recording of the results. ResearchKit provides tasks in order to perform informed consent, active tasks, and surveys.Starting with the basics of the ResearchKit framework, this books walks you through the steps of creating iOS applications that could serve as the basis of a clinical research mobile app.This book will introduce readers to ResearchKit and how to turn your iPhone into into a clinical research tool. The book will start off by installing and building the research framework in line with the researcher's needs; during this, the reader will learn to embed ResearchKit in the application and create a small task.After this, the book will go a little deeper into creating modules for surveys, consents, and so on. The book will also cover the various aspects of privacy and security with regard to participant data, and how to build dashboards for visualizing medical data and results in line with the researcher's requirements: data backends, JSON serialization and deserialization, and so on.Readers will be able to fully utilize ResearchKit for medical research, will be able to get more and more patients to participate in their surveys, and will gain insights from the surveys using the dashboards created.Style and approachA hands-on guide with ample screenshots for you to follow and learn about ResearchKit. Each topic is explained sequentially and placed in context so that you can get a better understanding of every step in the process of creating clinical research apps.

Master Puppet for configuration management of your systems in an enterprise deploymentAbout This BookThis book is an advanced guide to using and deploying Puppet 4 in your organization with a special focus on issues faced in larger enterprise deploymentsFrom an experienced author, learn to deal with scaling, performance, and multiple developers with the help of real-world examplesThis is the most up-to-date guide on Puppet, and covers the advanced concepts of Puppet 4Who This Book Is ForThis book is for those who have intermediate knowledge of Puppet and are looking to deploy it in their environment. Some idea how to write simple modules for configuration management with Puppet is a prerequisite for this book.What You Will LearnScale out your Puppet infrastructure using proxying techniquesAutomate your code promotion workflow using Git and r10kSolve real-world problems using public modules from the Puppet ForgeUse Hiera to separate the data of your configuration from the code of your configurationWrite your own custom facts in RubyExtend Puppet with your own custom facts, modules, and typesUse exported resources to orchestrate change between machinesDebug a puppetserver using Java techniquesIn DetailPuppet is a configuration management system and a language. It was written for and by system administrators to manage large numbers of systems efficiently and prevent configuration drifts.Mastering Puppet deals with the issues faced when scaling out Puppet to handle large numbers of nodes. It will show you how to fit Puppet into your enterprise and allow many developers to work on your Puppet code simultaneously. In addition, you will learn to write custom facts and roll your own modules to solve problems. Next, popular options for performing reporting and orchestration tasks will be introduced in this book. Moving over to troubleshooting techniques, which will be very useful. The concepts presented are useful to any size organization.By the end of the book, you will know how to deal with problems of scale and exceptions in your code, automate workflows, and support multiple developers working simultaneously.Style and approachThis book is a step-wise guide packed with examples to help you configure complex systems in Puppet.

Master the basics of Unreal Engine 4 to build stunning video gamesAbout This BookGet to grips with the user interface of Unreal Engine 4 and find out more about its various robust featuresCreate dream video games with the help of the different tools Unreal Engine 4 offersCreate video-games and fully utilize the power of Unreal Engine 4 to bring games to life through this step-by-step guideWho This Book Is ForIf you have a basic understanding of working on a 3D environment and you are interested in video game development, then this book is for you. A solid knowledge of C++ will come in handy.What You Will LearnDownload both the binary and source version of Unreal Engine 4 and get familiar with the UIGet to know more about the Material Editor and how it worksAdd a post process to the scene and alter it to get a unique look for your sceneAcquaint yourself with the unique and exclusive feature of Unreal Engine 4—BlueprintsFind out more about Static and Dynamic lighting and the difference between various lightsUse Matinee to create cut scenesCreate a health bar for the player with the use of Unreal Motion Graphics (UMG)Get familiar with Cascade Particle EditorIn DetailUnreal Engine 4 is a complete suite of game development tools that gives you power to develop your game and seamlessly deploy it to iOS and Android devices. It can be used for the development of simple 2D games or even stunning high-end visuals. Unreal Engine features a high degree of portability and is a tool used by many game developers today.This book will introduce you to the very popular Unreal 4 engine with hands-on instructions to build stunning video games. You will begin by creating a new project or prototype by learning the essentials of Unreal engine, then you’ll get an understanding of how the World Browser can help to improve performance of our game. Next, we’ll create a level of detailed models and materials to further improve performance. After that, you’ll see how to import textures, create different materials, and see what materials can do in terms of post-processing. Finally, you will get acquainted with the Paper2D tool and the blueprints system to further increase our project's performance with Engine’s scalability tools.Style and approachThis step-by-step guide will help you gain practical knowledge about Unreal Engine through detailed de*ions of all the tools offered by Unreal Engine.

Design, process, and analyze large sets of complex data in real timeAbout This BookGet acquainted with transformations and database-level interactions, and ensure the reliability of messages processed using StormImplement strategies to solve the challenges of real-time data processingLoad datasets, build queries, and make recommendations using Spark SQLWho This Book Is ForIf you are a Big Data architect, developer, or a programmer who wants to develop applications/frameworks to implement real-time analytics using open source technologies, then this book is for you.What You Will LearnExplore big data technologies and frameworksWork through practical challenges and use cases of real-time analytics versus batch analyticsDevelop real-word use cases for processing and analyzing data in real-time using the programming paradigm of Apache StormHandle and process real-time transactional dataOptimize and tune Apache Storm for varied workloads and production deploymentsProcess and stream data with Amazon Kinesis and Elastic MapReducePerform interactive and exploratory data analytics using Spark SQLDevelop common enterprise architectures/applications for real-time and batch analyticsIn DetailEnterprise has been striving hard to deal with the challenges of data arriving in real time or near real time.Although there are technologies such as Storm and Spark (and many more) that solve the challenges of real-time data, using the appropriate technology/framework for the right business use case is the key to success. This book provides you with the skills required to quickly design, implement and deploy your real-time analytics using real-world examples of big data use cases.From the beginning of the book, we will cover the basics of varied real-time data processing frameworks and technologies. We will discuss and explain the differences between batch and real-time processing in detail, and will also explore the techniques and programming concepts using Apache Storm.Moving on, we’ll familiarize you with “Amazon Kinesis” for real-time data processing on cloud. We will further develop your understanding of real-time analytics through a comprehensive review of Apache Spark along with the high-level architecture and the building blocks of a Spark program.You will learn how to transform your data, get an output from transformations, and persist your results using Spark RDDs, using an interface called Spark SQL to work with Spark.At the end of this book, we will introduce Spark Streaming, the streaming library of Spark, and will walk you through the emerging Lambda Architecture (LA), which provides a hybrid platform for big data processing by combining real-time and precomputed batch data to provide a near real-time view of incoming data.Style and approachThis step-by-step is an easy-to-follow, detailed tutorial, filled with practical examples of basic and advanced features.Each topic is explained sequentially and supported by real-world examples and executable code snippets.

New York Times and USA Today Bestseller!In the tradition of Kristin Hannah and Susan Wiggs, Mary McNear introduces readers to the town of Butternut Lake and to the unforgettable people who call it home.It's summer, and after ten years away, Allie Beckett has returned to her family's cabin beside tranquil Butternut Lake, where as a teenager she spent so many carefree days. She's promised her five-year-old son, Wyatt, they will be happy there. She's promised herself this is the place to begin again after her husband's death in Afghanistan. The cabin holds so many wonderful memories, but from the moment she crosses its threshold Allie is seized with doubts. Has she done the right thing uprooting her little boy from the only home he's ever known?Allie and her son are embraced by the townsfolk, and her reunions with old acquaintances—her friend Jax, now a young mother of three with one more on the way, and Caroline, the owner of the local coffee shop—are joyous ones. And then there are newcomers like Walker Ford, who mostly keeps to himself—until he takes a shine to Wyatt . . . and to Allie.Everyone knows that moving forward is never easy, and as the long, lazy days of summer take hold, Allie must learn to unlock the hidden longings of her heart, and to accept that in order to face the future she must also confront—and understand—what has come before.

An esteemed former CIA director dies off the coast of Maine. Another senior CIA officer is found dead of a "heart attack" in a posh Paris hotel. Counterspy Alex Hawke and his friend Ambrose Congreve think this could be more than coincidence. Hawke discovers that the victims are connected through one man: Spider Payne, a rogue intelligence officer whose dangerous exploits got him barred from the CIA. Now Spider believes he's been wronged and is out for vengeance—and Alex Hawke is his number-one target.Hawke's only hope is to lure his deadly enemy into a trap he can't escape—and it's a place Hawke knows better than anyone: his seaside home in Bermuda.Includes a sneak preview of Warriors, the exhilarating new novel in the Alex Hawke series.

A.J. and the gang from My Weird School star in this series of after-school, holiday-themed chapter books featuring all-new hilarious stories and thirty-two pages of games, puzzles, and more.It's the week of Valentine's Day, and A.J.'s class is getting a foreign exchange student! His name is Pierre, and he's from France. But what happens when Pierre challenges A.J. to a duel (or at least a thumb war) over AndreaOne thing's for sure: when L-O-V-E comes to Ella Mentry, it spells the weirdest Valentine's Day story in the history of the world!Bestselling author Dan Gutman brings his kid-friendly sense of humor to this all-new series of holiday adventures. With My Weird School checklists and trivia plus tons of Valentine-themed facts and puzzles, this is one weird Valentine special you don't want to miss!

With more than 9 million books sold, the My Weird School series really gets kids reading!In this third book in the new My Weirdest School series, the Brain Games are coming to Ella Mentry School! Miss Brown will help the kids do creative projects, like building a bridge out of toothpicks and designing a remote control car. But the kids are up against some tough competition. They will have to compete against the students of Dirk School to win the grand prize: a free trip to PizzaWorld!Perfect for reluctant readers and word lovers alike, Dan Gutman's hugely popular My Weird School series has something for everyone. Don't miss the hilarious adventures of A.J. and the gang.

In this final chapter in James Earl Hardy's groundbreaking B-Boy Blues series, Mitchell "Little Bit" Crawford and Raheim "Pooquie" Rivers are all grown up. Mitchell is a stay-at-home dad renovating his dream house, writing, and raising his godson and half-sister in Brooklyn's up-and-coming Fort Greene neighborhood. He's fairly happy, but he can't help feeling that something -- or someone -- is missing from his life.Fresh from rehab for a gambling addiction, Raheim has a new lease on life, but it's precarious -- his career as an actor has stalled, he hasn't seen his son in years, and the short-lived sexual trysts that punctuated his life no longer satisfy him. Hell-bent on change, Raheim has finally figured out who he wants to be with forever. But will Mitchell give Raheim the second chance he so desperately wants?

For Step Fletcher, his pregnant wife DeAnne, and their three children, the move to tiny Steuben, North Carolina, offers new hope and a new beginning. But from the first, eight-year-old Stevie's life there is an unending parade of misery and disaster.Cruelly ostracized at his school, Stevie retreats further and further into himself -- and into a strange computer game and a group of imaginary friends.But there is something eerie about his loyal, invisible new playmates: each shares the name of a child who has recently vanished from the sleepy Southern town. And terror grows for Step and DeAnne as the truth slowly unfolds. For their son has found something savagely evil ... and it's coming for Stevie next.

Bankers prowl Brooklyn bars on the eve of the stock market crash. A debate over Young Elvis versus Vegas Elvis turns existential. Detoxing junkies use a live lobster to spice up their love life. Students on summer break struggle to escape the orbit of a seemingly utopic communal house.And in the title story, selected for The Best American Short Stories, two film school buddies working on a doomed project are left sizing up their own talent, hoping to come out on top—but fearing they won't.In What's Important Is Feeling, Adam Wilson follows the through-line of contemporary coming-of-age from the ravings of teenage lust to the staggering loneliness of proto-adulthood. He navigates the tough terrain of American life with a delicate balance of comedy and compassion, lyricism and unsparing straightforwardness. Wilson's characters wander through a purgatory of yearning, hope, and grief. No one emerges unscathed.

"It doesn't matter how I got here. What I do with the puzzle pieces that are now in front of me—that's what matters.Save Mr. Vernon.My three-word quest.Why I'm here in this time and space."Portia Kane is having a meltdown. After escaping her ritzy Florida life and her cheating pornographer husband, she finds herself back in South Jersey, a place that remains largely unchanged from the years of her unhappy youth. Lost and alone, looking for the goodness she believes still exists in the world, Portia sets off on a quest to save the one man who always believed in her—and in all of his students: her beloved high school English teacher, Mr. Vernon, who has retired broken and alone after a traumatic classroom incident.Will a sassy nun, an ex–heroin addict, a metalhead little boy, and her hoarder mother help or hurt Portia's chances on this quest to resurrect a good man and find renewed hope in the human raceLove May Fail is a story of the great highs and lows of existence: the heartache and daring choices it takes to become the person you know (deep down) you are meant to be.

Discover the power of Drools 6 and Business Rules for developing complex scenarios in your applications About This Book Implement and model different rules using the DRL full syntax Model complex business decisions and domain models in order to automate and improve your operational decisions with the Drools framework A practical, fast-paced, hands-on guide to help you use the different components provided by the Drools Rule Engine Who This Book Is For This book is for Java developers and architects who need to have a deep understanding of how to create or integrate your applications with the Drools Rules Framework. The book assumes that you know the Java language well and also have experience with some widely used frameworks, such as Spring. You should also know the basics of Maven-based applications. What You Will Learn Automate your application’s decisions, such as promotion applying, discount policies, fraud detection, and more. Quickly get started with writing your first rules using the DRL full syntax. Discover the power of the new syntax components of the rule language. Define inferences in your business rules to simplify complex decisions. Write decision tables, templates,domain-specific languages, and scorecards, and learn how to map them to the Drools framework. Harness the full operational power of Drools through all of its configuration points. Use Drools configurations and architectures for different environments and scenarios. In Detail Mastering JBoss Drools 6 will provide you with the knowledge to develop applications involving complex scenarios. You will learn how to use KIE modules to create and execute Business Rules, and how the PHREAK algorithm internally works to drive the Rule Engine decisions. This book will also cover the relationship between Drools and jBPM, which allows you to enrich your applications by using Business Processes. You will be briefly introduced to the concept of complex event processing (Drools CEP) where you will learn how to aggregate and correlate your data based on temporal conditions. You will also learn how to define rules using domain-specific languages, such as spreadsheets, database entries, PMML, and more. Towards the end, this book will take you through the integration of Drools with the Spring and Camel frameworks for more complex applications. Style and approach Approached from a developer’s perspective, the book teaches you all the advanced concepts of Business Rules applicable examples with helpful screenshots, diagrams, tutorials, and examples.

Master the skills required to steer cross-platform applications from drawing board to app store(s) using Xamarin About This Book Develop your Xamarin development skills with this comprehensive guide on various patterns and features so you can create elegant and high-quality applications Create adaptive user interfaces on separate platforms without compromising the user experience and platform identity Implement application lifecycle management concepts to manage and finalize cross-platform projects and efficiently collaborate with others Who This Book Is For This book is ideal for those who want to take their entry–level Xamarin mobile development skills to the next level to become the go-to person within their organization. To fully understand the patterns and concepts described, you should possess a reasonable level of knowledge about the core elements of Xamarin and cross-platform application development with it. What You Will Learn Configure your environment for cross-platform projects with Xamarin Gain memory management skills to avoid memory leaks and premature code cycles while decreasing the memory print of your applications Employ asynchronous and parallel patterns to execute non-interactive and non-blocking processes Create and use SQLite databases for offline scenarios Integrate network resources with cross-platform applications Design and implement eye-catching and reusable UI components without compromising nativity in mobile applications Manage the application lifecycle of cross-platform development projects Distribute Xamarin applications through public or private channels In Detail The main goal of this book is to equip you with the required know-how to successfully analyze, develop, and manage Xamarin cross-platform projects using the most efficient, robust, and scalable implementation patterns. This book starts with general topics such as memory management, asynchronous programming, local storage, and networking, and later moves onto platform-specific features. During this transition, you will learn about key tools to leverage the patterns described, as well as advanced implementation strategies and features. The book also presents User Interface design and implementation concepts on Android and iOS platforms from a Xamarin and cross-platform perspective, with the goal to create a consistent but native UI experience. Finally, we show you the toolset for application lifecycle management to help you prepare the development pipeline to manage and see cross-platform projects through to public or private release. Style and approach This is a comprehensive guide on various Xamarin features and patterns. Each topic is explained and demonstrated with code samples, which are revised in each section in an iterative manner and analyzed with available diagnostic tools to demonstrate the benefits of different patterns.

Analyze data network like a professional by mastering Wireshark - From 0 to 1337 About This Book Master Wireshark and train it as your network sniffer Impress your peers and get yourself pronounced as a network doctor Understand Wireshark and its numerous features with the aid of this fast-paced book packed with numerous screenshots, and become a pro at resolving network anomalies Who This Book Is For Are you curious to know what’s going on in a networkDo you get frustrated when you are unable to detect the cause of problems in your networksThis is where the book comes into play. Mastering Wireshark is for developers or network enthusiasts who are interested in understanding the internal workings of networks and have prior knowledge of using Wireshark, but are not aware about all of its functionalities. What You Will Learn Install Wireshark and understand its GUI and all the functionalities of it Create and use different filters Analyze different layers of network protocols and know the amount of packets that flow through the network Decrypt encrypted wireless traffic Use Wireshark as a diagnostic tool and also for network security analysis to keep track of malware Troubleshoot all the network anomalies with help of Wireshark Resolve latencies and bottleneck issues in the network In Detail Wireshark is a popular and powerful tool used to analyze the amount of bits and bytes that are flowing through a network. Wireshark deals with the second to seventh layer of network protocols, and the analysis made is presented in a human readable form. Mastering Wireshark will help you raise your knowledge to an expert level. At the start of the book, you will be taught how to install Wireshark, and will be introduced to its interface so you understand all its functionalities. Moving forward, you will discover different ways to create and use capture and display filters. Halfway through the book, you’ll be mastering the features of Wireshark, analyzing different layers of the network protocol, looking for any anomalies. As you reach to the end of the book, you will be taught how to use Wireshark for network security analysis and configure it for troubleshooting purposes. Style and approach Every chapter in this book is explained to you in an easy way accompanied by real-life examples and screenshots of the interface, making it easy for you to become an expert at using Wireshark.

Build your own cloud based Database as a Service using OpenStack Trove About This Book Familiarize yourself with the concept of Database as a Service and make your existing system scalable and efficient with OpenStack Trove Minimize the administrative tasks and complexities of managing your cloud infrastructure This is a fast-paced guide to datastore management on the OpenStack platform using OpenStack Trove Who This Book Is For If you are a DBA / system administrator / architect, or a student who wants to build a Database as a Service based on OpenStack, this book is for you. You should have a basic knowledge of OpenStack components, RDBMS/NoSQL, IaaS, and cloud computing. What You Will Learn Get to grips with the basics of OpenStack and the prerequisites to install Trove Understand the expectations of DBaaS and how Trove can help you achieve them Set up a basic installation of DevStack (Development Stack) in a virtual box Install Trove and utilize its configuration groups to manage and tune databases Use Image builder to create guest images for Trove Utilize Trove to provision your first database instance Back up and restore your databases with the help of Trove In Detail OpenStack has become an extremely popular solution to build public and private clouds with. Database as a Service (DBaaS) enables the delivery of more agile database services at lower costs. Some other benefits of DBaaS are secure database deployments and compliance to standards and best practices. Trove is a DBaaS built on OpenStack and is becoming more popular by the day. Since Trove is one of the most recent projects of OpenStack, DBAs and system administrators can find it difficult to set up and run a DBaaS using OpenStack Trove. This book helps DBAs make that step. We start by introducing you to the concepts of DBaaS and how is it implemented using OpenStack Trove. Following this, we look at implementing OpenStack and deploying Trove. Moving on, you will learn to create guest images to be used with Trove. We then look at how to provision databases in self-service mode, and how to perform administration tasks such as backup and recovery, and fine-tuning databases. At the end of the book, we will examine some advanced features of Trove such as replication. Style and approach This fast-paced, step-by-step guide introduces you to DBaaS, OpenStack Trove, and its components, leading you through building your own Cloud-based DBaaS. Using the DevStack deployment method, you will spend less time on installing OpenStack so you can devote more time to learning how to provision and manage databases in a DBaaS environment.

Unleash the full potential of the Flask web framework by creating simple yet powerful web applications About This Book The most up-to-date book on Flask on the market Create your own world-class applications and master the art of Flask by unravelling its enigma through this journey This step-by-step tutorial is packed with examples on blending different technologies with Flask to get you up and running Who This Book Is For Have you looked at PHP and hated the clunky bloated syntaxOr looked at .Net and wished it was more open and flexibleMaybe you’ve tried your hand at GUI libraries in Python and found them hard to useIf your answer to any one of these questions is a yes, then this is just the book for you. It is also intended for people who know the basics of Python and want to learn how to use it to build powerful solutions with a web front-end. What You Will Learn Build three web applications from the ground up using the powerful Python micro framework, Flask. Dynamically display data to your viewers, based on their requests Store user and static data in SQL and NoSQL databases and use this data to power your web applications Create a good user experience by combining HTML, CSS, and JavaScript Harness the convenience of freely available APIs, including OpenWeatherMap, Open Exchange Rates, and bitly Extend your applications to build advanced functionality, such as a user account control system using Flask-Login Learn about web application security and defend against common attacks, such as SQL injection and XSS In Detail This book will take you on a journey from learning about web development using Flask to building fully functional web applications. In the first major project, we develop a dynamic Headlines application that displays the latest news headlines along with up-to-date currency and weather information. In project two, we build a Crime Map application that is backed by a MySQL database, allowing users to submit information on and the location of crimes in order to plot danger zones and other crime trends within an area. In the final project, we combine Flask with more modern technologies, such as Twitter's Bootstrap and the NoSQL database MongoDB, to create a Waiter Caller application that allows restaurant patrons to easily call a waiter to their table. This pragmatic tutorial will keep you engaged as you learn the crux of Flask by working on challenging real-world applications. Style and approach This book will provide you with rich, practical experience of Flask. Every technology, that is employed along with Flask is comprehensively introduced, while the book focusses on developing web applications. Pointers to educational material are always given if you want to gain in-depth knowledge of the various technologies used.

Over 90 hands-on recipes that will employ Nagios Core as the anchor of monitoring on your networkAbout This BookMaster the advanced configuration techniques of Nagios Core to model your network better by improving hosts, services, and contactsFilter and improve the notifications that Nagios Core sends in response to failed checks, which can greatly assist you when diagnosing problemsPull Nagios Core's data into a database to write clever custom reports of your own deviseWho This Book Is ForIf you are a network or system administrator and are looking for instructions and examples on working with Nagios Core, then this book is for you. Some basic shell command-line experience is required, and some knowledge of *ing would be helpful when we discuss how plugins work.What You Will LearnManage the configuration of Nagios Core with advanced techniques to achieve fine detail in your checksFind, install, and even write your own check pluginsFilter notifications to send them to the right people or programs at the right timeWork around difficult network accessibility issues and delegate checks to other machinesTweak a Nagios Core server to achieve both high performance and redundancy in case of disasterProcess the results of checks performed by other machines to monitor backups and similar processesExtend Nagios Core to allow advanced *ing, reporting, and network visualization behaviorIn DetailNagios Core is an open source monitoring framework suitable for any network that ensures both internal and customer-facing services are running correctly and manages notification and reporting behavior to diagnose and fix outages promptly. It allows very fine configuration of exactly when, where, what, and how to check network services to meet both the uptime goals of your network and systems team and the needs of your users.This book shows system and network administrators how to use Nagios Core to its fullest as a monitoring framework for checks on any kind of network services, from the smallest home network to much larger production multi-site services. You will discover that Nagios Core is capable of doing much more than pinging a host or to see whether websites respond.The recipes in this book will demonstrate how to leverage Nagios Core's advanced configuration, *ing hooks, reports, data retrieval, and extensibility to integrate it with your existing systems, and to make it the rock-solid center of your network monitoring world.Style and approachEach chapter contains a set of step-by-step recipes to perform an example of a commonly performed task related to network administration. The book begins by focusing closely on the properties and configuration of Nagios Core itself, and gradually moves on to other pieces of software that can support, manage, and extend the system.