Start building amazing projects with the Raspberry Pi right out of the box About This Book Explore the vast range of opportunities provided by Raspberry Pi and other hardware components such as a webcam, the Pi camera, and sensors Get hands-on experience with coding, networking, and hardware with the Raspberry Pi platform Learn through ample screenshots that offer a play-by-play account of how to implement Raspberry-Pi-based real-life projects Who This Book Is For What's the best way to learn how to use your Raspberry PiBy example! If you want something exciting to do whilst getting to grips with what your Pi can offer, this is the book for you. With both simple and complex projects, you'll create a wide variety of cool toys and functions with your Raspberry Pi - all with minimal coding experience necessary. What You Will Learn Set up your Raspberry Pi and get it ready for some interesting real-life projects Work with images, videos, webcams, and the Pi camera and create amazing time-lapse videos Explore the amazing world of Minecraft Pi Get to know how to use PiGlow for GPIO programming Interface your Pi with Grove Sensors and implement IoT applications Build your own cluster with Raspberry Pi Understand the networking and network programming fundamentals In Detail Want to put your Raspberry Pi through its paces right out of the boxThis tutorial guide is designed to get you learning all the tricks of the Raspberry Pi through building complete, hands-on hardware projects. Speed through the basics and then dive right in to development! Discover that you can do almost anything with your Raspberry Pi with a taste of almost everything. Get started with Pi Gaming as you learn how to set up Minecraft, and then program your own game with the help of Pygame. Turn the Pi into your own home security system with complete guidance on setting up a webcam spy camera and OpenCV computer vision for image recognition capabilities. Get to grips with GPIO programming to make a Pi-based glowing LED system, build a complete functioning motion tracker, and more. Finally, get ready to tackle projects that push your Pi to its limits. Construct a complete Internet of Things home automation system with the Raspberry Pi to control your house via Twitter; turn your Pi into a super-computer through linking multiple boards into a cluster and then add in advanced network capabilities for super speedy processing! Style and approach This step-by-step guide to building Raspberry-Pi-based projects is explained in a conversational and easy-to-follow style. Each topic is explained sequentially in the process of creating real-life projects, and detailed explanations of the basic and advanced features of various Python libraries are also included.

Improve the performance of your PHP application to ensure the application users aren't left waiting About This Book · Make the optimum use of PHP coding to improve your programming productivity · Leverage the potential of PHP for server-side programming, memory management, and object-oriented programming · Packed with real-life examples to help the readers implement concepts as they learn Who This Book Is For This book is for those who have basic experience in PHP programming. If you are developing performance-critical applications, then this book is for you. What You Will Learn · Setup high performance development and production environment for PHP 7 · Discover new OOP features in PHP 7 to achieve high performance · Improve your PHP applications' performance · Attain improved database performance · Benchmark PHP applications to optimize them · Write quality code by learning to improve code reusability, simplicity, and expressiveness · Get rid of the bottlenecks in your PHP 7 applications by writing PHP code optimally · Tackle issues related to web applications, such as high user dependency and large datasets In Detail PHP is a great language for building web applications. It is essentially a server-side *ing language that is also used for general-purpose programming. PHP 7 is the latest version, providing major backward-compatibility breaks and focusing on high performance and speed. This fast-paced introduction to PHP 7 will improve your productivity and coding skills. The concepts covered will allow you, as a PHP programmer, to improve the performance standards of your applications. We will introduce you to the new features in PHP 7 and then will run through the concepts of object-oriented programming (OOP) in PHP 7. Next, we will shed some light on how to improve your PHP 7 applications' performance and database performance. Through this book, you will be able to improve the performance of your programs using the various benchmarking tools discussed. At the end, the book discusses some best practices in PHP programming to help you improve the quality of your code. Style and approach The book is a step-by-step guide to improve the quality of your code in PHP through real-time examples. The book takes a practical approach to improving the quality of your code.

Implement state-of-the-art techniques to visualize solutions to challenging problems in scientific computing, with the use of the SciPy stackAbout This BookMaster the theory and algorithms behind numerical recipes and how they can be applied to real-world problemsLearn to combine the most appropriate built-in functions from the SciPy stack by understanding the connection between the sources of your problem, volume of data, or computer architectureA comprehensive coverage of all the mathematical techniques needed to solve the presented topics, with a discussion of the relevant algorithms built in the SciPy stackWho This Book Is ForIf you are a mathematician, engineer, or computer scientist with a proficiency in Python and familiarity with IPython, this is the book for you. Some basic knowledge of numerical methods in scientific computing would be helpful.What You Will LearnMaster relevant algorithms used in symbolic or numerical mathematics to address approximation, interpolation, differentiation, integration, root-finding, and optimization of scalar or multi-variate functionsDevelop different algorithms and strategies to efficiently store and manipulate large matrices of data, in particular to solve systems of linear equations, or compute their eigenvalues/eigenvectorsUnderstand how to model physical problems with systems of differential equations and distinguish the factors that dictate the strategies to solve themPerform statistical analysis, hypothesis test design and resolution, or data mining at a higher level, and apply them to real-life problems in the field of data analysisGain insights on the power of distances, Delaunay triangulations and Voronoi diagrams for Computational Geometry, and apply them to various engineering problemsFamiliarize yourself with different techniques in signal/image processing, including filtering audio, images, or video to extract information, features, or remove componentsIn DetailThe SciPy stack is a collection of open source libraries of the powerful *ing language Python, together with its interactive shells. This environment offers a cutting-edge platform for numerical computation, programming, visualization and publishing, and is used by some of the world’s leading mathematicians, scientists, and engineers. It works on any operating system that supports Python and is very easy to install, and completely free of charge! It can effectively transform into a data-processing and system-prototyping environment, directly rivalling MATLAB and Octave.This book goes beyond a mere de*ion of the different built-in functions coded in the libraries from the SciPy stack. It presents you with a solid mathematical and computational background to help you identify the right tools for each problem in scientific computing and visualization. You will gain an insight into the best practices with numerical methods depending on the amount or type of data, properties of the mathematical tools employed, or computer architecture, among other factors.The book kicks off with a concise exploration of the basics of numerical linear algebra and graph theory for the treatment of problems that handle large data sets or matrices. In the subsequent chapters, you will delve into the depths of algorithms in symbolic algebra and numerical analysis to address modeling/simulation of various real-world problems with functions (through interpolation, approximation, or creation of systems of differential equations), and extract their representing features (zeros, extrema, integration or differentiation).Lastly, you will move on to advanced concepts of data analysis, image/signal processing, and computational geometry.Style and approachPacked with real-world examples, this book explores the mathematical techniques needed to solve the presented topics, and focuses on the algorithms built in the SciPy stack.

Design efficient machine learning systems that give you more accurate results About This Book Gain an understanding of the machine learning design process Optimize machine learning systems for improved accuracy Understand common programming tools and techniques for machine learning Develop techniques and strategies for dealing with large amounts of data from a variety of sources Build models to solve unique tasks Who This Book Is For This book is for data scientists, scientists, or just the curious. To get the most out of this book, you will need to know some linear algebra and some Python, and have a basic knowledge of machine learning concepts. What You Will Learn Gain an understanding of the machine learning design process Optimize the error function of your machine learning system Understand the common programming patterns used in machine learning Discover optimizing techniques that will help you get the most from your data Find out how to design models uniquely suited to your task In Detail Machine learning is one of the fastest growing trends in modern computing. It has applications in a wide range of fields, including economics, the natural sciences, web development, and business modeling. In order to harness the power of these systems, it is essential that the practitioner develops a solid understanding of the underlying design principles. There are many reasons why machine learning models may not give accurate results. By looking at these systems from a design perspective, we gain a deeper understanding of the underlying algorithms and the optimisational methods that are available. This book will give you a solid foundation in the machine learning design process, and enable you to build customised machine learning models to solve unique problems. You may already know about, or have worked with, some of the off-the-shelf machine learning models for solving common problems such as spam detection or movie classification, but to begin solving more complex problems, it is important to adapt these models to your own specific needs. This book will give you this understanding and more. Style and approach This easy-to-follow, step-by-step guide covers the most important machine learning models and techniques from a design perspective.

Build and manage networks in OpenStack using Neutron About This Book Deploy an all-in-one cloud based on OpenStack Liberty (2015.2) using RDO Learn the fundamentals of the Neutron API including networks, subnets, and ports, and how to manage these resources in the cloud Build simple virtual network infrastructures in the cloud Who This Book Is For The book is for those who are new to OpenStack and Neutron who want to learn the cloud networking fundamentals and get started with OpenStack networking. Prior networking experience along with a virtual or physical server is recommended to follow along with the concepts demonstrated in the book. What You Will Learn Install the latest Liberty (2015.2) release of OpenStack using RDO in VirtualBox Discover the basics of the Neutron API, including networks, subnets, and ports Interact with Neutron using the CLI and Horizon dashboard Create networks and subnets that provide connectivity to instances Implement software routers that connect networks and provide network address translation Secure instances using Neutron's security group functionality In Detail The OpenStack Networking API offers users the ability to create and manage both basic and complex network architectures that blend the virtual and physical network infrastructure. This book kicks off by describing various components of Openstack Neutron and installing Ubuntu OpenStack based on Canonical's process. Further on, you will use various methods to interface with Neutron to create and manage network resources. You will also get to grips with the relationship between ports, networks, and subnets through diagrams and explanations, and see how the logical components are implemented via plugins and agents. Moving forward, you will learn how virtual switches are implemented and how to build Neutron routers. You will also configure networks, subnets, and routers to provide connectivity to instances using simple examples. At the end, you will configure and manage security groups, and will observe how these rules translate to iptables rules on the host machines. By the end of the book, you will be able to build basic network architectures using Neutron networks and routers in no time. Style and approach An easy-to-follow guide that covers the networking features of OpenStack and the core Neutron API components providing a solid foundation to deploy networks and instances.

Natalie and Fran?ois are the perfect couple, and perfectly happy. But after Fran?ois dies suddenly, only seven years into their still blissful marriage, the widowed Natalie erects a fortress around her emotions into which no one can gain access. Until the most unlikely candidate appears: Markus, Natalie Swedish, geeky, and unassuming coworker.

I'm pushing aside the memory of my nightmare, pushing aside thoughts of Alex, pushing aside thoughts of Hana and my old school, push, push, push, like Raven taught me to do. The old life is dead. But the old Lena is dead too. I buried her. I left her beyond a fence, behind a wall of smoke and ?ame. Lauren Oliver delivers an electrifying follow-up to her acclaimed New York Times bestseller, Delirium. This riveting, brilliant novel crackles with the fire of fierce defiance, forbidden romance, and the sparks of a revolution about to ignite.

When Una Fairchild stumbles upon a mysterious book buried deep in the basement of her school library, she thinks nothing of opening the cover and diving in. But instead of paging through a regular novel, Una suddenly finds herself Written In to the land of Story a world filled with Heroes and Villains and fairy-tale characters. But not everything in Story is as magical as it seems. Una must figure out why she has been Written In and fast before anyone else discovers her secret. Together with her new friend Peter and a talking cat named Sam, Una digs deep into Story's shadowy past. She quickly realizes that she is tied to the world in ways she never could have imagined and it might be up to her to save it.

From the creators of Homeland and the Final Destination films, Revolution 19 is a cinematic thriller unlike anything else. At first they called it system-wide malfunctions when the robots stopped fighting at exactly 2:15 p.m. Greenwich Mean Time, August 17, 2051. For twenty-two hours the battlefields were silent. Then when the bots began killing again, now targeting their human commanders, they shook their heads and called it fatal programming errors. When, a day later, the skies over cities on six continents grew dark with warships, they began to understand. And when the bombs rained down and legions of bot foot soldiers marched into the burning ruins, killing any humans who resisted and dragging away the rest, they finally called it what it was: revolution. Only a few escaped the robot war. Those who did lived in secret freeposts, hiding from the robot armies determined to control the human race. Nick, Kevin, and Cass are some of the lucky ones they live with their parents in a secret human community outside the robot-controlled Cities. But when the bots discover their village and attack, the teens are forced to run. Determined to find out if their parents are alive, the three siblings venture into the heart of the robot City, where one misstep could be their last.

If you want to play the Game, you've got to know the Rules. In his international bestseller The Game , Neil Strauss delved into the secret world of pick-up artists men who have created a science out of the art of seduction. Not only did he reveal the techniques that they had developed, but he became a master of The Game, and the world's No. 1 PUA, as Style. Now, in this bestselling companion, Strauss reduces three books of life-changing knowledge into a single-volume set. The first book, The Stylelife Challenge , breaks down the knowledge he learned and techniques he invented into simple step-by-step instructions that anyone can follow to meet and land the women of their dreams. In the second book, Strauss takes readers into the dark side of The Game. The Style Diaries offers a series of tales of seduction and sexual (mis)adventure. From accidentally getting married during a drunken night in Reykjavik, to luring a famous musician's granddaughter into a threesome; to the stress and frustration of the torturous and highly unorthodox "30 Day Sex Experiment," The Style Diaries takes you further into the seduction underworld than ever before. Finally, in the all-new, updated third volume, Strauss collects the greatest, most powerful, field-tested, word-for-word routines. You don't need money, looks, or fame to succeed with women. All you need is an understanding of how attraction works and this thirty-day workout program for your social skills, which has already guided countless men from frustration to fulfillment.

Keep your enemies close. . . . For the first time since moving to New Salem, Cassie Blake feels normal. She's dating her soul mate Adam and making new friends in town. But between the secret coven of witches she belongs to and the incredible power she holds within her, Cassie is leading a far from ordinary life. When tragedy strikes the Circle, Cassie realizes being extraordinary can be a curse. The Circle is being hunted by an unknown enemy and anyone could be the next victim. As they struggle to protect themselves, alliances are formed and relationships are tested. No one knows who to trust or who to fear. Will Cassie be able to save the Circle . . . and herselfOr will her choices break it apart forever?

From Newbery Medal winner and bestselling author Sharon Creech comes a grand, sweeping yarn that is a celebration of the great and unexpected gifts of love, friendship, and forgiveness. With a starred review from Kirkus Reviews calling it an "enchanting tale to treasure," The Great Unexpected captures the heart and the imagination. Humorous and heartfelt, this is a story of pairs of young Naomi and Lizzie, both orphans in present-day Blackbird Tree, USA, and of Sybil and Nula, grown-up sisters from faraway Rook's Orchard, Ireland, who have become estranged. Young Naomi Deane is brimming with curiosity and her best friend, Lizzie Scatterding, could talk the ears off a cornfield. Naomi has a knack for being around when trouble happens. She knows all the peculiar people in town like Crazy Cora and Witch Wiggins. But then, one day, a boy drops out of a tree. Just like that. A strangely charming Finn boy. And then the Dingle Dangle man appears, asking all kinds of questions. Curious surprises are revealed three locked trunks, a pair of rooks, a crooked bridge, and that boy and soon Naomi and Lizzie find their lives changed forever. As two worlds are woven together, Creech reveals that hearts can be mended and that there is indeed a gossamer thread that connects us all.

Molly has developed even more amazing powers in the sixth and final hypnotic installment of the New York Times bestselling Molly Moon series perfect for fans of Lemony Snicket and Pseudonymous Bosch! Molly Moon can hypnotize or morph into anyone she chooses, travel through time, read minds and now, thanks to a mysterious and magical coin, she can play EVERY instrument. The harmonica! The guitar! The drums! The piano! You name it. But will Molly be able to free herself from the coin powers to save her friends and herselfIn the fun-filled sixth and final book of the Molly Moon series, Molly must face the music the hypnotic music of a magical coin that has the power to turn its owners into monsters!

The sharp, lyrical, and no-holds-barred autobiography of the iconoclastic writer and musician Richard Hell, charting the childhood, coming of age, and misadventures of an artist in an indelible era of rock and roll... From an early age, Richard Hell dreamed of running away. His father died when he was seven, and at seventeen he left his mother and sister behind and headed for New York City, place of limitless possibilities. He arrived penniless with the idea of becoming a poet; ten years later he was a pivotal voice of the age of punk, starting such seminal bands as Television, the Heartbreakers, and Richard Hell and the Voidoids whose song Blank Generation remains the defining anthem of the era. Hell was significantly responsible for creating CBGB as punk ground zero; his Voidoids toured notoriously with the Clash, and Malcolm McLaren would credit Hell as inspiration for the Sex Pistols. There were kinetic nights in New York club demi-monde, descent into drug addiction, and an ever-present yearning for redemption through poetry, music, and art. We lived in the suburbs in America in the fifties, Hell writes. My roots are shallow. I'm a little jealous of people with strong ethnic and cultural roots. Lucky Martin Scorsese or Art Spiegelman or Dave Chappelle. I came from Hopalong Cassidy and Bugs Bunny and first grade at ordinary Maxwell Elementary. How this legendary downtown artist went from a prosaic childhood in the idyllic Kentucky foothills to igniting a movement that would take over New York and London restless youth cultures and spawn the careers of not only Hell himself, but a cohort of friends such as Tom Verlaine, Patti Smith, the Ramones, and Debbie Harry is just part of the fascinating story Hell tells. With stunning powers of observation, he delves into the details of both the world that shaped him and the world he shaped. An acutely rendered, unforgettable coming-of-age story, I Dreamed I Was a Very Clean Tramp evokes with feeling, clarity, and piercing intelligence that classic journey: the life of one who comes from the hinterlands into the city in search of art and passion.

15 seconds can tear your life apart . . . Henry Steadman didn't know what was about to hit him when he pulled up to a red light. A successful Florida plastic surgeon, he is in town to deliver a keynote address at a conference when suddenly his life becomes an unrelenting chase to stay alive. Stopped by the police for a minor traffic violation, the situation escalates and he is pulled from his vehicle, handcuffed and told he is under arrest. Several other police cars arrive and the questioning turns scary, but just as Henry is released and about to move on, a blue sedan pulls up and the officer is suddenly killed. As the car speeds away, there is only one suspect left behind Henry. In that moment, his idyllic life becomes a free fall into hell as he becomes the target of a police manhunt, as well as being pursued by a cunning, unnamed perpetrator bent on some kind of vengeance. When Henry turns to a close friend for help, and he, too, ends up dead, Henry realizes he's being elaborately framed. But in a chilling twist, the stakes grow even darker, and he is unable to go to the police to clear his name, without bringing on dire and deadly consequences. With breakneck pacing and nonstop action, 15 Seconds shows what can happen when even the best life is turned upside down in an instant. It is also the story of an innocent man, framed for murder, who has to save the person he loves the most, all while being drawn closer and closer to an inevitable face-to-face standoff with a man determined to destroy his life.

Catriona Cameron was once famed for her seductive beauty and charm. Now she saw no one, hiding from the world . . . and no one dared break through her self-imposed exile. No one, that is, until Mark Thorburn burst into her home, and Catriona darkened world began to have color again. Thorburn, secretly the heir to an Earldom, claimed he was a footman. But Catriona didn't care about the scandal their passion could cause . . . for his very touch sparked her back to a life of sensuality, one she thought she'd never have again. Little does she know that Mark is part of a masquerade. One that will end when they become the target of a madman set on revenge. Mark realizes he will have to do more than win her love . . . he will have to save her life as well.

If God were throwing a party, would everyone be invitedOr does God invite some and not othersAnd if so, how does God decideIs it what you sayIs it what you doIs it what you're going to doIs it who your friends areOr what your friends doOr what religion you happened to be born intoOr where you live, or what you look like, or what you believeWhat if the idea of heaven and hell that we have been taught is not, in fact, what the Bible teachesWhat if Jesus meant something very different by the concepts of heaven, hell, and salvation from how we've come to understand themAnd what if the answer to life meaning is much better than we ever imaginedIn his teen edition of the bestselling book love wins, Rob Bell tackles all these questions in a way that addresses the real challenges of growing up in today world. This is not just a book of questions and this is not just a book of answers. This is a book of exploration. This is a book of discovery. This is a book about why love wins.

Illuminating and essential, Big Questions from Little People is a timeless gift, a handbook for curious children and their perplexed parents. Many of the questions children ask in the course of growing up can stump even the best educated adult: Why can't I tickle myselfAre we all relatedWho named all the citiesDo aliens existWhat makes me meIs it okay to eat a wormWho invented chocolateIf the universe started from nothing, how did it become somethingHow do you fall in loveWho is GodHow do chefs get ideas for recipesWhy are some people meanThis charming and informative collection has been compiled from schoolchildren's actual questions, which are answered by the world's greatest experts, including Mary Roach, Richard Dawkins, Philip Pullman, Bear Grylls, David Eagleman, Philippa Gregory, Noam Chomsky, and Mario Batali.

Unicorns are just like us. They have problems, stresses, and like to blow off some steam. Author and illustrator C. W. Moss explores the inner psyche of the single-horned in Why Unicorn Drinks . A follow-up to Unicorn Being a Jerk , this volume of 67 four-color illustrations and captions gives readers a glimpse into the sad reality of life as a mythical creature, and reveals what drives Unicorn to the bottle. As fans of Moss' online comic undoubtedly know, Why Unicorn Drinks pours a double-shot of laughter and irreverence. You'll never look at a unicorn the same way again.

New York Times bestselling author Kim Harrison returns to the sexy, supernatural adventures of Rachel Morgan with the eleventh book in the Hollows series Ever After The ever-after, the demonic realm that parallels our own, is shrinking, and if it disappears, so does all magic. It's up to witch-turned-daywalking-demon Rachel Morgan to fix the ever-after before the fragile balance between magic users and humans falls apart. Of course, there's also the small fact that Rachel is the one who caused the ley line to rip in the first place, and her life is forfeit unless she can fix it. Not to mention the most powerful demon in the ever-after the soul-eater Ku'Sox Sha-Ku'ru has vowed to destroy her, and has kidnapped her friend and her goddaughter as leverage. If Rachel doesn't give herself up, they will die. Forced by circumstance, Rachel teams up with elven tycoon Trent Kalamack a partnership fraught with dangers of the heart as well as betrayal of the soul to return to the ever-after and rescue those she loves. One world teeters on the brink of interspecies war, the other on the brink of its very demise and it's up to Rachel to keep them both from being destroyed.

She Woke Up Married When Lady Georgette Thorold awoke she saw . . . her corset hanging from the armoire . . . a very handsome, very naked Scotsman lying beside her . . . and a wedding ring on her finger! Before the attractive stranger can tell her his name, Georgette does the only sensible thing she runs for it. Little does she know, James MacKenzie isn't clear on what happened the night before either. All he knows is that his money is missing and the stunning woman who just ran from the room is either his wife or a thief . . . or possibly both. What happens in Scotland when two complete strangers fall madly, deeply in love?