Master the capabilities of PostgreSQL 10 to efficiently manage and maintain your database About This Book ? Your one-stop guide to mastering advanced concepts in PostgreSQL 10 with ease ? Master query optimization, replication, and high availability with PostgreSQL ? Extend the functionalities of your PostgreSQL instance to suit your organizational needs with minimal effort Who This Book Is For If you are a PostgreSQL data architect or an administrator and want to understand how to implement advanced functionalities and master complex administrative tasks with PostgreSQL 10, then this book is perfect for you. Prior experience of administrating a PostgreSQL database and a working knowledge of SQL are required to make the best use of this book. What You Will Learn ? Get to grips with the advanced features of PostgreSQL 10 and handle advanced SQL ? Make use of the indexing features in PostgreSQL and fine-tune the performance of your queries ? Work with stored procedures and manage backup and recovery ? Master replication and failover techniques ? Troubleshoot your PostgreSQL instance for solutions to common and not-so-common problems ? Learn how to migrate your database from MySQL and Oracle to PostgreSQL without any hassle In Detail PostgreSQL is an open source database used for handling large datasets (big data) and as a JSON document database. This book highlights the newly introduced features in PostgreSQL 10, and shows you how you can build better PostgreSQL applications, and administer your PostgreSQL database more efficiently. We begin by explaining advanced database design concepts in PostgreSQL 10, along with indexing and query optimization. You will also see how to work with event triggers and perform concurrent transactions and table partitioning, along with exploring SQL and server tuning. We will walk you through implementing advanced administrative tasks such as server maintenance and monitoring, replication, recovery, high availability, and much more. You will understand common and not-so-common troubleshooting problems and how you can overcome them. By the end of this book, you will have an expert-level command of advanced database functionalities and will be able to implement advanced administrative tasks with PostgreSQL 10. Style and approach This mastering-level guide delves into the advanced functionalities of PostgreSQL 10

A practical guide filled with case studies and easy solutions to solve the most common user experience issues About This Book ? Understand and fix the pain points of a bad UX design to ensure greater customer satisfaction. ? Correct UX issues at various stages of a UX Design with the help of different methodologies for fixing bad UXs ? See best practices and established principles in UX with case studies illustrating these practices and principles Who This Book Is For This book is for anyone confronted with a poorly designed UX. It is ideal for UX professionals who want to solve problems with existing UX designs, and UX designers who want to enhance their designs or analyze and rectify where they went wrong. What You Will Learn ? Learn about ROI and metrics in UX ? Understand the importance of getting stakeholders involved ? Learn through real cases how to fix bad UX ? Identify and fix UX issues using different methodologies ? Learn how to turn insights and finding into practical UX solutions ? Learn to validate, test and measure the UX solutions implemented ? Learn about UX refactoring In Detail Have your web applications been experiencing more hits and less conversions? Are bad designs consuming your time and money? This book is the answer to these problems. With intuitive case studies, you’ll learn to simplify, fix, and enhance some common, real-world application designs. You’ll look at the common issues of simplicity, navigation, appearance, maintenance, and many more. The challenge that most UX designers face is to ensure that the UX is user-friendly. In this book, we address this with individual case studies starting with some common UX applications and then move on to complex applications. Each case study will help you understand the issues faced by a bad UX and teach you to break it down and fix these problems. As we progress, you’ll learn about the information architecture, usability testing, iteration, UX refactoring, and many other related features with the help of various case studies. You’ll also learn some interesting UX design tools with the projects covered in the book. By the end of the book, you’ll be armed with the knowledge to fix bad UX designs and to ensure great customer satisfaction for your applications. Style and approach This book takes a practical approach, with case studies, best practices, and practical solutions to bad design

Grasp the fundamental concepts of deep learning using Tensorflow in a hands-on manner About This Book ? Get a first-hand experience of the deep learning concepts and techniques with this easy-to-follow guide ? Train different types of neural networks using Tensorflow for real-world problems in language processing, computer vision, transfer learning, and more ? Designed for those who believe in the concept of 'learn by doing', this book is a perfect blend of theory and code examples Who This Book Is For This book targets data scientists and machine learning developers who wish to get started with deep learning. If you know what deep learning is but are not quite sure of how to use it, this book will help you as well. An understanding of statistics and data science concepts is required. Some familiarity with Python programming will also be beneficial. What You Will Learn ? Understand the fundamentals of deep learning and how it is different from machine learning ? Get familiarized with Tensorflow, one of the most popular libraries for advanced machine learning ? Increase the predictive power of your model using feature engineering ? Understand the basics of deep learning by solving a digit classification problem of MNIST ? Demonstrate face generation based on the CelebA database, a promising application of generative models ? Apply deep learning to other domains like language modeling, sentiment analysis, and machine translation In Detail Deep learning is a popular subset of machine learning, and it allows you to build complex models that are faster and give more accurate predictions. This book is your companion to take your first steps into the world of deep learning, with hands-on examples to boost your understanding of the topic. This book starts with a quick overview of the essential concepts of data science and machine learning which are required to get started with deep learning. It introduces you to Tensorflow, the most widely used machine learning library for training deep learning models. You will then work on your first deep learning problem by training a deep feed-forward neural network for digit classification, and move on to tackle other real-world problems in computer vision, language processing, sentiment analysis, and more. Advanced deep learning models such as generative adversarial networks and their applications are also covered in this book. By the end of this book, you will have a solid understanding of all the essential concepts in deep learning. With the help of the examples and code provided in this book, you will be equipped to train your own deep learning models with more confidence. Style and approach A step-by-step guide filled with multiple examples to help you get started with data science and deep learning.

Learn continuous deployment and automation with code-signing, continuous testing, building, deploying, and releasing of your app. About This Book ? A practical guide on automating your mobile development pipeline with Fastlane, Jenkins, and Slack. ? Build, test, run and deploy your mobile application release with this end to end guide. ? Implement Continuous Integration, delivery, and deployment practices to optimize your application development workflow for faster and efficient release builds. Who This Book Is For This book is intended for mobile developers who are keen on incorporating Continuous integration and deployment practices in their workflow. What You Will Learn ? Harness the fastlane tools for the Continuous Deployment strategy ? Integrate Continuous Deployment with existing Continuous Integration. ? Automate upload of screenshots across all device screen-sizes ? Manage push notifications, provisioning profiles, and code-signing certificates ? Orchestrate automated build and deployments of new versions of your app ? Regulate your TestFlight users and on-board new testers In Detail Competitive mobile apps depend strongly on the development team’s ability to deliver successful releases, consistently and often. Although continuous integration took a more mainstream priority among the development industry, companies are starting to realize the importance of continuity beyond integration and testing. This book starts off with a brief introduction to fastlane—a robust command-line tool that enables iOS and Android developers to automate their releasing workflow. The book then explores and guides you through all of its features and utilities; it provides the reader a comprehensive understanding of the tool and how to implement them. Themes include setting up and managing your certificates and provisioning and push notification profiles; automating the creation of apps and managing the app metadata on iTunes Connect and the Apple Developer Portal; and building, distributing and publishing your apps to the App Store. You will also learn how to automate the generation of localized screenshots and mesh your continuous delivery workflow into a continuous integration workflow for a more robust setup. By the end of the book, you will gain substantial knowledge on delivering bug free, developer-independent, and stable application release cycle. Style and approach A step by step guide taking the readers through all the tools of fastlane.

Get command of your organizational Big Data using the power of data science and analytics About This Book ? A perfect companion to boost your Big Data storing, processing, analyzing skills to help you take informed business decisions ? Work with the best tools such as Apache Hadoop, R, Python, and Spark for NoSQL platforms to perform massive online analyses ? Get expert tips on statistical inference, machine learning, mathematical modeling, and data visualization for Big Data Who This Book Is For The book is intended for existing and aspiring Big Data professionals who wish to become the go-to person in their organization when it comes to Big Data architecture, analytics, and governance. While no prior knowledge of Big Data or related technologies is assumed, it will be helpful to have some programming experience. What You Will Learn ? Get a 360-degree view into the world of Big Data, data science and machine learning ? Broad range of technical and business Big Data analytics topics that caters to the interests of the technical experts as well as corporate IT executives ? Get hands-on experience with industry-standard Big Data and machine learning tools such as Hadoop, Spark, MongoDB, KDB+ and R ? Create production-grade machine learning BI Dashboards using R and R Shiny with step-by-step instructions ? Learn how to combine open-source Big Data, machine learning and BI Tools to create low-cost business analytics applications ? Understand corporate strategies for successful Big Data and data science projects ? Go beyond general-purpose analytics to develop cutting-edge Big Data applications using emerging technologies In Detail Big Data analytics relates to the strategies used by organizations to collect, organize and analyze large amounts of data to uncover valuable business insights that otherwise cannot be analyzed through traditional systems. Crafting an enterprise-scale cost-efficient Big Data and machine learning solution to uncover insights and value from your organization's data is a challenge. Today, with hundreds of new Big Data systems, machine learning packages and BI Tools, selecting the right combination of technologies is an even greater challenge. This book will help you do that. With the help of this guide, you will be able to bridge the gap between the theoretical world of technology with the practical ground reality of building corporate Big Data and data science platforms. You will get hands-on exposure to Hadoop and Spark, build machine learning dashboards using R and R Shiny, create web-based apps using NoSQL databases such as MongoDB and even learn how to write R code for neural networks. By the end of the book, you will have a very clear and concrete understanding of what Big Data analytics means, how it drives revenues for organizations, and how you can develop your own Big Data analytics solution using different tools and methods articulated in this book. Style and approach This book equips you with a knowledge of various NoSQL tools, R, Python programming, cloud platforms, and techniques so you can use them to store, analyze, and deliver meaningful insights from your data.

Learn the techniques for object recognition, 3D reconstruction, stereo imaging, and other computer vision applications using examples on different functions of OpenCV. About This Book ? Learn how to apply complex visual effects to images with OpenCV 3.x and Python ? Extract features from an image and use them to develop advanced applications ? Build algorithms to help you understand image content and perform visual searches ? Get to grips with advanced techniques in OpenCV such as machine learning, artificial neural network, 3D reconstruction, and augmented reality Who This Book Is For This book is intended for Python developers who are new to OpenCV and want to develop computer vision applications with OpenCV and Python. This book is also useful for generic software developers who want to deploy computer vision applications on the cloud. It would be helpful to have some familiarity with basic mathematical concepts such as vectors, matrices, and so on. What You Will Learn ? Detect shapes and edges from images and videos ? How to apply filters on images and videos ? Use different techniques to manipulate and improve images ? Extract and manipulate particular parts of images and videos ? Track objects or colors from videos ? Recognize specific object or faces from images and videos ? How to create Augmented Reality applications ? Apply artificial neural networks and machine learning to improve object recognition In Detail Computer vision is found everywhere in modern technology. OpenCV for Python enables us to run computer vision algorithms in real time. With the advent of powerful machines, we have more processing power to work with. Using this technology, we can seamlessly integrate our computer vision applications into the cloud. Focusing on OpenCV 3.x and Python 3.6, this book will walk you through all the building blocks needed to build amazing computer vision applications with ease. We start off by manipulating images using simple filtering and geometric transformations. We then discuss affine and projective transformations and see how we can use them to apply cool advanced manipulations to your photos like resizing them while keeping the content intact or smoothly removing undesired elements. We will then cover techniques of object tracking, body part recognition, and object recognition using advanced techniques of machine learning such as artificial neural network. 3D reconstruction and augmented reality techniques are also included. The book covers popular OpenCV libraries with the help of examples. This book is a practical tutorial that covers various examples at different levels, teaching you about the different functions of OpenCV and their actual implementation. By the end of this book, you will have acquired the skills to use OpenCV and Python to develop real-world computer vision applications. Style and approach The book is a practical tutorial that covers various examples at different levels, teaching you about the different functions of OpenCV and their actual implementation.

Learn to use AWS IoT services to build your connected applications with the help of this comprehensive guide. About This Book ? Gets you started with AWS IoT and its functionalities ? Learn different modules of AWS IoT with practical use cases. ? Learn to secure your IoT communication Who This Book Is For This book is for anyone who wants to get started with the AWS IoT Suite and implement it with practical use cases. This book acts as an extensive guide, on completion of which you will be in a position to start building IoT projects using AWS IoT platform and using cloud services for your projects. What You Will Learn ? Implement AWS IoT on IoT projects ? Learn the technical capabilities of AWS IoT and IoT devices ? Create IoT-based AWS IoT projects ? Choose IoT devices and AWS IoT platforms to use based on the kind of project you need to build ? Deploy AWS Greengrass and AWS Lambda ? Develop program for AWS IoT Button ? Visualize IoT AWS data ? Build predictive analytics using AWS IoT and AWS Machine Learning In Detail The Internet of Things market increased a lot in the past few years and IoT development and its adoption have showed an upward trend. Analysis and predictions say that Enterprise IoT platforms are the future of IoT. AWS IoT is currently leading the market with its wide range of device support SDKs and versatile management console. This book initially introduces you to the IoT platforms, and how it makes our IoT development easy. It then covers the complete AWS IoT Suite and how it can be used to develop secure communication between internet-connected things such as sensors, actuators, embedded devices, smart applications, and so on. The book also covers the various modules of AWS: AWS Greengrass, AWS device SDKs, AWS IoT Platform, AWS Button, AWS Management consoles, AWS-related CLI, and API references, all with practical use cases. Near the end, the book supplies security-related best practices to make bi-directional communication more secure. When you've finished this book, you'll be up-and-running with the AWS IoT Suite, and building IoT projects. Style and approach This book is a step-by-step practical guide that helps you learn AWS IoT quickly.

Get to grips with the essentials of deep learning by leveraging the power of Python About This Book ? Your one-stop solution to get started with the essentials of deep learning and neural network modeling ? Train different kinds of neural networks to tackle various problems in Natural Language Processing, computer vision, speech recognition, and more ? Covers popular Python libraries such as Tensorflow, Keras, and more, along with tips on training, deploying and optimizing your deep learning models in the best possible manner Who This Book Is For Aspiring data scientists and machine learning experts who have limited or no exposure to deep learning will find this book to be very useful. If you are looking for a resource that gets you up and running with the fundamentals of deep learning and neural networks, this book is for you. As the models in the book are trained using the popular Python-based libraries such as Tensorflow and Keras, it would be useful to have sound programming knowledge of Python. What You Will Learn ? Get to grips with the core concepts of deep learning and neural networks ? Set up deep learning library such as TensorFlow ? Fine-tune your deep learning models for NLP and Computer Vision applications ? Unify different information sources, such as images, text, and speech through deep learning ? Optimize and fine-tune your deep learning models for better performance ? Train a deep reinforcement learning model that plays a game better than humans ? Learn how to make your models get the best out of your GPU or CPU In Detail Deep Learning a trending topic in the field of Artificial Intelligence today and can be considered to be an advanced form of machine learning, which is quite tricky to master. This book will help you take your first steps in training efficient deep learning models and applying them in various practical scenarios. You will model, train, and deploy different kinds of neural networks such as Convolutional Neural Network, Recurrent Neural Network, and will see some of their applications in real-world domains including computer vision, natural language processing, speech recognition, and so on. You will build practical projects such as chatbots, implement reinforcement learning to build smart games, and develop expert systems for image captioning and processing. Popular Python library such as TensorFlow is used in this book to build the models. This book also covers solutions for different problems you might come across while training models, such as noisy datasets, small datasets, and more. This book does not assume any prior knowledge of deep learning. By the end of this book, you will have a firm understanding of the basics of deep learning and neural network modeling, along with their practical applications. Style and approach This step-by-step guide is filled with real-world practical examples and use cases to solve various deep learning problems.

　　《轻松玩转旅游日语大全集》是为想去旅行但不懂日语的人量身造的旅游日语工具书。 　　本书精选交通、住宿、物、餐饮等13大主题，193种旅行中一定会遇到的场景，除了具备一般教材中*正规、*完整的用法外，还特别为游客贴身设计了“懒人极短句”，又好说又准确。两种说法一起学，遇到任何情况、在任何场合都能应对自如。另外考虑到游客的需求，还特别将本书设计成了1书2用的形式，左页学习表达自己，右页学习听懂对方的回答及类似回答，能听、会说让你玩得更尽兴！而且每个句子都贴心地给出了罗马音标，翻就会说，扫描二维码还能听地道日语，现学现用就能畅游日本！另外本书还附赠标准日语发音光盘，方便学习地道的语音、语调！ 　　走遍日本，带上这本就GO！

He made a dangerous wager…and won himself a wife Gambling hells are Sir Develin Dundrake’s forte. Hunting risk, craving victory, he’s surprised by nothing. Until the woman whose dowry Develin has claimed in a card game proposes the only solution that will rescue her from ruin: a wedding. Wicked Develin isn’t made for matrimony, but all Lady Theodora Markham demands is a convenient arrangement. He must avoid falling for his wife’s sensual charms – there are secrets hidden behind her beguiling gaze – yet neither can resist surrendering to the passion their marriage bed promises!

She was promised to another… When widow Fiona Goldberg and her two adorable sons arrive in Oak Grove, Kansas, proclaimed bachelor Brett Blackwell is instantly captivated. But when he learns she's promised to the mayor he tries his best to keep his distance… Out of desperation, Fiona has agreed to become a mail-order bride for the disagreeable, self-important mayor. But something about her neighbour Brett makes her feel safe. She knows she must fight her growing feelings for the forbidden blacksmith, even while longing for him to rescue her and take her as his bride himself!

The truth about that night… Nurse Chrissie Tomberlain never thought she’d see the unforgettable Dr Trace Stevens, father of her little boy, again. She hasn’t heard from him in four years, but then he shows up at a charity event, and offers her another night of unbridled, no-strings passion! Driven by his own demons, nomadic Trace has been saving lives in the world’s most war-torn places. He’s never wanted to put down roots, but then beautiful Chrissie turns his whole life upside down with one incredible revelation…he’s a father!

A gift impossible to resist! When a firefighter rushes a child into her ER, Dr Sarah Grayson is stunned that the ash-covered, exhausted hero is her incorrigible playboy neighbour, Jude Davenport! Sarah is wary of such men, but when gorgeous Jude suggests a Christmas fling, she can’t resist. Yet their relationship deepens, and Sarah sees behind the playboy is a man who has loved and lost. He might try to keep his emotions on ice, but Sarah begins to wonder – could she be the one to heal his damaged heart? Christmas in Manhattan All the drama of the ER, all the magic of Christmas!

Temporary Christmas fiancée – to future duchess! When paramedic Mateo Alves unexpectedly becomes heir to his family’s dukedom, he’s asked to return home. But Mateo loves his New York career. So when sparks fly between him and beautiful ER doc Miranda Davenport he sees a way to appease his family over the holidays… Miranda can’t believe she’s agreed to be Mateo’s temporary fiancée but as love-child to the head of the wealthy Davenports she knows all about troubled families. Can a magical Spanish Christmas together bring them both the happiness and belonging they deserve? Christmas in Manhattan All the drama of the ER, all the magic of Christmas!

All the single mum wants for Christmas… London A&E doctor, Matthew Chase, is shocked that his new role has become a job-share – with Dr Amanda Wakehurst – the last woman he expected to see again. Matthew is also unaware he’s the father of her little boy, until Tristan is critically injured. Yet Matthew is there to support Amanda in her hour of need, and proves how much he wants to be Tristan’s Dad. Dare she hope he still wants her too? Being together as a family this Christmas would be her ultimate gift…

Rescued by a brooding stranger… Jilted heiress Penny Hindmarsh-Firth has set her broken heart on escaping high society city life. But she’s trapped by floods in the Outback, and a handsome stranger on horseback comes to her rescue! After a betrayal shattered his life Matt Fraser withdrew from the world—but he can’t deny Penny refuge. This secret billionaire is reluctantly intrigued as the society princess begins proving there’s more to her than meets the eye…

MY BIG FAKE BOYFRIEND Olivia Fortune Robinson has done some crazy things in her life, but this has to be one of the craziest. She has just propositioned sexy Alejandro Mendoza to be her pretend boyfriend for a week. What's even crazier? He said yes! They're doing it all for Sophie--or so they think. Liv's cynical view of marriage accidentally convinced her little sister to call off her own wedding, and Liv has to fix things and quick. What better way than to "fall in love" herself? Tall, dark and alpha, Alejandro doesn't seem to mind having Liv on his arm--or in his bed. But when the two commitment-phobes suddenly become faux fiancés, Liv's traitorous heart starts to fall for real... Is Alejandro's far behind?

From princess to rockstar royalty! Self-proclaimed ‘black sheep’ Princess Charlie of Afland has worked long and hard to be taken seriously in the music industry, managing to keep her royal obligations, and her secret heartbreak, under the radar. Until one night in Vegas changes everything… Rockstar Joe Kavanagh gets more from his Vegas gig than he’d bargained for...a princess bride and a PR story to die for! As the initial attraction, which led them down the aisle, turns into something deeper, keeping their marriage strictly business proves increasingly difficult!

RITA Award-winning author Leah Ashton never expected to write books. She grew up reading everything she could lay her hands on – from pony books to the back of cereal boxes at breakfast. One day she discovered the page-turning, happy-sigh-inducing world of romance novels… and one day, much later, wondered if maybe she could write one too. Leah now lives in Perth, Western Australia and writes happy ever afters for heroines who definitely don’t need saving. She has a gorgeous husband, two amazing daughters and the best intentions to meal plan and have an effortlessly tidy home. When she’s not writing, Leah loves all day breakfast, rambling conversations and laughing until she cries. She really hates cucumber. And scary movies.

And the prince wore spurs! A bourbon-tinged evening turns into a night of spur-jangling passion. And wrapped in the arms of hunky cowboy Zane Phillips, Lucy Campbell feels like her dreams have come true all at once! But she knows Zane needs a chance to let their move from friends to lovers sink in. That is, until reality knocks…and Lucy discovers she's pregnant. This wasn't how Zane imagined daddy-hood would happen. And with pretty Lucy…his best friend's little sister! He wants to do right by her and the baby, but Lucy wants the fairy tale, not a marriage of obligation. And while this simple cowboy isn't sure he can measure up as her Prince Charming, the real magic is that he's had her heart all along…

Falling for the enemy! Italian movie star Javier Russo needs to escape his Hollywood life. Isola dei Fiori is the perfect retreat—a lush island in the glittering Mediterranean. What he didn't expect was having to share his peaceful hideaway with the infuriatingly beautiful Portia Marlowe! Celebrity reporter Portia is intrigued by her unwelcome and mysterious visitor, and the secrets he's clearly holding back. Villa Rosa isn't big enough for both of them, and soon there's nowhere to hide from their simmering chemistry! Summer at Villa Rosa - Book 2 of 4