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.

对莫奈而言，艺术创作始终是一种痛苦的挣扎。较之同时代人，他更深沉地痴迷于表达情感，更强烈地渴望传达超越大自然的光线效果。用他自己的话来形容：“技巧来来去去……艺术始终如一——它是大自然的转译，需要与意志力同等的敏感性。我和太阳搏斗……（我）应该用金子和宝石作画。”

对莫奈而言，艺术创作始终是一种痛苦的挣扎。较之同时代人，他更深沉地痴迷于表达情感，更强烈地渴望传达超越大自然的光线效果。用他自己的话来形容：“技巧来来去去……艺术始终如一——它是大自然的转译，需要与意志力同等的敏感性。我和太阳搏斗……（我）应该用金子和宝石作画。”

二十世纪是艺术史上的革命岁月。在其短短的几年中，现代主义喷薄而出，打破了几个世纪以来的古典形象艺术传统，创造出了崭新的作品。这本令人震撼地全面地展现了艺术的现代时代的作品，勾勒了二十世纪几场关键的艺术运动，从野兽派到流行艺术，详细特写了这一时代中负盛名的一些作品，也刊登了艺术批评家和艺术史学家的那些富有启发性的文章。翻开此书犹如打开了一扇进入现代艺术大家心灵世界的大门，生动而丰富，对于任何一个现代艺术粉丝来说，二十世纪的艺术都是不可或缺之物。

这本书讨论了西伯利亚的人民和传统，作为一本艺术、社会和历史的读物，将吸引很多读者。近，在圣彼得堡民族博物馆隐藏的密室中发现的材料具有轰动一时的重要性。在这本书中，这些材料的内容次出版面市，并经过了重新解释。作者才华横溢地表达了他们对这一反抗艰难环境和政治统治的民族热情和崇拜。

Author Gretchen Waters made a name for herself with her bestseller Tammyland—a memoir about her divorce and her admiration for country music icons Tammy Wynette, Loretta Lynn, and Dolly Parton that was praised as a "honky-tonk Eat, Pray, Love." But her writing career is cut abruptly short when she dies from a fall down a set of stone library steps. It is a tragic accident and no one suspects foul play, certainly not Gretchen's best friend from college, Jamie, who's been named the late author's literary executor. But there's an unfinished manu* Gretchen left behind that is much darker than Tammyland: a book ostensibly about male country musicians yet centered on a murder in Gretchen's family that haunted her childhood. In its pages, Gretchen seems to be speaking to Jamie from beyond the grave—suggesting her death was no accident . . . and that Jamie must piece together the story someone would kill to keep untold.

In his latest mission, Commander Jeffrey Fuller will go head–to–head against his most dangerous adversary yet – his own allies.Jeffrey Fuller has a new mission – use his cutting–edge submarine Challenger to recover a German spy claiming to have key information about the Berlin–Boer Axis, information that could be crucial to winning the war. Fuller will have to navigate his super–silent sub through some of the most densely patrolled waters in Europe if he hopes to accomplish his mission.But Fuller knows he can't trust the spy, code–named Zeno, an expert in electronic and information warfare. The man could be a double agent sent by the enemy to compromise Challenger. And when they finally recover the mysterious spy, he reveals that only by helping him infiltrate Israel can he hope to prevent an imminent Axis attack. Fuller is caught in a terrible dilemma – if the man is a double agent, he could be dooming Israel, but if he does nothing, the country could fall to the German assault. To go ahead with the plan would pitch Fuller against the best defences of his own allies, placing his crew in danger and possibly shattering bonds between nations. It is a battle that, if fought, Fuller will have to fight entirely on his own.

Described as "utterly captivating" by Richelle Mead and as "enchanting and exciting, romantic and believable" by Melissa Marr, the New York Times bestselling Unearthly series has dazzled readers and critics alike. In this riveting finale, Cynthia Hand explores the timeless question of whether it is better to follow the rules or your heart. This incandescent paranormal romance will win the hearts of fans of Becca Fitzpatrick, Andrea Cremer, and Cassandra Clare.The past few years held more surprises than part-angel Clara Gardner ever could have anticipated. Now, with the fallen angel who attacked her watching her every move and the threat of Black Wings looming, Clara knows she must finally fulfill her destiny—a destiny that includes Christian Prescott by her side. But in order to complete her purpose, Clara must first find a way to give up the thing she wants most . . . a future with the boy she loves, Tucker Avery.

For months Clara Gardner trained to face the fire from her visions, but she wasn't prepared for the choice she had to make that day. And in the aftermath, she discovered that nothing about being part angel is as straightforward as she thought.Now, torn between her love for Tucker and her complicated feelings about the roles she and Christian seem destined to play in a world that is both dangerous and beautiful, Clara struggles with a shocking revelation: Someone she loves will die in a matter of months. With her future uncertain, the only thing Clara knows for sure is that the fire was just the beginning.In this compelling sequel to Unearthly, Cynthia Hand captures the joy of first love, the anguish of loss, and the confusion of becoming who you are.

Like The Forest of Hands and Teeth, Elizabeth Norris’s Unraveling blends realistic coming-of-age issues with a gripping science fiction world.Unraveling’s heroine, sixteen-year-old Janelle Tenner, is used to having a lot of responsibility. She balances working as a lifeguard in San Diego with an intense academic schedule. Janelle’s mother is bipolar, and her dad is a workaholic FBI agent, which means Janelle also has to look out for her younger brother, Jared.And that was before she died…and is brought back to life by Ben Michaels, a mysterious, alluring loner from her high school. When she discovers a strange clock that seems to be counting down to the earth’s destruction, Janelle learns she has twenty-four days to figure out how to stop the clock and save the planet.

I Am Number Four meets the TV show Fringe in this thrilling, high-stakes sequel to Unraveling.Four months after Ben returned to his home universe, Janelle believes she'll never see him again. Her world is still devastated, but civilization is slowly rebuilding, and life is resuming some kind of normalcy—until Interverse agent Taylor Barclay shows up, asking for Janelle's help. Somebody from an alternate universe is kidnapping people and selling them on different Earths. And Ben is the prime suspect. When Janelle learns that someone she cares about—someone from her own world—is one of the missing, she knows that she has to help Barclay, regardless of the danger.Now Janelle has five days to track down the real culprit, locate the missing people before they're lost forever, and reunite with the boy who stole her heart. But as the clues add up, Janelle realizes that she may not know Ben as well as she thought. Can she uncover the truth before everyone she cares about is killed?In this heart-pounding sequel to Unraveling, author Elizabeth Norris explores the sacrifices we make to save the people we love and the worlds we'll travel to find them.

Fans of Anne Ursu will love Anne Nesbet's tale of music and friendship, set against an age-old war between magic and science.In the enchanted village of Lourka, almost-twelve-year-old Linny breaks an ancient law. Girls are forbidden to so much as touch the town's namesake musical instrument before their twelfth birthday or risk being spirited away. But Linny can't resist the call to play a lourka, so she builds one herself.When the punishment strikes her best friend instead, Linny must leave home to try to set things right. With her father's young apprentice, Elias, along for the journey, Linny travels from the magical wrinkled country to the scientific land of the Plain, where she finds herself at the center of a battle between the logical and the magical.

In the third book of F. T. Bradley's spy adventure series that ALA Booklist calls "hilarious" and "authentic," troublemaker Linc Baker must infiltrate the set of a Hollywood blockbuster in order to stop a terrorist's plan for worldwide destruction.After his last mission, Linc thought his undercover junior agent days were behind him and tons of boring studying ahead of him. But when supersecret government agency Pandora wants your help, you don't exactly have a choice. Sinister criminal Ethan Melais is on the loose in Tinseltown, and it's up to Linc to find him.But while he's on the job, Linc is snagged by a famous director to star in a movie. Add "trying to impress the cute Hollywood starlet Savannah Stone" to Linc's to-do list and this mission has suddenly become more complicated. As always, Linc's look-alike agent nemesis, Ben Green, is hot on Linc's heels, and time is running out. Can Linc nab the thief, charm Savannah, and beat Ben at his own game?

The life of 31-year-old trophy wife Wynter Morrison suddenly changes course when her husband announces one evening that their marriage is over. Emotionally devastated and desperate for a change of scenery, Wyn moves to Seattle where she spends aimless hours at a local bakery, sipping coffee and inhaling the sweet aromas of freshly-made bread. These visits bring back memories of her long-ago apprenticeship at a French boulangerie, and when offered a position at the bakery, Wyn quickly accepts -- hoping that the rituals of baking will help her move on. Working long hours among the bakery's cluster of eclectic women -- Linda, the irascible bread baker; earth mother Ellen and her partner Diane; and Tyler, the blue-haired barista -- Wyn awakens to the truths that she missed while living the good life in Hancock Park. Soon Wyn discovers that making bread possesses an unexpected and wondrous healing power, helping her to rediscover that nothing stays the same... bread rises, pain fades, the heart heals, and the future beckons.

A Must-Have Guide for the Smart VeganA vegan lifestyle is the newest hot health trend—thanks in no small part to the smart, fearless, and number one New York Times bestselling Skinny Bitch books. But with so much conflicting information out there, it's not always easy to make the best choices. Now Skinny Bitch coauthor Kim Barnouin is back with a book that makes making the right vegan choice easy. In Skinny Bitch Book of Vegan Swaps, Kim Barnouin takes the mystery out of following a plant-based diet. It's a comprehensive, user-friendly guide that tells you what foods look healthy, but actually aren't, and explains how to avoid the stuff you don't want. And because Kim knows that the concerns of today's savvy eaters run the gamut from calories to carbon footprints, she explains it all.Skinny Bitch Book of Vegan Swaps offers exciting and tasty alternatives for vegans, whether you're just starting out or have been a vegan for years. Barnouin's fun, no-nonsense voice sparkles on every page and in helpful lists and features like:The Best Places for Vegans to Grocery ShopDelicious Swaps for Your Favorite Dairy ProductsTop Ten Things to Eat While Stranded in an Airport

On a snowy Friday night in 1979, just hours after making love for the first time, Richard's girlfriend, high school senior Karen Ann McNeil, falls into a coma. Nine months later she gives birth to their daughter, Megan. As Karen sleeps through the next seventeen years, Richard and their circle of friends reside in an emotional purgatory, passing through a variety of careers—modeling, film special effects, medicine, demolition—before finally reuniting on a conspiracy-driven super-natural television series. But real life grows as surreal as their TV show as Richard and his friends await Karen's reawakening . . . and the subsequent apocalypse.

When Susannah Delaney discovers her young son is being bullied and her adolescent daughter is spinning out of control, she moves them to remote, rustic Sounder Island to live for a year. A simple island existence—with no computers or electricity and only a one-room schoolhouse—is just what her over scheduled East Coast kids need to learn what's really important in life. But the move threatens her marriage to the man she's loved since childhood, and her very sense of self.For Betty Pavalak, who moved to Sounder to save her own troubled marriage, the island has been a haven for fifty years. But Betty also knows the guilt of living with choices made long ago and actions that cannot be undone. The unlikely friendship between Susannah and Betty ignites a journey of self-discovery for both women and brings them both home to what they love most. A Simple Thing moves beyond friendship, children, and marriages to look deeply into what it means to love and forgive—yourself.

Getting what you want is just the beginning. Now you have to discover what you truly need. . . . Georgia Bing and Alice Kinnaird have always been there for each other. Eager to help her best friend have another baby after several miscarriages, Alice donates one of her eggs. When Georgia learns she's going to have the baby boy she's always wanted, she's thrilled—until a devastating discovery destroys her dreams.While Alice is happy to help her friend get pregnant, she also feels a twinge of disappointment that her own life is missing something . . . something she desperately craves. On the surface, Alice has everything—a busy social life, a great job, a faithful husband, an amazing teenage daughter. But her well-ordered world is knocked off its axis when she's tempted by a forbidden passion that threatens the bonds of friendship, marriage, and motherhood that sustain her.As the safety of their past is shattered, Georgia and Alice must embark on journeys of self-discovery—odysseys filled with surprising challenges that will test them and force them to confront the truth about their lives . . . and the choices they've made.

New York Times bestselling author of The Joy Luck Club Amy Tan brings us her latest novel: a sweeping, evocative epic of two women's intertwined fates and their search for identity—from the lavish parlors of Shanghai courtesans to the fog- shrouded mountains of a remote Chinese villageShanghai, 1912. Violet Minturn is the privileged daughter of the American madam of the city's most exclusive courtesan house. But when the Ching dynasty is overturned, Violet is separated from her mother in a cruel act of chicanery and forced to become a "virgin courtesan." Half-Chinese and half-American, Violet grapples with her place in the worlds of East and West—until she is able to merge her two halves, empowering her to become a shrewd courtesan who excels in the business of seduction and illusion, though she still struggles to understand who she is.Back in 1897 San Francisco, Violet's mother, Lucia, chooses a disastrous course as a sixteen-year-old, when her infatuation with a Chinese painter compels her to leave her home for Shanghai. Shocked by her lover's adherence to Chinese traditions, she is unable to change him, despite her unending American ingenuity.Fueled by betrayals, both women refuse to submit to fate and societal expectations, persisting in their quests to recover what was taken from them: respect; a secure future; and, most poignantly, love from their parents, lovers, and children. To reclaim their lives, they take separate journeys—to a backwater hamlet in China, the wealthy environs of the Hudson River Valley, and, ultimately, the unknown areas of their hearts, where they discover what remains after their many failings to love and be loved. Spanning more than forty years and two continents, The Valley of Amazement transports readers from the collapse of China's last imperial dynasty to the beginning of the Republic and recaptures the lost world of old Shanghai through the inner workings of courtesan houses and the lives of the foreigners living in the International Settlement, both erased by World War II. A deeply evocative narrative of the profound connections between mothers and daughters, imbued with Tan's characteristic insight and humor, The Valley of Amazement conjures a story of inherited trauma, desire and deception, and the power and obstinacy of love.

Bethany Griffin continues the journey of Araby Worth in Dance of the Red Death—the sequel to her teen novel Masque of the Red Death. Lauren DeStefano, author of the New York Times bestselling Chemical Gardens trilogy, called Masque of the Red Death "luscious, sultry, and lingeringly tragic."In Dance of the Red Death, Araby's world is in shambles—betrayal, death, disease, and evil forces surround her. She has no one to trust. But she will fight for herself, for the people she loves, and for her city. Her revenge will take place at the menacing masked ball. It could destroy her and everyone she loves . . . or it could turn her into a hero.With a nod to Edgar Allan Poe, Bethany Griffin concludes her tragic and mysterious Red Death saga about a heroine that young adult readers will never forget.