Build dynamic, data-driven websites and modern web applications with Flask About This Book Discover the most popular Flask resources on the web with ease Familiarize yourself with third-party libraries commonly used with Flask Create a fast, interactive, and secure web app with this hands-on guide Who This Book Is For This book is for anyone who wants to develop their knowledge of Python into something that can be used on the web. Flask follows the Python design principles and can be easily understood by anyone who knows Python, and even by those who do not. What You Will Learn Create your web pages to add modularity and flexibility to your web app using templates Store and retrieve relational data using SQLAlchemy Develop schema migrations with Alembic Produce an admin section using flask-admin Build RESTful APIs using Flask-Restless Simulate requests and sessions using the Flask test client Make Ajax requests from Jinja2 templates In Detail Flask is a small and powerful web development framework for Python. It does not presume or force a developer to use a particular tool or library. Flask supports extensions that can add application features as if they were implemented in Flask itself. Flask’s main task is to build web applications quickly and with less code. With its lightweight and efficient web development framework, Flask combines rapid development and clean, simple design. This book will take you through the basics of learning how to apply your knowledge of Python to the web. Starting with the creation of a “Hello world” Flask app, you will be introduced to the most common Flask APIs and Flask’s interactive debugger. You will learn how to store and retrieve blog posts from a relational database using an ORM and also to map URLs to views. Furthermore, you will walk through template blocks, inheritance, file uploads, and static assets. You will learn to authenticate users, build log in/log out functionality, and add an administrative dashboard for the blog. Moving on, you will discover how to make Ajax requests from the template and see how the Mock library can simplify testing complex interactions. Finally, you will learn to deploy Flask applications securely and in an automated, repeatable manner, and explore some of the most popular Flask resources on the web. Style and approach A comprehensive guide packed with real-world examples and popular use cases; starting with basic overviews and diving into the practical aspects of Flask Framework.

Utilize ServiceStack as the rock solid foundation of your distributed systemAbout This BookTake advantage of the various data providers to access authentication and authorization, sessions, cache, and databaseLeverage asynchronous processing for decoupling components to ease scalingMonitor and tune the performance of your distributed system Who This Book Is For Mastering ServiceStack is targeted at developers who have already implemented web services with ASMX, WCF, or ServiceStack and want to gain more insight into the possibilities ServiceStack has to offer to build distributed systems of all scales.What You Will LearnDesign a prudent and resilient API, following the RESTful designUnderstand the internal processing chain and utilize the provided hooksIncorporate ServiceStack as a full service provider to your existing distributed systemLeverage the power of asynchronous processing and add message queues to your architectureAnalyze and tune the performance of your service In Detail Mastering ServiceStack covers real-life problems that occur over the lifetime of a distributed system and how to solve them by deeply understanding the tools of ServiceStack. Distributed systems is the enterprise solution that provide flexibility, reliability, scaling, and performance. ServiceStack is an outstanding tool belt to create such a system in a frictionless manner, especially sophisticated designed and fun to use. The book starts with an introduction covering the essentials, but assumes you are just refreshing, are a very fast learner, or are an expert in building web services. Then, the book explains ServiceStack's data transfer object patterns and teach you how it differs from other methods of building web services with different protocols, such as SOAP and SOA. It also introduces more low-level details such as how to extend the User Auth, message queues and concepts on how the technology works. By the end of this book, you will understand the concepts, framework, issues, and resolutions related to ServiceStack.Style and approach A step-by-step approach that follows the natural requirements of a distributed system in a conversational style.

A complete guide to dominating search engines with your WordPress siteAbout This BookEverything you need to get your WordPress site to the top of search engines and bring thousands of new customers to your blog or businessLearn everything from keyword research and link building to customer conversions, in this complete guidePacked with real-word examples to help get your site noticed on Google, Yahoo, and Bing Who This Book Is For This book is for anyone who runs any of the over 90,000,000 WordPress installations throughout the world. If you can login to your WordPress website, you can implement most of the tips in this book without any coding experience.What You Will LearnThe elements that search engines use to rank websites—and how to optimize your site for premium placementHarness social media sites to extend the reach of your site and gain more visitorsDiscover the high-volume, high-value search phrases that customers use when searching for your products or servicesAvoid dangerous black-hat optimization techniques and the people who advocate and purvey themBuild high-quality, high-value links from other websites to raise your rankings in search enginesCreate optimized and engaging content that both search engines and readers will loveAvoid common SEO mistakes that can get your site penalized by search engines In Detail WordPress is a powerful platform for creating feature-rich and attractive websites but, with a little extra tweaking and effort, your WordPress site can dominate search engines and bring thousands of new customers to your business. WordPress Search Engine Optimization will show you the secrets that professional SEO companies use to take websites to the top of search results. You'll take your WordPress site to the next level; you'll brush aside even the stiffest competition with the advanced tutorials in this book.Style and approach This is a practical, hands-on book based around sound SEO techniques specifically applied to WordPress. Each chapter starts with a brief overview of the important concepts then quickly moves into practical step-by-step actions you can take immediately. Throughout the book, you'll get clear instructions and detailed screenshots, so you can see exactly what to do each step of the way.

Unleash the true potential of Ubuntu Server in your production environment using this administration guide About This Book Learn how to deploy and configure Ubuntu servers and work with cloud and hyper-visors Optimize network traffic to broadcast and multicast the traffic flow in OpenStack clouds Discover the essentials of the latest version of Ubuntu, which are good in both looks and performance, using this fast-paced guide Who This Book Is For This book is for system administrators who are familiar with the fundamentals of the Linux operating system and are looking for a fast-paced guide on Ubuntu, and those who are familiar with the older versions of Ubuntu and want to get up to scratch. Basic knowledge of Linux administration is assumed. What You Will Learn Install and set up Ubuntu Server in the shortest possible time, manually as well as in an automated way, for a single server or hundreds of servers Discover the fundamentals of the Ubuntu command-line interface Configure and administer Ubuntu Server using networking and CLI Deploy servers on Ubuntu in the simplest and fastest ways Enhance security within Ubuntu Server using tools such as firewalls, IDS, and IPS and procedures such as restore, rescue, and recovery Work with virtualization, clouds, and one of the best in open source cloud computing —OpenStack Optimize CLI for grep and exec commands and gain some best tips and tricks for Ubuntu Server administration In Detail Ubuntu is a Debian-based Linux operating system built on top of the Debian architecture. It is used to make operating systems for multiple platforms, including phones, desktops, TVs and mobiles. It has made some serious progress in the realms of efficiency and user friendliness. With evolving technology trends, demands on software have changed, with more and more skilled users. Over the past few years, services such as Facebook, Twitter, and push notifications on smartphones mean that users are used to being up to date with everything that happens all the time. With SignalR, the applications stay connected and will generate notifications when something happens either from the system or by other users. This provides new opportunities for the system administrators, to enter this new and exciting world of real-time application development. This is a concise and a cost-friendly guide, packed with up-to-date essentials on Ubuntu Server fundamentals. It will guide you through deploying and configuring Ubuntu servers in your office environments. You’ll start by installing Ubuntu Server, then move to the most useful aspect —the command-line interface inside it. You’ll extend your knowledge by learning how to administrate and configure Ubuntu Server. You will also see how to deploy services on Ubuntu Server and find out how to secure it. You’ll get to grips with the virtualization and cloud computing facilities provided by Ubuntu, and finally, you’ll gain some very useful tips. Style and approach This concise and easy-to-follow guide follows a step-by-step approach to help you master Ubuntu server, no matter what your level of expertise it. Each topic is explained sequentially with both essential information and whenever needed, in-depth references.

Wield the power of OpenStack Neutron networking to bring network infrastructure and capabilities to your cloud About This Book This completely up-to-date edition will show you how to deploy a cloud on OpenStack using community-driven processes. It includes rich examples that will help you understand complex networking topics with ease Understand every aspect of designing, creating, customizing, and maintaining the core network foundation of an OpenStack cloud using OpenStack Neutron all in one book Written by best-selling author James Denton, who has more than 15 years of experience in system administration and networking. James has experience of deploying, operating, and maintaining OpenStack clouds and has worked with top enterprises and organizations Who This Book Is For If you are an OpenStack-based cloud operator and administrator who is new to Neutron networking and wants to build your very own OpenStack cloud, then this book is for you. Prior networking experience and a physical server and network infrastructure is recommended to follow along with concepts demonstrated in the book. What You Will Learn Architect and install the latest release of OpenStack on Ubuntu Linux 14.04 LTS Review the components of OpenStack networking, including plugins, agents, and services, and learn how they work together to coordinate network operations Build a virtual switching infrastructure using reference architectures based on ML2 + Open vSwitch or ML2 + LinuxBridge Create networks, subnets, and routers that connect virtual machine instances to the network Deploy highly available routers using DVR or VRRP-based methods Scale your application with haproxy and Load Balancing as-a-Service Implement port and router-level security using Security Groups and Firewall as-a-Service Provide connectivity to tenant networks with Virtual Private Networking as-a-Service (VPNaaS) Find out how to manage OpenStack networking resources using CLI and GUI-driven methods In Detail OpenStack Neutron is an OpenStack component that provides networking as a service for other OpenStack services to architect networks and create virtual machines through its API. This API lets you define network connectivity in order to leverage network capabilities to cloud deployments. Through this practical book, you will build a strong foundational knowledge of Neutron, and will architect and build an OpenStack cloud using advanced networking features. We start with an introduction to OpenStack Neutron and its various components, including virtual switching, routing, FWaaS, VPNaaS, and LBaaS. You’ll also get hands-on by installing OpenStack and Neutron and its components, and use agents and plugins to orchestrate network connectivity and build a virtual switching infrastructure. Moving on, you’ll get to grips with the HA routing capabilities utilizing VRRP and distributed virtual routers in Neutron. You’ll also discover load balancing fundamentals, including the difference between nodes, pools, pool members, and virtual IPs. You’ll discover the purpose of security groups and learn how to apply the security concept to your cloud/tenant/instance. Finally, you'll configure virtual private networks that will allow you to avoid the use of SNAT and floating IPs when connecting to remote networks. Style and approach This easy-to-follow guide on networking in OpenStack follows a step-by-step process to installing OpenStack and configuring the base networking components. Each major networking component has a dedicated chapter that will build on your experience gained from prior chapters.

The beautiful Ariana Dancer is orphaned and has led a cheerless life in London with her disagreeable Guardian, Uncle Konstantin Bardici. He has shown little interest in his niece and she has been left very much to her own devices. One day Uncle Konstantin suggests that Ariana marry an Albanian Prince – one who is seeking an English wife and who claims to have fallen in love with her portrait – and it does not take much to persuade her to agree. Even before she sets out for Albania, she begins to dream of romance and her lonely heart ensures that she quickly fancies herself in love with a man she has never seen. She is sure in her heart that she will find everlasting happiness with Prince Stefan of Dukka in the depths of Albania.! But the journey she must take to fulfil her dreams is longer and more treacherous than she could ever have imagined. When she and her hapless maid are kidnapped en route to Castle Dukka by brigands, the rosy future she dreamed of becomes bitterly compromised. Soon life in the wild mountains begins to exert an unexpected pull, while the King of the Brigands turns out to possess an irresistible charm. Ariana discovers that love can have a double meaning and that image is not all that it seems. Forced to choose between honour and passion and faced with the responsibility of deciding life or death for the man she loves, she bravely makes the ultimate sacrifice. Even then Ariana’s torment is not over – Find out how Ariana unexpectedly finds all that she has been seeking, and more, in this exciting and unusual romantic tale by BARBARA CARTLAND

Nesta história, o Duque de Darlington, tinha que se dar por vencido! Sempre era considerado, um Vencedor, pois estava acostumado a ganhar, sempre em todos os duelos e a ser assediado, pelas mais belas e sofisticadas mulheres de Londres. Mas, quando Felícia, entrou na sua vida, ele acabou por sucumbir, numa verdadeira armadilha. Acabou por se apaixonar por uma linda e jovem recém-saída de um Convento, ao qual ele salvara uns anos antes, quando ela era, ainda uma inocente menina! Mas agora transformada numa bonita e bela jovem mulher, apaixonara-se por ela profundamente. Como iria reagir Felícia, sua protegida e admiradora inocente, sendo ele seu Tutor, suspirava pelo seu amor e seus beijos, quando ela, marcada por um passado muito infeliz, sofria de um medo irracional dos homensComo mostrar àquela bonita jovem assustada, que a amava como mulherComo é que ela o iria aceitarSendo ele, o único homem em quem ela confiava e idolatrava como a um santo, por tê-la salvo de um grande sofrimento. Ele, corria o risco, de perdê-la para sempre!

From the moment he turned up late to her charity's meeting, placating everyone with a tip of his Stetson and a lazy smile, Angela Beck knew that Sam Diamond was going to be Trouble with a capital T.Angela is the prickliest woman Sam's ever met--let alone had to work with! He'd love to still her sharp tongue with a kiss, but first he has to get close enough to awaken the complex woman beneath the deliberately cool exterior. And that's something only a real cowboy can do....

Dare to dream… these sparkling romances will make you laugh, cry and fall in love – again and again! Ten years ago, Laura, the love of Taft’s life, had left town without a word, then or since. Now she was back, with a new last name – and two adorable little ones in tow. Ready to make the same mistake twice, Taft’s now determined to convince her that he’s the one who can win her heart.

Travis Falcon has leaped to stardom in a single bound, but he has one problem. The gossip rags are making a fuss over a certain incident between him and a woman, so his boss has ordered him to date a proper lady. Just then, he encounters the perfect candidate for the role: Charlene, who found her way into the studio following another actor. Travis and she decide to pretend to be dating, and ultimately, they forge a bond like that between brother and sister. Until one night, when everything changes…

With his break-your-heart smile, Ty is trouble that Clara shouldn’t touch with a ten-foot pole. Rodeo star and rebel, he’s got a reputation that should have her running scared, not straight into his arms! But Ty isn’t all he seems – and his gentle side shakes Clara’s resolute independence to breaking point.

Single mum Jess can’t help but notice sexy cowboy Johnny. He’s as wild as the stallions he trains. But Jess has learned never to trust a man in a stetson. Their fiery attraction is as hot as a Texan summer but can this wild wanderer finally be tamed?

The new vet, city girl Alexandra Patterson, may be more used to pampered pooches than prized stallions, but Alex is determined to show that she can cut it with the big boys! Gorgeous, brooding rancher Jack Connor is in for a surprise…

Tory has been tasked with looking after Chance Montgomery’s adorable twins: two sets of beautiful big blue eyes and chubby cheeks. She’s taking nappy-changing in her stride, but nothing prepares Tory for being around their handsome daddy day in, day out…

As the only child of a single dad, Ty Halliday had wished for a different life, a mother, a family and, when his hopes were shattered, that place in him that dared to dream had died.

What happens when Forrest Traub, an injured Iraq veteran struggling to find his new normal, meets Angie Anderson, a sunny young woman determined to capture his attention? Although he knows she’s far too young and naive for him, he has a hard time resisting her…

An ill-fated holiday at her grandparents’ Georgia home changed Reece’s life in ways she refuses to remember. But she can’t forget the boy she once knew only as “Jones”. Yet now Jones is back, and sexier than ever, but with danger on their trail, rekindling their spark is the least of their problems…

To solve a murder, investigator Lyle has an unusual mission: find and protect the killer’s daughter, Sadie. Tough rancher Sadie doesn’t like accepting help from anybody but, as her family’s past puts her in danger, accepting Lyle’s protection – and falling for his charm – is proving irresistible…

Welcome to the world of Sydney Harbour Hospital From saving lives to sizzling seduction, these doctors are the very best! To nurse Lily Ellis, Sydney Harbour Hospital seems the perfect refuge from her mother’s scandalous reputation…until she’s discovered in a compromising clinch with brooding plastic surgeon Luke Williams on her first day! To protect Lily from gossip they fake a relationship – only neither’s sure where fiction ends and fact begins!

Ambitious doctor Julia Montgomery is thrilled by the opportunity to train in France under top surgeon Bernard Cappelle. The only challenge is the great man himself! She can handle his gruff arrogance, but she’s finding it almost impossible to resist her attraction to this gorgeous single father in need…

When consultant Andy Gallagher temporarily loses his ability to speak, it puts even more strain on his marriage to GP Lucy. But as the first snowflakes fall Andy realises what’s important: winning back his wife. Only he’s lost without words – and he will need a Christmas miracle to convince Lucy of how he really feels…