Discover best practices and troubleshooting solutions when working on ROS About This Book ? Develop complex robotic applications using ROS to interface robot manipulators and mobile robots ? Gain insight into autonomous navigation in mobile robots and motion planning in robot manipulators ? Discover best practices and troubleshooting solutions Who This Book Is For If you are a robotics enthusiast or researcher who want to learn more about building robot applications using ROS, this book is for you. In order to learn from this book, you should have a basic knowledge of ROS, GNU/Linux, and C++ programming concepts. The book is also excellent for programmers who want to explore the advanced features of ROS. What You Will Learn ? Create a robot model with a seven-DOF robotic arm and a differential wheeled mobile robot ? Work with Gazebo and V-REP robotic simulator ? Implement autonomous navigation in differential drive robots using SLAM and AMCL packages ? Explore the ROS Pluginlib, ROS nodelets, and Gazebo plugins ? Interface I/O boards such as Arduino, robot sensors, and high-end actuators ? Simulate and motion plan an ABB and universal arm using ROS Industrial ? Explore the latest version of the ROS framework ? Work with the motion planning of a seven-DOF arm using MoveIt! In Detail In this day and age, robotics has been gaining a lot of traction in various industries where consistency and perfection matter. Automation is achieved via robotic applications and various platforms that support robotics. The Robot Operating System (ROS) is a modular software platform to develop generic robotic applications. This book focuses on the most stable release of ROS (Kinetic Kame), discusses advanced concepts, and effectively teaches you programming using ROS. We begin with aninformative overview of the ROS framework, which will give you a clear idea of how ROS works. During the course of this book, you’ll learn to build models of complex robots, and simulate and interface the robot using the ROS MoveIt! motion planning library and ROS navigation stacks. Learn to leverage several ROS packages to embrace your robot models. After covering robot manipulation and navigation, you’ll get to grips with the interfacing I/O boards, sensors, and actuators of ROS. Vision sensors are a key component of robots, and an entire chapter is dedicated to the vision sensor and image elaboration, its interface in ROS and programming. You’ll also understand the hardware interface and simulation of complex robots to ROS and ROS Industrial. At the end of this book, you’ll discover the best practices to follow when programming using ROS. Style and approach This is a simplified guide to help you learn and master advanced topics in ROS using hands-on examples.

A highly detailed guide to performing powerful attack vectors in many hands-on scenarios and defending significant security flaws in your company's infrastructure About This Book ? Advanced exploitation techniques to breach modern operating systems and complex network devices ? Learn about Docker breakouts, Active Directory delegation, and CRON jobs ? Practical use cases to deliver an intelligent endpoint-protected system Who This Book Is For If you are a system administrator, SOC analyst, penetration tester, or a network engineer and want to take your penetration testing skills and security knowledge to the next level, then this book is for you. Some prior experience with penetration testing tools and knowledge of Linux and Windows command-line syntax is beneficial. What You Will Learn ? Exposure to advanced infrastructure penetration testing techniques and methodologies ? Gain hands-on experience of penetration testing in Linux system vulnerabilities and memory exploitation ? Understand what it takes to break into enterprise networks ? Learn to secure the configuration management environment and continuous delivery pipeline ? Gain an understanding of how to exploit networks and IoT devices ? Discover real-world, post-exploitation techniques and countermeasures In Detail It has always been difficult to gain hands-on experience and a comprehensive understanding of advanced penetration testing techniques and vulnerability assessment and management. This book will be your one-stop solution to compromising complex network devices and modern operating systems. This book provides you with advanced penetration testing techniques that will help you exploit databases, web and application servers, switches or routers, Docker, VLAN, VoIP, and VPN. With this book, you will explore exploitation abilities such as offensive PowerShell tools and techniques, CI servers, database exploitation, Active Directory delegation, kernel exploits, cron jobs, VLAN hopping, and Docker breakouts. Moving on, this book will not only walk you through managing vulnerabilities, but will also teach you how to ensure endpoint protection. Toward the end of this book, you will also discover post-exploitation tips, tools, and methodologies to help your organization build an intelligent security system. By the end of this book, you will have mastered the skills and methodologies needed to breach infrastructures and provide complete endpoint protection for your system. Style and approach Your one-stop guide to mastering the skills and methodologies of breaching infrastructures and providing complete endpoint protection to your system.

A pragmatic companion guide to your Agile journey About This Book ? Make your team Agile by implementing industry-standard Agile techniques ? Assess scope, scale up efficiently ? Create the correct roles and identify the right candidates for your team ? Finish your projects faster and stay ahead of the curve Who This Book Is For If you’re a software developer or a project manager with little to no experience of Agile, but you want to efficiently implement it, this is the book for you. What You Will Learn ? Create a solid foundation that gives your team an Agile jumpstart ? Understand how to select and evolve practices to increase your team’s agility ? Use experiments to accelerate your team’s understanding ? Fine-tune your approach by incorporating aspects of Lean and Lean Startup ? Know how to foster an environment of continuous improvement and learning that will become self-sustaining In Detail This book will help you overcome the common challenges you’ll face when transforming your working practices from waterfall to Agile. Each chapter builds on the last, starting with easy-to-grasp ways to get going with Agile. Next you’ll see how to choose the right Agile framework for your organization. Moving on, you’ll implement systematic product delivery and measure and report progress with visualization. Then you’ll learn how to create high performing teams, develop people in Agile, manage in Agile, and perform distributed Agile and collaborative governance. At the end of the book, you’ll discover how Agile will help your company progressively deliver software to customers, increase customer satisfaction, and improve the level of efficiency in software development teams. Style and approach Think of this book like a manual, rather than a theoretical textbook. It’s packed full of visual ways to understand Agile, helpful tips to get you set up quickly, tried and tested solutions when challenges arise, and heaps of support to get the day-to-day tasks in Agile done. You’ll want to keep a copy on your desk, right next to your coffee cup.

Leverage the WiFi chip to build exciting Quadcopters About This Book ? Learn to create a fully functional Drone with Arduino and ESP8266 and their modified versions of hardware. ? Enhance your drone's functionalities by implementing smart features. ? A project-based guide that will get you developing next-level drones to help you monitor a particular area with mobile-like devices. Who This Book Is For If you are a programmer or a DIY enthusiast and keen to create a fully functional drone with Arduino and ESP8266, then this book is for you. Basic skills in electronics and programming would be beneficial. This book is not for the beginners as it includes lots of ideas not detailed how you can do that. If you are a beginner, then you might get lost here. The prerequisites of the book include a good knowledge of Arduino, electronics, programming in C or C++ and lots of interest in creating things out of nothing. What You Will Learn ? Includes a number of projects that utilize different ESP8266 and Arduino capabilities, while interfacing with external hardware ? Covers electrical engineering and programming concepts, interfacing with the World through analog and digital sensors, communicating with a computer and other devices, and internet connectivity ? Control and fly your quadcopter, taking into account weather conditions ? Build a drone that can follow the user wherever he/she goes ? Build a mission-control drone and learn how to use it effectively ? Maintain your vehicle as much as possible and repair it whenever required In Detail With the use of drones, DIY projects have taken off. Programmers are rapidly moving from traditional application programming to developing exciting multi-utility projects. This book will teach you to build industry-level drones with Arduino and ESP8266 and their modified versions of hardware. With this book, you will explore techniques for leveraging the tiny WiFi chip to enhance your drone and control it over a mobile phone. This book will start with teaching you how to solve problems while building your own WiFi controlled Arduino based drone. You will also learn how to build a Quadcopter and a mission critical drone. Moving on you will learn how to build a prototype drone that will be given a mission to complete which it will do it itself. You will also learn to build various exciting projects such as gliding and racing drones. By the end of this book you will learn how to maintain and troubleshoot your drone. By the end of this book, you will have learned to build drones using ESP8266 and Arduino and leverage their functionalities to the fullest. Style and approach This is an easy-to-follow guide with illustrations and technical de*ions to help you assemble your vehicle.

Practical, hands-on solutions in Python to overcome any problem in Machine Learning About This Book ? Master the advanced concepts, methodologies, and use cases of machine learning ? Build ML applications for analytics, NLP and computer vision domains ? Solve the most common problems in building machine learning models Who This Book Is For This book is for the intermediate users such as machine learning engineers, data engineers, data scientists, and more, who want to solve simple to complex machine learning problems in their day-to-day work and build powerful and efficient machine learning models. A basic understanding of the machine learning concepts and some experience with Python programming is all you need to get started with this book. What You Will Learn ? Select the right algorithm to derive the best solution in ML domains ? Perform predictive analysis effciently using ML algorithms ? Predict stock prices using the stock index value ? Perform customer analytics for an e-commerce platform ? Build recommendation engines for various domains ? Build NLP applications for the health domain ? Build language generation applications using different NLP techniques ? Build computer vision applications such as facial emotion recognition In Detail Machine learning (ML) helps you find hidden insights from your data without the need for explicit programming. This book is your key to solving any kind of ML problem you might come across in your job. You’ll encounter a set of simple to complex problems while building ML models, and you'll not only resolve these problems, but you’ll also learn how to build projects based on each problem, with a practical approach and easy-to-follow examples. The book includes a wide range of applications: from analytics and NLP, to computer vision domains. Some of the applications you will be working on include stock price prediction, a recommendation engine, building a chat-bot, a facial expression recognition system, and many more. The problem examples we cover include identifying the right algorithm for your dataset and use cases, creating and labeling datasets, getting enough clean data to carry out processing, identifying outliers, overftting datasets, hyperparameter tuning, and more. Here, you'll also learn to make more timely and accurate predictions. In addition, you'll deal with more advanced use cases, such as building a gaming bot, building an extractive summarization tool for medical documents, and you'll also tackle the problems faced while building an ML model. By the end of this book, you'll be able to fine-tune your models as per your needs to deliver maximum productivity. Style and approach This book is a step-by-step guide on how to develop machine learning applications for various domains. Each chapter of this book contains the practical guide on how to build specific machine learning applications from its base-line approach to the best possible approach. Basic necessary concepts, conman mistakes for every approach and optimization techniques are discussed for each application.

Hired: one wife! Annabelle Forrester has only ever loved one man–Rand Dumbarton. The gorgeous tycoon had swept her off her feet and proposed marriage. But their whirlwind courtship had ended bitterly. Annabelle had been unable to forgive him for trying to make her choose between him and her job. The pint-size private eye is, however, shocked when her latest client turns out to be none other than Rand Dumbarton. It seems to Annabelle a cruel twist of fate that the man who couldn't accept her occupation now needs her help. But does Rand want her for business–or as his bride? Love Undercover Their mission was marriage!

BACHELOR TERRITORY She's his client Roman Lufka is a rough, tough private investigator. He's been hired to protect Brittany Langford. The easiest way to be by her side, twenty-four hours a day, is to go undercover–as Brittany's husband. …and his wife! But if protecting his "wife" is easy, living with her isn't. They're perfect strangers–and for Roman, Brit is all too perfect. It seems this confirmed bachelor is facing his toughest assignment yet–falling in love! "Rebecca Winters writes from the heart…" –Debbi Macomber There are two sides to every story…and now it's his turn!

THE RIGHT HUSBAND… In two weeks, Lacey McCade was supposed to walk down the aisle and say "I do" to the man of every woman's dreams…except her own. So when she heard about a short-term position at Black's Bluff Ranch, Lacey knew the live-in-job would give her time to think. But think was all she could do…about Ethan Black, her very sexy employer…. From the tender way he cared for his little charges to the tough way he tended to the land, Ethan made Lacey's heart stop, swell and swoon. But the proud, half Native-American rancher had closed his own heart to loving again. Still, something in Ethan's searing, soul-searching gaze dared Lacey to hope he'd make her wedding dreams come true….

JUNE BRIDES HIS MEANT-TO-BE BRIDE When doe-eyed, all gowned-up-and-no-groom-in-sight Megan Morison sought refuge in his arms, bachelor John Vermont offered her a roof over her head, a job to pay the bills and his rugged shoulder to lean on…. HER DESTINED GROOM Megan had had her fill of people trying to run her life, but with strong, silent, steely-eyed John Vermont, she felt truly safe, accepted…and dare she believed loved? But John claimed that marriage wasn't for him, though his longing looks and heated kisses suggested otherwise. And now Megan wished this gorgeous albeit gruff ship captain would take the gift destiny offered and make her his lawfully wedded wife…. Celebrate a month of joyful marriages with Silhouette Romance!

Bachelor Gulch The Bachelor: Wyatt McCully, dedicated–and extremely eligible–town sheriff. Though husband-hungry women were flocking to Jasper Gulch, there was only one single gal Wyatt wanted. The Bride: Lisa Markman, a woman with a yearning for marriage, and with a secret. She couldn't dare consider lawman Wyatt as a potential groom. The sexy sheriff could tell when a woman was interested, and Lisa had all the signs of succumbing to his charming ways. So why did she refuse to take his heartfelt proposals seriously? Wyatt decided he had to uncover everything about the mysterious woman he intended to claim as his wife, and set out to make the pursuit his pleasure…and hers! Bachelor Gulch. This little town wanted women–but are these bachelors ready for marriage?

There's no place like home… Unless, like Kaarl, you are a demon and your home is Hell…literally! While the rest of Hell enjoys cruel games, Kaarl is looking for a new challenge. So he makes a deal with the devil himself: time in the Mortal Realm in return for human souls… The Mortal Realm offers a taste of freedom he could never experience in Hell and Kaarl jumps at the chance to fulfil his dream. But gathering human souls comes with a cost and as more and more souls lose their way, Kaarl realises that he is creating Hell on his beloved Earth. Now to save the Mortal Realm, Kaarl's going to have to switch sides… Praise for JL Morris 'This was a great read. Very entertaining.' - Koeur's Book Reviews 'A great story from a young author who has, I believe, a strong future in the literary world if he can produce more books like this.' - Fiona's Book Reviews

A single father who yearns to be a family man, Logan O'Donnell is determined to create the perfect Christmas for his son, Charlie. The entire O’Donnell clan arrives to spend the holidays in Avalon, a postcard-pretty town on the shores of Willow Lake, a place for the family to reconnect and rediscover the special gifts of the season. One of the guests is a newcomer to Willow Lake–Darcy Fitzgerald. Sharp-witted, independent and intent on guarding her heart, she’s the last person Logan can see himself falling for. And Darcy is convinced that a relationship is the last thing she needs this Christmas. Yet between the snowy silence of the winter woods, and toasty moments by a crackling fire, their two lonely hearts collide. The magic of the season brings them each a gift neither ever expected–a love to last a lifetime.

Vaughn Donnelly's work has taken him to many different villages over the years, and he's never regretted saying goodbye to anyone in them. Until he promises to help Darcy Keegan rescue an orphaned boy from prison. Darcy dreams of a family, a home, a husband… But can Vaughn offer Darcy what she needs?

A FAMILY'S GIFT When they were young, cousins Ella, Rachel and Jo were always together at their family’s lake house. As they grew up, though, they grew apart… until now, as the three must band together to grant a beloved aunt's dying wish: to finish the quilt she began as a gift for her daughter's Christmas wedding. LET IT SNOW Searching for vintage quilting fabric, independent Jo is reunited with the man she thought she’d marry. And proves that sometimes the second time's the charm… YOU BETTER WATCH OUT Ella is desperate when the unfinished quilt goes missing in her care. But a cocky lawyer might just help her find it – and find love. “Nine Ladies Dancing” by Sarah Mayberry – Shy Rachel risks exposing her secret life when she falls for her quilting teacher's seemingly perfect son, in this novella by Janice Kay Johnson. Together, Jo, Ella and Rachel create a Christmas heirloom that's both a wish and promise – of happiness, hope and love everlasting.

Fast Fiction Paranormal - quick reads to transport you to another world Erika Cenov has dreams where someone dies - and then it comes true. Her latest nightmare has a young girl being abducted and the man she once loved, Lazlo Brennan, being shot and turning into a wolf. Erika doesn't want to believe her vision. Then a child goes missing and the detective on the case is Lazlo Brennan. Erika knows Lazlo will die. Unless, for the first time, she can change the outcome of her dreams…and save them all.

ON THE WAY TO A WEDDING… BORROWED BRIDE Dark and devastating P.I. Nick Claiborne's love 'em and leave 'em policy was suddenly in jeopardy. Because his new client, Analise Brewster, not only insisted on "helping" him uncover the mystery of her fiancé's past, her irrepressible spirit tempted Nick to forget his vows to stay single–and hers to wed another…. Spending time with a lively, loving woman usually made Nick want to run–but this time he found himself taking Analise with him. Yet once they'd found Analise's gift for her groom, would Nick be the one walking down the aisle? Long-lost twins discover their perfect grooms!

LUCKY CHARM SISTERS KATE MAGGIE SUSAN DESPERATELY SEEKING CINDERELLA… Susan Greenwood had expected a tip, not an offer of marriage! But how could the down-on-her-luck beauty resist when rich-as-a-prince Zach Lowery proposed to her in the middle of the Lucky Charm Diner? Then she got her answer–it was just a role she had to play to soothe Zach's dying grandfather. But Zach never expected his pretend wife to tie him in knots with her selfless gestures and warm embraces. And soon this cynical rancher found himself trying to find a way to make a real future…a real family…with his Cinderella bride. The Lucky Charm Sisters: A boss, a brain and a beauty. Three sisters marry for convenience…but will they find love?

Fabulous Fathers FOREVER A FATHER When single dad Stone Tyler first met the beautiful and free-spirited Dahlia nine years ago, he was a rough-edged cowboy with no intention of getting married–ever. But it wasn't long before he was asking for Dahlia's hand, certain their love would last forever. But then an unthinkable tragedy struck their blissful home and tore his family apart. Although Stone and Dahlia couldn't deny the love that brought them together, they were suddenly separated by a world of pain and grief. Now Stone had to find a way to save his family and somehow convince his wife a lifetime of love awaited them…. This ranchin' dad would do anything to save his family.

MERGER IN THE MAKING…? Powerful CEO Philip Ambercroft prized efficiency, order–and no temptation in the office. So when he needed a temporary assistant, he decided to hire a no-nonsense, matronly type. But then he met the most qualified candidate…. All-too-appealing Madalyn Wier had impeccable references and years of experience–and she soon had her handsome executive boss falling for her womanly charms. But Philip was determined to deny the attraction between them, especially since Madalyn was a single mother who had a daughter to consider. And the confirmed bachelor wasn't prepared to propose a marriage merger…was he?

FAMILY MATTERS THE LAWMAN AND THE LADY Hallie Cates's biological clock was ticking, but there was nary a husband on the horizon. Then she returned to her hometown and discovered Cam Osborne–a gorgeous small-town sheriff straight out of her dreams. He was everything she wanted in a man, but he'd sworn off commitment. And although she tried to steer clear of the handsome lawman, Cam was impossible to resist. Avowed loner Cam liked his bachelor life-style–until he butted heads with the lovely schoolteacher over her law-breaking grandmother. Sweet Hallie with her down-home values was a lady worth chasing. Only problem was, Hallie was the kind of woman a man married, and Cam wasn't looking for a wife…was he? Kisses, kids, cuddles and kin. The best things in life are found in families!

He's My Hero A protector, a provider, a friend and a lover–he's every woman's hero. MOST ELIGIBLE SOLDIER The government wanted protocol specialist Chessey Banks Bailey to teach rough-around-the-edges Lieutenant Derek McKenna how to be a gentleman. And though he was her student, Derek was the sexiest, most intriguing man Chessey had ever met. From the moment he kissed her without warning, Chessey knew she wanted to be his bride. But even though blue blood Chessey had him second-guessing his bachelor status, walking down the aisle was the furthest thing from Derek's mind. Could Chesssey enlist the reluctant soldier for a lifetime of love?