Raspberry Pi Computer Vision Programming. Design and implement computer vision applications with Raspberry Pi, OpenCV, and Python 3 - Second Edition

Ashwin Pajankar

Raspberry Pi is one of the popular single-board computers of our generation. All the major image processing and computer vision algorithms and operations can be implemented easily with OpenCV on Raspberry Pi. This updated second edition is packed with cutting-edge examples and new topics, and covers the latest versions of key technologies such as Python 3, Raspberry Pi, and OpenCV. This book will equip you with the skills required to successfully design and implement your own OpenCV, Raspberry Pi, and Python-based computer vision projects.At the start, you'll learn the basics of Python 3, and the fundamentals of single-board computers and NumPy. Next, you'll discover how to install OpenCV 4 for Python 3 on Raspberry Pi, before covering major techniques and algorithms in image processing, manipulation, and computer vision. By working through the steps in each chapter, you'll understand essential OpenCV features. Later sections will take you through creating graphical user interface (GUI) apps with GPIO and OpenCV. You'll also learn to use the new computer vision library, Mahotas, to perform various image processing operations. Finally, you'll explore the Jupyter Notebook and how to set up a Windows computer and Ubuntu for computer vision.By the end of this book, you'll be able to confidently build and deploy computer vision apps.

Instant PhoneGap Social App Development. Consume social network feeds and share social network content using native plugins and PhoneGap

Kerri Shotts

Social media integration in our apps is almost a requirement. Using Phonegap, some plugins, and JSON, we can create an app that consumes Twitter feeds and allows the user to share on Twitter.Instant PhoneGap Social App Development shows you how to create compelling mobile apps that integrate with social media based on Phonegap. The book will show you how to consume Twitter feeds and also share content to Twitter using Twitter Web Intents.Using code listings and easy steps, this book will guide you through the process of creating a Phonegap app, adding plugins, and using the Twitter API and Twitter’s web intents.You’ll learn how to install PhoneGap plugins so that you can extend the capabilities of your application. You’ll also be introduced to Twitter’s JSON API and Twitter’s Web Intents which allow the consuming of feed content and the posting of content to Twitter respectively. Along the way, you’ll also learn how to create a cross-platform mobile app that works on iOS and Android.

Conducting a Telephone Interview. Master the art of conducting a telephone interview to make the most effective hiring decisions

Vaibhav Gupta

Delphi High Performance. Master the art of concurrency, parallel programming, and memory management to build fast Delphi apps - Second Edition

Primož Gabrijelčič

Performance matters! Users hate to use programs that are not responsive to interactions or run too slow to be useful. While becoming a programmer is simple enough, you require dedication and hard work to achieve an advanced level of programming proficiency where you know how to write fast code.This book begins by helping you explore algorithms and algorithmic complexity and continues by describing tools that can help you find slow parts of your code. Subsequent chapters will provide you with practical ideas about optimizing code by doing less work or doing it in a smarter way. The book also teaches you how to use optimized data structures from the Spring4D library, along with exploring data structures that are not part of the standard Delphi runtime library.The second part of the book talks about parallel programming. You’ll learn about the problems that only occur in multithreaded code and explore various approaches to fixing them effectively. The concluding chapters provide instructions on writing parallel code in different ways – by using basic threading support or focusing on advanced concepts such as tasks and parallel patterns.By the end of this book, you’ll have learned to look at your programs from a totally different perspective and will be equipped to effortlessly make your code faster than it is now.

Hands-On Graph Analytics with Neo4j. Perform graph processing and visualization techniques using connected data across your enterprise

Estelle Scifo

Neo4j is a graph database that includes plugins to run complex graph algorithms.The book starts with an introduction to the basics of graph analytics, the Cypher query language, and graph architecture components, and helps you to understand why enterprises have started to adopt graph analytics within their organizations. You’ll find out how to implement Neo4j algorithms and techniques and explore various graph analytics methods to reveal complex relationships in your data. You’ll be able to implement graph analytics catering to different domains such as fraud detection, graph-based search, recommendation systems, social networking, and data management. You’ll also learn how to store data in graph databases and extract valuable insights from it. As you become well-versed with the techniques, you’ll discover graph machine learning in order to address simple to complex challenges using Neo4j. You will also understand how to use graph data in a machine learning model in order to make predictions based on your data. Finally, you’ll get to grips with structuring a web application for production using Neo4j.By the end of this book, you’ll not only be able to harness the power of graphs to handle a broad range of problem areas, but you’ll also have learned how to use Neo4j efficiently to identify complex relationships in your data.

Learn PostgreSQL. Use, manage, and build secure and scalable databases with PostgreSQL 16 - Second Edition

Luca Ferrari, Enrico Pirozzi

The latest edition of this PostgreSQL book will help you to start using PostgreSQL from absolute scratch, helping you to quickly understand the internal workings of the database. With a structured approach and practical examples, go on a journey that covers the basics, from SQL statements and how to run server-side programs, to configuring, managing, securing, and optimizing database performance.This new edition will not only help you get to grips with all the recent changes within the PostgreSQL ecosystem but will also dig deeper into concepts like partitioning and replication with a fresh set of examples. The book is also equipped with Docker images for each chapter which makes the learning experience faster and easier. Starting with the absolute basics of databases, the book sails through to advanced concepts like window functions, logging, auditing, extending the database, configuration, partitioning, and replication. It will also help you seamlessly migrate your existing database system to PostgreSQL and contains a dedicated chapter on disaster recovery. Each chapter ends with practice questions to test your learning at regular intervals.By the end of this book, you will be able to install, configure, manage, and develop applications against a PostgreSQL database.

Production Ready OpenStack - Recipes for Successful Environments. Production Ready OpenStack - Recipes for Successful Environments

Arthur Berezin

OpenStack is the most popular open source cloud platform used by organizations building internal private clouds and by public cloud providers. OpenStack is designed in a fully distributed architecture to provide Infrastructure as a Service, allowing us to maintain a massively scalable cloud infrastructure. OpenStack is developed by a vibrant community of open source developers who come from the largest software companies in the world.The book provides a comprehensive and practical guide to the multiple uses cases and configurations that OpenStack supports. This book simplifies the learning process by guiding you through how to install OpenStack in a single controller configuration.The book goes deeper into deploying OpenStack in a highly available configuration. You'll then configure Keystone Identity Services using LDAP, Active Directory, or the MySQL identity provider and configure a caching layer and SSL. After that, you will configure storage back-end providers for Glance and Cinder, which will include Ceph, NFS, Swift, and local storage. Then you will configure the Neutron networking service with provider network VLANs, and tenant network VXLAN and GRE.Also, you will configure Nova's Hypervisor with KVM, and QEMU emulation, and you will configure Nova's scheduler filters and weights. Finally, you will configure Horizon to use Apache HTTPD and SSL, and you will customize the dashboard's appearance.

Effective Platform Product Management. An effortless strategy and execution guide for product managers who want to scale their platform business model and grow their customer base

Tabassum Memon

Scaling a platform is a lot different than scaling a product. This is why product managers developing or transitioning to a platform model are often facing completely new challenges – both technical and strategic. But if you want to build the next Amazon, Netflix, Spotify, or a completely new type of platform, then you need to adopt a platform-first approach to change how you invent, develop, and market solutions. This is where Effective Product Platform Management comes in.This book addresses product management as a critical pillar of platform development. It'll help you understand the difference between traditional and modern product management for platforms and even decide whether the platform business model is the way to go for you.As you progress, you’ll be able to build the right platform strategy, define the MVP, and focus on ongoing backlog prioritization for successful platforms. This book will also walk you through the practical steps and guidelines that can ease your organization’s transition from linear products to platforms.By the end of this platform product management book, you’ll have learned the essential aspects of product management for building successful and scalable platforms. You’ll also have a clear understanding of the next steps you need to take to perfect and execute your new platform strategy – and take on the world.

Instant MongoDB. Get up to speed with one of the the world's most popular NoSQLdatabase

Amol Nayak

MongoDB is a high-performance and feature-rich Document Orientated Database. This popular, highly scalableNoSQL database is used to power some of the world's most used applications and websites.MongoDB Starter is designed to get you working with MongoDB as quickly as possible. Starting with the installation and setup, we quickly show you how to start importing your data into the database. Furthermore, you will learn about CRUD operations in MongoDB, its Map Reduce support, schema design, and performance tuning operations.After successfully installing and setting up MongoDB, you will be introduced to important configuration parameters and the terminologies used in the Mongo world and their equivalent in the relational world. You will learn how to import data into the database and connect to the MongoDB from the Mongo shell and execute some queries. We will then move on to advanced topics such as performing insert, update and upsert(update + insert) operations, executing advanced queries, schema design concepts, and creating indexes for performance. MongoDB Starter finishes with a look at the new aggregation framework, Map Reduce operations, and how to bulk import and export data.

Getting Started with Drupal Commerce. Learn everything you need to know in order to get your first Drupal Commerce website set up and trading

Richard Jones

Drupal Commerce is emerging as the preferred option for open source e-commerce, and it also stands up to comparison against established proprietary systems.Getting Started with Drupal Commerce is an introductory guide to building an online store using Drupal Commerce in Drupal 7.Getting Started with Drupal Commerce takes you step-by-step through a complete e-commerce website build, from a clean installation of Drupal to a working example store. Starting with how to set up a Drupal development environment, we then discuss the planning of an e-commerce site and the typical questions you should be asking before getting started.Next, we walk through all of the essential setup required for most types of e-shop, including taxes, shipping, discounts and coupons, the checkout process, and backend order management. By the end of Getting Started with Drupal Commerce, you will be fully-equipped to plan and build your own store and you will understand the fundamental principles of Drupal Commerce that will enable you to progress to more complex store builds.

PowerShell: Automating Administrative Tasks. The art of automating and managing Windows environments

Michael Shepard, Chendrayan Venkatesan, Sherif Talaat, Brenton J.W. Blawat

Are you tired of managing Windows administrative tasks manually and are looking to automate the entire process? If yes, then this is the right course for you. This learning path starts your PowerShell journey and will help you automate the administration of the Windows operating system and applications that run on Windows. It will get you up and running with PowerShell, taking you from the basics of installation to writing scripts and performing web server automation. You will explore the PowerShell environment and discover how to use cmdlets, functions, and scripts to automate Windows systems. The next installment of the course focuses on gaining concrete knowledge of Windows PowerShell scripting to perform professional-level scripting. The techniques here are packed with PowerShell scripts and sample C# code to automate tasks. You will use .NET classes in PowerShell and C# to manage Exchange Online. In the final section, you will delve into real-world examples to learn how to simplify the management of your Windows environment. You will get to grips with PowerShell’s advanced functions and how to most effectively administer your system. This Learning Path combines some of the best that Packt has to offer in one complete, curated package. It includes content from the following Packt products: [*] Getting Started with PowerShell by Michael Shepard [*] Windows PowerShell for .Net Developers Second Edition by Chendrayan Venkatesan and Sherif Talaat[*] Mastering Windows PowerShell Scripting by Brenton J.W. Blawat

Puppet: Mastering Infrastructure Automation

Jaime Soriano Pastor

Puppet is a configuration management tool that allows you to automate all your IT configurations, giving you control. It was written for and by system administrators to manage large numbers of systems efficiently and prevent configuration drifts. Puppet gives you control of what you do to each node, when you do it, and how you do it.This Learning Path will take you from the basics of Puppet to extending it and then mastering it. We will start off with a primer on Puppet, its installation and get a sneak peek under its hood. We will then move on to designing and deploying your Puppet architecture, learning best practices for writing reusable and maintainable code, and executing, testing, and deploying Puppet across your systems. Finally, we will deal with problems of scale and exceptions in your code, automate workflows, and support multiple developers working simultaneously.This course is based on the following books: 1)Puppet 4 Essentials - Second Edition 2)Extending Puppet - Second Edition 3)Mastering Puppet - Second Edition

Node.js Design Patterns. Master best practices to build modular and scalable server-side web applications - Second Edition

Luciano Mammino, Mario Casciaro

Node.js is a massively popular software platform that lets you use JavaScript to easily create scalable server-side applications. It allows you to create efficient code, enabling a more sustainable way of writing software made of only one language across the full stack, along with extreme levels of reusability, pragmatism, simplicity, and collaboration. Node.js is revolutionizing the web and the way people and companies create their software.In this book, we will take you on a journey across various ideas and components, and the challenges you would commonly encounter while designing and developing software using the Node.js platform. You will also discover the Node.js way of dealing with design and coding decisions.The book kicks off by exploring the basics of Node.js describing it's asynchronous single-threaded architecture and the main design patterns. It then shows you how to master the asynchronous control flow patterns,and the stream component and it culminates into a detailed list of Node.js implementations of the most common design patterns as well as some specific design patterns that are exclusive to the Node.js world.Lastly, it dives into moreadvanced concepts such as Universal Javascript,and scalability' and it's meant to conclude the journey by giving the reader all the necessary concepts to be able to build an enterprise grade application using Node.js.

Joomla! 1.5x Customization: Make Your Site Adapt to Your Needs. Create and customize a professional Joomla! site that suits your business requirements

Daniel Chapman, Chris Davenport

Setting up a basic Joomla! Web site is easy; what comes next is hard and expensive ñ making the site do exactly what and look exactly how you want. With this book in hand, it is easy to adapt your site to bring your vision fully to life.This book will help you to separate your site from the crowd of other Joomla! sites without having to invest in developers. It will guide you through how to customize different parts and aspects of your site and will also show you how to turn your site into a profitable business via these customizations. You will be able to build a successful, professional web site that will adapt to all your business needs.You will be taken beyond the basics of Joomla!, and given an insight into the techniques and tools used by the professionals to rapidly develop unique, custom sites. This will enable you to develop your own professional-quality Joomla! site without assistance, saving you time and money. You will learn how modules, plugins, components, and templates are constructed, and how to make changes in them, giving you the confidence to make more elaborate changes to your site. On top of this will be a look at common problems Joomla! site developers face and how best to deal with them.You will also learn techniques for building a business with Joomla!, as you step through building a subscription-based web business. Towards the end, you will look at marketing and monetizing this business fully to maximize your return.

SAP HANA Cookbook. Your all-inclusive guide to understanding SAP HANA with practical recipes with over 50 recipes

Chandrasekhar Mankala (USD), Ganesh Mahadevan V., Ganesh Mahadevan (USD)

SAP HANA is a real-time applications platform that provides a multi-purpose, in-memory appliance. Decision makers in the organization can gain instant insight into business operations. Thus all the data available can be analysed and you can react to the changing business conditions rapidly to make decisions. The real-time platform not only empowers business users and top management to make decisions but also provides the capability to make decisions in real-time.A practical and comprehensive guide that helps you understand the power of SAP HANA’s real-time and in-memory capabilities. It also provides step-by-step instructions to exploit all the possible features of the SAP HANA database, enabling users to harness the full potential of this technology and its features.You will gain an understanding of real-time replications, effective data loading from various sources, how to load data, and how to create re-usable objects such as models and reports.Use this practical guide to enable or transform your business landscape by implementing SAP HANA to meet your business requirements. The book shows you how to load data from different types of systems, create models in SAP HANA, and consume data for decision-making. The book covers various tools at different stages creating models using SAP HANA Studio, and consuming data using reporting tools such as SAP BusinessObjects, SAP Lumira, and so on . This book also explains the in-depth architecture of SAP HANA to help you understand SAP HANA as an appliance, that is, a combination of hardware and software.The book covers the best practices to leverage SAP HANA’s in-memory technology to transform data into insightful information. It also covers technology landscaping, solution architecture, connectivity, data loading, and setting up the environment for modeling purpose (including setup of SAP HANA Studio).If you have an intention to start your career as SAP HANA Modeler, this book is the perfect start. 

Biostatistics with Python. Apply Python for biostatistics with hands-on biomedical and biotechnology projects

Darko Medin

This book leverages the author’s decade-long experience in biostatistics and data science to simplify the practical use of biostatistics with Python. The chapters show you how to clean and describe your data effectively, setting a solid foundation for accurate analysis and proficiency in biostatistical inference to help you draw meaningful conclusions from your data through hypothesis testing and effect size analysis.The book walks you through predictive modeling to harness the power of Python to create robust predictive analytics that can drive your research and professional projects forward. You'll explore clinical biostatistics, learn how to design studies, conduct survival analysis, and synthesize evidence from multiple studies with meta-analysis – skills that are crucial for making informed decisions based on comprehensive data reviews. The concluding chapters will enhance your ability to analyze biological variables, enabling you to perform detailed and accurate data analysis for biological research. This book's unique blend of biostatistics and Python helps you find practical solutions that make complex concepts easy to grasp and apply.By the end of this biostatistics book, you’ll have moved from theoretical knowledge to practical experience, allowing you to perform biostatistical analysis confidently and accurately.

OpenCV 3 Blueprints. Expand your knowledge of computer vision by building amazing projects with OpenCV 3

Matthew John Macdonald, Jason Clemons, Gary Bradski, Alasdair McAndrew, ...

Android 6 Essentials. Design, build, and create your own applications using the full range of features available in Android 6

Yossi Elkrief

Android 6 is the latest and greatest version of the Android operating system, and comes packed with cutting edge new features for you to harness for the benefit of building better applications.This step-by-step guide will take you through the basics of the Android Marshmallow permissions model and beyond into other crucial areas such as the Audio,Video,Camera API and Android’s at work features. Learn how to create, deploy, and manage Android applications with Marshmallow’s API and the latest functionalities. The combination of instructions and real-world examples will make your application deployment and testing a breeze.

Creating Stunning Dashboards with QlikView. Bring real business insights to your company through effective and engaging dashboards in QlikView

Julian Villafuerte

QlikView is one of the most powerful analytical tools in the market. Based on an in-memory associative model, it lets users freely navigate through the data, spot trends and make better decisions. This platform is capable of integrating a wide range of data sources like ERP systems, data warehouses or spreadsheets into a single application in order display dashboards with state-of-the-art visualizations.Creating Stunning Dashboards with QlikView is an easy to follow handbook that guides you through the process of creating an effective and engaging dashboard that delivers tangible value to the business. It starts with the identification of the business needs and the definition of the main KPIs, and takes you all the way to the application rollout.Throughout the book, you will learn how to apply some of the best practices in the field of data visualization, create a robust navigation schema, chose the best chart types for each scenario and many other things that will help you create effective dashboards that uncover all the stories behind the data.

Mastering Linux Security and Hardening. A practical guide to protecting your Linux system from cyber attacks - Third Edition

Donald A. Tevault

The third edition of Mastering Linux Security and Hardening is an updated, comprehensive introduction to implementing the latest Linux security measures, using the latest versions of Ubuntu and AlmaLinux.In this new edition, you will learn how to set up a practice lab, create user accounts with appropriate privilege levels, protect sensitive data with permissions settings and encryption, and configure a firewall with the newest firewall technologies. You’ll also explore how to use sudo to set up administrative accounts with only the privileges required to do a specific job, and you’ll get a peek at the new sudo features that have been added over the past couple of years. You’ll also see updated information on how to set up a local certificate authority for both Ubuntu and AlmaLinux, as well as how to automate system auditing. Other important skills that you’ll learn include how to automatically harden systems with OpenSCAP, audit systems with auditd, harden the Linux kernel configuration, protect your systems from malware, and perform vulnerability scans of your systems. As a bonus, you’ll see how to use Security Onion to set up an Intrusion Detection System.By the end of this new edition, you will confidently be able to set up a Linux server that will be secure and harder for malicious actors to compromise.

Node Web Development. JavaScript is no longer just for browsers and this exciting introduction to Node.js will show you how to build data-intensive applications that run in real time. Benefit from an easy, step-by-step approach that really works

David Herron

Learning WordPress REST API. A practical tutorial to get you up and running with the revolutionary WordPress REST API

Sufyan bin Uzayr, Mathew Rooney

The WordPress REST API is a recent innovation that has the potential to unlock several new opportunities for WordPress developers. It can help you integrate with technologies outside of WordPress, as well as offer great flexibility when developing themes and plugins for WordPress. As such, the REST API can make developers’ lives easier. The book begins by covering the basics of the REST API and how it can be used along with WordPress. Learn how the REST API interacts with WordPress, allowing you to copy posts and modify post metadata. Move on to get an understanding of taxonomies and user roles are in WordPress and how to use them with the WordPress REST API. Next, find out how to edit and process forms with AJAX and how to create custom routes and functions. You will create a fully-functional single page web app using a WordPress site and the REST API. Lastly, you will see how to deal with the REST API in future versions and will use it to interact it with third-party services. By the end of the book, you will be able to work with the WordPress REST API to build web applications.

Programming the BeagleBone. Master BeagleBone programming by doing simple electronics and Internet of Things projects

Yogesh Chavan, Amit Pandurang Karpe

The whole world is moving from desktop computers to smartphones and embedded systems. We are moving towards utilizing Internet of Things (IoT). An exponential rise in the demand for embedded systems and programming in the last few years is driving programmers to use embedded development boards such as Beaglebone. BeagleBone is an ultra-small, cost-effective computer that comes with a powerful hardware. It runs a full-fledged Debian Linux OS and provides numerous electronics solutions. BeagleBone is open source and comes with an Ethernet port, which allows you to deploy IoT projects without any additions to the board. It provides plenty of GPIO, Anlaog pins, and UART, I2C, SPI pins which makes it the right choice to perform electronics projects. This gives you all the benefits of Linux kernel such as multitasking, multiusers, and extensive device driver support. This allows you to do programming in many languages including high-level languages such as JavaScript and Python.This book aims to exploit the hardware and software capabilities of BeagleBone to create real-life electronics and IoT applications quickly. It is divided into two parts. The first part covers JavaScript programs. The second part provides electronics projects and IoT applications in Python.First, you will learn to use BeagleBone as tool to write useful applications on embedded systems. Starting with the basics needed to set up BeagleBone and the Cloud9 IDE, this book covers interfacing with various electronics components via simple programs. The electronics theory related to these components is then explained in depth before you use them in a program. Finally, the book helps you create some real-life IoT applications.

Hands-On Application Development with PyCharm. Accelerate your Python applications using practical coding techniques in PyCharm

Quan Nguyen

JetBrain’s PyCharm is the most popular Integrated Development Environment (IDE) used by the Python community thanks to its numerous features that facilitate faster, more accurate, and more productive programming practices. However, the abundance of options and customizations can make PyCharm seem quite intimidating.Hands-on Application Development with PyCharm starts with PyCharm’s installation and configuration process, and systematically takes you through a number of its powerful features that can greatly improve your productivity. You’ll explore code automation, version control, graphical debugging/testing, management of virtual environments, and much more. Finally, you’ll delve into specific PyCharm features that support web development and data science, two of the fastest growing applications in Python programming. These include the integration of the Django framework as well as the extensive support for IPython and Jupyter Notebook.By the end of this PyCharm book, you will have gained extensive knowledge of the tool and be able to implement its features and make the most of its support for your projects.