Informatyka
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Nimesh Verma, Brian Allbee
Software Engineering is about more than just writing code—it includes a host of soft skills that apply to almost any development effort, no matter what the language, development methodology, or scope of the project. Being a senior developer all but requires awareness of how those skills, along with their expected technical counterparts, mesh together through a project's life cycle. This book walks you through that discovery by going over the entire life cycle of a multi-tier system and its related software projects. You'll see what happens before any development takes place, and what impact the decisions and designs made at each step have on the development process. The development of the entire project, over the course of several iterations based on real-world Agile iterations, will be executed, sometimes starting from nothing, in one of the fastest growing languages in the world—Python. Application of practices in Python will be laid out, along with a number of Python-specific capabilities that are often overlooked. Finally, the book will implement a high-performance computing solution, from first principles through complete foundation.
Brian Allbee
Software engineering is more than coding; it’s the strategic design and continuous improvement of systems that serve real-world needs. This newly updated second edition of Hands-On Software Engineering with Python expands on its foundational approach to help you grow into a senior or staff-level engineering role.Fully revised for today’s Python ecosystem, this edition includes updated tooling, practices, and architectural patterns. You’ll explore key changes across five minor Python versions, examine new features like dataclasses and type hinting, and evaluate modern tools such as Poetry, pytest, and GitHub Actions. A new chapter introduces high-performance computing in Python, and the entire development process is enhanced with cloud-readiness in mind.You’ll follow a complete redesign and refactor of a multi-tier system from the first edition, gaining insight into how software evolves—and what it takes to do that responsibly. From system modeling and SDLC phases to data persistence, testing, and CI/CD automation, each chapter builds your engineering mindset while updating your hands-on skills.By the end of this book, you'll have mastered modern Python software engineering practices and be equipped to revise and future-proof complex systems with confidence.
Tomcy John
Spring Security enables developers to seamlessly integrate authorization, authentication, and a range of security features for complex enterprise applications. This book provides a hands-on approach to developing reactive applications using Spring and will help you get up and running in no time.Complete with step-by-step explanations, practical examples, and self-assessment questions, the book begins by explaining the essential concepts of reactive programming, Spring Framework, and Spring Security. You’ll then learn about a variety of authentication mechanisms and how to integrate them easily with a Spring MVC application. You’ll also understand how to achieve authorization in a Spring WebFlux application using Spring Security. Furthermore, the book will take you through the configuration required to implement OAuth2 for securing REST APIs, and guide you in integrating security in microservices and serverless applications. Finally, you’ll be able to augment add-ons that will enhance any Spring Security module.By the end of the book, you’ll be equipped to integrate Spring Security into your Java enterprise applications proficiently.
Ralph Kuepper
The capabilities of the Swift programming language are extended to server-side development using popular frameworks such as Vapor. This enables Swift programmers to implement the microservices approach to design scalable and easy-to-maintain architecture for iOS, macOS, iPadOS, and watchOS applications.This book is a complete guide to building microservices for iOS applications. You’ll start by examining Swift and Vapor as backend technologies and compare them to their alternatives. The book then covers the concept of microservices to help you get started with developing your first microservice. Throughout this book, you’ll work on a case study of writing an e-commerce backend as a microservice application. You’ll understand each microservice as it is broken down into details and written out as code throughout the book. You’ll also become familiar with various aspects of server-side development such as scalability, database options, and information flow for microservices that are unwrapped in the process. As you advance, you’ll get to grips with microservices testing and see how it is different from testing a monolith application. Along the way, you’ll explore tools such as Docker, Postman, and Amazon Web Services.By the end of the book, you’ll be able to build a ready-to-deploy application that can be used as a base for future applications.
Dipanjan Sarkar, Raghav Bali, Tamoghna Ghosh
Transfer learning is a machine learning (ML) technique where knowledge gained during training a set of problems can be used to solve other similar problems. The purpose of this book is two-fold; firstly, we focus on detailed coverage of deep learning (DL) and transfer learning, comparing and contrasting the two with easy-to-follow concepts and examples. The second area of focus is real-world examples and research problems using TensorFlow, Keras, and the Python ecosystem with hands-on examples. The book starts with the key essential concepts of ML and DL, followed by depiction and coverage of important DL architectures such as convolutional neural networks (CNNs), deep neural networks (DNNs), recurrent neural networks (RNNs), long short-term memory (LSTM), and capsule networks. Our focus then shifts to transfer learning concepts, such as model freezing, fine-tuning, pre-trained models including VGG, inception, ResNet, and how these systems perform better than DL models with practical examples. In the concluding chapters, we will focus on a multitude of real-world case studies and problems associated with areas such as computer vision, audio analysis and natural language processing (NLP).By the end of this book, you will be able to implement both DL and transfer learning principles in your own systems.
Giuseppe Bonaccorso
Unsupervised learning is about making use of raw, untagged data and applying learning algorithms to it to help a machine predict its outcome. With this book, you will explore the concept of unsupervised learning to cluster large sets of data and analyze them repeatedly until the desired outcome is found using Python.This book starts with the key differences between supervised, unsupervised, and semi-supervised learning. You will be introduced to the best-used libraries and frameworks from the Python ecosystem and address unsupervised learning in both the machine learning and deep learning domains. You will explore various algorithms, techniques that are used to implement unsupervised learning in real-world use cases. You will learn a variety of unsupervised learning approaches, including randomized optimization, clustering, feature selection and transformation, and information theory. You will get hands-on experience with how neural networks can be employed in unsupervised scenarios. You will also explore the steps involved in building and training a GAN in order to process images.By the end of this book, you will have learned the art of unsupervised learning for different real-world challenges.
Hector Uriel Perez Rojas, Miguel Angel Teheran...
Visual Studio 2022 is widely recognized as the best IDE for application development across various domains. This book is a comprehensive guide for both beginners and experienced .NET developers who wish to familiarize themselves with its basic, advanced, and new features.This book is divided into three sections: the first is an overview of Visual Studio, the second part explores tools for productivity within the IDE, and the third delves into integration with GitHub and Visual Studio extensions.In this second edition, we’ve also expanded the chapters on the use of Visual Studio to environments beyond web development, such as Azure, Desktop, .NET MAUI, and others. Updates to the IDE introduced since the release year of the first edition of the book in 2022 have also been included, such as the use of GPT-based extensions like GitHub Copilot and GitHub Copilot Chat, as well as profiling tools.The book reviews breakpoint groups, a new way to configure breakpoints, as well as tools for web development, such as Browser Link, Dev Tunnels, and Web API Endpoints Explorer. For more advanced developers, the book addresses the topic of developing extensions through the use of the new Visual Studio SDK. By the end of this book, you’ll have a better understanding of Visual Studio 2022 and how to use it to its fullest potential.
Anish Chapagain
Web scraping is a powerful tool for extracting data from the web, but it can be daunting for those without a technical background. Designed for novices, this book will help you grasp the fundamentals of web scraping and Python programming, even if you have no prior experience.Adopting a practical, hands-on approach, this updated edition of Hands-On Web Scraping with Python uses real-world examples and exercises to explain key concepts. Starting with an introduction to web scraping fundamentals and Python programming, you’ll cover a range of scraping techniques, including requests, lxml, pyquery, Scrapy, and Beautiful Soup. You’ll also get to grips with advanced topics such as secure web handling, web APIs, Selenium for web scraping, PDF extraction, regex, data analysis, EDA reports, visualization, and machine learning.This book emphasizes the importance of learning by doing. Each chapter integrates examples that demonstrate practical techniques and related skills. By the end of this book, you’ll be equipped with the skills to extract data from websites, a solid understanding of web scraping and Python programming, and the confidence to use these skills in your projects for analysis, visualization, and information discovery.
Hardware i testy penetracyjne. Przewodnik po metodach ataku i obrony
Jean-Georges Valle
Hardware i testy penetracyjne. Przewodnik po metodach ataku i obrony Wraz z rozwojem internetu rzeczy, a także upowszechnianiem się elektronicznego sterowania i kontrolowania różnych procesów przestępcy doskonalą techniki łamania zabezpieczeń systemów wbudowanych. Konsekwencje skutecznego ataku na jakiś kluczowy element infrastruktury mogą się okazać dotkliwe i niezwykle kosztowne. Oznacza to, że testowanie pod kątem bezpieczeństwa powinno dotyczyć sprzętu i systemów wbudowanych. Również elektronicy powinni umieć chronić przed atakami swoje urządzenia. Szczególną rolę w tym procesie odgrywają testy penetracyjne, których celem jest wyszukiwanie luk w zabezpieczeniach. Oto praktyczny przewodnik po bezpieczeństwie sprzętu. Opisuje podstawy sprzętowej architektury systemów wbudowanych i protokoły komunikacyjne stosowane w urządzeniach elektronicznych. Pokazuje, w jaki sposób można przechwytywać przesyłane dane i jak wykorzystać tę wiedzę do przeprowadzania ataków. W książce zaprezentowano techniki identyfikacji i klasyfikacji zagrożeń systemu. Przeanalizowano także zależności łączące system wbudowany z jego otoczeniem, przy czym zwrócono uwagę na możliwe podatności na ataki i konsekwencje ewentualnego odczytania oprogramowania układowego. W końcowej części natomiast omówiono zasady inżynierii wstecznej oprogramowania, umożliwiającej ataki na urządzenia. Znajdziemy tu również wskazówki dotyczące ochrony urządzeń przed najbardziej typowymi atakami. Dzięki książce dowiesz się, jak: testować systemy wbudowane i rozpoznawać ich najważniejsze funkcjonalności identyfikować i atakować krytyczne zabezpieczenia odczytywać i modyfikować dane zapisane w systemach wbudowanych badać zależności pomiędzy oprogramowaniem układowym a sprzętem atakować zabezpieczenia stosowane w różnych blokach funkcjonalnych urządzeń rozwijać laboratorium umożliwiające zaawansowane analizy i przygotowanie ataków Internet rzeczy również można skutecznie zaatakować!
Hardware i testy penetracyjne. Przewodnik po metodach ataku i obrony
Jean-Georges Valle
Hardware i testy penetracyjne. Przewodnik po metodach ataku i obrony Wraz z rozwojem internetu rzeczy, a także upowszechnianiem się elektronicznego sterowania i kontrolowania różnych procesów przestępcy doskonalą techniki łamania zabezpieczeń systemów wbudowanych. Konsekwencje skutecznego ataku na jakiś kluczowy element infrastruktury mogą się okazać dotkliwe i niezwykle kosztowne. Oznacza to, że testowanie pod kątem bezpieczeństwa powinno dotyczyć sprzętu i systemów wbudowanych. Również elektronicy powinni umieć chronić przed atakami swoje urządzenia. Szczególną rolę w tym procesie odgrywają testy penetracyjne, których celem jest wyszukiwanie luk w zabezpieczeniach. Oto praktyczny przewodnik po bezpieczeństwie sprzętu. Opisuje podstawy sprzętowej architektury systemów wbudowanych i protokoły komunikacyjne stosowane w urządzeniach elektronicznych. Pokazuje, w jaki sposób można przechwytywać przesyłane dane i jak wykorzystać tę wiedzę do przeprowadzania ataków. W książce zaprezentowano techniki identyfikacji i klasyfikacji zagrożeń systemu. Przeanalizowano także zależności łączące system wbudowany z jego otoczeniem, przy czym zwrócono uwagę na możliwe podatności na ataki i konsekwencje ewentualnego odczytania oprogramowania układowego. W końcowej części natomiast omówiono zasady inżynierii wstecznej oprogramowania, umożliwiającej ataki na urządzenia. Znajdziemy tu również wskazówki dotyczące ochrony urządzeń przed najbardziej typowymi atakami. Dzięki książce dowiesz się, jak: testować systemy wbudowane i rozpoznawać ich najważniejsze funkcjonalności identyfikować i atakować krytyczne zabezpieczenia odczytywać i modyfikować dane zapisane w systemach wbudowanych badać zależności pomiędzy oprogramowaniem układowym a sprzętem atakować zabezpieczenia stosowane w różnych blokach funkcjonalnych urządzeń rozwijać laboratorium umożliwiające zaawansowane analizy i przygotowanie ataków Internet rzeczy również można skutecznie zaatakować!
Hartowanie Linuksa we wrogich środowiskach sieciowych. Ochrona serwera od TLS po Tor
Kyle Rankin
Bezpieczeństwo serwerów - od TLS do TOR W dzisiejszym świecie, w którym wiele codziennych aktywności odbywa się przez internet, bardzo dużo zależy od bezpieczeństwa serwerów. Kiedy zwykli ludzie tworzą społeczności, komunikują się i robią zakupy online, hakerzy niestrudzenie przeglądają sieć, poszukując słabych punktów. Atakują różne obiekty: mogą to być agencje rządowe, elektrownie i banki, ale równie dobrze ich celem może się stać jakakolwiek sieć komputerów. Chodzi o uzyskanie wrażliwych informacji, zbiorów danych osobowych czy wreszcie przejęcie kontroli nad systemem. Co gorsza, agresorzy odnoszą sukcesy nawet w przypadku sieci, w których wdrożono złożone i kosztowne zabezpieczenia. Dzięki tej książce poznasz sprawdzone i niezbyt skomplikowane procedury, które pozwolą Ci na zahartowanie swoich danych. Zawarte tu treści przedstawiono w sposób bardzo praktyczny, z uwzględnieniem najnowszych osiągnięć w dziedzinie zabezpieczania systemów. Najpierw zapoznasz się z ogólnym ujęciem tematyki bezpieczeństwa systemów, w tym stacji roboczych, serwerów i sieci. Następnie dowiesz się, w jaki sposób zahartować specyficzne usługi, takie jak serwery WWW, pocztę elektroniczną, systemy DNS i bazy danych. Na końcu książki znalazł się rozdział poświęcony reagowaniu na incydenty - to również jest wiedza potrzebna każdemu administratorowi. Najciekawsze zagadnienia: Hartowanie stacji roboczych, w tym stacji roboczych administratorów Zabezpieczanie infrastruktury i ustawienie zapory sieciowej Zaawansowane hartowanie serwerów poczty elektronicznej Korzystanie z podstawowych i zaawansowanych właściwości usługi DNS Poruszanie się w sieci TOR Po pierwsze: zabezpiecz swoją sieć i zahartuj swój system! Kyle Rankin od wielu lat zajmuje się administrowaniem systemów informatycznych. Jest uznanym ekspertem w dziedzinie zabezpieczania infrastruktury, architektury, automatyzacji i rozwiązywania problemów z tym związanych. Rankin jest nagradzanym felietonistą magazynu "Linux Journal" i przewodniczącym rady doradczej Purism. Często wygłasza referaty na konferencjach poświęconych oprogramowaniu open source i bezpieczeństwu, takich jak O'Reilly Security Conference, CactusCon, SCALE, OSCON, LinuxWorld Expo, Penguicon.
John Boero
Creating machine images can be time-consuming and error-prone when done manually. HashiCorp Packer enables you to automate this process by defining the configuration in a simple, declarative syntax. This configuration is then used to create machine images for multiple environments and cloud providers.The book begins by showing you how to create your first manifest while helping you understand the available components. You’ll then configure the most common built-in builder options for Packer and use runtime provisioners to reconfigure a source image for desired tasks. You’ll also learn how to control logging for troubleshooting errors in complex builds and explore monitoring options for multiple logs at once. As you advance, you’ll build on your initial manifest for a local application that’ll easily migrate to another builder or cloud. The chapters also help you get to grips with basic container image options in different formats while scaling large builds in production. Finally, you’ll develop a life cycle and retention policy for images, automate packer builds, and protect your production environment from nefarious plugins.By the end of this book, you’ll be equipped to smoothen collaboration and reduce the risk of errors by creating machine images consistently and automatically based on your defined configuration.
John Boero
Creating machine images can be time-consuming and error-prone when done manually. HashiCorp Packer enables you to automate this process by defining the configuration in a simple, declarative syntax. This configuration is then used to create machine images for multiple environments and cloud providers.The book begins by showing you how to create your first manifest while helping you understand the available components. You’ll then configure the most common built-in builder options for Packer and use runtime provisioners to reconfigure a source image for desired tasks. You’ll also learn how to control logging for troubleshooting errors in complex builds and explore monitoring options for multiple logs at once. As you advance, you’ll build on your initial manifest for a local application that’ll easily migrate to another builder or cloud. The chapters also help you get to grips with basic container image options in different formats while scaling large builds in production. Finally, you’ll develop a life cycle and retention policy for images, automate packer builds, and protect your production environment from nefarious plugins.By the end of this book, you’ll be equipped to smoothen collaboration and reduce the risk of errors by creating machine images consistently and automatically based on your defined configuration.
Chandra Mohan Dhanasekaran, Manjunath H. Gowda
This HashiCorp Terraform Associate (003) exam guide simplifies technical content relating to the exam and helps you learn using real-world examples. The book is aligned with the latest exam objectives, which enables you to streamline your learning experience instead of referring to multiple sources for preparation. Moreover, the book is designed to serve as a one-stop solution for readers with varied levels of experience in Terraform.You'll learn how to efficiently provision and manage cloud and on-premises infrastructure using Terraform. As you progress, you’ll focus on essential commands, state management techniques, and best practices. Later chapters will show you how to harness the power of Terraform modules for code reusability and scalability. You’ll also gain insights into advanced topics such as debugging, troubleshooting, and leveraging Terraform Cloud and Terraform Enterprise for collaborative infrastructure management. This book provides you with lifetime access to supplementary practice resources such as mock exams, flashcards, and exam tips from experts.By the end of this book, you’ll have the knowledge and skills you need to confidently tackle the Terraform Associate certification exam and excel in your career.
Chandra Mohan Dhanasekaran, Manjunath H. Gowda
This HashiCorp Terraform Associate (003) exam guide simplifies technical content relating to the exam and helps you learn using real-world examples. The book is aligned with the latest exam objectives, which enables you to streamline your learning experience instead of referring to multiple sources for preparation. Moreover, the book is designed to serve as a one-stop solution for readers with varied levels of experience in Terraform.You'll learn how to efficiently provision and manage cloud and on-premises infrastructure using Terraform. As you progress, you’ll focus on essential commands, state management techniques, and best practices. Later chapters will show you how to harness the power of Terraform modules for code reusability and scalability. You’ll also gain insights into advanced topics such as debugging, troubleshooting, and leveraging Terraform Cloud and Terraform Enterprise for collaborative infrastructure management. This book provides you with lifetime access to supplementary practice resources such as mock exams, flashcards, and exam tips from experts.By the end of this book, you’ll have the knowledge and skills you need to confidently tackle the Terraform Associate certification exam and excel in your career.
Haskell Cookbook. Build functional applications using Monads, Applicatives, and Functors
Yogesh Sajanikar
Haskell is a purely functional language that has the great ability to develop large and difficult, but easily maintainable software.Haskell Cookbook provides recipes that start by illustrating the principles of functional programming in Haskell, and then gradually build up your expertise in creating industrial-strength programs to accomplish any goal. The book covers topics such as Functors, Applicatives, Monads, and Transformers. You will learn various ways to handle state in your application and explore advanced topics such as Generalized Algebraic Data Types, higher kind types, existential types, and type families. The book will discuss the association of lenses with type classes such as Functor, Foldable, and Traversable to help you manage deep data structures.With the help of the wide selection of examples in this book, you will be able to upgrade your Haskell programming skills and develop scalable software idiomatically.
haXe 2 Beginner's Guide. Develop exciting applications with this multi-platform programming language
Benjamin Dasnois
This book is part of the Packt Beginner's Guide series. Written in an engaging style, it offers step-by-step examples with screenshots at key steps and clear explanation of what is happening in each task. This book is written for both Beginners and Developers who want to learn this multi-platform programming language to build web applications from scratch.
Jeremy McCurdy
Haxe is a powerful and high-level multi-platform language that's incredibly easy to learn. Used by thousands of developers and many high-profile companies, Haxe is quickly emerging as a forerunner in the area of cross-platform programming. OpenFL builds on top of Haxe to make developing for multiple platforms quick and painless. HaxeFlixel provides you with the tools you need to build amazing 2D games easier than ever before. Cross-platform development has been supercharged using the Haxe programming language, making it increasingly easy and hassle-free to develop multi-platform games. If you've programmed games before and want to learn out how to deliver games across multiple platforms, or develop games faster, then Haxe Game Development Essentials is the book for you.It starts by showing you how to set up your development environment, then running you through some Haxe language fundamentals, and finally taking you through the process of programming a game from start to finish.You will learn how to create a side scrolling shooter game using HaxeFlixel. Next you will learn to enhance the game with new gameplay features, user interfaces, animations, sound, and configuration files to make your game expandable. Once your game is built and ready, you will learn how to deploy it to web, Android, iOS, and desktop systems. By the end of this book, you will be confident about creating multi-platform games using Haxe, OpenFL, and HaxeFlixel in a faster and easier way.
Yifeng Jiang
As an Open Source distributed big data store, HBase scales to billions of rows, with millions of columns and sits on top of the clusters of commodity machines. If you are looking for a way to store and access a huge amount of data in real-time, then look no further than HBase.HBase Administration Cookbook provides practical examples and simple step-by-step instructions for you to administrate HBase with ease. The recipes cover a wide range of processes for managing a fully distributed, highly available HBase cluster on the cloud. Working with such a huge amount of data means that an organized and manageable process is key and this book will help you to achieve that.The recipes in this practical cookbook start from setting up a fully distributed HBase cluster and moving data into it. You will learn how to use all of the tools for day-to-day administration tasks as well as for efficiently managing and monitoring the cluster to achieve the best performance possible. Understanding the relationship between Hadoop and HBase will allow you to get the best out of HBase so the book will show you how to set up Hadoop clusters, configure Hadoop to cooperate with HBase, and tune its performance.