NumPy Beginner's Guide. An action packed guide using real world examples of the easy to use, high performance, free open source NumPy mathematical library. - Second Edition

Ivan Idris

NumPy is an extension to, and the fundamental package for scientific computing with Python. In today's world of science and technology, it is all about speed and flexibility. When it comes to scientific computing, NumPy is on the top of the list.NumPy Beginner's Guide will teach you about NumPy, a leading scientific computing library. NumPy replaces a lot of the functionality of Matlab and Mathematica, but in contrast to those products, is free and open source.Write readable, efficient, and fast code, which is as close to the language of mathematics as is currently possible with the cutting edge open source NumPy software library. Learn all the ins and outs of NumPy that requires you to know basic Python only. Save thousands of dollars on expensive software, while keeping all the flexibility and power of your favourite programming language.You will learn about installing and using NumPy and related concepts. At the end of the book we will explore some related scientific computing projects. This book will give you a solid foundation in NumPy arrays and universal functions. Through examples, you will also learn about plotting with Matplotlib and the related SciPy project. NumPy Beginner's Guide will help you be productive with NumPy and have you writing clean and fast code in no time at all.

NumPy Essentials. Click here to enter text

Jaidev Deshpande, Leo (Liang-Huan) Chin, Tanmay Dutta, Shane Holloway

In today’s world of science and technology, it’s all about speed and flexibility. When it comes to scientific computing, NumPy tops the list. NumPy gives you both the speed and high productivity you need.This book will walk you through NumPy using clear, step-by-step examples and just the right amount of theory. We will guide you through wider applications of NumPy in scientific computing and will then focus on the fundamentals of NumPy, including array objects, functions, and matrices, each of them explained with practical examples. You will then learn about different NumPy modules while performing mathematical operations such as calculating the Fourier Transform; solving linear systems of equations, interpolation, extrapolation, regression, and curve fitting; and evaluating integrals and derivatives. We will also introduce you to using Cython with NumPy arrays and writing extension modules for NumPy code using the C API. This book will give you exposure to the vast NumPy library and help you build efficient, high-speed programs using a wide range of mathematical features.

Object-Oriented JavaScript. If you've limited or no experience with JavaScript, this book will put you on the road to being an expert. A wonderfully compiled introduction to objects in JavaScript, it teaches through examples and practical play. - Second Edition

Kumar Chetan Sharma, Stoyan Stefanov, Kumar Chetan Sharma

JavaScript is the behavior, the third pillar in today's paradigm that looks at web pages as something that consists of clearly distinguishable parts: content (HTML), presentation (CSS) and behavior (JavaScript). Using JavaScript, you can create not only web pages but also desktop widgets, browser and application extensions, and other pieces of software. It's a pretty good deal: you learn one language and then code all kinds of different applications. While there's one chapter specifically dedicated to the web browser environment including DOM, Events and AJAX tutorials, the rest is applicable to the other environmentsMany web developers have tried coding or adopting some bits of JavaScript, but it is time to man up and learn the language properly because it is the language of the browser and is, virtually, everywhere. This book starts from zero, not assuming any prior JavaScript programming knowledge and takes you through all the in-depth and exciting futures hidden behind the facade. Once listed in the nice to have sections of job postings, these days the knowledge of JavaScript is a deciding factor when it comes to hiring web developers. After reading this book you'll be prepared to ace your JavaScript job interview and even impress with some bits that the interviewer maybe didn't know. You should read this book if you want to be able to take your JavaScript skills to a new level of sophistication.

Object-Oriented Programming with Swift 2. Click here to enter text

Gaston C. Hillar

Object-Oriented Programming (OOP) is a programming paradigm based on the concept of objects; these are data structures that contain data in the form of fields, often known as attributes and code. Objects are everywhere, and so it is very important to recognize elements, known as objects, from real-world situations and know how they can easily be translated into object-oriented code.Object-Oriented Programming with Swift is an easy-to-follow guide packed full of hands-on examples of solutions to common problems encountered with object-oriented code in Swift. It starts by helping you to recognize objects using real-life scenarios and demonstrates how working with them makes it simpler to write code that is easy to understand and reuse. You will learn to protect and hide data with the data encapsulation features of Swift. Then, you will explore how to maximize code reuse by writing code capable of working with objects of different types. After that, you'll discover the power of parametric polymorphism and will combine generic code with inheritance and multiple inheritance. Later, you move on to refactoring your existing code and organizing your source for easy maintenance and extensions.By the end of the book, you will be able to create better, stronger, and more reusable code, which will help you build better applications.

Observability with Grafana. Monitor, control, and visualize your Kubernetes and cloud platforms using the LGTM stack

Rob Chapman, Peter Holmes

To overcome application monitoring and observability challenges, Grafana Labs offers a modern, highly scalable, cost-effective Loki, Grafana, Tempo, and Mimir (LGTM) stack along with Prometheus for the collection, visualization, and storage of telemetry data.Beginning with an overview of observability concepts, this book teaches you how to instrument code and monitor systems in practice using standard protocols and Grafana libraries. As you progress, you’ll create a free Grafana cloud instance and deploy a demo application to a Kubernetes cluster to delve into the implementation of the LGTM stack. You’ll learn how to connect Grafana Cloud to AWS, GCP, and Azure to collect infrastructure data, build interactive dashboards, make use of service level indicators and objectives to produce great alerts, and leverage the AI & ML capabilities to keep your systems healthy. You’ll also explore real user monitoring with Faro and performance monitoring with Pyroscope and k6. Advanced concepts like architecting a Grafana installation, using automation and infrastructure as code tools for DevOps processes, troubleshooting strategies, and best practices to avoid common pitfalls will also be covered.After reading this book, you’ll be able to use the Grafana stack to deliver amazing operational results for the systems your organization uses.

Od matematyki do programowania uogólnionego

Daniel E. Rose, Alexander A. Stepanov

Pasjonująca matematyka dla programistów! Program to nic innego jak ciąg poleceń realizujących zadany algorytm. A gdy mówimy o algorytmach, jesteśmy tylko o krok od matematyki! To wyjątkowo interesująca dziedzina, którą w praktyce powinien znać każdy programista. Jeżeli chciałbyś zrozumieć uogólnione zasady programowania oraz podstawy matematycznych abstrakcji, na których się ono opiera, to trzymasz w rękach odpowiednią publikację. Na kolejnych stronach znajdziesz interesujące informacje na temat pierwszych algorytmów, historii zera oraz nowoczesnych teorii liczb. Po zdobyciu podstawowych wiadomości oraz poznaniu ogólnej historii matematyki przejdziesz do zaznajamiania się z abstrakcjami, takimi jak grupy, monoidy, półgrupy. Następnie opanujesz m.in. takie zagadnienia, jak wyprowadzanie algorytmu uogólnionego, struktury algebraiczne oraz sposoby organizacji wiedzy matematycznej. Sprawdzisz też, jak wyglądają najważniejsze koncepcje programowania, co to są algorytmy permutacyjne i czym zajmuje się kryptologia. Książka ta jest doskonałą lekturą, która pochłonie Cię na wiele godzin! Poznasz między innymi: jak uogólnić liczący cztery tysiące lat algorytm, niezrównane ujęcie klarowności i wydajności; starożytne paradoksy, piękne twierdzenia i produktywne napięcie występujące między tym, co ciągłe, i tym, co dyskretne; prosty algorytm znajdowania największego wspólnego dzielnika (NWD) i nowoczesne, wywodzące się z niego abstrakcje; solidne matematyczne podejścia do abstrakcji; że algebra abstrakcyjna dostarcza koncepcji pozostających w samym centrum programowania uogólnionego; aksjomaty, dowody, teorie i modele, czyli zastosowanie metod matematycznych do organizowania wiedzy o Twoich algorytmach i strukturach danych; zaskakujące subtelności tkwiące w prostych zadaniach programistycznych i co jest w nich pouczającego; jak wykorzystać wiedzę teoretyczną w praktycznych implementacjach, a także poczujesz ducha i aurę, które otaczały myślicieli, matematyków i twórców algorytmów od najdawniejszych czasów po współczesność. Przekonaj się, jakie tajemnice kryje świat matematyki! Alexander A. Stepanov — jest autorem licznych prac o podstawach programowania. W swojej karierze programował systemy operacyjne, narzędzia, kompilatory oraz dodatkowe biblioteki. Jest laureatem nagrody Excellence in Programming, przyznawanej przez miesięcznik „Dr. Dobb’s Journal”, i autorem projektu standardowej biblioteki szablonów (STL) w języku C++. Daniel E. Rose — zajmował kierownicze stanowiska w firmach Apple, AltaVista, Xigo, Yahoo! i A9.com. W swoich badaniach skupia się na wszystkich aspektach związanych z wyszukiwaniem danych. Na Uniwersytecie Kalifornijskim w San Diego zrobił doktorat z kognitywistyki.  

Od monolitu do mikrousług. Ewolucyjne wzorce przekształcania systemów monolitycznych

Sam Newman

Mikrousługi są relatywnie świeżą koncepcją w świecie systemów IT, mimo to coraz więcej organizacji decyduje się na wdrażanie opartej na nich architektury. Uznaje się, że zapewnia ona wówczas lepszą skalowalność, łatwość łączenia poszczególnych niezależnych elementów, a przede wszystkim możliwość szybszej reakcji na zmiany i skuteczniejsze wdrażanie nowych funkcjonalności. Zanim jednak organizacja da się skusić tymi obietnicami, powinna gruntownie przeanalizować swoją sytuację i decyzję o ewentualnej migracji systemu oprzeć na racjonalnych przesłankach. Konieczne jest również opracowanie planu takiego przejścia, zwłaszcza jeśli nie można sobie pozwolić na dłuższe przestoje w działalności. To wyczerpujący poradnik dla inżynierów, którzy stoją przed wyzwaniem przekształcenia monolitycznego systemu w architekturę opartą na mikrousługach bez przerywania funkcjonowania firmy. Książka jest przeznaczona dla organizacji, które muszą płynnie zmienić istniejący system, a nie zbudować go od nowa. Zawiera wiele cennych wskazówek odnoszących się do celowości samej migracji oraz przedstawia liczne scenariusze i strategie przekształcania: od etapu planowania aż po dekompozycję aplikacji i baz danych. Znalazł się tu zestaw sprawdzonych wzorców i technik wraz z omówieniem sytuacji, w jakich można je bezpiecznie zastosować. Nie zabrakło ważnych szczegółów związanych z wzorcami refaktoryzacji architektury czy problematyki naruszeń integralności w wyniku podziału baz danych. W tej książce między innymi: podstawowe koncepcje związane z mikrousługami ocena przydatności mikrousług w konkretnych sytuacjach planowanie wdrażania architektury opartej na mikrousługach wzorce migracji, dekompozycja aplikacji i inne zagadnienia techniczne wykrywanie i rozwiązywanie problemów związanych z mikrousługami Dążysz do sukcesu? Obierz kurs na mikrousługi!

OData Programming Cookbook for .NET Developers. 70 fast-track, example-driven recipes with clear instructions and details for OData programming with .NET Framework with this book and

Steven Cheng, Juntao Cheng

Odata (Open Data Protocol) is a Web protocol for querying and updating data that provides a way to unlock your data and free it from silos that exist in applications today. OData enables data access among a variety of applications, services, and stores by adopting existing Web technologies such as HTTP, XML, and JSON. This book deals with common OData programming cases over the Microsoft .NET Framework platform and eases the learning curve for a .NET developer to start incorporating OData in data service development.This book provides a collection of recipes that help .NET developers to get familiar with OData programming in a quick and efficient manner. The recipes cover most OData features from the former ADO.NET Data Service to the current WCF Data Service platform. In addition, all the sample cases here are based on real-world scenarios and issues that .NET developers might come across when programming with OData in application development.This book will be your handy guide with basic to advanced walkthroughs of common OData programming cases for the Microsoft .NET Framework platform. You will learn quick solutions to necessary tasks to integrate the power of OData at both server-side and client-side.This book will help you master the use of OData with .NET Framework by taking you through hands-on and practical recipes. It starts by talking about the common means for building OData services and consuming OData services in client applications. Then, some more specific topics like hosting, configuration and security are discussed. The book also covers many popular and interesting topics such as integrating OData in web applications, and developing data-driven mobile applications with OData. Moreover, you can also find quite a few recipes discussing real-world OData producers and new features in latest and future versions.Within OData Programming Cookbook for .NET Developers, all the recipes are selected based on real-world scenarios that you will commonly come across. Each recipe covers a specific topic, going from the description of the problem, through a conceptual solution, to a solution containing sample code. By following these recipes, you can acquire how to program with OData in a simple, effective, and easy manner.

Offline First Web Development. Design and build robust offline-first apps for exceptional user experience even when an internet connection is absent

Daniel Sauble

When building mobile apps, it’s easy to forget about the moments when your users lack a good Internet connection. Put your phone in airplane mode, open a few popular apps, and you’ll quickly see how they handle being offline. From Twitter to Pinterest to Apple Maps, some apps might handle being offline better—but very few do it well. A poor offline experience will result in frustrated users who will abandon your app, or worse, turn to your competitor’s appsExpert or novice, this book will teach you everything you need to know about designing and building a rigorous offline app experience. By putting the offline experience first, you’ll have a solid foundation to build upon, avoiding the unnecessary stress and frustration of trying to retrofit offline capabilities into your finished app. This basic principle, designing for the worst-case scenario, could save you countless hours of wasted effort.

Opa Application Development. A rapid and secure web development framework to develop web applications quickly and easily in Opa

Li Wenbo

Opa is a full-stack Open Source web development framework for JavaScript that lets you write secure and scalable web applications. It generates standard Node.js/MongoDB applications, natively supports HTML5 and CSS and automates many aspects of modern web application programming. It handles all aspects of web programming written in one consistent language and compiled to web standards.Opa Application Development is a practical,hands-on guide that provides you with a number of step-by-step exercises. It covers almost all aspects of developing a web application with Opa, which will help you take advantage of the real power of Opa, as well as building a secure, powerful web application rapidly.Opa Application Development dives into all concepts and components required to build a web application with Opa. The first half of this book shows you all of the basic building blocks that you will need to develop an Opa application, including the syntax of Opa, web development aspects, client and server communication and slicing, plugin, database, and so on. By the end of the book you will have yourself created a complete web application along with a game: Pacman!

Open Source Projects - Beyond Code. A blueprint for scalable and sustainable open source projects

John Mertic

Open source is ubiquitous in our society, with countless existing projects, and new ones emerging every day. It follows a scratch-your-own-itch model where contributors and maintainers drive the project forward. Through Open Source Projects - Beyond Code, you'll learn what it takes to develop a successful, scalable, and sustainable open source project. In this book, you’ll explore the full life cycle of open source projects, from inception, through launch, to maturity, and then discover how to sunset an open source project responsibly. Along the way, you’ll learn the concepts of licensing, governance, community building, ecosystem management, and growing maintainers and contributors, as well as understand how other open source projects have been successful or might have struggled in some areas. You can use this book as an end-to-end guide or reference material for the future. By the end of this book, you’ll be able to accelerate your career in open source. Your newly acquired skills will help you stay ahead of the curve even with the ever-evolving nature of technology.

OpenCL Programming by Example. A comprehensive guide on OpenCL programming with examples with this book and

Koushik Bhattacharyya, Ravishekhar Banger

Research in parallel programming has been a mainstream topic for a decade, and will continue to be so for many decades to come. Many parallel programming standards and frameworks exist, but only take into account one type of hardware architecture. Today computing platforms come with many heterogeneous devices. OpenCL provides royalty free standard to program heterogeneous hardware.This guide offers you a compact coverage of all the major topics of OpenCL programming. It explains optimization techniques and strategies in-depth, using illustrative examples and also provides case studies from diverse fields. Beginners and advanced application developers will find this book very useful.Beginning with the discussion of the OpenCL models, this book explores their architectural view, programming interfaces and primitives. It slowly demystifies the process of identifying the data and task parallelism in diverse algorithms.It presents examples from different domains to show how the problems within different domains can be solved more efficiently using OpenCL. You will learn about parallel sorting, histogram generation, JPEG compression, linear and parabolic regression and k-nearest neighborhood, a clustering algorithm in pattern recognition. Following on from this, optimization strategies are explained with matrix multiplication examples. You will also learn how to do an interoperation of OpenGL and OpenCL.OpenCL Programming by Example explains OpenCL in the simplest possible language, which beginners will find it easy to understand. Developers and programmers from different domains who want to achieve acceleration for their applications will find this book very useful.

OpenCV: Computer Vision Projects with Python. Develop computer vision applications with OpenCV

Michael Beyeler, Prateek Joshi, Joseph Howse

OpenCV is a state-of-art computer vision library that allows a great variety of image and video processing operations. OpenCV for Python enables us to run computer vision algorithms in real time.This learning path proposes to teach the following topics. First, we will learn how to get started with OpenCV and OpenCV3’s Python API, and develop a computer vision application that tracks body parts. Then, we will build amazing intermediate-level computer vision applications such as making an object disappear from an image, identifying different shapes, reconstructing a 3D map from images , and building an augmented reality application, Finally, we’ll move to more advanced projects such as hand gesture recognition, tracking visually salient objects, as well as recognizing traffic signs and emotions on faces using support vector machines and multi-layer perceptrons respectively. 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:• OpenCV Computer Vision with Python by Joseph Howse • OpenCV with Python By Example by Prateek Joshi• OpenCV with Python Blueprints by Michael Beyeler

OpenGL - Build high performance graphics. Assimilate the ideas shared in the course to utilize the power of OpenGL to perform a wide variety of tasks

William Lo, Muhammad Mobeen Movania, Raymond Chun Hing Lo

OpenGL is a fully functional, cross-platform API widely adopted across the industry for 2D and 3D graphics development. It is mainly used for game development and applications, but is equally popular in a vast variety of additional sectors. This practical course will help you gain proficiency with OpenGL and build compelling graphics for your games and applications. OpenGL Development Cookbook – This is your go-to guide to learn graphical programming techniques and implement 3D animations with OpenGL. This straight-talking Cookbook is perfect for intermediate C++ programmers who want to exploit the full potential of OpenGL. Full of practical techniques for implementing amazing computer graphics and visualizations using OpenGL. OpenGL 4.0 Shading Language Cookbook, Second Edition – With Version 4, the language has been further refined to provide programmers with greater power and flexibility, with new stages such as tessellation and compute. OpenGL Shading Language 4 Cookbook is a practical guide that takes you from the fundamentals of programming with modern GLSL and OpenGL, through to advanced techniques.OpenGL Data Visualization Cookbook - This easy-to-follow, comprehensive Cookbook shows readers how to create a variety of real-time, interactive data visualization tools. Each topic is explained in a step-by-step format. A range of hot topics is included, including stereoscopic 3D rendering and data visualization on mobile/wearable platforms. By the end of this guide, you will be equipped with the essential skills to develop a wide range of impressive OpenGL-based applications for your unique data visualization needs.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, OpenGL Development Cookbook by Muhammad Mobeen Movania, OpenGL 4.0 Shading Language Cookbook, Second Edition by David Wolff, OpenGL Data Visualization Cookbook by Raymond C. H. Lo, William C. Y. Lo

OpenGL Game Development By Example. Design and code your own 2D and 3D games efficiently using OpenGL and C++

Stephen Madsen, Robert Madsen

OpenGL is one of the most popular rendering SDKs used to develop games. OpenGL has been used to create everything from 3D masterpieces running on desktop computers to 2D puzzles running on mobile devices. You will learn to apply both 2D and 3D technologies to bring your game idea to life. There is a lot more to making a game than just drawing pictures and that is where this book is unique! It provides a complete tutorial on designing and coding games from the setup of the development environment to final credits screen, through the creation of a 2D and 3D game.The book starts off by showing you how to set up a development environment using Visual Studio, and create a code framework for your game. It then walks you through creation of two games–a 2D platform game called Roboracer 2D and a 3D first-person space shooter game–using OpenGL to render both 2D and 3D graphics using a 2D coordinate system. You'll create sprite classes, render sprites and animation, and navigate and control the characters. You will also learn how to implement input, use audio, and code basic collision and physics systems. From setting up the development environment to creating the final credits screen, the book will take you through the complete journey of creating a game engine that you can extend to create your own games.

OpenLayers 3.x Cookbook. This book will provide users with a variety of recipes that illustrate different features present in OpenLayers 3 - Second Edition

Peter J. Langley, Antonio Santiago Perez

OpenLayers 3 is one of the most important and complete open source JavaScript mapping libraries today. Throughout this book, you will go through recipes that expose various features of OpenLayers 3, allowing you to gain an insight into building complex GIS web applications.You will get to grips with the basics of creating a map with common functionality and quickly advance to more complicated solutions that address modern challenges. You will explore into maps, raster and vector layers, and styling in depth. This book also includes problem solving and how-to recipes for the most common and important tasks.