# PURPOSE

Microsoft SQL Server is a relational database management system developed by Microsoft. It is an unofficial and free Microsoft SQL Server ebook created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

iOS is a mobile operating system created and developed by Apple. It is an unofficial and free iOS book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

Haskell is a general-purpose, statically typed, purely functional programming language with type inference and lazy evaluation. It is an unofficial and free Haskell book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

Go is a statically typed, compiled programming language designed at Google. It is an unofficial and free Go book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

Ruby on Rails (RoR), or Rails, is an open-source popular web application framework. Rails uses Ruby, HTML, CSS, and JavaScript to create a web application that runs on a web server. Rails uses the model-view-controller (MVC) pattern and provides a fullstack of libraries from the database all the way to the view. It is an unofficial and free Ruby...

A regular expression (regex or regexp) is a sequence of characters that define a search pattern. It is an unofficial and free Regular Expressions book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

Bukkit is a simple API that allows for modifying the normal Minecraft multiplayer experience using plugins. It is an unofficial and free Minecraft Bukkit book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

Matplotlib is a plotting library for Python. It provides object-oriented APIs for embedding plots into applications. It is similar to MATLAB in capacity and syntax. It is an unofficial and free Python Matplotlib book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardwor...

Vim is a console-based multi-mode (modal) text editor. It is widely used and available by default on all Unix, Linux, and Apple OS X systems. Vim has a large active community and a wide user base. The editor supports all popular programming languages, and many plugins are available to extend its features. It is an unofficial and free Vim book cr...

Bootstrap is a HTML, CSS, and JavaScript framework used to create websites that are created using a mobile-first paradigm as well as responsive web design (RWD). It uses a combination of premade CSS classes and JavaScript to make a variety of things on the web. It includes things such as a custom, responsive grid that allows websites to be viewed i...

SAS (Statistical Analysis System) is a statistical software suite for data management, advanced analytics, multivariate analysis, business intelligence, criminal investigation, and predictive analytics. It is an unofficial and free SAS book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is...

Bosun is an open-source monitoring and alerting system created by Stack Overflow. It has an expressive domain specific language for evaluating alerts and creating detailed notifications. It also lets you test your alerts against historical data for a faster development experience. It is an unofficial and free Bosun book created for educational p...

ABAP (Advanced Business Application Programming) is a high-level programming language developed by SAP for programming business applications in the SAP environment. It is an unofficial and free SAP ABAP book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking indivi...

The Canvas element is part of HTML5 and allows for dynamic, scriptable rendering of 2D shapes and bitmap images. Through WebGL it allows 3D shapes and images to be displayed. HTML5 Canvas also helps in making 2D games. It is an unofficial and free HTML5 Canvas book created for educational purposes. All the content is extracted from Stack Overflo...

LaTeX is a markup language for typesetting documents similar to how HTML is one for web sites. LaTeX is especially popular in academic writing due to its rich support for typesetting equations, cross-referencing figures and tables, and citations and bibliographies. It is an unofficial and free LaTeX book created for educational purposes. All the...

EPPlus is a .NET library that reads and writes Excel files using the Office Open XML format (xlsx). It is an unofficial and free .NET EPPlus book created for educational purposes. All the content is extracted from Stack Overflow Documentation, which is written by many hardworking individuals at Stack Overflow....

Applied Discrete Structures, is a two semester undergraduate text in discrete mathematics, focusing on the structural properties of mathematical objects. These include matrices, functions, graphs, trees, lattices and algebraic structures. The algebraic structures that are discussed are monoids, groups, rings, fields and vector spaces. Applied D...

This book is designed to introduce you to using containers and Kubernetes for full-stack development. You'll learn how to develop a full-stack application using Ruby on Rails and PostgreSQL with Sidekiq, and how to manage them all - first with Docker, then with Docker Compose, and finally with Kubernetes. The topics that it covers include h...

This book is designed to introduce you to using Ansible to manage your servers. You'll learn how to install and configure Ansible on a control node, and then how to use it to configure and run commands on remote servers. You'll also learn how to collect tasks into complete Playbooks to automate server setup from start to finish. The to...

This book is designed to introduce you to writing programs with the Go programming language. You'll learn how to write useful tools and applications that can run on remote servers, or local Windows, macOS, and Linux systems for development. The topics that it covers include how to: - Install and set up a local Go development environment on...

A child has lost their favourite toy. They are so sad. Will some kind strangers help?...

A little boy and his dad find a plot full of litter. Can they turn it into something wonderful?...

Ruby and her family have a fun day at the beach....

This open book features a selection of articles written by Erich Ch. Wittmann between 1984 to 2019, which shows how the "design science conception" has been continuously developed over a number of decades. The articles not only describe this conception in general terms, but also demonstrate various substantial learning environments that s...

This open book explores how biometric data is increasingly flowing across borders in order to limit, control and contain the mobility of selected people, namely criminalized populations. It introduces the concept of bio-bordering, using it to capture reverse patterns of bordering and ordering practices linked to transnational biometric data exchang...

This open book presents recent research and hot topics in the field of real estate science in Japan. It features carefully selected English translations of peer-reviewed papers and excellent articles published in the Japanese Journal of Real Estate Sciences, as well as papers presented at the Japan Association of Real Estate Sciences (JARES) annual...

This groundbreaking, open volume analyses and compares data practices across several fields through the analysis of specific cases of data journeys. It brings together leading scholars in the philosophy, history and social studies of science to achieve two goals: tracking the travel of data across different spaces, times and domains of research pra...

This open book provides a valuable restatement of the current law of armed conflict regarding hostilities in a diverse range of contexts: outer space, cyber operations, remote and autonomous weapons, undersea systems and devices, submarine cables, civilians participating in unmanned operations, military objectives by nature, civilian airliners, des...

This open book describes and illustrates the surgical techniques, implants, and technologies used for the purpose of personalized implantation of hip and knee components. This new and flourishing treatment philosophy offers important benefits over conventional systematic techniques, including component positioning appropriate to individual anatomy,...

Our purpose in this book is twofold. First, we introduce the basic skill set and knowledge base used by practicing instructional designers. We do this through chapters contributed by experts in the field who have either academic, research-based backgrounds, or practical, on-the-job experience (or both). Our goal is that students in introductory ins...

Types are the central organizing principle of the theory of programming languages. Language features are manifestations of type structure. The syntax of a language is governed by the constructs that define its types, and its semantics is determined by the interactions among those constructs. The soundness of a language design - the absence of ill-d...

This is a simple open book to learn Python programming language, it is for the programmers who are new to Python. Python is an interpreted, high-level and general-purpose programming language. Python consistently ranks as one of the most popular programming languages. Large organizations that use Python include Wikipedia, Google, Yahoo, CERN, NA...