# CHECK

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...

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...

There's no question that the goal-setting methodology OKR (Objectives and Key Results) helps companies achieve substantial goals - just ask Google, LinkedIn, and Twitter - but some organizations have struggled to make it work. This O'Reilly report explains how companies use OKRs to create focus, unity, and velocity within their teams, and...

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 ebook provides step-by-step instructions on replacing Cisco ACE with Nginx and off-the-shelf servers. Nginx helps you cut costs and modernize. Cisco entered the hardware load balancer market with an add-on "Application Control Engine" (ACE) module for its Catalyst 6500-series switches, the Cisco ACE30. Soon after they released the...

How long can humans live? This open access book documents, verifies and brings to life the advance of the frontier of human survival. It carefully validates data on supercentenarians, aged 110+, and semi-supercentenarians, aged 105-109, stored in the International Database on Longevity (IDL). The chapters in this book contribute substantial advance...

Implementing safety practices in healthcare saves lives and improves the quality of care: it is therefore vital to apply good clinical practices, such as the WHO surgical checklist, to adopt the most appropriate measures for the prevention of assistance-related risks, and to identify the potential ones using tools such as reporting & learni...

This open book provides an overview of the dissertations of the five nominees for the Ernst Denert Award for Software Engineering in 2019. The prize, kindly sponsored by the Gerlind & Ernst Denert Stiftung, is awarded for excellent work within the discipline of Software Engineering, which includes methods, tools and procedures for better an...

This open book adopts a rights-based approach to shed light on the different legal and policy instruments that have been developed to implement circular migration policies in the EU, and their consequences for the rights of migrant workers. It contributes to the understanding of the meaning of this concept in general and in the EU, as well as speci...

This open book is unique in presenting the first oral history of individuals with an intellectual disability and their families in China. In this summary volume and the two accompanying volumes that follow, individuals with an intellectual disability tell their life stories, while their family members, teachers, classmates, and co-workers describe ...

Express is a Node.js Web Framework. Node.js is an amazing tool for building networking services and applications. Express builds on top of its features to provide easy to use functionality that satisfy the needs of the Web Server use case. The Express Handbook follows the 80/20 rule: learn in 20% of the time the 80% of a topic. The author find t...

Academic Success is designed to help students on their university journey. It is divided into four parts, each reflecting different aspects of a student's tertiary experience. Part A: Successful Beginnings addresses what it is like to be a new student at an Australian university. Part B: Successful Foundations introduces basic skills in Englis...

In this open book, our goal is to study the fundamental concepts in programming languages, as opposed to learning a range of specific languages. Languages are easy to learn, it is the concepts behind them that are difficult. The basic features we study in turn include higher-order functions, data structures in the form of records and variants, muta...

This book started out as about 30 pages of notes for students in my introductory programming class at Mount St. Mary's University. Most of these students have no prior programming experience, and that has affected my approach. I leave out a lot of technical details and sometimes I oversimplify things. Some of these details are filled in later ...

The study of algorithms and data structures is central to understanding what computer science is all about. Learning computer science is not unlike learning any other type of difficult subject matter. The only way to be successful is through deliberate and incremental exposure to the fundamental ideas. A beginning computer scientist needs practice ...

To help you get the most of out of your Raspberry Pi computer, this official Handbook features 200 pages of essential information, inspiring projects, practical tutorials, and definitive reviews. - Learn how to set up your Raspberry Pi and start using it; - Discover the new Raspberry Pi 400 and High Quality Camera; - Be inspired by incredible ...

Add buttons, boxes, pictures and colours and more to your Python programs using the guizero library, which is quick, accessible, and understandable for all. This 156-page book is suitable for everyone, from beginners to experienced Python programmers who want to explore graphical user interfaces (GUIs). There are ten fun projects for you to c...

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...

How to Think Like a Computer Scientist is an introductory programming book based on the OCaml language. It is a modified version of Think Python by Allen Downey. It is intended for newcomers to programming and also those who know some programming but want to learn programming in the function-oriented paradigm, or those who simply want to learn OCam...

"How to Code in HTML5 and CSS3" is a free e-book about making websites in HTML5 and CSS for absolute beginners. It doesn't require any experience in IT to start. The aim of this book is to show the art of making websites using a plain language which is full of practical analogies. After reading over 100 pages you will get to know bas...

If your job involves working with data in any manner, you cannot afford to ignore the R revolution! If your domain is called data analysis, analytics, informatics, data science, reporting, business intelligence, data management, big data, or visualization, you just have to learn R as this programming language is a game-changing sledgehammer. How...

C is a general-purpose, procedural computer programming language supporting structured programming, lexical variable scope, and recursion, with a static type system. The C Programming Language Handbook follows the 80/20 rule: learn in 20% of the time the 80% of a topic. In particular, the goal is to get you up to speed quickly with C....

Want to know how to fix common computer problems, without having to wade through technical jargon? Or are you the family on-call technical support person, and need a bit of help? Help! My Computer Is Broken takes the most common computer problems and tells you how to fix them. It's as simple as that! If you've ever wondered why your la...

In this elementary textbook, Philip S. Peek draws on his twenty-five years of teaching experience to present the ancient Greek language in an imaginative and accessible way that promotes creativity, deep learning, and diversity. The course is built on three pillars: memory, analysis, and logic. Readers memorize the top 250 most frequently occurr...

It took me a pretty long time to really get Git. As I've continued to use Git more and more where I work, I've found myself trying to teach people what it is and why we use it over and over again, and the reality is that Git generally has a pretty steep learning curve compared to many other systems. I've seen case after case of devel...

Open Softwear is a book about fashion and technology. More precisely it is a book about Arduino boards, conductive fabric, resistive thread, soft buttons, LEDs, and some other things. Authors got the chance to come together to write down their conclusions in the form of an illustrated book aiming at students and professionals trying to enter the...

This open book aims to provide novice programmers solid foundation of basic knowledge regardless of the programming language. This book covers the fundamentals of programming that have not changed significantly over the last 10 years. Educational content was developed by an authoritative author team led by Svetlin Nakov from the Software University...

Containers change how developers build, test, and deploy code. Adopting them takes time. Using them the wrong way can slow down your delivery process. But you don't have a team of engineers to dedicate to this like Spotify or Netflix do. Maybe you're a startup CTO with features to ship - you can't spend hundreds of hours on intern...

Kubernetes has become the operating system of today's cloud native world, providing a reliable and scalable platform for running containerized workloads. In this friendly, pragmatic book, cloud experts Justin Domingus and John Arundel show you what Kubernetes can do-and what you can do with it. This updated second edition guides you through...

Ansible is an open-source software, automation engine, and automation language mainly used in software configuration management, infrastructure provisioning, configuration management, application deployment, and orchestration. The core Ansible is written in Python and can be used on Unix-like machines or Microsoft Windows. In Ansible Succinctly, Zo...

The Apache HTTP Server, colloquially called Apache, is the world's most used web server software. Originally based on the NCSA HTTPd server, development of Apache began in early 1995 after work on the NCSA code stalled. Apache played a key role in the initial growth of the World Wide Web, quickly overtaking NCSA HTTPd as the dominant HTTP serv...

Back in the mid 90s, Beej got tired of all his friends asking him how to do this stuff with networking programming in C, so he put pen to paper on the early World Wide Web and wrote down everything he knew just to get them off his back. Since then, the Guide has expanded significantly, with plenty of examples, and covers IPv6. Inside you'll fi...