This textbook on Python 3 explains concepts such as variables and what they represent, how data is held in memory, how a for loop works and what a string is. It also introduces key concepts such as functions, modules and packages as well as object orientation and functional programming. Each section is prefaced with an introductory chapter, before continuing with how these ideas work in Python.Topics such as generators and coroutines are often misunderstood and these are explained ...

The year is 2020 and President Trump has just announced that the world is bracing itself for the effects of a huge solar storm. 17 year old Jim Richards is a gawky, unimpressive teenager in Anchorage, Alaska. As chaos descends and society breaks down into anarchy and violence, his family team up with others to leave the city and take their chances in the Alaskan wilderness. They can no longer flick a switch to get what they want, no mobile or internet, in fact no communication at all with ...

Scala is now an established programming language developed by Martin Oderskey and his team at the EPFL. The name Scala is derived from Sca(lable) La(nguage). Scala is a multi-paradigm language, incorporating object oriented approaches with functional programming.Although some familiarity with standard computing concepts is assumed (such as the idea of compiling a program and executing this compiled from etc.) and with basic procedural language concepts (such as variables and alloca...

Anglo-Saxon Mercia was a great power in its day, although many aspects of it have been shrouded in myth and mystery. However, recent discoveries, such as the Staffordshire Hoard and the Lichfield Angel, have shone a fascinating light into the world of Mercia and the Mercians.In Warriors, Warlords and Saints: The Anglo-Saxon Kingdom of Mercia, author John Hunt uses this evidence to paint a vivid picture of this political and cultural powerhouse which, at the height of its influence,...

“You don’t notice your nose much, but when it changes direction, it does get your attention.”Jethro ricochets through life with little to help him along the way other than his ability to bounce.His best friend tries to lend a hand, as does the therapist he sees after burglars break into his house and, among other things, demand he makes them coffee. Jethro’s wry story gradually reveals why he carries his girlfriend’s hat and shoe everywhere he goes.Days seem dark fo...

An Excellent Resource for Black History Month...OVER TWO HUNDRED ENTRIES from more than seventy African-Americans.Among those whose writings or quotations are included:- Richard Allen- Martin Luther King III- George Washington Carver- E. C. Morris- Frederick Douglass- Benjamin Tucker Tannner- Paul Laurence Dunbar- Sojourner Truth- Jupiter Hammon- Harriet Tubman- Lemuel Haynes- Charles T. Walk...

Advanced Guide to Python 3 Programming 2nd Edition delves deeply into a host of subjects that you need to understand if you are to develop sophisticated real-world programs. Each topic is preceded by an introduction followed by more advanced topics, along with numerous examples, that take you to an advanced level.This second edition has been significantly updated with two new sections on advanced Python language concepts and data analytics and machine learning. The GUI cha...

This is the twelfth volume in the rapidly expanding Springer Practitioner Series, and the third authored or co-.authored by John Hunt, the others being Key java (with A. McManus) and java for Practitioners. As with all John Hunt's books, this book is written in a clear, concise, comprehensible style. The demands on software development continue to exceed satisfactory delivery. There are many expensive failed systems. On the other hand, our capability to develop software is improving, and t...

Advanced Guide to Python 3 Programming delves deeply into a host of subjects that you need to understand if you are to develop sophisticated real-world programs. Each topic is preceded by an introduction followed by more advanced topics, along with numerous examples, that take you to an advanced level.There are nine different sections within the book covering Computer Graphics(including GUIs), Games, Testing, File Input and Output, Databases Access, Logging, Concurrency and ...

Scala is a new and exciting programming language that is a hybrid between object oriented languages such as Java and functional languages such as Haskell. As such it has its own programming idioms and development styles.Scala Design Patterns looks at how code reuse can be successfully achieved in Scala. A major aspect of this is the reinterpretation of the original Gang of Four design patterns in terms of Scala and its language structures (that is the use of Traits, Classe...

A simple meeting in a dark alley is the last thing that Gladys expects. It is also the last thing she will do for the rest of her life. Who would suspect that Gladys, this mousy, quiet woman, would be the start of the longest and most involved investigations our Chief of Detectives, Justone Steele will encounter. Not just dead and not just another story of love gone wrong in the Streets of NYC but the story of lies and love twisted up in the world of high priced international weapons deals...

Religion is an essential part of our humanity. We all follow some form of religion, in the original meaning of the word. But organized religion establishes definitions, boundaries and hierarchies which the founders would be amazed by. This is perhaps more true of Christianity than most other religions, due to the short life of Jesus, his sudden death, the lack of any contemporary records. His teaching about the kingdom of God is great; it could see us through our time on earth. But his fol...