Speedy and affordable multicore hardware is driving the demand for high-performing applications, and you can leverage the Java platform to bring these applications to life. Concurrency on the Java platform has evolved, from the synchronization model of JDK to software transactional memory (STM) and actor-based concurrency. This book is the first to show you all these concurrency styles so you can compare and choose what works best for your applications. You'll learn the benefits of each of these models, when and how to use them, and what their limitations are. Through hands-on exercises, you'll learn how to avoid shared mutable state and how to write good, elegant, explicit synchronization-free programs so you can create easy and safe concurrent applications. The techniques you learn in this book will take you from dreading concurrency to mastering and enjoying it. Best of all, you can work with Java or a JVM language of your choice - Clojure, JRuby, Groovy, or Scala - to reap the growing power of multicore hardware. If you are a Java programmer, you'd need JDK 1.5 or later and the Akka 1.0 library. In addition, if you program in Scala, Clojure, Groovy or JRuby you'd need the latest version of your preferred language. Groovy programmers will also need GPars.

    This book offers concrete examples and exercises in the dynamic and versatile Python language to demonstrate and reinforce these concepts. Learn the basic tools to start writing the programs that interest you, and get a better understanding of what software can (and cannot) do. When you're finished, you'll have the necessary foundation to learn any programming language or tackle any software project you choose. With a focus on programming concepts, this book teaches you how to:Understand the core features of all programming languages, including: variables, statements, decisions, loops, expressions, and operatorsReuse code with functionsUse library code to save time and effortSelect the best data structure to manage complex dataWrite programs that talk to the WebShare your data with other programsWrite programs that test themselves and help you avoid embarrassing coding errors.Contents Intro xxiii1 Starting to Code: Finding Your Way2 Textual Data: Every String Has Its Place3 Functions: Let’s Get Organized4 Data Files and Arrays: Sort It Out5 Hashes and Databases: Putting Data in Its Place6 Modular Programming: Keeping Things Straight7 Building a Graphical User Interface: Going All Gooey8 GUIs and Data: Data Entry Widgets8 1/2 Exceptions and Message Boxes: Get the Message? 9 Graphical Interface Elements: Selecting the Right Tool10 Custom Widgets and Classes: With an Object in MindAppendix i Leftovers: The Top Ten Things (We Didn’t Cover)

    Certainly the bailiff, John Little, has his suspicions about some of the warrior-like male acolytes, but are his fears justified? Infiltrating the group seems to be the best course of action, although the volatile Will Scaflock is none too happy about being nominated for the job by Friar Tuck...Following on from 2019's Faces of Darkness, this standalone new story sees three legendary heroes battling invisible 'Black Lords' and far more dangerous earthly foes, but can they figure out what's really going on in St Joseph's before anyone else dies?With twists and turns aplenty, and based on real events, historical fiction fans are sure to enjoy this action packed thriller as much as they did the author's previous bestsellers The Druid, Lucia and Wolf's Head.

    Elves and dwarves also had both passed into legend. And very few believed that any of the ancient tales were true or even could be true. There had assuredly never been dragons in the skies, or elves in the mountain forests and dwarves in their deep halls under The Elder Mountains – The Dragon Mountains. There were those from time to time who claimed to have caught a glimpse of a dragon but everyone knew that was as ridiculous as believing in real mages.Then a young man from the folk who live on the edge of the Kingdom in the hills at the feet of the ancient mountain finds that legends are coming to life. In a day he sees his first dragon, finds his home and family destroyed, sets out on a journey and is attacked by a dragon. Then he is bonded by another dragon and he finds that wondrous gifts are bestowed on him.In his journey he befriends other orphans and he is being followed by orphaned baby dragons and they begin to bond his new friends to save their lives. Each dragon bestows a special skill, magic, tracking, warrior, leader and more. Soon each orphan has a special skill. As their journey continues, their opponents mount and the odds of success seem to dwindle. And then new allies step out of legend……Show less

    

    The 1980s were certainly loud, often garish and utterly fabulous - no matter how embarrassing the outfits were.There are so many elements, which made the 80s a truly great decade, but one of the greatest contributions, if not the greatest, is the mass introduction of affordable 8-bit home micro computers.These curious machines of geekdom changed the way we regarded computers and technology. No longer were they the sole perverse of tweed jacket clad scientists sporting unruly beards, micro computers were now forming a staple inventory in millions of homes.Much of the technology that we enjoy today, such as desktop computers, notebooks, tablets, gaming consoles and smart phones, all of which are often taken for granted, can be traced back to this innovative decade.If you were a child of the 80s and remember the joy of receiving your very first home computer or maybe a young adult who fondly remembers the excitement, then you will appreciate this unabashed reminiscence of a simpler time whose adolescent technological was on the cusp of great advancements.This book is intended as celebration and reflection of all the computer technology that made the 80s such a wonderful, pioneering period and follows the journey of a self confessed, teenaged computer geek who experienced and enjoyed every ground breaking moment, including publishing his own software.10 Print “The 80s are fab!”20 Goto 10RunAuthor's Comments:The current edition is dated 31st January 2016 and has been edited based on customer feedback.

    There has been a marked increase in the adoption of PHP, most notably in the beginning to intermediate levels. PHP now boasts over 30% of the server side scripting market (Source: php.weblogs.com).The previous edition sold over 17,000 copies exclusively through Sitepoint.com alone. With the release of PHP 5, SitePoint have updated this bestseller to reflect best practice web development using PHP 5 and MySQL 4.The 3rd Edition includes more code examples and also a new bonus chapter on structured PHP Programming which introduces techniques for organizing real world PHP applications to avoid code duplication and ensure code is manageable and maintainable. The chapter introduces features like include files, user-defined function libraries and constants, which are combined to produce a fully functional access control system suitable for use on any PHP Website.

    

    

    individual whose contributions to the scientific, business and cultural realms are extensive."—BookpageBefore slim laptops that fit into briefcases, computers looked like strange, alien vending machines. But in "the most staggering burst of technical invention by a single person in high-tech history" (BusinessWeek​) Steve Wozniak invented the first true personal computer. Wozniak teamed up with Steve Jobs, and Apple Computer was born, igniting the computer revolution and transforming the world. Here, thirty years later, the mischievous genius with the low profile treats readers to a rollicking, no-holds-barred account of his life—for once, in the voice of the wizard himself.

    

    While nursing their wounds in Ibiza, they accidentally run into an eccentric character who tells them about a brand-new idea: cryptocurrency. Immersing themselves in what is then an obscure and sometimes sinister world, they begin to realize “crypto” is, in their own words, "either the next big thing or total bulls--t." There’s nothing left to do but make a bet.From the Silk Road to the halls of the Securities and Exchange Commission, Bitcoin Billionaires will take us on a wild and surprising ride while illuminating a tantalizing economic future. On November 26, 2017, the Winklevoss brothers became the first bitcoin billionaires. Here’s the story of how they got there—as only Ben Mezrich could tell it.

    The text converts all programming code into the C++ language.

    From Mary, Queen of Scots, trapped by her own code, to the Navajo Code Talkers who helped the Allies win World War II, to the incredible (and incredibly simple) logisitical breakthrough that made Internet commerce secure, The Code Book tells the story of the most powerful intellectual weapon ever known: secrecy.Throughout the text are clear technical and mathematical explanations, and portraits of the remarkable personalities who wrote and broke the world’s most difficult codes. Accessible, compelling, and remarkably far-reaching, this book will forever alter your view of history and what drives it. It will also make you wonder how private that e-mail you just sent really is.

    Everybody wants to learn them. You're not a programmer though. How is a non technical user going to learn how to program? You do want to use macros to make your work easier but are you really going to sit down with a huge programming textbook and work your way through every. single. boring. page? Like most people, you'll start with great enthusiasm and vigor but after a few chapters, the novelty wears off. It gets boring. I'm going to try and change that and make learning macro programming entertaining and accessible to non-techies. First of all, programming Excel macros is a huge topic. Let's eat the elephant one bite at a time. Instead of sitting down with a dry, heavy text, you will read very focused, to the point topics. You can then immediately use what you learned in the real world. This is the first lesson in the series. You will learn what macros are, how to access them, a tiny bit of programming theory (just so you have a clue as to what's going on) and how to record macros. As with all my other lessons, this one has a follow along workbook that you can use to work through the exercises. The images in the lessons are based on Excel 2013 for Windows.