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Bitcoin is starting to come into its own as a digital currency, but the blockchain technology behind it could prove to be much more significant. This book takes you beyond the currency ("Blockchain 1.0") and smart contracts ("Blockchain 2.0") to demonstrate how the blockchain is in position to become the fifth disruptive computing paradigm after mainframes, PCs, the Internet, and mobile/social networking.Author Melanie Swan, Founder of the Institute for Blockchain Studies, explains that the blockchain is essentially a public ledger with potential as a worldwide, decentralized record for the registration, inventory, and transfer of all assets-not just finances, but property and intangible assets such as votes, software, health data...

grep Pocket Reference is the first guide devoted to grep, the powerful Unix content-location utility. This handy book is ideal for system administrators, security professionals, developers, and others who want to learn more about grep and take new approaches with it -- for everything from mail filtering and system log management to malware analysis. With grep Pocket Reference, you will:Learn methods for filtering large files for specific contentAcquire information not included in the current grep documentationGet several tricks for using variants such as egrepKeep key information about grep right at your fingertipsFind the answers you need about grep quickly and easily. If you're familiar with this utility, grep Pocket Reference will help you refresh...

Apache Spark is emerging as one of the most popular technologies for performing analytics on huge datasets, and this practical guide shows you how to harness Spark';s power for approaching a variety of analytics problems. You';ll learn how to apply common techniques, such as classification, clustering, collaborative filtering, anomaly detection, dimensionality reduction, and Monte Carlo simulation to fields such as genomics, security, and finance.Advanced Analytics with Spark supplies complete implementations that analyze large public datasets, and acts as an introduction to using these techniques and other best practices in Spark programming.Become familiar with the Spark programming model and ecosystemLearn general approaches in data scienceDiscove...

As one of the applications in Microsoft Office, Word is the dominant word-processing program for both Windows and Mac users. Millions of people around the globe use it. But many, if not most, of them barely skim the surface of what is possible with Microsoft Word. Seduced by the application's supposed simplicity, they settle for just what's obvious--even if it doesn't satisfy their wants and needs. They may curse the wretched Bullets and Numbering buttons multiple times a day or take hours to change the font size of every heading in a lengthy report, yet they're reluctant to dig deeper to take advantage of Word's immense capabilities and limitless customization tools.Let Word Hacks be your shovel. Let it carve your way into Word and make this most po...