Programming Crystal

2019-01-30 Computers

Author : Ivo Balbaert
Release : 2019-01-30
Genre : Computers
Kind : eBook
Book Rating : 641/5 ( reviews)

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Book Synopsis Programming Crystal by : Ivo Balbaert

Download or read book Programming Crystal written by Ivo Balbaert. This book was released on 2019-01-30. Available in PDF, EPUB and Kindle. Book excerpt: Crystal is for Ruby programmers who want more performance, or for developers who enjoy working in a high-level scripting environment. Crystal combines native execution speed and concurrency with Ruby-like syntax, so you will feel right at home. This book, the first available on Crystal, shows you how to write applications that have the beauty and elegance of a modern language, combined with the power of types and modern concurrency tooling. Now you can write beautiful code that runs faster, scales better, and is a breeze to deploy. Crystal is elegant to read and easy to program like Ruby, allowing full object-oriented development. Its compiler is powerful enough to nearly always infer the type of your variables. So you get the benefits of a statically typed language: more robust code, safety and execution speed, while still reaching high productivity in development. Null pointer exceptions as in JavaScript, Java or C#, are a thing of the past: Crystal annihilates them, just like Rust. Explore the building blocks and design of the language, and how you can use the Crystal tool-chain to build and manage powerful applications. Harness the power of the macro system, as well as how to work with fibers and channels, making concurrency as easy as possible. Learn how to use the Kemal web framework and access databases, and how to tap the potential of existing Crystal libraries. Find the spot that Crystal fills in today's software world with real-world examples. With Crystal, you can combine the best of both worlds: the high-level coding of dynamic languages, and the safety and blazing performance of a natively compiled language. What You Need: To develop in Crystal, you only need Crystal v 0.26 the latest version, a common text editor and a browser.

Crystal Programming

2022-05-27 Computers

Author : George Dietrich
Release : 2022-05-27
Genre : Computers
Kind : eBook
Book Rating : 31X/5 ( reviews)

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Book Synopsis Crystal Programming by : George Dietrich

Download or read book Crystal Programming written by George Dietrich. This book was released on 2022-05-27. Available in PDF, EPUB and Kindle. Book excerpt: The ultimate guide to Crystal programming covering all its fundamental concepts such as OOP and concurrent programming to help you write readable and safe code and build fast applications Key Features • The book uses an example-based approach for a better demonstration of the underlying concepts • Develop a thorough appreciation of the roles of the macro API and annotations • Leverage supportive tools – spec, documentation, deployment, and automation Book Description Crystal is a programming language with a concise and user-friendly syntax, along with a seamless system and a performant core, reaching C-like speed. This book will help you gain a deep understanding of the fundamental concepts of Crystal and show you how to apply them to create various types of applications. This book comes packed with step-by-step explanations of essential concepts and practical examples. You'll learn how to use Crystal's features to create complex and organized projects relying on OOP and its most common design patterns. As you progress, you'll gain a solid understanding of both the basic and advanced features of Crystal. This will enable you to build any application, including command-line interface (CLI) programs and web applications using IOs, concurrency and C bindings, HTTP servers, and the JSON API. By the end of this programming book, you'll be equipped with the skills you need to use Crystal programming for building and understanding any application you come across. What you will learn • Explore how Crystal combines the merits of other languages • Understand how to leverage existing C libraries without writing any C • Focus on zero-cost abstractions with compile-time macros • Use an example-based approach to demonstrate language features • Develop a variety of Crystal applications, such as web and CLI apps • Gain an understanding of the macro API and annotations Who this book is for Developers who want to learn Crystal programming or anyone looking to improve their ability to solve real-world problems using the language will find this book helpful. Experience in application development using any other programming language is expected. However, prior knowledge of Crystal is not required.

Crystal Basics

2020-02-11 Body, Mind & Spirit

Author : Nicholas Pearson
Release : 2020-02-11
Genre : Body, Mind & Spirit
Kind : eBook
Book Rating : 358/5 ( reviews)

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Book Synopsis Crystal Basics by : Nicholas Pearson

Download or read book Crystal Basics written by Nicholas Pearson. This book was released on 2020-02-11. Available in PDF, EPUB and Kindle. Book excerpt: A full-color practical handbook of essential techniques with an in-depth directory of healing stones • Offers guidance on selecting your crystals and gemstones and step-by-step instructions on how to cleanse, charge, activate, and program them • Includes templates for crystal grids and healing layouts, recipes for crystal elixirs, and directions for crystal meditations and energy clearing with crystals • The full-color directory includes 200 different rocks, minerals, gemstones, and crystal formations, organized alphabetically and featuring the physical, psychological, and spiritual healing qualities for every stone In this in-depth yet easy-to-follow guide, crystal healing teacher Nicholas Pearson offers a full-color compendium of 200 crystals and gemstones as well as a hands-on practical handbook on crystal healing, perfect for those just beginning their crystal journey as well as long-time stone lovers seeking an all-in-one reference. The handbook of crystal use opens with a thorough explanation of crystal energy, including its interactions with the human energy field, and teaches readers how to extrapolate what a crystal does based on its composition, crystal structure, formation process, and other properties. In the chapters on techniques, Pearson offers guidance on selecting your crystals and gemstones, then step-by-step instructions on how to cleanse, charge, activate, and program them. He explains how to make crystal grids and healing layouts, including templates for both, and also discusses the numerology and geometry of crystal grids. He explores the essentials of crystal elixirs, complete with elixir recipes, and details how to perform crystal meditations, clear the energy centers and the aura, and practice more advanced techniques, such as engaging with the crystal devas, creating sacred space, and practices for spiritual hygiene and protection. The compendium includes 200 rocks, minerals, gemstones, and crystal formations, organized alphabetically and featuring full-color photographs. Each entry includes geological information and the physical, psychological, and spiritual healing qualities for every stone. Some stones, such as jasper and quartz, have multiple varieties, each given their own entries to provide a thorough reference guide for crystal healers and collectors. This accessible yet comprehensive guide offers the essentials of crystal energy healing paired with a highly illustrated stone directory to give you everything you need to know about crystal basics in one handy volume.

The Crystal Code

2018-10-30 Body, Mind & Spirit

Author : Tamara Driessen
Release : 2018-10-30
Genre : Body, Mind & Spirit
Kind : eBook
Book Rating : 217/5 ( reviews)

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Book Synopsis The Crystal Code by : Tamara Driessen

Download or read book The Crystal Code written by Tamara Driessen. This book was released on 2018-10-30. Available in PDF, EPUB and Kindle. Book excerpt: Learn how to destress, recharge, and heighten your intuition by harnessing the power of crystals in this indispensable modern guide to the basics of ancient, elemental self-care. Rose quartz, amethyst, tourmaline, and many other eye-catching crystals have captivated people for centuries—for healing, protection, or divination. Crystal healer Tamara Driessen sees these glittering stones as cosmic technology for navigating today’s hectic world, whether it’s boosting your confidence (Peacock Ore), conquering anxiety (Celestite), finding your center (Amethyst), or even getting over your ex (Kunzite). In The Crystal Code, she brings her insight and experience to help you harness the earth’s energy to manifest harmony, health, and connection with ourselves on a deeper level. With Driessen as your guide, you’ll learn about • Seventy empowering crystals (and where to find them) • Techniques to detox from social media and tune in to your body • Ways to activate your intentions with crystal grids • New and full moon rituals • Proper crystal care • And much more Loaded with vivid photographs, The Crystal Code also includes a comprehensive index to the colors and meanings of crystals. And Driessen’s mindful meditations and crystalized self-care rituals will help you follow your intuition, respect your body, and center your priorities. Whether you’re a modern mystic, a new collector, or just crystal curious, this stylish, down-to-earth book will help you unlock the powers of these mystical stones to quiet your mind, enliven your heart, and transform your life.

The Crystal Grid Handbook: Unlocking The Power Of Crystal Formations For Manifestation

2020-07-27 Body, Mind & Spirit

Author : Brian Smith
Release : 2020-07-27
Genre : Body, Mind & Spirit
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis The Crystal Grid Handbook: Unlocking The Power Of Crystal Formations For Manifestation by : Brian Smith

Download or read book The Crystal Grid Handbook: Unlocking The Power Of Crystal Formations For Manifestation written by Brian Smith. This book was released on 2020-07-27. Available in PDF, EPUB and Kindle. Book excerpt: Unlocking The Power Of Crystal Formations For Manifestation In this transformative book, readers are invited on a journey to unlock the incredible power of crystal formations for manifestation. The author delves into the world of crystals, combining ancient wisdom with modern insights to guide readers in harnessing their energy for manifestation purposes. Through a wealth of knowledge, practical exercises, and step-by-step guidance, readers learn how to work with different crystal formations, understanding their unique properties and how they align with specific intentions. From clusters to points, geodes to grids, the author illustrates how each formation can amplify and enhance intentions, allowing individuals to manifest their desires more effectively. Furthermore, the book explores the importance of setting intentions, embracing gratitude, and cultivating a strong energetic connection with crystals. Readers will discover how to cleanse and charge their crystals, create crystal elixirs, and use them in a variety of manifestation rituals and practices. Unlocking The Power Of Crystal Formations For Manifestation combines practicality and spirituality, offering a comprehensive guide to using crystal formations as powerful tools for personal transformation and manifestation. This book is a must-have for anyone seeking to harness the energies of crystals to manifest a more abundant and fulfilling life.

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