Böcker utgivna av O'Reilly Media

In this book you'll create your own fabric inventions as you learn to make wearables, playthings, and decorative items using textile arts--both old and new. Easy projects using will get you started knitting, adding color to your wardrobe with silkscreen and batik, and transforming old clothing into useful items.

In this Issue we explore DIY space. Hear from "The Martian" author Andy Weir, in conversation with Adam Savage. Also learn how to hunt killer asteroids and perfect your star photography.

Whether you have some experience with Tableau software or are just getting started, this manual goes beyond the basics to help you build compelling, interactive data visualization applications. Author Ryan Sleeper, one of the worlds most qualified Tableau consultants, complements his web posts and instructional videos with this guide to give you a firm understanding of how to use Tableau to find valuable insights in data.Over five sections, Sleeperrecognized as a Tableau Zen Master, Tableau Public Visualization of the Year author, and Tableau Iron Viz Championprovides visualization tips, tutorials, and strategies to help you avoid the pitfalls and take your Tableau knowledge to the next level.Practical Tableau sections include:Fundamentals: get started with Tableau from the beginningChart types: use step-by-step tutorials to build a variety of charts in TableauTips and tricks: learn innovative uses of parameters, color theory, how to make your Tableau workbooks run efficiently, and moreFramework: explore the INSIGHT framework, a proprietary process for building Tableau dashboardsStorytelling: learn tangible tactics for storytelling with data, including specific and actionable tips you can implement immediately

This book teaches the basics of building sensors and communicating objects through a series of practical, demonstrative, and fun activities.

How can you grow and maintain a reliable, flexible, and cost-efficient network in the face of ever-increasing demands? With this practical guide, network engineers will learn how to program Juniper network devices to perform day-to-day tasks, using the automation features of the Junos OS.Junos supports several automation tools that provide powerful solutions to common network automation tasks. Authors Jonathan Looney and Stacy Smith, senior testing engineers at Juniper, will help you determine which tools work best for your particular network requirements. If you have experience with Junos, this book will show you how automation can make a big difference in the operation of your existing network.Manage Junos software with remote procedure calls and a RESTful APIRepresent devices as Python objects and manage them with Pythons PyEZ packageCustomize Junos software to detect and block commits that violate your network standardsDevelop custom CLI commands to present information the way you wantProgram Junos software to automatically respond to network eventsRapidly deploy new Junos devices into your network with ZTP and Netconify toolsLearn how to use Ansible or Puppet to manage Junos software

Writing code is the easy part of your work as a software developer. This practical book lets you explore the other 90%-everything from requirements discovery and rapid prototyping to business analysis and designing for maintainability.

Agile continues to be the most adopted software development methodology among organizations worldwide, but it generally hasn't integrated well with traditional security management techniques. And most security professionals arent up to speed in their understanding and experience of agile development. To help bridge the divide between these two worlds, this practical guide introduces several security tools and techniques adapted specifically to integrate with agile development.Written by security experts and agile veterans, this book begins by introducing security principles to agile practitioners, and agile principles to security practitioners. The authors also reveal problems they encountered in their own experiences with agile security, and how they worked to solve them.Youll learn how to:Add security practices to each stage of your existing development lifecycleIntegrate security with planning, requirements, design, and at the code levelInclude security testing as part of your teams effort to deliver working software in each releaseImplement regulatory compliance in an agile or DevOps environmentBuild an effective security program through a culture of empathy, openness, transparency, and collaboration

Whether you want to create sidebars that remain in the viewport (browser window), add sticky section headings to lists or long articles, or overlap one element with another, this concise ebook will expertly guide you through all the main CSS positioning types

Create and publish your own interactive data visualization projects on the Web - even if you have little or no experience with data visualization or web development. It's easy and fun with this practical, hands-on introduction.

This concise little book puts all of the essential information about Bash right at your fingertips. Updated for Bash version 4.4, this pocket reference has the answers to these and other problems in a format that makes browsing quick and easy.

SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put that theory into practice. In this book, Chris Date explains relational theory in depth, and demonstrates through numerous examples and exercises how you can apply it to your use of SQL.

Scalable Vector Graphics (SVG) is an image format, so text isnt the first thing you might think of when considering its uses. But one of SVGs key features is its ability to encode text in a machine-readable form. This book takes a deep dive into the use of text within SVG to explore the creative possibilities as well as the potential pitfalls. Youll start with SVGs text basics, and then learn methods for using SVG to generate complex layouts.If youre an intermediate SVG developer familiar with CSS-styled HTML text, youre ready to get going. This book covers:The SVG text and tspan elements, and basic attributes for positioning simple text labels within a graphicSVGs fill and stroke properties for controlling texts visual appearanceComplex text layouts, using formatted poetry as examplesFeatures to set the position and orientation of individual text charactersMultidirectional text, including right-to-left horizontal text and vertical textCurved or complex text layouts with the textPath elementFont options for your SVG, including web fonts, and their impact on text layout

Leading a fast-growing team is a uniquely challenging experience. Startups with a hot product often double or triple in size quicklya recipe for chaos if company leaders arent prepared for the pitfalls of hyper-growth. If youre leading a startup or a new team between 10 and 150 people, this guide provides a practical approach to managing your way through these challenges.Each section covers essential strategies and tactics for managing growth, starting with a single team and exploring typical scaling points as the team grows in size and complexity. The book also provides many examples and lessons learned, based on the authors experience and interviews with industry leaders.Learn how to make the most of:Hiring: Learn a scalable hiring process for growing your teamPeople management: Use 1-on-1 mentorship, dispute resolution, and other techniques to ensure your team is happy and productiveOrganization: Motivate employees by applying five organizational design principlesCulture: Build a culture that can evolve as you grow, while remaining connected to the teams core valuesCommunication: Ensure that important informationand only the important stuffgets through

Many big data-driven companies today are moving to protect certain types of data against intrusion, leaks, or unauthorized eyes. But how do you lock down data while granting access to people who need to see it? In this practical book, authors Ted Dunning and Ellen Friedman offer two novel and practical solutions that you can implement right away.Ideal for both technical and non-technical decision makers, group leaders, developers, and data scientists, this book shows you how to:Share original data in a controlled way so that different groups within your organization only see part of the whole. Youll learn how to do this with the new open source SQL query engine Apache Drill.Provide synthetic data that emulates the behavior of sensitive data. This approach enables external advisors to work with you on projects involving data that you can't show them.If youre intrigued by the synthetic data solution, explore the log-synth program that Ted Dunning developed as open source code (available on GitHub), along with how-to instructions and tips for best practice. Youll also get a collection of use cases.Providing lock-down security while safely sharing data is a significant challenge for a growing number of organizations. With this book, youll discover new options to share data safely without sacrificing security.

Apache Spark is amazing when everything clicks. But if you havent seen the performance improvements you expected, or still dont feel confident enough to use Spark in production, this practical book is for you. Authors Holden Karau and Rachel Warren demonstrate performance optimizations to help your Spark queries run faster and handle larger data sizes, while using fewer resources.Ideal for software engineers, data engineers, developers, and system administrators working with large-scale data applications, this book describes techniques that can reduce data infrastructure costs and developer hours. Not only will you gain a more comprehensive understanding of Spark, youll also learn how to make it sing.With this book, youll explore:How Spark SQLs new interfaces improve performance over SQLs RDD data structureThe choice between data joins in Core Spark and Spark SQLTechniques for getting the most out of standard RDD transformationsHow to work around performance issues in Sparks key/value pair paradigmWriting high-performance Spark code without Scala or the JVMHow to test for functionality and performance when applying suggested improvementsUsing Spark MLlib and Spark ML machine learning librariesSparks Streaming components and external community packages

If you understand basic mathematics and know how to program with Python, youre ready to dive into signal processing. While most resources start with theory to teach this complex subject, this practical book introduces techniques by showing you how theyre applied in the real world. In the first chapter alone, youll be able to decompose a sound into its harmonics, modify the harmonics, and generate new sounds.Author Allen Downey explains techniques such as spectral decomposition, filtering, convolution, and the Fast Fourier Transform. This book also provides exercises and code examples to help you understand the material.Youll explore:Periodic signals and their spectrumsHarmonic structure of simple waveformsChirps and other sounds whose spectrum changes over timeNoise signals and natural sources of noiseThe autocorrelation function for estimating pitchThe discrete cosine transform (DCT) for compressionThe Fast Fourier Transform for spectral analysisRelating operations in time to filters in the frequency domainLinear time-invariant (LTI) system theoryAmplitude modulation (AM) used in radioOther books in this series include Think Stats and Think Bayes, also by Allen Downey.

In todays app-driven era, when programs are asynchronous and responsiveness is so vital, reactive programming can help you write code thats more reliable, easier to scale, and better-performing. With this practical book, Java developers will first learn how to view problems in the reactive way, and then build programs that leverage the best features of this exciting new programming paradigm.Authors Tomasz Nurkiewicz and Ben Christensen include concrete examples that use the RxJava library to solve real-world performance issues on Android devices as well as the server. Youll learn how RxJava leverages parallelism and concurrency to help you solve todays problems. This book also provides a preview of the upcoming 2.0 release.Write programs that react to multiple asynchronous sources of input without descending into "e;callback hell"e;Get to that aha! moment when you understand how to solve problems in the reactive wayCope with Observables that produce data too quickly to be consumedExplore strategies to debug and to test programs written in the reactive styleEfficiently exploit parallelism and concurrency in your programsLearn about the transition to RxJava version 2

This book has something for everyone, from a marble maze to a talking booby trap; from custom cookie cutters to an "EZ Make" oven. Discover the basic principles of science, electronics, and engineering through hands-on projects that range from easy to more challenging... and are always fun!

The Maker City Playbook is a comprehensive case studies and how-to information useful for city leaders, civic innovators, nonprofits, and others engaged in urban economic development. Maker City Project is a collaboration between the Kauffman Foundation, the Gray Area for the Arts, and Maker Media.

This hands-on guide shows you how to create, test, compile, and deploy microservices, using the ASP.NET Core free and open-source framework. Along the way, you'll pick up good, practical habits for building powerful and robust services.

Just like vinyl LPs, static sites are making a comeback, evidenced by the wide array of static-site generators now available. This practical book shows you hands-on how to build these simple sites for blogs and other use cases, and how to make them more powerful. In the process, youll work with some of todays more mature and popular static-site generators.Authors Raymond Camden and Brian Rinaldi explain the advantages of using static-site generators for building fast and secure sites. Web and frontend designers and developers will also explore methods for adding dynamic elements and for migrating an existing CMS to a static site.Build a basic four-page static site with the Harp generatorCreate a simple blog with JekyllDevelop a documentation site with Hugo by generating site files and creating the layoutAdd dynamic elements, such as forms, comments, and searchIntegrate a CMS with tools such as CloudCannon and Netlify CMSUse one of several options to deploy your static filesLearn methods for moving an existing CMS to a static site

By taking you through the development of a real web application from beginning to end, the second edition of this hands-on guide demonstrates the practical advantages of test-driven development (TDD) with Python.

If youre among the many hobbyists and designers who came to electronics through Arduino and Raspberry Pi, this cookbook will help you learn and apply the basics of electrical engineering without the need for an EE degree. Through a series of practical recipes, youll learn how to solve specific problems while diving into as much or as little theory as youre comfortable with.Author Simon Monk (Raspberry Pi Cookbook) breaks down this complex subject into several topics, from using the right transistor to building and testing projects and prototypes. With this book, you can quickly search electronics topics and go straight to the recipe you need. It also serves as an ideal reference for experienced electronics makers.This cookbook includes:Theoretical concepts such as Ohms law and the relationship between power, voltage, and currentThe fundamental use of resistors, capacitors and inductors, diodes, transistors and integrated circuits, and switches and relaysRecipes on power, sensors and motors, integrated circuits, and radio frequency for designing electronic circuits and devicesAdvice on using Arduino and Raspberry Pi in electronics projectsHow to build and use tools, including multimeters, oscilloscopes, simulations software, and unsoldered prototypes

SVG is extremely powerful, with its reduced HTTP requests and crispness on any display. It becomes increasingly more interesting as you explore its capabilities for responsive animation and performance boons. When you animate SVG, you must be aware of normal image traits like composition, color, implementation, and optimization. But when you animate, it increases the complexity of each of these factors exponentially.This practical book takes a deep dive into how you can to solve these problems with stability, performance, and creativity in mind.Learn how to make SVG cross-browser compatible, backwards compatible, optimized, and responsivePlan and debug animationMake a complex animation responsive, as many sites are responsiveProfile each animation technique in terms of performance so that you know what you're getting in to with each library or native technology

Jump in and build working Android apps using hundreds of practical recipes in the Android Cookbook. You'll get solutions for working with the user interface, location-aware apps, web services, device features such as the camera and accelerometer, and a lot more, including steps to package your app for sale in the Android Market.

This O'Reilly report explains the capabilities of cloud-native platforms and examines the fundamental changes enterprises need to make in process, organization, and culture if they're to take real advantage of this approach.

This hands-on guide teaches you how to use H20 with only minimal math and theory behind the learning algorithms.

This concise guide takes you on a deep dive into the concepts necessary for understanding CSS and tables in your web layout, including table formatting, cell alignment, and table width.

This handy pocket reference offers brief yet clear explanations of Ruby's core components, from operators to reserved words to data structures to method syntax, highlighting those key features that you'll likely use every day when coding Ruby.

This practical guide shows you how to write concise and highly readable tests with Spock, the most innovative testing and specification framework for the JVM since JUnit. Author Rob Fletcher takes you from Spock basics to advanced topics, using fully worked integration examples.