Effective Monitoring and AlertingWith this practical book, you'll discover how to catch complications in your distributed system before they develop into costly problems. Based on his extensive experience in systems ops at large technology companies, author Slawek Ligus describes an effective data-driven approach for monitoring and alerting that enables you to maintain high availability and deliver a high quality of service.
Learn methods for measuring state changes and data flow in your system, and set up alerts to help you recover quickly from problems when they do arise. If you're a system operator waging the daily battle to provide the best performance at the lowest cost, this book is for you. ...
Java Network Programming, 4th EditionThis practical guide provides a complete introduction to developing network programs with Java. You'll learn how to use Java's network class library to quickly and easily accomplish common networking tasks such as writing multithreaded servers, encrypting communications, broadcasting to the local network, and posting data to server-side programs.
Author Elliotte Rusty Harold provides complete working programs to illustrate the methods and classes he describes. This thoroughly revised fourth edition covers REST, SPDY, asynchronous I/O, and many other recent technologies. ...
Programming iOS 7, 4th EditionIf you're grounded in the basics of Objective-C and Xcode, this practical guide takes you through the components you need for building your own iOS apps. With examples from real apps and programming situations, you'll learn how to create views, manipulate view controllers, and use iOS frameworks for adding features such as audio and video.
New iOS 7 topics covered include asset catalogs, snapshots, template images, keyframe and spring view animation, motion effects, tint color, fullscreen views and bar underlapping, background downloading and app refresh, Text Kit, Dynamic Type, speech synthesis, and many others. Example projects are available on GitHub. ...
Learning jQuery DeferredsOrchestrating asynchronous function calls in JavaScript often leads to callback hell, but there is a reliable way to avoid this painful state of affairs. With this concise and simple guide, you'll learn how to use jQuery deferreds and promises, an elegant approach for managing asynchronous calls in both client and server applications.
This book contains 18 examples that use deferreds to solve progressively challenging real-world programming problems, along with 75 stimulating puzzles (and their solutions) that will help you understand how and when to use deferreds. You'll learn new tricks in a fun way, and become immersed in the practice of event-based programming. ...
Instant Mock Testing with PowerMockWriting good unit tests can be hard in situations where we have to deal with static, final, or private methods. Sometimes, even a good design is sacrificed for the sake of testability. A mocking framework's ability to create mocks for almost any scenario enables us to focus on accurately programming for a business environment.
Starting with a basic example of how to create a mock and verify a method invocation Instant Testing with PowerMock then demonstrates various features of PowerMock using clear, practical, step-by-step recipes. By the end of this book, you will be able to write unit tests for almost any scenario and suppress unwanted behaviour to effectively unit test your code. ...
Open Source Identity Management Patterns and Practices Using OpenAM 10.xOpenAM is a web-based open source application that provides authentication, authorization, entitlement and federation services. OpenAM provides core identity services to simplify the implementation of transparent single sign-on (SSO) as a security component in a network infrastructure. It also provides the foundation for integrating diverse web applications that might typically operate against a disparate set of identity repositories and that are hosted on a variety of platforms such as web application servers.
Open Source Identity Management Patterns and Practices Using OpenAM 10.x is a condensed, practical guide on installing OpenAM to protect your web applications. This book will teach you how to integrate to different identity sources such as Active Directory or Facebook using two-factor authentications. ...
Chef Infrastructure Automation CookbookIrrespective of whether you're a systems administrator or a developer, if you're sick and tired of repetitive manual work and not knowing whether you may dare to reboot your server, it's time for you to get your infrastructure automated.
Chef Infrastructure Automation Cookbook has all the required recipes to configure, deploy, and scale your servers and applications, irrespective of whether you manage 5 servers, 5,000 servers, or 500,000 servers.
Chef Infrastructure Automation Cookbook is a collection of easy-to-follow, step-by-step recipes showing you how to solve real-world automation challenges. Learn techniques from the pros and make sure you get your infrastructure automation project right the first time. ...
Backbone.js TestingFrontend web applications are soaring in popularity and the Backbone.js library is leading this charge with a modular, lightweight approach for organizing JavaScript web applications. At the same time, testing client-side JavaScript and Backbone.js programs remains a difficult and tedious undertaking.
Backbone.js Testing brings sensible practices and current techniques to the challenges of Backbone.js test development. The book introduces fundamental testing concepts, comprehensive test infrastructure design, and practical exercises to easily and systematically test modern JavaScript web applications. ...
Mobile First Design with HTML5 and CSS3The mobile first design philosophy aims to develop websites that will be lean and fast on small screens without sacrificing a tablet or desktop experience. Using HTML5, CSS3, and simple, standardized modern web tools you can make one site to rule them all.
Mobile First Design with HTML5 and CSS3 will teach you the tools you need to make a modern, standards-based web page that displays beautifully on nearly any web browser - essential knowledge for anyone who makes websites! ...
Data Manipulation with ROne of the most important aspects of computing with data is the ability to manipulate it to enable subsequent analysis and visualization. R offers a wide range of tools for this purpose. Data from any source, be it flat files or databases, can be loaded into R and this will allow you to manipulate data format into structures that support reproducible and convenient data analysis.
This practical, example-oriented guide aims to discuss the split-apply-combine strategy in data manipulation, which is a faster data manipulation approach. After reading this book, you will not only be able to efficiently manage and check the validity of your datasets with the split-apply-combine strategy, but you will also learn to handle larger datasets. ...