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Get the most out of the Elastic Stack for various complex analytics
using this comprehensive and practical guide About This Book * Your
one-stop solution to perform advanced analytics with Elasticsearch,
Logstash, and Kibana * Learn how to make better sense of your data
by searching, analyzing, and logging data in a systematic way *
This highly practical guide takes you through an advanced
implementation on the ELK stack in your enterprise environment Who
This Book Is For This book cater to developers using the Elastic
stack in their day-to-day work who are familiar with the basics of
Elasticsearch, Logstash, and Kibana, and now want to become an
expert at using the Elastic stack for data analytics. What You Will
Learn * Build a pipeline with help of Logstash and Beats to
visualize Elasticsearch data in Kibana * Use Beats to ship any type
of data to the Elastic stack * Understand Elasticsearch APIs,
modules, and other advanced concepts * Explore Logstash and it's
plugins * Discover how to utilize the new Kibana UI for advanced
analytics * See how to work with the Elastic Stack using other
advanced configurations * Customize the Elastic Stack and plugin
development for each of the component * Work with the Elastic Stack
in a production environment * Explore the various components of
X-Pack in detail. In Detail Even structured data is useless if it
can't help you to take strategic decisions and improve existing
system. If you love to play with data, or your job requires you to
process custom log formats, design a scalable analysis system, and
manage logs to do real-time data analysis, this book is your
one-stop solution. By combining the massively popular
Elasticsearch, Logstash, Beats, and Kibana, elastic.co has advanced
the end-to-end stack that delivers actionable insights in real time
from almost any type of structured or unstructured data source. If
your job requires you to process custom log formats, design a
scalable analysis system, explore a variety of data, and manage
logs, this book is your one-stop solution. You will learn how to
create real-time dashboards and how to manage the life cycle of
logs in detail through real-life scenarios. This book brushes up
your basic knowledge on implementing the Elastic Stack and then
dives deeper into complex and advanced implementations of the
Elastic Stack. We'll help you to solve data analytics challenges
using the Elastic Stack and provide practical steps on centralized
logging and real-time analytics with the Elastic Stack in
production. You will get to grip with advanced techniques for log
analysis and visualization. Newly announced features such as Beats
and X-Pack are also covered in detail with examples. Toward the
end, you will see how to use the Elastic stack for real-world case
studies and we'll show you some best practices and troubleshooting
techniques for the Elastic Stack. Style and approach This practical
guide shows you how to perform advanced analytics with the Elastic
stack through real-world use cases. It includes common and some not
so common scenarios to use the Elastic stack for data analysis.
Learn JavaScript test-driven development using popular frameworks
and tools About This Book * Learn the life cycle of TDD and its
importance in real-world application * Gain knowledge about popular
tools and analyze features, syntax, and how they help in JavaScript
testing * Implement test-driven programming exercises using the
practical code examples Who This Book Is For If you have an
intermediate knowledge of HTML, CSS, and JavaScript and want to
learn how and why the test-driven development approach is better
for your assignments, then this book is for you. What You Will
Learn * Basic TDD fundamentals, life cycle, and benefits * Become
acquainted with the concepts and elements of unit testing and
writing basic unit tests for JavaScript * Understand the way
JsUnit, Qunit, Karma and DalekJs work * Use the Jasmine framework *
Interpret feature detection and devise tests specific to
cross-browser compatibility * Integrate jsTestDriver with Eclipse
and run tests with jsTestDriver * Explore re-factoring, adding and
notifying observers * Understand test-driven development in case of
server-side JS In Detail Initially, all processing used to happen
on the server-side and simple output was the response to web
browsers. Nowadays, there are so many JavaScript frameworks and
libraries created that help readers to create charts, animations,
simulations, and so on. By the time a project finishes or reaches a
stable state, so much JavaScript code has already been written that
changing and maintaining it further is tedious. Here comes the
importance of automated testing and more specifically, developing
all that code in a test-driven environment. Test-driven development
is a methodology that makes testing the central part of the design
process - before writing code developers decide upon the conditions
that code must meet to pass a test. The end goal is to help the
readers understand the importance and process of using TDD as a
part of development. This book starts with the details about
test-driven development, its importance, need, and benefits. Later
the book introduces popular tools and frameworks like YUI, Karma,
QUnit, DalekJS, JsUnit and goes on to utilize Jasmine, Mocha, Karma
for advanced concepts like feature detection, server-side testing,
and patterns. We are going to understand, write, and run tests, and
further debug our programs. The book concludes with best practices
in JavaScript testing. By the end of the book, the readers will
know why they should test, how to do it most efficiently, and will
have a number of versatile tests (and methods for devising new
tests) to get to work immediately. Style and approach
Easy-to-follow guide with suitable examples for developing
JavaScript code in the test-Driven environment, with popular tools
and frameworks. User experience and statements are also included to
help readers make a better choice of tool for real-world projects.
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