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Write DAX


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Active learning lessons for mastering DAX  Data analysis expressions (DAX) is the formula language of PowerPivot and this book is written to give hands-on practice to anyone who wants to become competent at writing such formulas. Sample exercises that explain each concept are provided and followed by practice questions and answers to maximize learning and experience with DAX.


Data analysis expressions (DAX) is the formula language of PowerPivot and this book is written to give hands-on practice to anyone who wants to become competent at writing such formulas. Sample exercises that explain each concept are provided and followed by practice questions and answers to maximize learning and experience with DAX.

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CouchDB Tutorial


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This tutorial provides a brief knowledge about CouchDB, the procedures to set it up, and the ways to interact with CouchDB server using cURL and Futon. It also tells how to create, update and delete databases and documents.

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Becoming an Advanced Report Studio Developer


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if you are a beginning through intermediate level developer in Report Studio, read on   Moving to advanced levels of any technology takes time and experience.  It takes much learning by trial end error and frustration, only occasionally  seeing examples and other types of "street learning" that is hard to come by.    This booklet helps you skip much of that slow, frustrating learning and moves you towards the advanced levels of Report Studio faster.    In this booklet you will find:    Report construction techniques and solutions to tricky problems  One capability in Report Studio to avoid whenever possible  Techniques for troubleshooting reports that speed your development  How to break down requirements before beginning report construction  Some simple best practices improving report maintainability  A crucial set of functions you must master   Reading this booklet will not teach you how to use the basic parts of Report Studio like drag & drop, adding prompts etc. Instead, it will show you techniques, thinking and skills you need in the practice of building reports with Report Studio.It help you avoid the big mistakes and save redo's embarrassment, performance issues and more.    This concise booklet is written by an experienced Cognos trainer and developer. He shares his explanations honed by teaching over 2,000 people how to use Report Studio (both for Cognos and elsewhere) and and his 9 years of hands-on development experience using Report Studio and other Cognos tools.   This booklet has been updated and validated against Cognos 10.2.    This booklet will return many times its price in long term value to your career.


if you are a beginning through intermediate level developer in Report Studio, read on
  • Moving to advanced levels of any technology takes time and experience. 
  • It takes much learning by trial end error and frustration, only occasionally 
  • seeing examples and other types of "street learning" that is hard to come by.

This booklet helps you skip much of that slow, frustrating learning and moves you towards the advanced levels of Report Studio faster.

In this booklet you will find:

  • Report construction techniques and solutions to tricky problems
  • One capability in Report Studio to avoid whenever possible
  • Techniques for troubleshooting reports that speed your development
  • How to break down requirements before beginning report construction
  • Some simple best practices improving report maintainability
  • A crucial set of functions you must master

Reading this booklet will not teach you how to use the basic parts of Report Studio like drag & drop, adding prompts etc. Instead, it will show you techniques, thinking and skills you need in the practice of building reports with Report Studio.It help you avoid the big mistakes and save redo's embarrassment, performance issues and more.


This concise booklet is written by an experienced Cognos trainer and developer. He shares his explanations honed by teaching over 2,000 people how to use Report Studio (both for Cognos and elsewhere) and and his 9 years of hands-on development experience using Report Studio and other Cognos tools.

This booklet has been updated and validated against Cognos 10.2.

This booklet will return many times its price in long term value to your career.

Learn Advanced Report Studio Developer

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[Apps] Learn Cassandra


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Learn Cassandra

Learn Cassandra


Product description
This tutorial will be extremely useful for software professionals in particular who aspire to learn the ropes of Cassandra and implement it in practice.
Cassandra is a distributed database from Apache that is highly scalable and designed to manage very large amounts of structured data. It provides high availability with no single point of failure.
The tutorial starts off with a basic introduction of Cassandra followed by its architecture, installation, and important classes and interfaces. Thereafter, it proceeds to cover how to perform operations such as create, alter, update, and delete on keyspaces, tables, and indexes using CQLSH as well as Java API. The tutorial also has dedicated chapters to explain the data types and collections available in CQL and how to make use of user-defined data types.

Learn Cassandra App
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Learn Big Data


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Learn Big Data

 Learn Big Data

Big data is data sets that are so voluminous and complex that traditional data-processingapplication software are inadequate to deal with them. Big data challenges include capturing data, data storage, data analysis, search, sharing, transfer, visualization, querying, updating, information privacy and data source. There are a number of concepts associated with big data: originally there were 3 concepts volume, variety, velocity. Other concepts later attributed with big data are veracity (i.e., how much noise is in the data)  and value.

Lately, the term "big data" tends to refer to the use of predictive analytics, user behavior analytics, or certain other advanced data analytics methods that extract value from data, and seldom to a particular size of data set. "There is little doubt that the quantities of data now available are indeed large, but that’s not the most relevant characteristic of this new data ecosystem." Analysis of data sets can find new correlations to "spot business trends, prevent diseases, combat crime and so on." Scientists, business executives, practitioners of medicine, advertising and governmentsalike regularly meet difficulties with large data-sets in areas including Internet search, fintech, urban informatics, and business informatics. Scientists encounter limitations in e-Science work, including meteorology, genomics, connectomics, complex physics simulations, biology and environmental research.

Learn Big Data

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[Apps] Learn Avro


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[Apps] Learn Avro


This tutorial is prepared for professionals aspiring to learn the basics of Big Data Analytics using Hadoop Framework and become a successful Hadoop developer.It will be a handy resource for enthusiasts who want to use Avro for data serialization and deserialization.Apache Avro is a language-neutral data serialization system, developed by Doug Cutting,the father of Hadoop. This is a brief tutorial that provides an overview of how to set up Avro and how to serialize and deserialize data using Avro





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[Apps] Learn Apache Tajo


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[Apps] Learn Apache Tajo


Product description

Learn Apache Tajo
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Apache Tajo is an open-source distributed data warehouse framework for Hadoop. Tajo was initially started by Gruter, a Hadoop-based infrastructure company in south Korea. Later, experts from Intel, Etsy, NASA, Cloudera, Hortonworks also contributed to the project. Tajo refers to an ostrich in Korean language. In the year March 2014, Tajo was granted a top-level open source Apache project. This tutorial will explore the basics of Tajo and moving on, it will explain cluster setup, Tajo shell, SQL queries, integration with other big data technologies and finally conclude with some examples.
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[Apps] Apache Storm Tutorial


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[Apps] Apache Storm Tutorial



Product description
Learn Apache Storm
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Storm was originally created by Nathan Marz and team at BackType. BackType is a social analytics company. Later, Storm was acquired and open-sourced by Twitter. In a short time, Apache Storm became a standard for distributed real-time processing system that allows you to process large amount of data, similar to Hadoop. Apache Storm is written in Java and Clojure. It is continuing to be a leader in real-time analytics. This tutorial will explore the principles of Apache Storm, distributed messaging, installation, creating Storm topologies and deploy them to a Storm cluster, workflow of Trident, real-time applications and finally concludes with some useful examples.



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* Features:
# Quick and Easy Navigation
# Very simple User Interface
# One click share for your friend
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[Apps] Learn Apache Spark


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[Apps] Learn Apache Spark

Product description
Apache Spark is a lightning-fast cluster computing designed for fast computation. It was built on top of Hadoop MapReduce and it extends the MapReduce model to efficiently use more types of computations which includes Interactive Queries and Stream Processing. This is a brief tutorial that explains the basics of Spark Core programming.
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[Apps] Apache Solr Tutorial


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[Apps] Apache Solr Tutorial



Product description
Learn Apache Solr
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Solr is a scalable, ready to deploy, search/storage engine optimized to search large volumes of text-centric data. Solr is enterprise-ready, fast and highly scalable. In this tutorial, we are going to learn the basics of Solr and how you can use it in practice.



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* Features:
# Quick and Easy Navigation
# Very simple User Interface
# One click share for your friend
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[Apps] Apache Pig Tutorial


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[Apps] Apache Pig Tutorial

Product description
Learn Apache Pig
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Apache Pig is an abstraction over MapReduce. It is a tool/platform which is used to analyze larger sets of data representing them as data flows. Pig is generally used with Hadoop; we can perform all the data manipulation operations in Hadoop using Pig.



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* Features:
# Quick and Easy Navigation
# Very simple User Interface
# One click share for your friend
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[Apps] Apache Kafka Tutorial


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[Apps] Apache Kafka Tutorial



Product description
Learn Apache Kafka
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Apache Kafka was originated at LinkedIn and later became an open sourced Apache project in 2011, then First-class Apache project in 2012. Kafka is written in Scala and Java. Apache Kafka is publish-subscribe based fault tolerant messaging system. It is fast, scalable and distributed by design.

This tutorial will explore the principles of Kafka, installation, operations and then it will walk you through with the deployment of Kafka cluster. Finally, we will conclude with real-time applica-tions and integration with Big Data Technologies.



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* Features:
# Quick and Easy Navigation
# Very simple User Interface
# One click share for your friend
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