

Adsense Alternatives for Small Websites
Did your Google Adsense application got rejected? If the answer is yes, you are at right place. Well it's not the end of world and no...


Enable Root User on Mac
By default root user is disabled on Mac, you need to follow below steps in order to enable/disable or change password for root user on...


How to Install Apache HTTP Server on CentOS
yum install httpd Apache is most popular HTTP Server which runs on Linux & Windows based operating system. Let's see how to install and...


How to Pull Data from Oracle IDCS (Identity Cloud Services) Rest API
Oracle IDCS has various rest APIs that can be used to pull data and you can utilize it further for data analytics. Let's see how we can...


How to convert RDD to Dataframe?
Main menu: Spark Scala Tutorial There are basically three methods by which we can convert a RDD into Dataframe. I am using spark shell to...


How to pull data from OKTA API example
OKTA has various rest APIs (refer this) from where you can pull the data and play around according to your business requirement. As OKTA...


Spark RDD, Transformations and Actions example
Main menu: Spark Scala Tutorial In this Apache Spark RDD tutorial you will learn about, Spark RDD with example What is RDD in Spark?...


What's Artificial Intelligence, Machine Learning, Deep Learning, Predictive Analytics, Data Science?
Never thought I will spend so much time to understand these high profile terms. I was very confident that I knew theoretically everything...


Spark read Text file into Dataframe
Main menu: Spark Scala Tutorial In this Spark Scala tutorial you will learn how to read data from a text file & CSV to dataframe. This...


Analyzing Twitter Data - Twitter sentiment analysis using Spark streaming
Analyzing Twitter Data - Twitter sentiment analysis using Spark streaming. Twitter Spark Streaming - We will be analyzing Twitter data...


StreamingContext: Spark streaming word count example Scala
Main menu: Spark Scala Tutorial In this tutorial you will learn, How to stream data in real time using Spark streaming? Spark streaming...


Kibana GeoIP example: How to index geographical location of IP addresses into Elasticsearch
The relation between your IP address and geolocation is very simple. There are numerous websites available as of today like Maxmind,...


Loading JSON file using Spark (Scala)
Main menu: Spark Scala Tutorial In this Apache Spark Tutorial - We will be loading a simple JSON file. Now-a-days most of the time you...


Hello World Program Example in Scala with Eclipse IDE
Main menu: Spark Scala Tutorial In this Apache Spark Scala tutorial, you will learn how to create, "Hello World" Scala application with...


Scala IDE \.metadata\.log error fix (Mac)
Scala IDE is not compatible with Java SE 9 and higher versions. You might need to downgrade or install Java SE 8 in order to fix the...


Installing Apache Spark and Scala (Mac)
Main menu: Spark Scala Tutorial In this Spark Scala tutorial you will learn, How to install Apache Spark on Mac OS. By the end of this...


Installing Apache Spark and Scala (Windows)
Main menu: Spark Scala Tutorial In this Spark Scala tutorial you will learn how to download and install, Apache Spark (on Windows) Java...


Elasticsearch Tutorial - What is ELK stack (Elastic stack)
In this Elasticsearch tutorial, you will learn - What is ELK stack (Elastic stack)? We will go through ELK stack examples, load data into...


Kibana dashboard example
In this Kibana dashboard tutorial we will learn how to create Kibana dashboard. Before we start with sample Kibana dashboard example, I...


Loading CSV data into Elasticsearch with Logstash
Refer to my previous blogs (Linux | Mac users) to install the ELK stack on your machine. Once installation is done, there are couple of...