Scala Functions and Methods
Function is a block of executable code that returns a value . Function in scala can be defined inside another function .It can be returned as an output from another function.
Submit Apache Spark Job with REST API
When working with Apache spark ,there are times when you need to trigger a Spark job on demand from withing and outside the cluster.There are two ways in which we can submit Apache spark job in a cluster which includes bash script and REST API.
Permission and Ownership on Linux
Once you start working on Linux and writing a Shell script, you will notice that all files and directories on Linux have a standard set of access permissions. These access…
What is Structured Query Language(SQL)? Definitions of SQL
SQL or Structured Query Language is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS). It provides various ways of manipulating and creating…
What is Machine Learning and why it is important?
Machine Learning is a field of computer science that uses statistical techniques to train a computer system to learn from data and act according to it.
Installing Apache Hive on Ubuntu
In this blog post we will install Apache Hive in Ubuntu Machine.Once installation is complete we will run Hive queries using Hive Query Language(HQL) to Verify the installation.
Big Data Analytics in Cancer Research
A single cancer patient on average can generate 1 Terabyte of biomedical diagnostic and clinical data. According to a paper from GLOBCAN 2018, there will be 18.1 million new cancer…
Blockchain Technology
Blockchain provides a trusted and distributed ledger with shared business process and parties.It allows any participant in the business network to see the one system of record or ledger.
List Files and Directories on Linux
The ls command is one of the basic and common commands that all Linux users should know. It is mainly used to list information about files and directories within the…
Partitions in Apache Hive
Partitions are fundamentally horizontal slices of data that allow large sets of data to be segmented into more manageable chunks. They are virtual columns acting as storage units but, not…