This article talks about how to create an index in Elasticsearch cluster.

This article provides details on how to change ElasticSearch index names for Spring Boot Actuator metrics.

This article explains how to change publishing frequency of Spring Boot Actuator Metrics through Micrometer

This tutorial describes how to visualize Spring Boot actuator metrics in Kibana from ElasticSearch indexes.

This tutorial describes how to export Spring Boot actuator metrics to ElasticSearch and then visualize those using Kibana.

This tutorial describes how to print names of the files in a directory and all of its subdirectories.

This tutorial provides an algorithm to optimize multiply operations while performing multiplication of many matrices.

This tutorial provides a Java program to print nodes of Binary Tree that will be visible from right view.

This tutorial provides a Java program to print nodes of Binary Tree that will be visible from left view.

This tutorial provides code for implementing Spiral order traversal of a Binary Tree.

This tutorial provides code for implementing level order (breadth first) traversal of a Binary Tree.

This tutorial provides code for implementing post-order traversal of a Binary Tree.

This tutorial provides code for implementing pre-order traversal of a Binary Tree.

This tutorial provides code for implementing in-order traversal of a Binary Tree.

This tutorial describes how to implement Binary Search Tree in Java containing methods for inserting, deleting and searching a node.

This tutorial describes how to implement factory design pattern in Python.

This tutorial describes how to install, manage and uninstall docker on Ubuntu/CentOS using Snap packages of Linux.

This tutorial will help you to get started with Spacy Python library for NLP by covering installation, developing a hello world program and its use cases.

This tutorial demonstrates how to read CSV data from remote file using its URL in TensorFlow.

This tutorial introduces you to linear regression with a use case of predicting appliances energy usage.

This tutorial will provide you with steps to write a Java program to perform SQL like analysis on multiple CSV files containing different columns using Apache Spark SQL.

This tutorial demonstrates Python way of sending mails with both outlook and Gmail account.

This tutorial will provide instructions for developing an application for detecting room occupancy using Logistic Regression in Apache Spark MLlib.

This tutorial demonstrates how to override the active profile from command line arguments in Spring Boot Integration Tests

This tutorial demonstrates how to active a profile when a related profile is actived in Spring Boot.

This tutorial explains how to do datetime (Datetime to String, String to datetime and days subtraction from datetime) conversion in Python

This tutorial demonstrates Python way of reading CSV files into either dictionary or list data structures.

This tutorial describes how to disable automatic Topcis creation at the time of producing messages in Apache Kafka

This tutorial will describe how to use profiles to manage loading of properties file in Spring Boot.

This tutorial explains how to merge an array containing label and other one containing data into a dictionary in Python

This article describes how to customize log levels using management endpoint and properties file in Spring Boot applications.

This tutorial describes how to expose custom attributes to info endpoint of Spring Boot 2.x.x Actuator.

This tutorial describes how to add custom metrics to metrics endpoint of Spring Boot 2.x.x Actuator.

This tutorial describes how to add and visualize method level information to ZipKin using Spring Boot, Spring AOP, Spring Sleuth and Spring Cloud.

This article explains how to map custom Spring Boot Actuator endpoints to custom path in Spring Boot 1.x.x and 2.x.x

This tutorial provides the steps to implement a basic Apache Kafka consumer in Java

This tutorial provides the steps to implement a basic Apache Kafka producer in Java

This tutorial explains how to implement Request / Response paradigm with Apache Kafka using Akka Actors in Java

This article talks about best practices for logging in applications running in containerized environments.

This tutorial will provide you with steps to increase replication factor of a topic in Apache Kafka

This tutorial introduces you to TensorFlow Deep learning framework including its installation, use cases and a hello world program.

This article will provide basic knowledge of Deep learning and Neural networks along with their use cases

This article provides steps to get actual server(local) hostname using HOSTNAME environment variable

This article provides you with Java solution of "Bot saves princess" problem from Hackerrank AI track.

This tutorial will demonstrate service tracing using ZipKin in services developed on Spring Boot.

This tutorial will introduce you to basic concepts of reactive programming along with Java libraries to achieve this.

This tutorial will provide you with steps to create Spring Web based REST services using Spring Boot.

This tutorial will get you started with Spring Boot by helping you develop JAX-RS based REST services.

This tutorial will talk about basics of Microservices and other concerns that need to be addressed to make Microservices a success.

This tutorial will provide you with instructions to configure and enforce quotas for produce and fetch requests in Apache Kafka.

This tutorial will introduce you to built-in library of Apache Spark for Machine learning.

This tutorial will provide instructions for developing an application for detecting room occupancy using Decision Tree classifier in Apache Spark MLlib.

This tutorial will provide you with steps to write a Java program to perform SQL like analysis on CSV file using Apache Spark SQL.

This tutorial will provide you with the instructions to add partitions to an existing Topic in Apache Kafka.

This tutorial will get you started with Spark SQL by developing a Java program to perform SQL like analysis on JSON data.

This tutorial will provide you with the instructions to configure flush interval of message Log in Apache Kafka.

This tutorial will provide you with the instructions for setting up fully distributed multi-broker cluster of Apache Kafka.

This tutorial will provide you with the instructions to configure message retention time in Apache Kafka.

This tutorial will provide you with the instructions for setting up pseduo-distributed multi-broker cluster of Apache Kafka.

This tutorial will provide you with Java program to consume messages from Apache Kafka using Apache Storm.

This tutorial will introduce you to Trie data structure along with providing its implementation in Java.

This tutorial will provide the instructions for developing a Java program for counting tweets of an user from Twitter data using Apache Spark Streaming.

This tutorial helps you implement different type of Dialog Box using Angular Material Library in Angular JS.

This tutorial will discuss how multiple inheritance works using default methods of interfaces introduced in Java8.

This tutorial will introduce you to new features of interfaces along with functional interfaces introduced in Java 8.

In this tutorial, we will be working with Lambda expressions and method references introduced in Java 8 and understand their usages.

This tutorial provides Java solution to "Dijkstra: Shortest Reach 2" challenge of HackerRank.

This tutorial provides Java solution to "Insertion Sort 2" challenge of HackerRank.

This tutorial provides Java solution to "Insertion Sort 1" challenge of HackerRank.

This tutorial provides instructions for creating, reading, writing files in HDFS (Hadoop Distributed File System) using Java API of Apache Hadoop 2.6.2.

This tutorial provides Java solution to "Even Tree" challenge of HackerRank.

This tutorial provides Java solution to "Breadth First Search: Shortest Reach" challenge of HackerRank.

This tutorial will provide you with the instructions for developing the java applications in Apache Spark using Maven and Eclipse IDE.

This tutorial helps you implement different type of charts using Angular-FusionCharts Plugin in Angular JS.

This tutorial provides Java solution to "The Maximum Subarray" challenge of HackerRank.

This tutorial will get you started with RDDs (Resilient Distributed Datasets) in Apache Spark by covering its types and few examples.

This tutorial helps you implement charts and click events using Angular-FusionCharts Plugin in Angular JS.

This article will introduce you to Apache Cassandra by talking about its characteristics, components and use cases.

This tutorial introduces you to Apache Spark along with its built-in libraries by discussing its technical architecture and use cases.

This tutorial provides Java solution to "Jumping on the clouds revisited" challenge of HackerRank.

This tutorial provides Java solution to "Fibonacci Modified" challenge of HackerRank.

This tutorial provides Java solution to "Jumping on the Clouds" challenge of HackerRank.

This tutorial provides Java solution to "Non divisible subset" challenge of HackerRank.

This tutorial provides Java solution to "Equal Stacks" challenge of HackerRank.

This tutorial provides Java solution to "Cut the sticks" challenge of HackerRank.

This tutorial provides Java and Python solution to "Minimum Distances" problem of Hackerrank.

This tutorial provides Java and Python solution to "Save the Prisoner!" problem of Hackerrank.

This tutorial provides Java and Python solution to diagonal difference problem of Hackerrank.

This tutorial will introduce you to characteristics of Doubly LinkedList and explain how to implement it in Java

This tutorial will introduce you to characteristics of Singly LinkedList and explain how to implement it in Java

This tutorial will introduce you to characteristics of LRU Cache and explain how to implement it using LinkedHashMap in Java

This tutorial will introduce you to characteristics of LRU Cache and explain how to implement it in Java

This article will get you started with Apache Kafka by talking about its characteristics, components and use cases.

This article provides an introduction to REACT JavaScript Library along with covering its features and a simple web page to show one sample blog post.

This tutorials provides the details of various Apache Storm primitives such as Spouts, Bolts, Stream groupings and topologies.

This tutorial helps you implement user-defined (using form) markers to Google Maps using AngularJS.

This tutorial will introduce you to Apache ZooKeeper data model covering its internal data storage structure. Additionally, it will demonstrate the various operations that a client can perform using Apache ZooKeeper client libraries.

This tutorial provides the leader election algorithm implementation using Apache ZooKeeper APIs.

This articles provides you with fundamentals of Machine Learning by explaining supervised and unsupervised learning along with the various tasks that are performed using machine learning algorithms.

This article provides you with a good foundation on vectors in R language by covering their basics, arithmetic operations, numeric and name indexes based operations.