Ajitesh Kumar

Spring Boot & Angular 5 PWA Dev Environment Setup

In this post, you will learn about how to quickly create development environment to build an app using Spring Boot…

7 years ago

How-to Tutorials for Spring Security OAuth2 & REST API

In this post, I have listed down some of the top pages which I came across while doing exploring implementation…

7 years ago

Andrew NG Contribution to AI – Lectures, Interviews

This post is aimed at listing down some of the great work that Andrew NG has done in the field…

7 years ago

Elasticsearch Interview Questions & Answers – Set 1

In this post, you will learn about fundamentals and best practices with ElasticSearch based on the following: Revision notes on…

7 years ago

How to Create AWS Lambda Deployment Jar using Maven

One of the key aspects of AWS Lambda Function in Java is creating deployment package (jar or zip file) for…

7 years ago

ElasticSearch Create, Query, Delete Index – Java Example

ElasticSearch Java APIs can be used to create, update, query (retrieve items) and delete the index. In this post, you…

7 years ago

ElasticSearch Fuzzy Query Example in Java

ElasticSearch fuzzy query can be used in scenarios when the user searches with mistyped keywords or misspellings. Alternatively, it can…

7 years ago

Spring Boot JPA MySQL Sample App – Code Example

Creating a Spring Boot app with MySQL data source is something every Java developer come across when thinking of creating…

7 years ago

AWS Error 2003 – Can’t Connect to RDS MySQL Server

In this post, you will learn about the solution to the error, AWS Error 2003: Can't Connect to RDS MySQL Server, which you…

7 years ago

Get Started with ElasticSearch and Kibana on Windows

ElasticSearch is a distributed, restful analytics search engine which is used to provide faster search through your data than the…

7 years ago

AWS DynamoDB PutItem Java Example to Create Items

In this post, you will learn about Java code example related to creating an entry in the DynamoDB table using…

7 years ago

DynamoDB – Partition Key vs Composite Partition Key

AWS DynamoDB has two key concepts related to table design or creating new table. A beginner with DynamoDB is found…

7 years ago

Build IVR System using Amazon Polly, Lambda and Twilio

Building an intelligent IVR system with a Bot handling the interaction with your end users and bringing in humans based…

7 years ago

Amazon Polly Text-to-speech with AWS S3, Twilio Java App

Amazon Polly can be used with Twilio phone service and AWS S3 to create an automated alert system which does…

7 years ago

Java Code to Invoke Twilio Rest API to Play Audio

This post represents sample Java code (example) to demonstrate how to invoke Twilio Rest API to play pre-recorded audio in…

7 years ago

Twilio & AWS S3 using Java & Spring Boot – Code Example

Twilio is a very popular communication service which could be used to send SMS, make the phone or video calls…

7 years ago