Jun 29, 2022AWS Lambda to invoke other lambda function asynchronously in same region using JavaIn this article we will see how we can call another lambda function in same region using InvokeRequest. To explain this we will create one Lambda function to write hello world, and will call this function from another lambda function. We need two dependencies aws-lambda-java-core,aws-java-sdk-lambda in order to do this task…AWS Lambda4 min readAWS Lambda4 min read
Jun 28, 2022Lambda Function to write a file in Amazon S3 using Java.This article cover the case when we want lambda function to create,write and upload the file in S3.In one of my project we need to write the status of system in a file and upload it to S3 bucket. In this article we will see how we can write a…AWS Lambda4 min readAWS Lambda4 min read
Jun 27, 2022Lambda Function to schedule with Amazon EventBridge using Java.Amazon EventBridge is a serveless event bus service.We will be creating events through Amazon EventBridge rules which trigger our Lambda Function. Aim: To set up an Amazon EventBridge rule to run an AWS Lambda function for specific schedule. Steps: Step1: First create a Lambda function. Step2: Write a handler in Java…AWS Lambda3 min readAWS Lambda3 min read
Jun 24, 2022AWS project using S3, Lambda function, and SQS in JavaThis article explains about how to use the lambda function to write the SQS message when trigger by S3 put. We are assuming the viewer should have knowledge of AWS services like S3,Lambda, IAM, SQS etc. In the example below we assume that the file will be uploaded to S3…Java86 min readJava86 min read
Apr 30, 2022Java 8 Concepts and Understanding..1why Java8 → To achieve conciseness in the code (compact code or to shorten Line Of Code) by using Lambda expression.Few …Java4 min readJava4 min read
Mar 11, 2022NodeJS Learning Part 2Lets create our server to send data to front end application Create a new project as discuss in part1 give the name myshopserver create app.js file as entry point of our application. lets say we have apis for products in our app. Let us use end point as http://localhost:3000/api/v1/products Now…Nodejs2 min readNodejs2 min read
Mar 9, 2022NodeJS Learning Part 1Node.js is an open-source, cross-platform, back-end JavaScript runtime environment that runs on the V8 JavaScript engine (by google) and executes JavaScript code outside a web browser.Node.js is primarily used for non-blocking, event-driven servers, due to its single-threaded nature. …Nodejs3 min readNodejs3 min read
Aug 10, 2021State management using Redux in React nativeIn JavaScript applications Redux act as a predictable state container. It it like state management library. If we want to get the state of our application throughout the app then we need to initialise the redux in application context, since the scope is throughout application. In my shopping app below…React Native3 min readReact Native3 min read
Jul 14, 2021Implement Bezier Line-chart in React NativeCharts are easy way to convey data stories on mobile unlike using tables full of data especially while developing business dashboard apps, finance apps, mobile banking apps, analytics apps, e-commerce apps, health apps, and fitness apps etc. In this tutorial, we will implement Bezier Linechart in React Native. We are…React Native2 min readReact Native2 min read
Jul 12, 2021How to Animate marker position on Google Map in React NativeThis article is to show animation of pointer movement on Google map. There are many ways of doing an animation of pointer movement on maps ,this article focus on using the react-native-maps.We use MapView, Marker and AnimatedRegion for this animation. Here’s what we’ll create at the end of this article…Reactive Programming1 min readReactive Programming1 min read
