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Creating API Gateway to trigger Lambda Function

Reading Time: 5 minutes Hello Readers! I hope you are doing very well. So, In this blog we will create an API gateway to trigger lambda functions. Let’s talk about API gateway and after that we will trigger a lambda function using it. API Gateway: Api Gateways are just a web endpoint to your application. You can configure the target to be any aws service you want. So, It’s just Continue Reading

How to create lambda function in AWS?

Reading Time: 3 minutes Introduction: In this blog, I will show you how to create lambda function. But first we will see what is lambda function.Lambda is a server light service on AWS where you can only pay for what you are going to use in terms of compute usage and so there is no charge when your code is not running.Lambda function is a small anonymous function. It Continue Reading

What is Lambda Expression in java? How to Use it?

Reading Time: 3 minutes Lambda Expressions get add-in Java 8. Java lambda expressions are Java’s first step into functional programming. Its main objective is to increase the expressive power of the language. The syntax of a basic lambda expression is: The expression use as the code body for the abstract method within the paired functional interface. lambda expressions exist outside of any object’s scope. This means they are callable anywhere in Continue Reading

Back2Basics: Demystifying Eta Expansion

Reading Time: 4 minutes In this blog, we will talk about eta expansion in Scala. How they behave under the hood before and after Scala version 2.12. Scala has both methods and functions in Scala. We refer them interchangeably but there are situations where the difference matters. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file Continue Reading

Introduction to AWS Step Function

Reading Time: 2 minutes Step Function is state-machine based workflow coordination as a service provided by AWS. AWS provides a straightforward way for application developers to create an execution workflow to coordinate the use of multiple AWS Lambda or Amazon Elastic Compute Cloud (EC2) components in distributed applications running on the cloud. Before digging into AWS Step function, let’s take an example. You want to send an automated verification message to the new user Continue Reading

Serverless Architecture-Blog-2 (AWS Lambda)

Reading Time: 3 minutes In our last blog, we have seen the serverless introduction, Continuing that in this blog we will implement serverless using AWS lambda. AWS Lambda is a compute service that lets you run code without provisioning or managing servers. AWS Lambda executes your code only when needed and scales automatically, from a few requests per day to thousands per second.