JWT + Spring Boot
In this blog, we will discuss how to add the JWT(JSON Web Token) Authentication with Spring Boot to secure our Rest API's. What is JWT ? When two systems exchange data, you can use a JSON Web Token
The Complete Guide to Full Stack Ethereum Development
Setting Up The Project With React And Hardhat Web3 tech stack that will allow you to build full stack apps on dozens of blockchain networks including Ethereum, Polygon, Avalanche, Celo, and many others by leveraging the Ethereum Virtual
Setting up an Ethereum Development Environment
Here I am going to list all the developer tools and framework which are going to used for ethereum development. List of Developer Tools are as follows:- Developing Smart Contracts Smart Contract Languages Solidity — Ethereum smart contracting language
Synchronous And Asynchronous Caching
As we discussed what is Caching and merits and demerits of it in my previous blog Caching-I. In this, we will learn about how to do Synchronous caching using annotations and Asynchronous caching using Caffeine. Synchronous Caching :
Create simple Blockchain using Python
Blockchain is a time-stamped decentralized series of fixed records that contains data of any size is controlled by a large network of computers that are scattered around the globe and not owned by a single organization. Every block is
How to write and deploy your first smart contract
Create and Deploy your Smart Contract The first thing that we need to understand is what the Ethereum Virtual Machine (EVM) is. Its sole purpose is to act as a runtime environment for smart contracts based on Ethereum.
Introduction to Blockchain
What Is Blockchain Technology? Blockchain- Despite the inherent ‘Block’ in it, the name has traversed more miles than any other technical term in the recent past. It is echoing in almost all existing IT infrastructures; posing a potential
How To Set Up Your Metamask Wallet
How To Set Up Your Metamask Wallet MetaMask is a free crypto wallet software that can be connected to virtually any Ethereum-based platform. You'll need to download suitable crypto-wallet software before you can build your first non-fungible token
OWASP Cryptographic Failure : Information Disclosure Vulnerabilities
These Vulnerabilities allow you to access information that should not be attainable or visible. What is information disclosure? Information disclosure, also known as information leakage, is when a website unintentionally reveals sensitive information to its users. Depending on
What Is Single Sign-On (SSO)? How Does Single Sign-On Work?
What is SSO ? A user can sign in with a single ID to any number of connected but independent software systems using the single sign-on authentication scheme. True single sign-on enables users to log in just once
React Testing Library
Why is testing required? Testing is beneficial for the following reasons:- Easy detection of errors in code or its flow. Enhance the quality of the product while reducing costs, maximising ROI, and saving development time Types of Testing
Jenkins Master and Slave Nodes
In Jenkins, We can build all our applications on a single server. As the requirement grows and changes, we will come cross many issues like what if there are thousands build which needs to be done, what if
Bot using Webflux
Use Cases Integrate with Keka - via api/library Generic - It will be able to work with any provider/channel with just a little change. (Eg. Whatsapp, telegram, google chat). Dependencies spring-boot and spring-boot-starter for basic Spring Boot application setup spring-web flux
HTTP Interceptors in Angular
Introduction Angular framework makes HTTP calls to the server for retrieving data to update pages with dynamic information using its HttpClient library. However, Sometimes we might need to add a few more dynamic parameters to such HTTP API
Benefits for Team
These days people are contemplating life on Mars. At Auriga, we are having enough fun to stay on earth. Auriga is a tribe of friends that has become a family and magic happens when everyone works hand in
WhatsApp Communities & Other Major Updates
On Thursday, Mark Zuckerberg, the CEO of Meta, announced what seems to be a very important feature - WhatsApp communities, designed to help organisations communicate better. WhatsApp has more than 2 billion users (Reported in 2021) worldwide. Therefore
Caching – I
What is Cache? It is the place where we store the frequently accessed data so that for future requests the data can be served faster instead of querying from the Database. Benefits of Caching : 1. Reduces our
Introduction of caching and Redis Cache in Spring boot
Today, we are going to look at a basic overview of Caching, Its types, and its implementation in a spring boot application. Basically, In essence, caching is known as "Storing the frequently used DB data into memory.". The
Map – Reduce Data Processing with Hadoop and Spark.
What is MapReduce? MapReduce is a programming framework that allows us to perform distributed and parallel processing on large data sets in a distributed environment. MapReduce consists of two distinct tasks — Map and Reduce. As the name
Hadoop Multi Node Cluster Setup
What is Hadoop ? The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single