Software Design

Understanding Hashing: Hash Tables and Hash Functions

Introduction Hashing is a fundamental concept in computer science used to efficiently map data of arbitrary size to fixed-size values, known as hash values or hash codes. This process involves the use of hash functions and hash tables, which enable Read More …

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Integrating HubSpot with a Spring Boot Application: A Step-by-Step Guide

Introduction In this tutorial, we will guide you through the process of integrating HubSpot with a Spring Boot application. HubSpot is a powerful CRM platform that offers various APIs to manage contacts, deals, and more. We’ll focus on creating a Read More …

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Integrating Dialpad with a REST API Using Spring Boot: OTP Verification and Document Retrieval

Description In this tutorial, we will guide you through integrating Dialpad with a REST API using Spring Boot. We will focus on verifying user authentication based on their phone number using an OTP (One-Time Password), and then sending a document Read More …

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Backend Code Design Discussion

Explore the intricacies of our backend code design as we delve into the architecture, services, and key components shaping the foundation of our system. Join us for a focused discussion on the elegance, scalability, and efficiency embedded in our backend Read More …

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Lighthouse: A Comprehensive Guide for Web Developers

Introduction: In the fast-paced world of web development, ensuring your website not only looks great but also performs optimally is crucial. Enter Google Lighthouse – an indispensable tool for developers looking to enhance their websites in terms of performance, accessibility, Read More …

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Retry Logic with Exponential Backoff in Spring Boot

Table of Contents 1. Introduction 1.1 Purpose The purpose of this document is to provide developers with a comprehensive understanding of how to implement retry logic with exponential backoff in a Spring Boot application using the @Retryable annotation. 1.2 Scope Read More …

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Comprehensive Guide to Ensuring Software Quality and Performance

Delivering software code with good quality is crucial for the success of any software development project. It ensures that the software is reliable, maintainable, and meets the requirements of the users. Here’s a step-by-step guide to help you achieve this: Read More …

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Comprehensive Guide to Server-Side Rendering (SSR) in Web Development: Overview, Pros, and Cons

Server-side rendering (SSR) is a technique used in web development to generate and render the initial HTML for a web page on the server before sending it to the client (browser). This stands in contrast to client-side rendering (CSR), where Read More …

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Spring Boot and React JS TODO Application

TODO Application Overview This proof of concept application helps to learn Spring Boot and React JS technologies. The user will be able to perform given action items – Creating a complete todo application with Spring Boot (for backend) and React.js Read More …

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How to handle cross-cutting concerns, such as security, in a Microservices architecture?

Handling cross-cutting concerns, such as security, in a Microservices architecture requires careful planning and implementation. Here are some approaches and best practices to handle security in a Microservices architecture: Remember that security is an ongoing process, and it should be Read More …

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How does a Java Microservice and .NET Microservice can talk with teach?

Java microservices and .NET microservices can communicate with each other using various methods, such as: Overall, the choice of communication method depends on factors such as the nature of the application, system requirements, performance considerations, and the available tooling and Read More …

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Important Points for Root cause analysis

Providing a thorough and effective root cause analysis (RCA) is essential for identifying and addressing the underlying causes of a problem or issue. Here’s a step-by-step guide on how to provide the best RCA: Remember that RCA is an iterative Read More …

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Design a database schema for an online merch store

Designing a database schema for an online merch store involves organizing data related to products, customers, orders, transactions, and other relevant information. Below is a simplified example of a database schema: This expanded schema includes additional details such as brand Read More …

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How to install filebeat agent on docker container

To install Filebeat on a Docker container and use it as an agent for forwarding logs to an Elasticsearch or Logstash server, you can follow these steps: That’s it! Filebeat should now be running within your Docker container and forwarding Read More …

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How to handle data consistency in a Microservices architecture?

Data consistency in a microservices architecture can be a challenging aspect to handle due to the distributed nature of the system. Here are some strategies and patterns that can help you ensure data consistency: Remember that the choice of data Read More …

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GRPC Overview

The gRPC (gRPC Remote Procedure Calls) is an open-source remote procedure call (RPC) framework developed by Google. It enables efficient communication between different applications running on various platforms and environments by using protocol buffers (protobuf) as the interface definition language. Read More …

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Why debugging is so tough on Microservice Architecture?

Debugging in a microservice architecture can be challenging for several reasons:

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Rest API Overview

Developing an efficient and secure REST API using Java involves several key steps and best practices. Below, I’ll outline the process and provide tips for achieving these goals: 1. Choose a Framework: Select a suitable Java framework for building REST Read More …

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Generic Software Architecture Diagram

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How to think like a Software Architect?

Thinking like a software architect involves a combination of technical knowledge, problem-solving skills, and the ability to balance various considerations to design effective software solutions. Here are some key aspects to consider when thinking like a software architect: Remember that Read More …

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What is Database management System?

A Database Management System (DBMS) is software that allows users to create, manipulate, and manage databases. It serves as an intermediary between the users and the underlying database, providing an organized and efficient way to store, retrieve, update, and delete Read More …

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What is TCP/IP?

TCP/IP (Transmission Control Protocol/Internet Protocol) is a suite of communication protocols that form the backbone of the internet and most modern computer networks. It provides the rules and conventions for devices to communicate and exchange data over a network, enabling Read More …

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How do you ensure that Microservices are scalable and resilient?

Ensuring scalability and resilience in microservices architecture involves implementing certain best practices and employing specific techniques. Here are some key considerations to help achieve scalability and resilience: By applying these principles and techniques, you can enhance the scalability and resilience Read More …

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How to handle service discovery and registration in a Microservices architecture?

In a Microservices architecture, service discovery and registration are essential components for enabling communication between services. The primary goal is to allow services to locate and connect with each other dynamically, without hard-coding specific endpoints or configurations. Here are some Read More …

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How to handle deployments and rollbacks in a Microservices architecture?

In a Microservices architecture, managing deployments and rollbacks can be challenging due to the distributed nature of the system. However, with proper planning and the right tools, you can handle deployments and rollbacks effectively. Here are some best practices to Read More …

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How to handle service communication and data sharing in a Microservices architecture?

In a Microservices architecture, service communication and data sharing are critical aspects that need to be carefully designed and implemented. Here are some approaches and best practices for handling service communication and data sharing in a Microservices architecture: Remember that Read More …

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AWS Services – Common | FrontEnd Development | BackEnd Development | Data Engineering | DevOps

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Advantages & Disadvantages of Microservices Architecture

Microservice architecture is an approach to software development where an application is broken down into smaller, loosely-coupled services, each independently deployable and manageable. While microservices offer several advantages, they also come with some challenges. Here are the pros and cons Read More …

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How to monitor and troubleshoot Microservices?

Monitoring and troubleshooting microservices can be challenging due to their distributed nature. However, there are several best practices and tools available to help you effectively monitor and troubleshoot microservices. Here’s a step-by-step guide: Remember, monitoring and troubleshooting microservices is an Read More …

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How to handle service versioning and backward compatibility in a Microservices architecture?

Handling service versioning and backward compatibility in a Microservices architecture is crucial to ensure smooth evolution and maintenance of your system. Here are some best practices for managing service versioning and backward compatibility: By following these practices, you can effectively Read More …

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How to handle service governance and lifecycle management in a Microservices architecture?

Handling service governance and lifecycle management in a microservices architecture involves implementing various practices and tools to ensure effective management, scalability, and maintainability of the services. Here are some key steps and considerations: Remember, microservices governance and lifecycle management are Read More …

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How to handle testing and continuous integration in a Microservices architecture?

Testing and continuous integration (CI) in a Microservices architecture can be challenging due to the distributed nature of the system. However, with proper strategies and tools, you can effectively handle testing and CI in a Microservices architecture. Here are some Read More …

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How to handle service resiliency in case of failures?

Handling service resiliency in case of failures involves implementing strategies and best practices to ensure that your system can recover from failures and continue operating with minimal disruption. Here are some key approaches to consider: Remember that the specific strategies Read More …

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Employee data display sample project using ReactJS

Here’s a sample project that demonstrates how to display employee data using React: First, make sure you have Node.js and npm (Node Package Manager) installed on your machine. Then, follow these steps: Change into the project directory: Replace the contents Read More …

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Can you Explain Event-Driven pattern and how is it used in Microservices architecture?

Event Drive Architecture Pattern Certainly! The Event-Driven pattern is a software design pattern that emphasizes the production, detection, and consumption of events. An event can be defined as a change in the state of a system or an occurrence of Read More …

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Can you Explain Sidecar pattern and how is it used in Microservices architecture?

Sidecar Pattern The Sidecar pattern is a design pattern used in the context of microservices architecture to enhance the functionality of a service without modifying its code. It involves attaching an additional container, known as the sidecar, to the main Read More …

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Hospital Management System application development code using springboot microservice and mongo database

Introduction This document helps our developer to understand and start developing springBoot and MongoDB-based applications. This is a very simple project and users can copy and extend it. Here’s an example of how you can develop a Hospital Management System Read More …

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How to write a spring batch program?

To write a Spring Batch program, you’ll need to follow a series of steps. Here’s a general outline of the process: Step 1: Set up the project Step 2: Define the Job Step 3: Define the Steps Step 4: Define Read More …

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Event/Task Reminder System

Introduction The Event/Task Reminder application helps to send reminder notifications to the available email or mobile set by a user in the system.The architecture of this application is based on a 3-tier architecture and some batch programs which execute asynchronously. Read More …

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Application Architecture for – Click Event Stream and User Behavior (IOT)

Introduction The click stream event and user behavior application capture all events from an application and store them on the database or data warehouse for future reference. It is a data-driven architecture that helps our stakeholders to understand the performance Read More …

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File upload and Read – AWS Serverless Architecture Diagram

Introduction This serverless architecture diagram explains to fetch critical information from a file uploaded by a client like Aadhar Card, Pan Card, and Passport information asynchronously. We used AWS Cloud services to build the architecture and those are given below Read More …

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Hospital Management System – Architecture Diagram

Introduction This page contains the high-level architecture diagram for Hospital Management System. This architecture is prepared based on the latest Microservice concept. Please find the diagram below – Note: This is a proposed architecture diagram and there is a scope Read More …

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Employee Management System

Introduction Effective management of employee information is vital for every business. To facilitate the day-to-day internal needs of eSystems’ management team and its employees, we have proposed a new Employee Management System. The aim of this system is to offload Read More …

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IOT Software Architecture Design

Introduction This tutorial helps the user to understand and discuss software architecture design related to the Internet of things. The discussion will include cloud services and traditional design discussion.Internet of things is based on four simple building blocks also called Read More …

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Software Architecture Design Discussion

Introduction This tutorial helps the user to understand and discuss software architecture design. The discussion will include cloud services and traditional design discussion. Please find the MS PowerPoint slides below with video explanation – Serverless Web Application Architecture

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Online Pet Store and Services Ltd.

Introduction Welcome to Online Pet Store and Services Ltd.  This business plan is to get and prepare detailed information about the “OPSS” Application. The OPSS business helps customers to utilize the various services by just clicking on the mouse using Read More …

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Design Pattern – Generate unique Random Data Sample Report

Problem Description There are a set of records which are not in sequence order and varies every month based on the input criteria. Also, along with Random data records, some records number would not be present in the list. The Read More …

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Oracle SQL Developer to generate an ER diagram

Introduction The Oracle SQL Developer is a pretty powerful and efficient tool to connect with the Oracle database and perform some useful utilities like Write PLSQL, SQL, Import, Export data, SQL performance and generate Entity Relationship Diagram. We will discuss Read More …

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The Best Practice to Solve a Problem

Introduction There are various ways to solve a problem. All ideas need some set of predefined steps to follow. Also, it is really critical to document all step to get the proper solution with an efficient fashion.As per our opinion, Read More …

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Abstract Factory Design Pattern & Implementation Using Java

Introduction The Abstract Design Pattern is a creational Design Pattern and used to create Family of Objects. The abstract design pattern is very important to design pattern and used in a situation where the user wants to create a family Read More …

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Software Engineering Roles and Responsibility

Introduction Software engineering is very critical and playing a vital role in the modern world. This is the time of tablet, laptop, and other digital instruments and all most everything needs software. Software industries are very popular and profit-making industry. Read More …

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Singleton Design Pattern Using Serialization

Introduction Singleton Design Pattern is complex to implement at Distributed environment, Where we have multiple JVM install. Multiple threads will invoke the Singleton class from various environment simultaneously which cause multiple object creation. We need to implement Serializable interface in Read More …

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Singleton Design Pattern Using Java

  Introduction This tutorial will highlight the importance of Singleton Design pattern using java implementation. It explains various ways of implementation with flaw in the implementation. Singleton design pattern is one of the most common patterns you will see in Read More …

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Design Pattern with Examples for Java/J2EE

Introduction Design Patterns are very popular among software developers. A design pattern is a well described solution to a common software problem. Some of the benefits of using design patterns are: Design Patterns are already defined and provides industry standard Read More …

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IBM Curam Architecture Overview

Introduction Hello Everyone, Welcome to  www.knowledgewala.com, We are sharing knowledge so everyone can learn various things from one platform, please send your required so we can provide those tutorial. This page will explain about IBM curam folder structure and basic Read More …

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