A candle loses nothing by lighting another candle.
🏗 What is CI/CD? Think of software development like running a factory: 🔹 Continuous Integration (CI) — the “build & test” stage Goal: Make sure every code change works well with the existing system. 👉 CI ensures that the main Read More …
Data powers everything today — from the way Netflix recommends your next movie to how businesses predict customer demand. But before data can be analyzed, it must be moved, shaped, and transformed into something useful. That’s where ETL and ELT Read More …
Data is the backbone of decision-making in modern businesses. But raw data—like endless spreadsheets of transactions—can be overwhelming. The Star Schema is one of the simplest, most effective, and scalable ways to structure data for analysis. Think of it as Read More …
In today’s fast-paced digital world, real-time data is critical for making informed decisions. From e-commerce clickstreams to IoT sensor data, the ability to process and analyze information as it arrives provides a significant competitive advantage. This blog post will demystify Read More …
Overview Creating a social media application that can handle millions of users, real-time data, and high traffic is a significant technical challenge. It requires a resilient, scalable, and highly available infrastructure. Instead of building from scratch, modern platforms leverage cloud Read More …
Overview In the dynamic world of software engineering, the journey from writing lines of code to architecting complex, scalable systems is a path that requires not only technical prowess but also a unique blend of vision, leadership, and motivation. This Read More …
Overview Imagine an e-commerce platform that generates a continuous stream of logs from its web servers, mobile applications, and IoT devices. The company needs to analyze this data in real-time to: Step-by-Step Architecture Design This architecture is built on a Read More …
Headline: Your First Steps into the World of Apache Kafka Target Audience: Tech-savvy individuals, students, or small business owners who are thinking about using Kafka and want a clear, conceptual understanding of the process. Blog Content: So, you’ve heard about Read More …
Headline: Why Your Business Needs a Real-Time Data Backbone: A Practical Guide to Apache Kafka Target Audience: Business leaders, managers, and anyone who needs to understand the “why” behind real-time data processing without getting lost in technical jargon. Blog Content: Read More …
1. What is Braintree? Braintree (a PayPal service) is a payment gateway and processor that lets businesses accept payments online or in apps.It supports: Think of it as the bridge between your website/app and the customer’s bank account. 2. How Does It Work? Read More …
In today’s fast-paced digital landscape, building a successful application goes beyond writing functional code. A robust solution architecture is the backbone of any reliable and scalable system, ensuring it can meet current demands and adapt to future challenges. A well-designed Read More …
For the Non-Technical Reader 👨💻 Ever wonder how the apps you use every day get their information or talk to one another? They all use a digital language called an API (Application Programming Interface). Here are six of the most Read More …
In the modern digital world, we generate a massive amount of unstructured data. This includes everything from photos and videos to emails, sensor data, and web pages. Traditional storage methods, like file or block storage, often struggle to keep up Read More …
JSON Web Tokens (JWT) have become a standard for securing APIs, offering a stateless and efficient way to handle user authentication. This blog post will walk you through the entire JWT authentication flow, from a user logging in to making Read More …
Overview In the complex world of modern web applications, where millions of users can simultaneously access services, ensuring smooth and uninterrupted performance is paramount. This is where load balancers step in as crucial architectural components. A load balancer is a Read More …
Concept Simple Definition Memorable Analogy Primary Benefit Scalability Handling more users/data without losing performance. Expanding a balloon without it bursting. Ensures continued performance as demand grows. Load Balancers Directing traffic evenly across multiple servers. A restaurant manager directing customers to Read More …
Overview Every popular application, from social media giants to streaming services, faces a common challenge: how to handle an ever-increasing user base and data volume without slowing down or crashing. This challenge is addressed by a fundamental concept in system Read More …
🧠 Overview: How reCAPTCHA v3 Works Unlike v2 (which uses a checkbox), reCAPTCHA v3 is invisible and works by: 🧱 Architecture Components 🧩 reCAPTCHA v3 Integration Flow Diagram 💻 Sample Spring Boot Integration ✅ Backend Config 🧩 REST Controller 🛠 Service Layer 🔍 RecaptchaResponse DTO ⚙️ Read More …
1. Overview This document outlines the design of a yearly subscription model that allows customers to subscribe and utilize services across multiple applications. Each application has unique user identifiers (e.g., user_key/email for application1, phone_number for application2). The system ensures efficient Read More …
Business Document 1. Overview The Short URL Application provides users with a simple way to shorten long URLs while offering comprehensive analytics on link usage. The platform aims to cater to businesses, marketers, and individuals who need trackable, efficient link-sharing Read More …
Introduction This document serves as a guide for preparing an RFP for a project. It includes all critical areas that an organization should consider before publishing an RFP. As an example, we have taken the implementation of a Digital Healthcare Read More …
Introduction Managing a website can seem like a daunting task, but understanding the key concepts behind website management doesn’t have to be complicated. In this guide, we’ll break down important aspects such as HTTP/HTTPS paths, canonical tags, redirects, IP addresses, Read More …
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 …
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 …
Debugging in a microservice architecture can be challenging for several reasons: To overcome these challenges, effective logging and monitoring strategies, distributed tracing, centralized error tracking, and observability tools can be used. Additionally, adopting best practices such as well-defined service interfaces, Read More …
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 This document covers the implementation Read More …
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 …
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 …
Improving software backend developer productivity and efficiency involves adopting best practices and optimizing processes. Here are some key practices and processes along with detailed examples and explanations: By incorporating these practices and processes, a software development team can enhance productivity, Read More …
Overview This document outlines the key activities involved in the software development lifecycle, along with the roles and responsibilities of each team member. By clearly defining these responsibilities, the engineering team can work more efficiently and effectively to deliver high-quality Read More …
A Generic Software Architecture provides a structured approach to designing scalable, maintainable, and modular applications. It typically consists of multiple layers, ensuring clear separation of concerns and ease of development. Key Components: This architecture ensures scalability, security, and maintainability, making it adaptable for Read More …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …