System Design: Rate Limiting
System Design: Rate Limiting is a mechanism that controls the rate of traffic sent by a client or a service.
System DesignIntermediate01 Jun 2026⏱️ 20 min read
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Visual references, implementation blueprints, and deep-dive system design guides for software engineers.
How to Fix Hibernate LazyInitializationException in Spring Boot
Learn why Hibernate throws a LazyInitializationException in Spring Boot apps, and discover 3 clean, production-ready patterns to resolve it.
Spring BootIntermediate30 May 2026⏱️ 4 min read
Java Virtual Threads Guide: Lightweight Concurrency for Massive Scalability
An in-depth guide to Java Virtual Threads: Explore the differences between platform threads and virtual threads, master structured concurrency, and learn how to build highly scalable, high-performance concurrent applications using Java 21 and beyond.
JavaIntermediate30 May 2026⏱️ 5 min read
Core Concepts in Computer Networks Cryptography
An in-depth guide to the fundamental principles of network security, covering the CIA Triad, Symmetric and Asymmetric Encryption (AES, RSA), Hash Functions (SHA-256), Digital Signatures, and Public Key Infrastructure (PKI).
Computer NetworksIntermediate09 Nov 2025⏱️ 5 min read
Algorithm Time Complexity Cheat Sheet - Essential Big O Reference
A comprehensive Big O notation cheat sheet covering the worst-case time complexity of core sorting, searching, data structure operations, and graph algorithms. Essential for coding interviews and efficient software design.
Computer ScienceIntermediate09 Nov 2025⏱️ 4 min read
Top 7 Application Layer Protocols You Must Know
Deep dive into the 7 most essential Application Layer protocols (HTTP, DNS, SMTP, FTP, etc.). Learn their ports, functions, and key concepts.
Computer NetworksIntermediate08 Nov 2025⏱️ 3 min read
How to Use MapStruct with Lombok
Learn how to configure and use MapStruct with Lombok in Spring Boot for automatic, high-performance object mapping.
Spring BootIntermediate05 Nov 2025⏱️ 3 min read
How Algorithms Evolve: From Naïve to Optimized
Algorithms are at the heart of every software system — from sorting a list to powering complex recommendation engines.
Computer ScienceIntermediate05 Nov 2025⏱️ 3 min read
Connect MongoDB to Spring Boot
A quick tutorial on integrating MongoDB with a Spring Boot application using Spring Data MongoDB.
Spring BootIntermediate03 Nov 2025⏱️ 2 min read
Functional Interface in Java
Function interfaces refer to interfaces that have exactly one abstract method. They are a key feature of Java's functional programming capabilities, introduced in Java 8.
JavaIntermediate03 Nov 2025⏱️ 2 min read
Collections Framework in Java
The Java Collections Framework is a set of classes and interfaces designed to make handling groups of objects (collections) easier and more efficient.
JavaIntermediate03 Nov 2025⏱️ 2 min read
Introduction MySQL Database In Spring Boot
Connecting a MySQL database to your Spring Boot project is one of the most common and essential tasks for building real-world web applications.
Spring BootIntermediate02 Nov 2025⏱️ 3 min read
Integrate React Frontend with Spring Boot Backend
This tutorial shows how to connect a React frontend with a Spring Boot backend to build a full-stack web application with REST APIs and Axios for communication.
Spring BootIntermediate01 Nov 2025⏱️ 7 min read
Comparable vs Comparator Interface in Java
The Comparable and Comparator interfaces in Java are essential for sorting and ordering objects.
JavaIntermediate01 Nov 2025⏱️ 2 min read
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