Design Patterns
A design pattern is a proven, reusable solution to a common software design problem. It provides a template for structuring code to improve flexibility, maintainability and scalability. Common types include creational, structural and behavioral patterns, such as Singleton, Factory, Adapter and Observer, widely used in professional software development.
Top Design Patterns Articles
Mastering the Prototype Design Pattern in Java (Beginner to Advanced)
Master Prototype Design Pattern in Java: learn cloning, deep vs shallow copy, implementations and real-world use cases to build high-performance scalable systems
Mastering the Singleton Design Pattern in C#
Mastering the Singleton Design Pattern in C#, Singleton Design Pattern in Depth: Structure, Use Cases and Best Practices, in depth design pattern, LLD , low level design
Low-Level Design Interview Preparation Guide
LLD interview preparation Guideline
Master the Top Design Patterns for Interviews
Master the Top Design Patterns for Interviews With Real-World Examples | preparing for system design or LLD interviews, learning Design Patterns is essential.
Mastering the Template Design Pattern in C#
Mastering the Template Design Pattern in C#, Template Design Pattern in Depth: Structure, Use Cases and Best Practices
System Design Interview Questions
System Design Interview Questions | System Design Interview Questions for Freshers | Job Interview System Design Questions | Practice with common System Design Interview Questions | Top companies System Design Interview Questions | Frequently asked System Design Interview Questions
Top Design Patterns Blogs
Popular Topics
MethodDatabaseSortingPostgreSQLCoding ProblemsInterview ExperienceInterview PreparationInterviewQueryLanguage-Concepts
A method is a block of code that performs a task.
A database is an organized collection of data. It is the collection of schemas, tables, queries, reports, views, and other objects. The data are typically organized to model aspects of reality in a way that supports processes requiring information. Use this tag if you have questions about designing a database.
Sorting is the process of arranging data in a specific order, typically ascending or descending. It helps improve search efficiency, data organization and overall algorithm performance. Common sorting algorithms include Bubble Sort, Merge Sort, Quick Sort and Insertion Sort. Sorting is widely used in databases, applications and system processes to manage and analyze information effectively.
PostgreSQL is a free, open source relational database management system. It was initially developed as a successor of the Ingres database
Coding problems are exercises designed to test a programmer’s ability to write logic, solve challenges and apply algorithms or data structures. They help improve problem-solving skills, logical thinking and coding efficiency. Common in interviews and competitive programming, coding problems range from simple tasks to complex algorithmic challenges, preparing developers for real-world software development scenarios.
An interview experience is a detailed account of the interview process for a specific role, covering rounds, questions asked, difficulty level, preparation tips and personal insights to help future candidates understand what to expect and how to prepare effectively.
Interview Preparation is the process of getting ready to perform confidently and effectively in a job interview. It includes researching the company, understanding the job role, practicing common interview questions, improving communication skills and reviewing technical or domain knowledge. Proper interview preparation increases confidence, reduces anxiety, and improves your chances of securing the job.
A structured conversation where one participant asks questions and the other provides answers of those questions.
In databases, a query is a request to retrieve, insert, update or delete data. Written in SQL (Structured Query Language), queries can be simple, like fetching all rows from a table, or complex, involving joins, conditions and aggregations. They are essential for interacting with and managing database information efficiently.
This tag is used to understand a basic part of the language.
Popular Articles
install mysql by docker. docker mysql server installation. MySQL is one of the most popular open-source relational database management systems. Docker container is a great way to manage and deploy databases in a portable and isolated environment. In this article, we will walk through the steps by step to install and run MySQL in Docker.
Find the Maximum Subarray Sum | Largest Sum Contiguous Subarray | Kadane’s Algorithm | Maximum Subarray | Given an integer array nums, find the
subarray with the largest sum and return its sum | The Efficient Way to Find Maximum Subarray Sum
Mastering the Template Design Pattern in C#, Template Design Pattern in Depth: Structure, Use Cases and Best Practices
List Handling in Java vs C# vs C++ A Deep Comparison, This comparison provides a full view java , c# and c++ List like data structures
Rotate an array of n elements to the right by k steps | right rotate the elements of an array | array rotate | rotate array by k step
Amazon Transaction Logs (example question), Amazon Transaction Logs Interview question
Top 50 SQL Interview Questions and Answers (Beginner to Intermediate). Top SQL Interview Questions for fresher. Frequently asked SQL interview questions with answers
Top High-Level Design(HLD) Interview Questions and answers, HLD QnA, HLD interview preparation
A Structured Approach to Cracking Technical Interviews. how to prepare for Technical Interviews? Technical Interviews preparation guideline
Most Popular Tools
Explore our top online tools including a blank page for notes, a QR code generator, word counter and collaborative editor. These free, easy-to-use utilities help you write, analyze, share and organize content faster. Perfect for developers, creators and students to streamline everyday digital tasks efficiently.
Blank Page
Create a blank canvas for your ideas, notes or sketches. Use this tool for rough work and jotting down your thoughts
QR Code Generator
A QR Code Generator is a tool that instantly converts text, URLs or other data into a scannable QR code. Users can create custom QR codes for websites, contact info or messages. It's commonly used for quick access, sharing and printing without needing a backend or complex setup.
Word Counter
Perform various string operations like counting characters, words or letters.
Collaborative Editor
Collab Editor is a powerful, free-to-use online platform that lets you collaborate in real-time. Whether you re working on documents, brainstorming idea, or discussing projects etc