Resources  
  • Linux Containers Explained: Namespaces, Cgroups, and Container Runtime BasicsJul 07, 2026. Unlock the power of Linux containers! Explore namespaces, cgroups, runtimes, and images for efficient, secure, and scalable applications.
  • Mastering .NET Interviews – Part 1: Introduction to .NETJun 20, 2026. Master .NET interviews! This series covers C#, ASP.NET Core, Azure, system design & more. Start with .NET fundamentals.
  • Mastering .NET Interviews – Part 2: C# Language FundamentalsJun 20, 2026. Master C# fundamentals for .NET interviews! Covers data types, control structures, OOP, and common questions. Prep for Part 3!
  • Google's AI Search Era: What Developers and Content Creators Should KnowJun 01, 2026. Navigate Google's AI search revolution! Learn how AI Overviews, conversational search, and semantic tech impact SEO, development, and content creation. Adapt now!
  • Fundamentals of Data StructuresApr 29, 2026. This article explains basic data structures in a simple and funny way using real-life analogies. It covers common data structures like Array, Stack, Queue, Linked List, Tree, and Graph with easy-to-understand
  • Difference Between Sealed Class and Static Class in C# with Examples?Apr 21, 2026. Learn the key differences between sealed class and static class in C# with simple examples, real-world use cases, and when to use each for better performance and design.
  • How to Implement K-Nearest Neighbors (KNN) Algorithm Step by StepApr 21, 2026. Learn how to implement K-Nearest Neighbors (KNN) algorithm step by step with simple explanation, examples, Python code, and best practices for machine learning beginners.
  • What is Precision vs Recall in Machine Learning and How to Balance Them?Apr 21, 2026. Learn the difference between precision and recall in machine learning with simple examples, formulas, and how to balance them for better model performance.
  • How to Implement Drag and Drop Functionality in JavaScript Step by StepApr 21, 2026. Learn how to implement drag and drop functionality in JavaScript step by step using HTML5 drag events with simple examples and best practices for beginners.
  • How to Implement Secure Session Management in Web Applications?Apr 21, 2026. Learn how to implement secure session management in web applications with best practices, step-by-step guide, and protection against session hijacking and XSS.
  • Remove Spaces from a String (Java)Apr 21, 2026. Learn how to remove all spaces from a given string in Java while preserving the order of characters. This article explains a simple O(n) solution using StringBuilder, along with step-by-step logic and examples.
  • Mastering AWS DevOps Agent: A Strategic Overview and Setup GuideApr 09, 2026. Unlock autonomous incident management with AWS DevOps Agent! This guide covers setup, investigation, and cross-cloud operations for efficient DevOps workflows.
  • Power Apps Component Library – Complete OverviewApr 09, 2026. Master Power Apps Component Libraries! Build reusable UI elements, ensure design consistency, and streamline app development. Learn to create, use, and update components.
  • Web Design Guide | Basics, Principles, and Best Practices for BeginnersApr 08, 2026. Learn web design from basics to advanced concepts. Understand UI, UX, responsive design, tools, and best practices to create modern websites.
  • What Is WPF in .NET and How Does It Work for Building Desktop Applications?Apr 07, 2026. Explore WPF in .NET for building modern Windows desktop applications. Learn about XAML, data binding, MVVM, and its advantages for rich UI and scalable apps.
  • How to Write Your First Program in Go and Understand Its Basic SyntaxApr 07, 2026. Learn Go programming! This beginner-friendly guide covers installation, basic syntax, and writing your first program. Build a strong foundation in Go development.
  • A .NET Developer's Complete Guide to Choose Right Authentication: From Basic Auth to OAuth2 and OIDCApr 01, 2026. Most security breaches don't happen because of broken encryption. They happen because the wrong person was trusted.
  • Mastering Git: The Definitive Guide from Basic to Advanced for .NET DevelopersMar 05, 2026. Unlock Git mastery! This definitive guide for .NET developers covers everything from basic setup to advanced history manipulation and repository recovery. Master Git today!
  • Mastering Git: The Definitive Guide from Basic to Advanced for .NET DevelopersFeb 27, 2026. Unlock Git mastery! This guide empowers .NET developers, from beginners to advanced, with essential commands, branching strategies, and history manipulation techniques. Elevate your DevOps skills!
  • MVC Architecture in ASP.NET Core – Complete OverviewFeb 25, 2026. Explore ASP.NET Core MVC architecture: a powerful pattern for building scalable, testable, and maintainable web apps. Master Model-View-Controller for enterprise solutions!
  • How to Create Custom Controls in WPF?Feb 19, 2026. Learn to create custom WPF controls: User Controls for quick reuse & Custom Controls for advanced styling and enterprise-grade UI libraries. Boost .NET apps!
  • How to Create Custom Controls in WPF?Feb 17, 2026. Master WPF custom controls! Learn to build reusable UI components for enterprise apps. Enhance branding, scalability, and maintainability in .NET desktop solutions.
  • End‑to‑End Guide to Power Pages Development: From Basics to Enterprise DeploymentFeb 16, 2026. Master Power Pages development! This end-to-end guide covers everything from setup and Dataverse to Liquid, security, ALM, and enterprise deployment. Build scalable portals!
  • Getting Started with Rue ProgrammingJan 18, 2026. Rue is a modern beginner-friendly programming language designed for clarity, safety, and readability. This in-depth tutorial helps beginners and experienced developers understand Rue from scratch, covering core programming concepts such as variables, conditions, loops, functions, data structures, and error handling. By building a simple interactive application step by step, readers learn how to think like a programmer while writing clean, human-readable code. Perfect for anyone starting their programming journey or exploring new languages with a focus on simplicity and intent-driven design.
  • JWT Basics: The Digital Hotel Key for Your Web AppJan 16, 2026. Unlock JWT basics! Learn how JSON Web Tokens act as digital keys for web apps, verifying users without server-side sessions. Boost security and scalability!
  • Basic RAG Demo With LLM and Vector DatabaseJan 11, 2026. Build a 'Hamlet Expert' using RAG! This demo combines LLMs & vector DBs to answer questions about Shakespeare, enhancing education with AI. Get the code!
  • C# for Everything: One Language Powering the Modern Software WorldJan 10, 2026. C# is no longer just a backend language. Learn how C# powers web, cloud, mobile, desktop, games, and AI in 2026 with one ecosystem.
  • Provision infrastructure with Terraform in Azure & set up .NET solution - Part 1 : Introduction to series & overviewJan 08, 2026. Learn how to migrate .NET applications to Azure using Terraform! This series covers infrastructure setup, web app deployment, SQL PaaS, CI/CD, and more. Start your cloud journey now!
  • What Is a Crypto Exchange and How Does It Work?Jan 04, 2026. Learn what a crypto exchange is, how it works behind the scenes, and how users buy, sell, and trade cryptocurrencies. Covers order books, wallets, custody, security, and real exchange workflows in clear, practical language.
  • Understanding the Differences Between Monolithic and Microservices ArchitecturesJan 02, 2026. Learn the key differences between monolithic and microservices architectures in simple words. Understand use cases, benefits, challenges, examples, and when to choose each approach.
  • Overview of Internet Gateway and NAT Gateway in AWSJan 01, 2026. Understand AWS Internet Gateway (IGW) vs. NAT Gateway (NGW). Learn their features, use cases, and cost implications for secure and efficient network connectivity.
  • What is Cloud Security and why is it important?Dec 31, 2025. Learn what cloud security is, how it works, and why it is important for modern businesses. Understand key cloud security concepts, risks, best practices, and real-world examples in simple words.
  • Most Popular Cloud Providers (AWS, Azure, GCP)?Dec 29, 2025. Learn about the most popular cloud providers—AWS, Microsoft Azure, and Google Cloud Platform—in simple words. Understand their services, strengths, use cases, and how to choose the right cloud provider.
  • What Is Power BI and How Does It WorkDec 26, 2025. Power BI is Microsoft’s business intelligence tool that helps you analyze data create dashboards and make better decisions. Learn what Power BI is how it works and when to use it.
  • Does My Hardware Wallet Become a Multisig Wallet?Dec 25, 2025. Confused about hardware wallets and multisig? This article clarifies that your Ledger/Trezor doesn't *become* a multisig. It's a key, not the vault! Learn the crucial difference.
  • What is Virtualization in Cloud Computing?Dec 24, 2025. Learn what virtualization in cloud computing means, how it works, its types, benefits, real-world examples, and why it is the foundation of modern cloud platforms.
  • Overview of Web Server Deployment on an Amazon EC2 InstanceDec 19, 2025. Deploy a web server on Amazon EC2! This guide walks you through launching an EC2 instance, configuring network settings, and accessing your live web server. Perfect for beginners!
  • Understanding Triggers and Actions in Power AutomateDec 17, 2025. This article explains the core building blocks of Power Automate—triggers and actions—in simple and practical terms. It covers different trigger types, action categories, real-world examples, best practices, and common mistakes, helping beginners and professionals design reliable and efficient automation workflows.
  • Web Security Basics Every Developer Should KnowDec 15, 2025. A practical guide to web security basics every developer should know, with real Angular examples and production best practices. Covers XSS, CSRF, authentication, token handling, CORS, and secure architecture decisions. Written for experienced developers building real-world Angular applications.
  • An Overview of EC2 InstancesDec 11, 2025. An Overview of EC2 Instances
  • Learn Data Types in C#Dec 10, 2025. This article provides a complete and descriptive guide to data types in C#. It explains value types, reference types, nullable types, numeric types, boolean, character types, strings, records, arrays, enums, structs, dynamic types, object types, pointer types, and memory behavior in C#. The article also covers stack vs heap storage, best practices, and clear examples, making it ideal for beginners and professional .NET developers who want to understand C# fundamentals in depth.
  • What Is Circulating Supply vs Total SupplyDec 11, 2025. A clear explanation of circulating supply, total supply, supply mechanics, and why these metrics matter in token valuation and price behavior.
  • What Is Tokenization? The Most Comprehensive Guide for NLP and AIDec 10, 2025. Tokenization is the process of breaking text into smaller meaningful units called tokens. This complete guide explains what tokenization is, how it works in NLP and LLMs, types of tokenizers, examples, challenges, advanced subword algorithms and modern AI applications in 2025.
  • Understanding Classes and Types of Classes in C# – A Complete GuideDec 05, 2025. This article provides a complete and easy-to-understand guide to classes and all types of classes in C#. It covers the fundamentals of what a class is, how objects work, and explains each class type—including concrete, abstract, sealed, static, partial, nested, anonymous, POCO, generic, and record classes—with clear examples and real-world applications.
  • Redis in C# — A Technical OverviewDec 04, 2025. Explore Redis with C# using StackExchange.Redis for caching, distributed locks, and pub/sub. Enhance .NET application performance and scalability with this in-memory data store.
  • Difference Between IEnumerable, ICollection, and IList in C#?Dec 03, 2025. Learn the clear and simple differences between IEnumerable, ICollection, and IList in C#. Understand what they are, how they work, when to use them, and see real C# code examples to help you choose the right interface in your .NET applications.
  • Mini Chat App (SignalR Basics) – Angular + ASP.NET CoreNov 26, 2025. Build a real-time mini chat app with Angular and ASP.NET Core SignalR! This tutorial covers backend setup, Angular integration, and deployment considerations. Learn SignalR basics!
  • My first XRMToolBox Plugin: Dataverse Users, Security roles, Teams and Teams security roles (Overview, Installation & Usage)Nov 27, 2025. Explore Dataverse security with this XrmToolBox plugin! Analyze users, roles, teams, and access. Export data for audits, compliance, and cleanup. Easy install!
  • SQL Server Basics for Web Developers: What You Must Know Before StartingNov 27, 2025. Master SQL Server basics for web development! Learn essential concepts, tools, and best practices for efficient data management and building scalable applications.
  • SQL Server Basics: Tables, Primary Keys, Foreign Keys — Explained SimplyNov 24, 2025. Master SQL Server basics! Learn about tables, primary keys, foreign keys, and normalization with clear examples. Build robust, reliable databases. Improve data integrity.
  • Understanding .NET Core: A Simple and Complete Guide for BeginnersNov 18, 2025. A complete beginner-friendly guide to .NET Core covering its features, project structure, middleware pipeline, request flow, and key concepts of ASP.NET Core. This article explains everything in simple language, making it easy for students and new developers to understand and start their .NET journey.
  • Beyond Basics: Mastering Advanced Dependency Injection Patterns in ASP.NET CoreNov 10, 2025. Master advanced Dependency Injection (DI) patterns in ASP.NET Core. Learn module-based DI, decorators, open generics, and runtime service replacement for scalable apps.
  • ASP.NET Core — Concept Overview Nov 08, 2025. Explore ASP.NET Core: a cross-platform framework for building modern web apps, APIs, and microservices. Learn key concepts like MVC, DI, EF Core, and more with practical examples.
  • Basic DSA Programs: Fibonacci, Factorial, Prime, Reverse & PalindromeNov 06, 2025. Explore fundamental programming concepts! This guide provides Java, C++, Python, and C# code examples for Fibonacci, Factorial, Prime Numbers, Reversing, and Palindromes.
  • Basic To-Do List App JavascriptNov 06, 2025. Build a dynamic to-do list app with JavaScript! Learn to add, delete, edit tasks, set due dates, and implement sorting and animations. Perfect for beginners!
  • Animations using WPFNov 04, 2025. Animations in WPF
  • MultiThreading in WPFNov 04, 2025. MultiThreading in WPF
  • The Ultimate CSV Processing Guide : From Basic Reading to AI-Powered Enterprise SolutionsNov 05, 2025. Master CSV processing from basic reading to AI-powered enterprise solutions. Learn optimization, security, and future trends with code examples and case studies.
  • Overview of Azure SRE AgentOct 27, 2025. Discover Azure SRE Agent: Automate system health checks, streamline incident response, and boost service stability. Learn how to deploy and use it effectively!
  • Binary Search From BasicsOct 28, 2025. Master binary search! This guide breaks down the core concepts, and real-world applications with C# examples.
  • Mastering the Magic of C#: From Basics to BrillianceOct 27, 2025. Unlock the power of C#! This guide covers everything from basic syntax to advanced features like OOP, async programming, and pattern matching. Build web, mobile, and AI apps!
  • Visual Studio: Basic Commands and Keywords Every Developer Should KnowOct 24, 2025. Boost your coding productivity in Visual Studio by mastering essential keyboard shortcuts, common C# keywords, and beginner tips. Learn how to code faster, debug efficiently, and streamline your development workflow.
  • PostgreSQL Architecture and Deployment: A Technical Overview with Azure IntegrationOct 24, 2025. Explore PostgreSQL architecture, memory management, and Azure deployment options in this technical overview. Learn about key components like the Postmaster process, shared memory tuning (shared_buffers, wal_buffers), connection pooling, and client tools (psql, pgAdmin). Discover Azure Database for PostgreSQL deployment models: Single Server, Flexible Server, and Hyperscale (Citus) for optimal performance and scalability.
  • Chapter 2: Variables, Data Types, and Basic I/O in C++Oct 23, 2025. Master C++ fundamentals! This chapter dives into variables, data types (int, float, double, char, bool), and basic input/output operations using std::cin and std::cout. Learn how to declare, initialize, and name variables effectively, avoiding common pitfalls like garbage values. Discover the power of constants using 'const' for improved code reliability and readability. Start building dynamic C++ programs today!
  • Mastering Essential Git CommandsOct 15, 2025. Unlock the power of Git! This guide provides a comprehensive overview of essential Git commands for version control. Learn to initialize repositories, commit changes, manage branches, merge code, and collaborate effectively with teams. Master these fundamental commands to streamline your development workflow, track project history, and confidently manage your codebase. Perfect for beginners and experienced developers seeking a Git refresher.
  • A Strategic Overview of Azure Cognitive ServicesOct 13, 2025. Unlock the power of AI with Microsoft Azure Cognitive Services. This strategic overview explores how pre-built AI models for vision, speech, language, decision-making, and web search can rapidly accelerate AI adoption for enterprises. Discover the benefits of scalability, security, cost efficiency, and real-world applications across healthcare, retail, finance, and education.
  • Unit Testing BasicsOct 05, 2025. Unlock the power of unit testing! This guide covers the basics of unit testing, explaining why it's crucial for software development. Learn how to write effective tests using tools like JUnit, PyTest, and Jest. Discover different test types (positive, negative, edge cases) and best practices for success. Improve code quality, save time, and build robust applications with unit testing.
  • Array Initialization in Python: From Basics to Real-World ApplicationsSep 26, 2025. This article covers fundamental techniques, from basic lists to NumPy, with a real-world dynamic programming example: stock trading with fees. Learn best practices, time/space complexity, and avoid common pitfalls like reference issues in multi-dimensional arrays. Optimize your code for performance and readability through proper array initialization and testing.
  • What is the Difference Between Data Structures and Algorithms?Sep 23, 2025. Discover the difference between data structures and algorithms with clear definitions, detailed examples, comparison tables, and real-world use cases. Learn why both are essential for coding, interviews, and software development in the US, UK, and India.
  • What is IIS? A Complete Overview of Internet Information ServicesSep 21, 2025. Discover Internet Information Services (IIS), Microsoft's powerful web server for Windows. This comprehensive overview explores IIS features, including ASP.NET support, security, scalability, and administration tools. Learn how IIS works, its real-world use cases, and why it's a top choice for hosting websites and applications in Windows environments. Explore its advantages and alternatives.
  • Penetration Testing Basics for ASP.NET Core Web ApplicationsSep 18, 2025. Secure your ASP.NET Core web applications with this practical guide to penetration testing. Learn essential techniques, from reconnaissance to reporting, with C# examples. Discover how to identify vulnerabilities like injection flaws, XSS, and CSRF. Implement automated scanning and manual testing for robust security. Protect your applications from real-world attacks.
  • Important Network Protocols by OSI LayersSep 11, 2025. Demystify network communication with this guide to OSI model layers and their protocols! Explore how data travels from physical signals to application services, covering Ethernet, IP, TCP, HTTP, and more. Essential for IT students, network engineers, and anyone seeking to understand the internet's inner workings and ensure smooth, secure, and reliable data transfer.
  • Overview of JavaScript’s requestAnimationFrame MethodSep 09, 2025. Unlock the power of JavaScript animations with requestAnimationFrame! This comprehensive guide explores how to use this browser API for smooth, efficient animations. Learn how it optimizes performance, adapts to refresh rates, and provides time-based animation support.
  • What is Manual Testing? Basics, Types, and ExamplesSep 09, 2025. Master manual testing! This guide covers the basics, types (unit, integration, system, regression, usability, acceptance & more), and real-world examples. Learn how to test software without automation, identify usability issues, and ensure a flawless user experience. Essential for QA professionals and beginners alike. Prepare for your QA interview!
  • .NET Aspire OverviewSep 08, 2025. .NET Aspire simplifies cloud-native .NET 8 development with orchestration, telemetry, and pre-configured service defaults. Build distributed apps faster using templates, a developer dashboard, and flexible deployment options for Azure, Kubernetes, and more. Focus on code, not infrastructure, with this innovative framework.
  • 🧠 Generative Engine Optimization (GEO): The Future of AI SEOAug 29, 2025. Generative Engine Optimization (GEO) is the practice of earning citations and mentions inside AI-generated answers from ChatGPT, Google AI Overviews, Perplexity, and other LLMs. Learn what GEO is, why it matters, and how to optimize content for AI visibility.
  • What is Internetworking in Networking?Aug 29, 2025. Explore internetworking in networking: connecting diverse networks (LANs, WANs) for seamless communication and resource sharing. Learn about devices and examples.
  • Explain the 7 Layers of the OSI Model?Aug 29, 2025. Demystifying the OSI Model: Explore its 7 layers (Physical, Data Link, Network, Transport, Session, Presentation, Application) and their functions for network communication.
  • What is an IPv4 Address and Its Different Classes?Aug 28, 2025. Learn what an IPv4 address is, why it is important, and understand its different classes (A to E) with examples. This article explains networking basics in very simple words.
  • What are truthy and falsy values in JavaScript?Aug 27, 2025. Learn the difference between truthy and falsy values in JavaScript. Understand how Boolean conversion, type coercion, and conditional statements work with examples to write cleaner, bug-free code.
  • Basic Configuration of a Cisco Switch using the Cisco Packet Tracer SimulatorAug 23, 2025. Setting up a Cisco switch means giving it a name, adding passwords to keep it safe, and setting an IP address so you can connect to it from another device. You also add a gateway, so it knows how to reach other networks. After that, you save the settings, so they don’t get lost when the switch turns off
  • Understanding the __init__ Method in PythonAug 21, 2025. The __init__ method in Python is a special method used for initializing objects when they are created from a class. It is often referred to as the constructor because it sets up the initial state of an object. In this article, we will explore what the __init__ method is, why it is important, and how to use it with practical examples.
  • What are the difference between a function and a method in C# ?Aug 21, 2025. Understanding the difference between a function and a method is crucial for every C# developer. While both perform operations and return results, their usage and context differ. In this article, we’ll explore the distinctions with examples, explain when to use each, and compare them with Java for better clarity.
  • App Distribution Options in the SharePoint App Catalog: A Complete OverviewAug 20, 2025. Learn how to upload and distribute custom apps in SharePoint App Catalog. Explore options for SharePoint, Office, and managing user requests to streamline app deployment, access, and organizational control.
  • CSS Basics: Styling, Layouts, and Responsive DesignAug 19, 2025. CSS (Cascading Style Sheets) is used to style and design web pages. It enhances appearance with colors, layouts, and animations, ensures responsive design, separates content from styling, and saves time with reusable code.
  • JavaScript Learning Path (0 → Hero in 10 Chapters) | Learn JavaScript from Basics to AdvancedAug 19, 2025. Learn JavaScript from zero to advanced with this complete guide. Covers variables, data types, functions, loops, DOM, events, async JS, ES6+, OOP, browser APIs, and hands-on projects for real-world web development.
  • Master C# from Basics to Advanced | Complete C# Learning Path with Algorithms & Real-World SkillsAug 17, 2025. Learn C# step by step! From basics to advanced concepts with 20+ algorithms, OOP, LINQ, async, desktop & web app development.
  • Mastering React: From Basics to Advanced ConceptsAug 12, 2025. Mastering React: From Basics to Advanced Concepts . Detailed explanation of each foundational topics.
  • How do Neural Networks Work?Aug 07, 2025. Learn how neural networks work, how they mimic the human brain, and how they power AI tools like ChatGPT and image recognition systems. Includes real-world analogies and beginner-friendly code.
  • What are the data types in JavaScript?Aug 07, 2025. This article offers a beginner-to-advanced explanation of JavaScript data types, covering primitives, objects, dynamic typing, and best practices with code examples. Learn how JavaScript handles data under the hood and avoid common pitfalls when working with variable types.
  • What is JavaScript?Aug 07, 2025. Discover what JavaScript is, why it’s essential in modern web development, and how it powers the dynamic behavior of websites. A complete beginner-friendly guide with examples and practical insights.
  • What are the basic datatypes supported in C? Aug 06, 2025. Learn about the basic data types in C programming including int, float, char, double, and void. Understand their sizes, ranges, and usage with practical examples to build a strong foundation in C.
  • Selenium WebDriver OverviewAug 05, 2025. Selenium WebDriver is a powerful tool for automating web browser interactions. It enables cross-browser testing, supports multiple languages, and is essential for robust and scalable test automation frameworks.
  • 10 Developer Skills You Can LearnAug 05, 2025. Discover weekend-friendly tech skills that offer long-term payoffs. Learn what to master fast—from Git to Regular Expressions—and get ahead as a software developer.
  • What is C#? What are its key features?Aug 04, 2025. A beginner-friendly yet comprehensive guide to C#, covering its origins, core features, and why it remains one of the most popular programming languages for software development in 2025 — with code examples and practical tips.
  • RESTful APIs Cheatsheet – A Detailed GuideAug 01, 2025. This RESTful API cheatsheet offers developers a quick reference guide covering core concepts, HTTP methods, best practices, and advanced topics like security, versioning, caching, and error handling for efficient API design.
  • What is the Difference Between a Coin and a Token in Crypto?Jul 31, 2025. Learn the key differences between crypto coins and tokens, how they work, their use cases, and which one is better for investment. A complete guide for beginners and investors.
  • What are Value Types vs Reference Types in C#?Jul 31, 2025. Learn the difference between value types and reference types in C#. This complete guide breaks down memory allocation, performance, behavior, and code examples to help you master both.
  • What is the Basic Behavior of a MonoBehaviour Script in UnityJul 30, 2025. MonoBehaviour is Unity's base class for all scripts attached to GameObjects. It enables lifecycle methods like Start(), Update(), and FixedUpdate(), essential for building interactive gameplay and behaviors.
  • C# Cheatsheet – A Complete Guide for BeginnersJul 29, 2025. This C# cheatsheet offers a quick guide to key concepts, syntax, and examples from basics like variables and loops to advanced topics like LINQ, async/await, delegates, and more. Perfect for quick revision.