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🏗️ Deep Dive: Understanding Every Concept in Microsoft Entra API Onboarding for .NET Developers

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🗑️ Garbage Collection & Resource Management in .NET (C#) — Beginner Friendly Guide

When you start working with .NET and C#, one of the biggest advantages is that you don’t need to manually manage memory like in C or C++. The Garbage Collector (GC) does most of the work for you. But here’s the catch — not everything is managed automatically. Some resources like files, database connections, sockets, and native memory still need special handling. This blog will help you understand: ✔ How the GC works ✔ What are managed vs unmanaged resources ✔ The difference between Dispose , Finalize , and using ✔ The Dispose pattern with examples ✔ Best practices every C# developer should know 1) How Garbage Collection Works in .NET Managed resources → Normal .NET objects (string, List, etc.). GC frees them automatically. Unmanaged resources → External resources like file handles, database connections, sockets, native memory. GC cannot clean them up — you must do it. 👉 GC uses a Generational Model for performance: Gen 0 : Short-lived objects (local variables, t...
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☁️ Azure Key vault Short Notes

🟢 What is Azure Key Vault? A cloud service for securely storing and accessing secrets, keys, and certificates . Removes the need to keep secrets (like connection strings, passwords, API keys) inside code or config files. Provides centralized secret management, encryption, and access control . 👉 Think of it like a secure password manager but for your applications. 🟢 Key Features Secrets → store text values (e.g., DB connection string, API key). Keys → store cryptographic keys (RSA, EC) for encryption, signing. Certificates → store/manage SSL/TLS certificates. Access Control → Access Policies (older model). Azure RBAC (modern, preferred). Integration → works with App Service, Functions, AKS, VMs, SQL DB, etc. Logging → audit who accessed secrets via Azure Monitor / Diagnostic Logs. 🟢 Why Use Key Vault? Security → secrets are encrypted with HSM (Hardware Security Modules). Compliance → meet industry standards (PCI-DSS, ISO, GDPR). Automation → aut...
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