Virtual

Virtual Warehouses

Learn how Snowflake's virtual warehouses provide independently scalable compute clusters that are fully decoupled from storage.

What Is Elixir?

An introduction to Elixir, a functional, concurrent programming language built on the Erlang VM for building scalable and fault-tolerant applications.

Azure Virtual Machines

Azure Virtual Machines (VMs) provide on-demand, resizable compute as a service, letting you run Windows or Linux workloads in Microsoft's datacenters with full…

Azure Virtual Networks

Learn how Azure Virtual Networks (VNets) provide isolated, private IP address spaces for your cloud resources, and how peering and hybrid connectivity link the…

Virtual Environments and pip in Python

Isolating project dependencies with venv and managing packages with pip -- creation, activation, and requirements files.

Virtual DOM and Reconciliation

Understand how React's Virtual DOM and reconciliation algorithm efficiently update the real browser DOM.

Virtual Memory Concepts

The abstraction that gives each process its own address space, which can be larger than physical RAM.

Containers vs Virtual Machines

Compare how containers share the host OS kernel versus how VMs each run a full guest OS, and when to choose one over the other.

Virtual Machines in the Cloud

Learn how cloud virtual machines work, how to size them, and how on-demand, reserved, and spot pricing models trade off cost against reliability.

Virtual Private Cloud (VPC)

Understand how a VPC isolates your network in the cloud, and how to design public and private subnets using CIDR blocks.

Containers vs Virtual Machines

A technical comparison of containers and virtual machines covering architecture, resource usage, startup time, isolation strength, and typical use cases.

Polymorphism Explained

See how C# achieves polymorphism through virtual method dispatch, interface implementations, and method/operator overloading, letting one code path handle many…

Java Virtual Threads (Project Loom) Cheat Sheet

Creating and managing virtual threads, structured concurrency, and pitfalls like pinning, for writing simple blocking-style concurrent Java code at scale.