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Deep technical write-ups and implementation code written by systems engineers and researchers.

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Tokio Under the Hood: Building Rust's High-Performance Async Runtime
rust
July 7, 2026

Tokio Under the Hood: Building Rust's High-Performance Async Runtime

Discover how Tokio powers Rust's asynchronous ecosystem from the inside out. Learn how async functions become state machines, how futures are polled, how the scheduler, reactor, and waker system work together, and how Tokio leverages epoll, kqueue, and IOCP to efficiently handle millions of concurrent tasks with minimal threads.

Amarjit Singh
Amarjit Singh
18 min read
Rust: Building High-Performance Systems Software
rust
July 6, 2026

Rust: Building High-Performance Systems Software

A comprehensive introduction to Rust's core concepts—including ownership, borrowing, lifetimes, traits, concurrency, and Cargo—explaining how the language delivers memory safety, high performance, and zero-cost abstractions for modern systems programming.

Amarjit Singh
Amarjit Singh
9 min read
Networking in Cybersecurity: The Foundation of Digital Defense
cyber ai
July 8, 2026

Networking in Cybersecurity: The Foundation of Digital Defense

Learn the fundamentals of computer networking from a cybersecurity perspective. Explore the OSI and TCP/IP models, IP addressing, DNS, HTTP/HTTPS, routing, switching, firewalls, VPNs, network protocols, packet analysis, common cyber attacks, and essential tools like Wireshark and Nmap. This guide builds the networking knowledge every cybersecurity professional needs.

Amarjit Singh
Amarjit Singh
18 min read
Prompt Engineering for Production Systems
prompt engineering
June 25, 2026

Prompt Engineering for Production Systems

Learn how to move from dynamic prompt templates to structured JSON outputs, deterministic evaluations, and automated prompt tuning libraries like DSPy.

Amarjit Singh
Amarjit Singh
8 min read

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