Building an IoT Data Pipeline: From MQTT to Time-Series Database and Dashboards
A practical overview of IoT architecture patterns, protocols, and a working MQTT example for connecting devices to the cloud.
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Post-Quantum Cryptography: Preparing Your Applications for the Quantum Threat
A software-engineer-friendly primer on quantum computing concepts, with a runnable example using Qiskit.
How to Calculate Your CGPA: A Step-by-Step Guide for Students
CGPA calculations trip up more students than they should — credit-hour weighting, linear grading scales, and predicting future GPA all cause real confusion. Here’s how it actually works.
Building a Global Edge Cache Layer: Cloudflare Workers, KV, and Smart Invalidation
A practical look at edge computing architecture, when it’s worth adopting, and a working example of edge function deployment.
Running WebAssembly Outside the Browser: WASI and Serverless Wasm Runtimes
An introduction to WebAssembly, why it matters, and a working example of compiling and running Rust code in the browser.
How to Write an ATS-Friendly Resume That Actually Gets Seen
Most resumes are screened by software before a human ever sees them. Here’s what commonly gets a resume filtered out by an ATS, and how to avoid it.
Getting Started with Redis for Caching and Real-Time Data
A practical guide to using Redis for caching, session storage, and real-time features, with working code examples.
Building a Data Pipeline with Python and Apache Airflow
A practical walkthrough of building a scheduled ETL pipeline with Apache Airflow, including a complete working DAG.
How Small Retailers Can Digitize Their Shop Ledger and Stop Losing Money
Paper ledgers cost small retailers real money through lost pages, missed reminders, and stockouts. Here’s what digitizing actually fixes, and how to do it painlessly.
PostgreSQL Performance Tuning: Indexes, Queries, and EXPLAIN ANALYZE
A hands-on guide to diagnosing and fixing slow PostgreSQL queries using EXPLAIN ANALYZE and proper indexing.