Polyglot Persistence: Using SQL and NoSQL Together in One Application
A practical framework for choosing between SQL and NoSQL databases based on your data shape and access patterns, not hype.
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How to Merge, Split, Scan, and Sign PDFs on Your Phone
Scanning, merging, splitting, signing, and compressing PDFs no longer requires a desktop. Here’s how to do each one from your phone, and where people get stuck.
Implementing Two-Factor Authentication in Web Applications
A hands-on guide to adding TOTP-based two-factor authentication to a web app, with full working code.
SQL Injection in ORMs: The Raw Query Traps Developers Still Fall Into
A clear, code-focused guide to understanding and preventing SQL injection across several languages and frameworks.
7 Simple Habits to Track Your Expenses and Actually Stick to a Budget
Most budgets fail within a month because tracking expenses is too much friction. Here are 7 habits that actually stick, and the app that makes them effortless.
API Gateway Security Patterns: Rate Limiting, mTLS, and Zero Trust for Microservices
A practical guide to securing REST APIs with JWTs, scopes, and rate limiting, including working middleware code.
How to Run Your Own OWASP Top 10 Security Audit: A Step-by-Step Checklist
A developer-focused walkthrough of the OWASP Top 10 web application security risks, with code examples showing vulnerable and fixed versions.
The Future of Developer Tooling
Developer tooling is shifting from passive utilities to active collaborators. Here’s where IDEs, build tools, and observability are headed next.
Cold Start Optimization for AWS Lambda: Provisioned Concurrency, SnapStart, and Language Choice
A practical comparison of serverless and traditional server architectures, with a working Lambda function example.
Docker Best Practices for Production-Ready Containers
Practical Dockerfile patterns for smaller, faster, and more secure production containers.