Writing about development and technology.
Redirecting HTTP to HTTPS isn't enough to secure your users. You are still vulnerable to Man-in-the-Middle (MITM) attacks during that first split-second redirect. Learn how HSTS (HTTP Strict Transport Security) forces browsers to use HTTPS automatically, closing that critical security gap.
I found my website running inside an iframe on a shady domain. I dive deep into 6 essential security headers (HSTS, X-Frame-Options, CSP, Permissions-Policy, etc.) to stop Clickjacking and XSS, with implementation guides for Nginx and Next.js.
3 days after launch, our DB CPU spiked to 100%. Logs showed a SQL Injection attack. This is a war story of how we urgently deployed AWS WAF to block the attack. I also explain Positive vs Negative Security Models and the OWASP Core Rule Set (CRS).
You changed the code, saved it, but the browser does nothing. Tired of hitting F5 a million times? We dive into how HMR (Hot Module Replacement) works, why it breaks (circular dependencies, case sensitivity, etc.), and how to fix it so you can regain your development speed.
Why your server isn't hacked. From 'Packet Filtering' checking ports/IPs to AWS Security Groups. Evolution of Firewalls.
How to survive Apple App Store and Google Play reviews. Covering Privacy Manifests, In-App Purchase pitfalls, Copyright issues, and strategies leveraging the fact that 'Humans Review Your App'.
JSON is heavy, and REST is chatty. Enter gRPC, Google's answer to high-performance microservices communication. We explore the magic of Protocol Buffers serialization, the power of HTTP/2 multiplexing, and the four streaming patterns. We also cover the caveats: why gRPC is hard to use in browsers and how load balancing differs from HTTP/1.1.
When our service grew, migrating from MongoDB to PostgreSQL became inevitable. But our code was a spaghetti mess of business logic and database queries. I share my journey of adopting Hexagonal Architecture (Ports and Adapters) to decouple the core logic from external tools, turning a nightmare migration into a manageable task.
Without a Rate Limiter, your own users can accidentally DDOS your server. I compare core algorithms like Token Bucket, Leaky Bucket, and Sliding Window, and show how to implement a distributed Rate Limiter using Redis and Lua Scripts.
The evolution of web rendering. From PHP (MPA) to React (SPA), back to Next.js (SSR/SSG). Deep dive into hydration cost and Server Components.
I share how I hacked my friend's website with a single line of SQL Injection in high school. I explain the OWASP Top 10 vulnerabilities every developer must know allowing you to 'think like a hacker'. I focus on Injection, Broken Access Control (IDOR), Cryptographic Failures, and Security Misconfiguration.
Stop running `kubectl apply` manually. We explain GitOps, where Git becomes the Single Source of Truth for your infrastructure. Learn the difference between Push vs Pull deployments, how tools like ArgoCD automate synchronization, strategies for handling secrets in Git, and how to detect when someone manually changes your cluster configuration (Drift).
You added the file to .gitignore, but Git keeps tracking it. Is Git broken? No, you just missed the golden rule. We explain Git's tracking logic using a 'Club Blacklist' analogy and show you how to evict unwanted files using `git rm --cached` without deleting your local data.
It's 3 AM. You essentially just handed your AWS keys to every bot on the internet. Panicking and deleting the file won't save you because Git remembers everything. We walk through the specific steps to scrub sensitive data from history using `git reset`, how to apologize gracefully with `git revert`, and how `git reflog` can save you when you accidentally delete your work.
Passing a ref to a child component isn't as simple as passing a prop. We dive into why React throws warnings, how `forwardRef` acts as a tunnel for DOM access, and how `useImperativeHandle` allows you to expose a controlled API instead of the raw DOM node, enforcing better encapsulation.
Why direct DOM manipulation is slow. How Virtual DOM works (Diffing algorithm). React Fiber and incremental rendering explained.
React forms can get sluggish with just 50 inputs. Why? Because of global state re-renders. We explore the journey from a laggy `useState` monolith to a performant, uncontrolled component architecture using React Hook Form, discovering the power of isolation and debouncing along the way.
It paints pixels, not native widgets. We deconstruct Flutter's architecture, from the Skia/Impeller graphics engine to the Dart VM. Understand the mechanics of 'Hot Reload', compare it with React Native's bridge, and learn why its 'Everything is a Widget' philosophy is rigorous yet liberating.
Stop fearing Friday deploys. Feature Flags (or Toggles) allow you to push code to production while keeping it dormant. We explore the 4 categories of flags, how they enable Trunk-Based Development, the power of Canary Releases, and the critical importance of cleaning up stale flags to prevent technical debt.
Hardcoding secrets is a recipe for disaster. We explore the 12-Factor App methodology's take on configuration. From .env files in local dev to AWS Secrets Manager in production, learn how to manage environment variables securely across CI/CD pipelines and containerized orchestration systems.
