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How HTTP/2 and HTTP/3 Make the Web Faster (Without Changing Your Code)
Blog Summary
Your page needs dozens of files, and HTTP/1.1 fetched them through a handful of narrow pipes. HTTP/2 and HTTP/3 changed that: multiplexing, header compression, QUIC over UDP, and the head-of-line blocking problem explained simply.
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File Upload Security Mistakes in PHP Apps (and the Safe Laravel Way)
Blog Summary
An upload form lets a stranger put a file on your server. Five classic PHP upload mistakes, from trusting the MIME type to storing files in the web root, why each one is dangerous, and the safe Laravel approach.
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Content Delivery Networks: How a CDN Makes Your Site Faster (and How It Can Bite)
Blog Summary
Your server is in one city and your users are everywhere. A CDN moves copies of your files closer to them. How edge caching works, the Cache-Control headers that drive it, invalidation, images, security, and the mistake that leaks pages.
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Me vs CORS: A Love Story in Five Bad Ideas and One Good One
Blog Summary
Every developer's relationship with CORS goes through the same stages: denial, wildcards, browser flags and bargaining. Here are the bad ideas we all try, why they fail, and the boring fix that actually works.
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OAuth 2.0 Explained Without the Jargon: The Valet Key Guide
Blog Summary
OAuth is a valet key for your data: it lets an app park the car without reading your mail. The authorization code flow with PKCE explained step by step, plus scopes, tokens and OAuth vs OpenID Connect.
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Securing a Laravel App: A Practical 12-Point Checklist Before You Go Live
Blog Summary
Laravel ships with strong security defaults, so apps get breached in boring ways: a debug flag, a mass-assignment slip, a missing ownership check. Here is the 12-point checklist I run before going live.
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01. About Shiroz
Mohammed Shiroz
Hi, I'm Mohammed Shiroz, a software engineer and AI enthusiast from Sri Lanka who turns ideas into intelligent, real-world solutions. With over 9 years of hands-on experience, I currently lead real estate ERP development at Kate Group, a...
02. Last Posts
03.My Projects
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