KPKIRAN PKinblog.kiranpk.dev·Mar 11 · 7 min readFile Signature: How Systems Actually Detect File TypesMost people assume the file extension tells the system what type of file it is. It's an intuitive assumption — .png means image, .pdf means document, .exe means executable. At first glance, this seems00
KPKIRAN PKinblog.kiranpk.dev·May 1, 2025 · 8 min readConcurrency in Practice - A Job Claiming System That WorksConcurrency issues don’t always show up during development—they usually surface when multiple users interact with your system simultaneously. For small-scale applications, this might not even be a concern. But if you’re a developer curious about how ...00
KPKIRAN PKinblog.kiranpk.dev·Nov 11, 2024 · 3 min readA Guide to Handling Numeric Input in Go: Base Interpretation Mistakes to AvoidThe Problem: Unexpected Behaviour with Leading Zeros Recently, while working on a Go program that reverses an integer input, I encountered an unexpected issue: input values with leading zeros produced incorrect results. For example, entering 0123 ret...00
KPKIRAN PKinblog.kiranpk.dev·Jan 5, 2024 · 3 min readHow I build a whatsapp campaign internal toolIntroduction: Campaign management is a critical aspect of any organisation's outreach strategy, and an effective scheduling and execution system can significantly enhance its success. Previously we used to run manual scripts using freshchat apis, whi...00
KPKIRAN PKinblog.kiranpk.dev·Sep 19, 2023 · 4 min readHow to Implement a Simple Cache Invalidation System in Vue.jsBefore we delve into the mechanics of cache invalidation, let's clarify what caching is. A cache, often referred to as a web cache, is a technology designed to store copies of web content, such as web pages, images, and other resources, closer to end...00
