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Rashedur Rahman Profile
Rashedur Rahman

@khrasedul_dev

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Web and automation developer

Dhaka, Bangladesh
Joined June 2023
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@khrasedul_dev
Rashedur Rahman
4 hours
๐Ÿ“ก net.Socket has a hidden buffer ๐ŸŽฏ Control data flow precisely ๐Ÿ“ŠMonitor memory usage in real-time ๐Ÿ”„Prevent backpressure issues Use case: High-throughput servers, real-time data processing #NodeJS #JavaScript #Networking #Backend #Performance
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@khrasedul_dev
Rashedur Rahman
3 days
โšก process.hrtime.bigint() - Nano-second Precision โฑ๏ธ Nanosecond precision (not milliseconds!) ๐Ÿ“ŠPerfect for benchmarking ๐Ÿš€No floating-point issues Use case: Micro-optimizations, performance profiling, and real-time systems where every nanosecond counts! #NodeJS #JavaScript
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@khrasedul_dev
Rashedur Rahman
3 days
๐Ÿ”ฎ Node.js - util.inspect.custom for Debug Magic โœจ Customize console.log output ๐ŸŽจPretty-print complex objects ๐Ÿ›Better debugging experience #NodeJS #JavaScript #Debugging #DeveloperTools #Programming
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@khrasedul_dev
Rashedur Rahman
4 days
๐Ÿ“ฆ Module._cache for Hot Reloading โ™ป๏ธ Implement live code reloading ๐Ÿ”Debug module loading issues ๐ŸงนForce fresh module imports Use case: Development tools, testing, or custom hot-reload systems. Be careful in production! #NodeJS #JavaScript #DeveloperTools #CodingTips #WebDev
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@khrasedul_dev
Rashedur Rahman
4 days
๐ŸŽฏ Node.js - AsyncLocalStorage for Request Context ๐Ÿ”„ Track data across async boundaries ๐Ÿ”Perfect for logging, tracing, auth ๐ŸšซNo more passing context manually #NodeJS #JavaScript #AsyncProgramming #WebDevelopment #Backend
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@khrasedul_dev
Rashedur Rahman
7 days
๐ŸŒ‰ Node.js Create Internal Aliases in package.json โœจ No more ../../../ path hell ๐Ÿ“ Clean, consistent imports ๐ŸŽฏ Works with both ES modules & CommonJS #NodeJS #JavaScript #WebDevelopment #CodingTips #Programming
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@khrasedul_dev
Rashedur Rahman
8 days
๐Ÿ“Š Node.js Module - Engine Internals Exposed ๐Ÿ”ง Debug memory issues โšกFaster serialization for IPC/caching ๐Ÿ“ˆMonitor your app's V8 engine Use case: Performance-sensitive data transfer between processes or detailed memory profiling. #NodeJS #JavaScript #Performance #V8Engine
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@khrasedul_dev
Rashedur Rahman
9 days
๐Ÿ” Node.js The Hidden process.binding() ๐Ÿšซ Not for production! ๐Ÿ”ง Debugging & learning only ๐Ÿ’ก Powers Node's core modules Why know this? Understand how Node.js really works under the hood. Most built-in modules use these bindings! #NodeJS #JavaScript #Programming #Debugging
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@khrasedul_dev
Rashedur Rahman
10 days
โšก Node.js Secret #3: Custom File Extensions in require() ๐Ÿ› ๏ธ Add support for .yaml, .xml, .csv files โšก Extend Node's module system โš ๏ธ Advanced feature - use carefully #NodeJS #JavaScript #CodingTips #WebDevelopment #Programming
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@khrasedul_dev
Rashedur Rahman
11 days
๐Ÿง  Node.js - Buffer.allocUnsafe() - Fast but Dangerous! โš ๏ธ allocUnsafe() doesn't zero-fill memory โšก It's faster for non-sensitive operations ๐Ÿ”’ Always overwrite if storing secrets #NodeJS #Security #JavaScript #Programming #DevTips
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@khrasedul_dev
Rashedur Rahman
12 days
๐Ÿš€ NodeJS - Detect direct execution โœ… Dual-purpose files (CLI + module) โœ… Smart script setup โœ… Built-in feature #NodeJS #JavaScript #CodingTip #WebDev
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@khrasedul_dev
Rashedur Rahman
25 days
๐Ÿš€ Node.js Tip: Use Streaming Responses! Use cases: โ€ข AI token streaming โ€ข Large file outputs โ€ข Logs & analytics Real-time dashboardsStreaming = performance superpower โšก #Nodejs #Javascript #Backend #WebDev #API #Streaming
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@khrasedul_dev
Rashedur Rahman
28 days
๐Ÿ”ฅ Most underrated React tip You can use useMemo to cache functions, not just values โœ… Keeps API or handler functions stable โœ… Reduces unnecessary re-renders โœ… Cleaner than using useCallback everywhere ๐Ÿ’ก Small trick, huge impact #React #JavaScript #Web #DevTips #Frontend
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@khrasedul_dev
Rashedur Rahman
1 month
๐Ÿ’ก Fix TypeScript + Express Errors FAST Small package โ†’ big developer productivity boost! ๐Ÿ’ปโœจ No more TS complaints. Tiny install, huge win. ๐Ÿš€ #TypeScript #ExpressJS #NodeJS #WebDevelopment #JavaScript #CodingTips #DeveloperLife #Programming #FullStack #CleanCode
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@khrasedul_dev
Rashedur Rahman
1 month
๐Ÿš€ Local TTS - based on Kokoro tts Highlights: โ€ข 50+ voices, 10+ languages โ€ข CPU Based and GPU acceleration โ€ข Pitch control Perfect for creators, automation, accessibility & language learning. Try it here ๐Ÿ‘‡ https://t.co/FpT8xpk6Uy #Python #LocalAI #TTS #OpenSource
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@khrasedul_dev
Rashedur Rahman
1 month
Swagger + Node.js feels best with a clean structure ๐Ÿ“ server.js ๐Ÿ“ swagger.js ๐Ÿ“ routes/*.js ๐Ÿ“„ swagger.yaml Keeps everything neat & scalable. Run server โ†’ open /docs โ†’ enjoy live API docs. #NodeJS #Swagger #OpenAPI #Backend #ExpressJS
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@khrasedul_dev
Rashedur Rahman
1 month
Context matters. ๐Ÿง  Using llama-cpp-node, you can boost model accuracy just by increasing the context window. Longer memory = smarter offline AI. Super useful for chatbots & agents. โšก #LlamaCpp #NodeJS #AI #LLM #JavaScript
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@khrasedul_dev
Rashedur Rahman
1 month
๐Ÿ”ฅ Running local LLMs in Node.js just got EASY! Been using llama-cpp-node โ€” super lightweight, offline, and insanely fast. Thatโ€™s literally it. No APIs. No costs. 100% local. ๐Ÿง โšก #NodeJS #AI #LlamaCpp #LLM #JavaScript #OpenSource
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@khrasedul_dev
Rashedur Rahman
2 months
๐Ÿš€ Express + Zod = Clean API Validation โ†’ One small middleware โ†’ automatic validation โ†’ cleaner code โ†’ fewer bugs. Perfect for building reliable APIs in minutes. #NodeJS #ExpressJS #Zod #Backend #JavaScript #DevTips
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@khrasedul_dev
Rashedur Rahman
2 months
Dropped a new npm package: jsdiscordbot โšก A clean, modern framework for building Discord bots with scenes + sessions. #NodeJS #Discord #JavaScript #Bots #npm
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