Rashedur Rahman
@khrasedul_dev
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Web and automation developer
Dhaka, Bangladesh
Joined June 2023
๐ก net.Socket has a hidden buffer ๐ฏ Control data flow precisely ๐Monitor memory usage in real-time ๐Prevent backpressure issues Use case: High-throughput servers, real-time data processing #NodeJS #JavaScript #Networking #Backend #Performance
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โก process.hrtime.bigint() - Nano-second Precision โฑ๏ธ Nanosecond precision (not milliseconds!) ๐Perfect for benchmarking ๐No floating-point issues Use case: Micro-optimizations, performance profiling, and real-time systems where every nanosecond counts! #NodeJS #JavaScript
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๐ฎ Node.js - util.inspect.custom for Debug Magic โจ Customize console.log output ๐จPretty-print complex objects ๐Better debugging experience #NodeJS #JavaScript #Debugging #DeveloperTools #Programming
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๐ฆ Module._cache for Hot Reloading โป๏ธ Implement live code reloading ๐Debug module loading issues ๐งนForce 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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๐ฏ Node.js - AsyncLocalStorage for Request Context ๐ Track data across async boundaries ๐Perfect for logging, tracing, auth ๐ซNo more passing context manually #NodeJS #JavaScript #AsyncProgramming #WebDevelopment #Backend
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๐ Node.js Create Internal Aliases in package.json โจ No more ../../../ path hell ๐ Clean, consistent imports ๐ฏ Works with both ES modules & CommonJS #NodeJS #JavaScript #WebDevelopment #CodingTips #Programming
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๐ Node.js Module - Engine Internals Exposed ๐ง Debug memory issues โกFaster serialization for IPC/caching ๐Monitor 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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๐ Node.js The Hidden process.binding() ๐ซ Not for production! ๐ง Debugging & learning only ๐ก 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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โก Node.js Secret #3: Custom File Extensions in require() ๐ ๏ธ Add support for .yaml, .xml, .csv files โก Extend Node's module system โ ๏ธ Advanced feature - use carefully #NodeJS #JavaScript #CodingTips #WebDevelopment #Programming
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๐ง Node.js - Buffer.allocUnsafe() - Fast but Dangerous! โ ๏ธ allocUnsafe() doesn't zero-fill memory โก It's faster for non-sensitive operations ๐ Always overwrite if storing secrets #NodeJS #Security #JavaScript #Programming #DevTips
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๐ NodeJS - Detect direct execution โ
Dual-purpose files (CLI + module) โ
Smart script setup โ
Built-in feature #NodeJS #JavaScript #CodingTip #WebDev
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๐ Node.js Tip: Use Streaming Responses! Use cases: โข AI token streaming โข Large file outputs โข Logs & analytics Real-time dashboardsStreaming = performance superpower โก #Nodejs #Javascript #Backend #WebDev #API #Streaming
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๐ฅ Most underrated React tip You can use useMemo to cache functions, not just values โ
Keeps API or handler functions stable โ
Reduces unnecessary re-renders โ
Cleaner than using useCallback everywhere ๐ก Small trick, huge impact #React #JavaScript #Web #DevTips #Frontend
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๐ก Fix TypeScript + Express Errors FAST Small package โ big developer productivity boost! ๐ปโจ No more TS complaints. Tiny install, huge win. ๐ #TypeScript #ExpressJS #NodeJS #WebDevelopment #JavaScript #CodingTips #DeveloperLife #Programming #FullStack #CleanCode
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๐ Local TTS - based on Kokoro tts Highlights: โข 50+ voices, 10+ languages โข CPU Based and GPU acceleration โข Pitch control Perfect for creators, automation, accessibility & language learning. Try it here ๐ https://t.co/FpT8xpk6Uy
#Python #LocalAI #TTS #OpenSource
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Swagger + Node.js feels best with a clean structure ๐ server.js ๐ swagger.js ๐ routes/*.js ๐ 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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Context matters. ๐ง 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. โก #LlamaCpp #NodeJS #AI #LLM #JavaScript
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๐ฅ Running local LLMs in Node.js just got EASY! Been using llama-cpp-node โ super lightweight, offline, and insanely fast. Thatโs literally it. No APIs. No costs. 100% local. ๐ง โก #NodeJS #AI #LlamaCpp #LLM #JavaScript #OpenSource
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๐ 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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Dropped a new npm package: jsdiscordbot โก A clean, modern framework for building Discord bots with scenes + sessions. #NodeJS #Discord #JavaScript #Bots #npm
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