SKSWAPNIL KATHALEingenai-swapnilk.hashnode.dev·Jul 1 · 8 min readBehind the Magic Work: How ChatGPT Actually Understands Your Questions?We use ChatGPT every single day. Whether you are debugging a tricky piece of JavaScript, writing an email, or just trying to understand how black holes work, you type a prompt -> hit enter -> and boom00
SKSWAPNIL KATHALEinmobile-dev-swapnilk.hashnode.dev·Jun 3 · 8 min readExpo Router vs React Navigation: Which One Should You Use in 2026?Jab hum mobile app development seekhna shuru karte hain, toh humara poora focus UI par hota hai—ek badhiya button bana diya, mast animations daal diye, aur API se data fetch kar liya. Lekin jaise hi a00
SKSWAPNIL KATHALEinmobile-dev-swapnilk.hashnode.dev·Jun 3 · 7 min readHow Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo RouterAapne ek na ek baar zaroor socha hoga: "Yeh Instagram, WhatsApp, ya Uber itne smooth kaise chalte hain? Inka codebase kaisa dikhta hoga?" UI clone banana aasan hai, but Production Engineering aur arc00
SKSWAPNIL KATHALEinmobile-dev-swapnilk.hashnode.dev·May 31 · 5 min readHow Instagram Stores Reels, Photos, and Drafts Behind the Scenes⁉️Kabhi socha hai ki jab aap ek 60-second ki high-quality Reel record karte ho, us par filters lagate ho, aur fir "Save Draft" karke app band kar dete ho, toh woh kahan jati hai? Aur jab upload karte 00
SKSWAPNIL KATHALEinmobile-dev-swapnilk.hashnode.dev·May 31 · 5 min readHow WhatsApp Works Without Internet: Offline Messaging and Sync ExplainedImagine karo: Aap metro mein ho, internet connection bilkul zero hai (Airplane mode on). Aapne WhatsApp khola, apne dost ko ek message type kiya aur 'Send' daba diya. Message turant chat screen par di00
