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
SKSWAPNIL KATHALEinweb-dev-cohort-26.hashnode.dev·May 10 · 5 min readREST API Design Made Simple with Express.jsaaj hum samjhenge ki Client aur Server aapas mein baat kaise karte hain, Resources kya hote hain, aur standard HTTP methods ka sahi use karke Express.js mein properly routes kaise banaye jate hain. Bi00
