PDPiyush Deshmukhinpiyushdeshmukh.hashnode.dev·Feb 23 · 4 min readImplementing Refresh Token Logic in a MERN apptoday i finally implemented refresh tokens properly. i had known the concept for a while — access token expires fast, refresh token lives longer, rotate when needed. but knowing something conceptually00
PDPiyush Deshmukhinpiyushdeshmukh.hashnode.dev·Sep 14, 2025 · 5 min readDesign TinyURLIntroduction A URL Shortener service takes a long URL (like https://example.com/some/very/deep/path) and produces a much shorter alias (like https://short.ly/aBcD12). Users accessing the short URL are redirected to the original long URL. Examples inc...00
