--- title: "#tech-explained articles | Hashnode" description: "Explore 4 articles tagged #tech-explained on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/tech-explained" --- Tag # #tech-explained 4 posts · 0 followers [Luís Santos](https://hashnode.com/@lmsantos) · [Jul 26](https://hashnode.com/posts/why-is-it-called-utl-i18n-the-numeronyms-hidden-in-tech/6a6557a7fdc636b236cf6040) ### [Why Is It Called UTL\_I18N? The Numeronyms Hidden in Tech](https://lslabsessions.hashnode.dev/why-is-it-called-utl-i18n-the-numeronyms-hidden-in-tech?utm_source=hashnode&utm_medium=feed) Not every developer article needs to be a deep dive. Sometimes, a quick fun fact is enough—especially when it connects Oracle Database, internationalization, accessibility, and Kubernetes. 5 min read · [lslabsessions.hashnode.dev](https://lslabsessions.hashnode.dev/why-is-it-called-utl-i18n-the-numeronyms-hidden-in-tech?utm_source=hashnode&utm_medium=feed) [Lakshay Dhoundiyal](https://hashnode.com/@LakshayDhoundiyal) · [Jul 15](https://hashnode.com/posts/how-whatsapp-stores-billions-of-messages/6a57b652d4ec0c60c2179385) ### [How WhatsApp Stores, Deletes, and Protects Billions of Messages?](https://lakshaydhoundiyal.hashnode.dev/how-whatsapp-stores-billions-of-messages?utm_source=hashnode&utm_medium=feed) From your phone's local database to encrypted servers, deleted chats, media folders, digital forensics, and the engineering behind one of the world's largest messaging platforms. 8 min read · [lakshaydhoundiyal.hashnode.dev](https://lakshaydhoundiyal.hashnode.dev/how-whatsapp-stores-billions-of-messages?utm_source=hashnode&utm_medium=feed) [Suriya Ganesh V](https://hashnode.com/@suriyastack) · [Jul 8](https://hashnode.com/posts/from-chef-to-screen-demystifying-ai-streaming-in-plain-english/6a4e842c4f70e7730e6eabdd) ### [From Chef to Screen: Demystifying AI Streaming in Plain English](https://suriyastack.hashnode.dev/from-chef-to-screen-demystifying-ai-streaming-in-plain-english?utm_source=hashnode&utm_medium=feed) Learn the simple web tech behind AI streaming. Find out why platforms choose Server-Sent Events (SSE) over WebSockets to deliver fast answers. 4 min read · [suriyastack.hashnode.dev](https://suriyastack.hashnode.dev/from-chef-to-screen-demystifying-ai-streaming-in-plain-english?utm_source=hashnode&utm_medium=feed) [Saif Sahriar](https://hashnode.com/@saifsahriar) · [Dec 19, 2023](https://hashnode.com/posts/access-and-refresh-tokens/6581cbadfd748f43c0f137a5) ### [What are Access Tokens and Refresh Tokens?](https://saifsahriar.hashnode.dev/access-and-refresh-tokens?utm_source=hashnode&utm_medium=feed) In the ever-evolving landscape of web applications and APIs, security is of paramount importance. Access and refresh tokens are crucial in ensuring secure and seamless communication between clients and servers. This blog aims to comprehensively under... 3 min read · [saifsahriar.hashnode.dev](https://saifsahriar.hashnode.dev/access-and-refresh-tokens?utm_source=hashnode&utm_medium=feed)