https://tehguide.com/ 2026-04-06T17:59:36+00:00 https://tehguide.com/ https://tehguide.com/_media/favicon.ico text/html 2026-03-30T20:32:48+00:00 Roman Sheydvasser (rsheyd@undisclosed.example.com) https://tehguide.com/datadog?rev=1774902768&do=diff Datadog is a SaaS-based observability platform that provides monitoring and analytics for applications and infrastructure. Datadog Skills Matrix This table organizes Datadog topics by priority level—core, common, and specialized—to reflect their relative importance and expected familiarity across teams. It provides a shared reference for understanding which Datadog areas are foundational versus more advanced or niche. text/html 2026-01-26T19:42:23+00:00 Roman Sheydvasser (rsheyd@undisclosed.example.com) https://tehguide.com/whatsapp?rev=1769456543&do=diff WhatsApp WhatsApp is a freeware, cross-platform, centralized instant messaging and voice-over-IP service owned by United States tech conglomerate Meta Platforms [wikipedia]. How to create a WhatsApp group with a single participant? As of Sept 5, 2023, there's no way to create a group chat without adding a 2nd participant (1st participant being yourself) when you create a new group. text/html 2026-01-15T11:23:26+00:00 Roman Sheydvasser (rsheyd@undisclosed.example.com) https://tehguide.com/chatgpt?rev=1768476206&do=diff ChatGPT ChatGPT is an amazing LLM-based chatbot. In a lot of ways, it’s a glorified internet search engine, with very good natural language processing and writing skills. * How ChatGPT Works * Other Chatbots Like ChatGPT * Using ChatGPT as a Pseudo DB Biggest Advance Since Google In my opinion, the 3 biggest increases to an individual's potential power in the last 40 years, were the following inventions: text/html 2026-01-01T22:55:25+00:00 Roman Sheydvasser (rsheyd@undisclosed.example.com) https://tehguide.com/little-purity?rev=1767308125&do=diff Little Purity in a diner in Park Slope. Menu This is their menu, as of Jan 1, 2026. BREAKFAST TWO EGGS ANY STYLE Served with potatoes and toast * With ham, bacon or sausage — $6.25 * With turkey bacon, Canadian bacon or beef sausage — $8.25 text/html 2026-01-01T22:55:04+00:00 Roman Sheydvasser (rsheyd@undisclosed.example.com) https://tehguide.com/home?rev=1767308104&do=diff This wiki strives to be a guide to everything, but will probably end up a repository of random information Roman writes on the internet. About Teh Guide. 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