--- title: "Nathan Kallman (@kallmanation) | Hashnode" description: "Following Jesus; Husband; Father; Tinkerer. Read the latest articles by Nathan Kallman on Hashnode." url: "https://hashnode.com/@kallmanation" --- @kallmanation # Nathan Kallman @kallmanation · Grand Rapids, MI · Joined July 2021 Following Jesus; Husband; Father; Tinkerer [Website](https://bio.link/klmntn) ### [Swagger Codegen and Multiple Tags](https://www.kallmanation.com/swagger-codegen-and-multiple-tags?utm_source=hashnode&utm_medium=feed) Proving ChatGPT wrong with EVIDENCE. Making better decisions knowing ChatGPT was wrong about what happens in Swagger Codegen with multiple Tags. 2 min read · [kallmanation.com](https://www.kallmanation.com/swagger-codegen-and-multiple-tags?utm_source=hashnode&utm_medium=feed) [Feb 9](https://hashnode.com/posts/swagger-codegen-and-multiple-tags/6989f1230eb633e40942796b) ### [Has AI Taken My Job Yet?](https://www.kallmanation.com/has-ai-taken-my-job-yet?utm_source=hashnode&utm_medium=feed) Universal Libraries, The Internet, and Generative AI 7 min read · [kallmanation.com](https://www.kallmanation.com/has-ai-taken-my-job-yet?utm_source=hashnode&utm_medium=feed) [6](https://hashnode.com/posts/has-ai-taken-my-job-yet/650a04c9956b28b53cba6663) [Sep 19, 2023](https://hashnode.com/posts/has-ai-taken-my-job-yet/650a04c9956b28b53cba6663) ### [Double-entry Bookkeeping for Programmers](https://www.kallmanation.com/double-entry-bookkeeping-for-programmers?utm_source=hashnode&utm_medium=feed) This is the article I wished existed when I needed to support accounting functions. Double-entry Bookkeeping may seem esoteric and unnecessarily complicated, but actually describes a simple framework for maintaining a correctible and auditable record... 10 min read · [kallmanation.com](https://www.kallmanation.com/double-entry-bookkeeping-for-programmers?utm_source=hashnode&utm_medium=feed) [May 30, 2022](https://hashnode.com/posts/double-entry-bookkeeping-for-programmers/6294a69822c65adc00272274) ### [Hot Swapping Data Models](https://www.kallmanation.com/hot-swapping-data-models?utm_source=hashnode&utm_medium=feed) How to Change Databases without Downtime 5 min read · [kallmanation.com](https://www.kallmanation.com/hot-swapping-data-models?utm_source=hashnode&utm_medium=feed) [May 13, 2022](https://hashnode.com/posts/hot-swapping-data-models/627eb99455afbae29a623460) ### [Attracting & Retaining in a Boring Industry](https://www.kallmanation.com/attracting-and-retaining-in-a-boring-industry?utm_source=hashnode&utm_medium=feed) Impossible task? Or self-sabotaged, self-fulfilling prophecy. I've worked in claims within insurance for years and I'll tell you why... 5 min read · [kallmanation.com](https://www.kallmanation.com/attracting-and-retaining-in-a-boring-industry?utm_source=hashnode&utm_medium=feed) [May 10, 2022](https://hashnode.com/posts/attracting-and-retaining-in-a-boring-industry/627a5809499b01a6052520e4)