--- title: "César G. Guzmán Flores (@cesarggf) | Hashnode" description: "Computer system engineering, software architecture, development and maintenance while drinking coffee" url: "https://hashnode.com/@cesarggf" --- @cesarggf # César G. Guzmán Flores @cesarggf · Ensenada, BC, México · Joined March 2021 Computer system engineering, software architecture, development and maintenance while drinking coffee ### [Turns out the boring B2B idea beats the SaaS idea (a data-driven detour)](https://codeovercoffe.hashnode.dev/turns-out-the-boring-b2b-idea-beats-the-saas-idea-a-data-driven-detour?utm_source=hashnode&utm_medium=feed) INEGI data shows 76% of Mexican SMEs aren't digital. I used it to validate a boring B2B automation idea over another SaaS bet. 3 min read · [codeovercoffe.hashnode.dev](https://codeovercoffe.hashnode.dev/turns-out-the-boring-b2b-idea-beats-the-saas-idea-a-data-driven-detour?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/turns-out-the-boring-b2b-idea-beats-the-saas-idea-a-data-driven-detour/6a533296341110706ceb263d) [Jul 12](https://hashnode.com/posts/turns-out-the-boring-b2b-idea-beats-the-saas-idea-a-data-driven-detour/6a533296341110706ceb263d) ### [CLAUDE.md, Skills, Hooks, Subagents and MCP — I Finally Get the Difference](https://codeovercoffe.hashnode.dev/claude-md-skills-hooks-subagents-and-mcp-i-finally-get-the-difference?utm_source=hashnode&utm_medium=feed) Learn the difference between CLAUDE.md, Skills, Hooks, Subagents and MCP Servers in Claude Code — and when to use each. 3 min read · [codeovercoffe.hashnode.dev](https://codeovercoffe.hashnode.dev/claude-md-skills-hooks-subagents-and-mcp-i-finally-get-the-difference?utm_source=hashnode&utm_medium=feed) [Jun 24](https://hashnode.com/posts/claude-md-skills-hooks-subagents-and-mcp-i-finally-get-the-difference/6a3b4e3446aa1aee7f83c264) ### [Single Sign On(SSO)](https://codeovercoffe.hashnode.dev/single-sign-onsso?utm_source=hashnode&utm_medium=feed) Integrating Azure Single Sign-On with Spring Framework 6: A Step-by-Step Guide 4 min read · [codeovercoffe.hashnode.dev](https://codeovercoffe.hashnode.dev/single-sign-onsso?utm_source=hashnode&utm_medium=feed) [Feb 13, 2023](https://hashnode.com/posts/single-sign-onsso/63e9cbd7df837570fba9cd91) ### [Is your PC spending too much electricity?](https://codeovercoffe.hashnode.dev/is-your-pc-spending-too-much-electricity?utm_source=hashnode&utm_medium=feed) Few days ago I had the necessity to get the most out of my processor, what I needed at that moment was higher speed peer core, so I investigated a little about overclocking and finally I was able to increase from 3.6 GHz to 4.1 GHz all cores 🦾, (not... 2 min read · [codeovercoffe.hashnode.dev](https://codeovercoffe.hashnode.dev/is-your-pc-spending-too-much-electricity?utm_source=hashnode&utm_medium=feed) [Jun 7, 2021](https://hashnode.com/posts/is-your-pc-spending-too-much-electricity/60bd764ffffc4c13b9cd857f) ### [Documenting software is a waste of time?](https://codeovercoffe.hashnode.dev/documenting-software-is-a-waste-of-time?utm_source=hashnode&utm_medium=feed) I heard from young guys that documenting software is a boring task, and some even say it's a waste of time, and I agree that some times is boring, and few years ago I thought the same, I didn't like to write documents and I used to complains about it... 2 min read · [codeovercoffe.hashnode.dev](https://codeovercoffe.hashnode.dev/documenting-software-is-a-waste-of-time?utm_source=hashnode&utm_medium=feed) [Apr 2, 2021](https://hashnode.com/posts/documenting-software-is-a-waste-of-time/6067498e43f7713266914373)