Eric Koyanagi's Software Engineering Bloghttps://articles.erickoyanagi.com/https://articles.erickoyanagi.com/posts/calculating-revenue-differences-mysql/https://articles.erickoyanagi.com/posts/calculating-revenue-differences-mysql/Sometimes you need to roll reports in SQL the old fashion way. Let's talk bucketing data! It's buckets of fun...and data.Fri, 26 Apr 2024 00:00:00 GMThttps://articles.erickoyanagi.com/posts/history-of-nueral-nets/https://articles.erickoyanagi.com/posts/history-of-nueral-nets/Most engineers know stories about the nueral nets of old. Some of them are even true!Mon, 10 Feb 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/is-it-okay-to-steal-wordpress-plugins/https://articles.erickoyanagi.com/posts/is-it-okay-to-steal-wordpress-plugins/We've all been there. Some plugin is pesting you about a renewal, and you can't afford it. What happens if you keep using the plugin and refuse to pay? Is it illegal?Sun, 20 Apr 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/vibe-coding-is-magic/https://articles.erickoyanagi.com/posts/vibe-coding-is-magic/When AI spits out code that works, it feels like magic. Just like magic in reality, it's all sleight of hand and illusion.Sun, 09 Mar 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/enterprise-wordpress/data-migration-wordpress/https://articles.erickoyanagi.com/posts/enterprise-wordpress/data-migration-wordpress/Anyone can migrate a dump of wp_posts, but what about when things get more complicated?Fri, 12 Sep 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/enterprise-wordpress/enterprise-wp-summary/https://articles.erickoyanagi.com/posts/enterprise-wordpress/enterprise-wp-summary/We'll talk about infra (meh, breifly), congratulate ourselves for doing very little, and talk about other stuff we could add!Fri, 12 Sep 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/enterprise-wordpress/intro/https://articles.erickoyanagi.com/posts/enterprise-wordpress/intro/Marketing sites can be a lot more complicating than they might sound, especially for enterprises. Let's explore how it's done right. WordPress doesn't have to equal WordMess.Fri, 12 Sep 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/enterprise-wordpress/react-and-sage-wordpress/https://articles.erickoyanagi.com/posts/enterprise-wordpress/react-and-sage-wordpress/It's the future, and we ought to be able to use modern front-ends in WordPress. Good news. We can.Fri, 12 Sep 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/enterprise-wordpress/structure-and-components/https://articles.erickoyanagi.com/posts/enterprise-wordpress/structure-and-components/It's one thing to copy-paste code blindly. It's another to think about how you really want to structure things. Let's do both!Fri, 12 Sep 2025 00:00:00 GMThttps://articles.erickoyanagi.com/posts/enterprise-wordpress/why-sage/https://articles.erickoyanagi.com/posts/enterprise-wordpress/why-sage/The way you structure WordPress matters. Sage does it better than classic themes, and we're going to talk about why.Fri, 12 Sep 2025 00:00:00 GMT