A JavaScript reverse CSS selector

Posted on by David Vassallo

In plain Javascript, you can get a reference to a particular HTML element by using the querySelector method. For example: document.querySelector('div') Will give you a reference to the first "div" that's encountered in the page. Give it a try in DevTools Sample querySelector What if we want to do the reverse? That is, given an … Continue reading A JavaScript reverse CSS selector

Spring Data JPA: Emitting events on save() – Kotlin Edition

Posted on by David Vassallo
kotlin and spring boot

Scenario In a nutshell, we'd like to emit an event or take some custom action whenever a Spring Data JPA repository gets it's "save(...)" method called. Our criteria is to have minimal constraints set on other developers using this. In other words, we wouldn't like a solution where we create a new method or change … Continue reading Spring Data JPA: Emitting events on save() – Kotlin Edition