Using jOOλ to Combine Several Java 8 Collectors into One

With Java 8 being mainstream now, people start using Streams for everything, even in cases where that's a bit exaggerated (a.k.a. completely nuts, if you were expecting a hyperbole here). For instance, take mykong's article here, showing how to collect a Map's entry set stream into a list of keys and a list of values: … Continue reading Using jOOλ to Combine Several Java 8 Collectors into One

jOOQ Tuesdays: Chris Saxon Explains the 3 Things Every Developer Should Know About SQL

Welcome to the jOOQ Tuesdays series. In this series, we’ll publish an article on the third Tuesday every other month (today, exceptionally on a Wednesday because of technical issues) where we interview someone we find exciting in our industry from a jOOQ perspective. This includes people who work with SQL, Java, Open Source, and a … Continue reading jOOQ Tuesdays: Chris Saxon Explains the 3 Things Every Developer Should Know About SQL

All Libraries Should Follow a Zero-Dependency Policy

This hilarious article with a click-bait title caught my attention, recently: https://medium.com/friendship-dot-js/i-peeked-into-my-node-modules-directory-and-you-wont-believe-what-happened-next-b89f63d21558 A hilarious (although not so true or serious) rant about the current state of JavaScript development in the node ecosystem. Dependency hell isn't new Dependency hell is a term that made it into wikipedia. It defines it as such: Dependency hell is a … Continue reading All Libraries Should Follow a Zero-Dependency Policy

Why Most Programmers Get Pagination Wrong

Pagination is one of those things that almost everyone gets wrong for two reasons: User experience Database performance Here's why. What's wrong with pagination? Most applications blindly produce pagination like this: This is how GMail implements pagination. With my current settings, it displays 100 E-Mails at a time and also shows how many E-Mails there … Continue reading Why Most Programmers Get Pagination Wrong

Why I Completely Forgot That Programming Languages Have While Loops

I've recently made an embarassing discovery: https://twitter.com/lukaseder/status/757987329441234944 Yes. In all of my professional work with PL/SQL (and that has been quite a bit, in the banking industry), I have never really used a WHILE loop - at least not that I recall. The idea of a WHILE loop is simple, and it is available in … Continue reading Why I Completely Forgot That Programming Languages Have While Loops