Recently i managed to screw up iMessages and FaceTime on my phone. Well, not exactly i screwed up, but Apple did. Some months back i changed my Apple ID but kept the old email address as verified other address in my Apple account. I changed all iCloud settings (Sharing etc.) on all Apple devices because […]
I was looking for a nice solution to measure the code coverage in my Spring Boot biking project. It should support Java 8, Maven and for added bonus, my IDE. I ended up using JaCoCo respectively the Maven plugin. If you expect a lengthier post, i must disappoint you. All that was need to turn […]
I needed a function to sum (and therefor group) the values of a map of objects to Integers. My first solution was something like As you can see, i use the collect method with a custom supplier, accumulator and combiner. The supplier prepares a new map, the accumulator takes the map and an entry and […]
This is cool: Map.Entry#comparingByKey and Map.Entry#comparingByValue. They both take another comparator or lambda that is used as a delegate for creating a Map.Entry comparator, that can be used to sort maps or find maximum and minimum pairs in a map by key or value like in the following example: import java.time.LocalDate; import java.util.Map; import java.util.Random; […]