Frank Neff
As you may know, Scala.js 1.0.0 just went final.
For end-products, the upgrade is rather simple, just bump the plugin version and fix potential compile issues. If
you’re maintaining a library, cross-building for 0.6.x and 1.0.x is still a bit tricky, but possible…
Frank Neff
I personally like the Spring Framework and its security components, because it’s pretty full-featured and easy to use, but when it comes to Spring Security OAuth2, there’s a huge quality breakdown. In this (probably series) of blogposts, I’ll try to sum up the good, the bad, the evil and why I ended up completely dropping Spring Security OAuth2.
Frank Neff
When it comes to importing data into a BigData infrastructure like Hadoop, Apache Spark is one of the most used tools for ETL jobs. Because input data – in this case CSV – has often invalid values, a data cleaning layer is needed.Most tasks in data cleaning are very specific and therefore need to be implemented depending on your data, but some tasks can be generalized…
Frank Neff
Every Java library can be used in Scala, which is, for me, one of the good parts of the JVM world. But Java libs are mostly object-oriented and not functional, therefore full of side effects and somtimes “ugly” to use in Scala. But there are some approaches how to make Java libs (or their interfaces) more functional, so they can almost be used like a Scala lib.
Frank Neff
In Java 8, the long awaited Lambda came to live, making it easy(-er) to do FP in Java. One problem I came across is, that most Java code throws checked exceptions which leads to IMHO ugly try/catch blocks in lambdas: