RxJava combineLatest quick example by Kotlin,RxJava's combineLatest is very convenient but I can use it difficultly because it has many overloads. So I wrote the code snippet for c...

What Is Null? (Baby Don't Hurt Me),There are two kinds of programmers out there. Those that have had null-related errors in their programs and those that are just starting their ca...

How Kotlin Calamity Devours Your Java Apps Like Lightning?,Originally published on Hackernoon. I hear what you are saying. There is that buzz around Android actively adopting Kotli...

Java KeyStores—the gory details,Originally posted on my blog Java KeyStores are used to store key material and associated certificates in an encrypted and integrity protected fash...

Think twice before using a Supplier, Supply and demand At the end of my last article, we had this piece of non-functioning code, which tried to replace placeholder string from a fi...

Complete a Stream of CompletableFutures,Sometimes I find myself in the situation where I have to perform some asynchronous tasks and perform another asynchronous task when all thos...

vertx-jooq 2.4 released, Note: Unfortunately, the dependencies to rxjava1 haven’t been removed completely in 2.4.0. RX users please checkout version 2.4.1. I’m happy to announce ...

Modernizing Java - A language feature wish list (Part 1),Programming languages have advanced a lot in recent years. There's a countless number of flavours and concepts, and it's in...

Apache Groovy with Java 7 and 8 syntaxs,Since Apache Groovy 2.6(latest vesrion is 2.6.0-alpha-2 at 2017-Nov-16) it can use Lambda syntax from Java8 and try-with-resources from Java...

Sugar ORM: An easier way to work with SQLite Databases in Android.,If you have been working with the Android SQLite database for some time now, you would have noticed something: Se...

Technology stack for one-page one-function web app?,EDIT: Was 'Best web app technology stack?', but noticed it was not really what I meant to ask I’m still finishing my article on...

Kanban Board for Android,I'm currently developing an Android app as a side project, basically it's a simple Kanban board. It will be open source, folks! If someone is interested in...