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Core Java
flatMap() and the order of events – RxJava FAQ
As we already discovered, flatMap() does not preserve the order of original stream. Let’s illustrate this using the GeoNames API example from previous article: public…
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Enterprise Java
Application Network Functions With ESBs, API Management, and Now.. Service Mesh?
I’ve talked quite a bit recently about the evolution of microservices patterns and how service proxies like Envoy from Lyft…
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Core Java
Java Command-Line Interfaces (Part 10): picocli
The main picocli page describes picocli as “a mighty tiny command line interface” that “is a one-file Java framework for…
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Core Java
RAII in Java
Resource Acquisition Is Initialization (RAII) is a design idea introduced in C++ by Bjarne Stroustrup for exception-safe resource management. Thanks…
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Software Development
[MEGA DEAL] The Immersive Angular 2 Bundle (88% off)
Separate Yourself From the Developer Pack with 44 Intensive Hours on the Web’s Most Exciting New Framework Hey fellow geeks,…
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Enterprise Java
flatMap() vs. concatMap() vs. concatMapEager() – RxJava FAQ
There are three, seamlessly similar operators in RxJava 2.x: flatMap(), concatMap() and concatMapEager(). All of them accept the same argument – a function from…
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Software Development
Eclipse Projects: Level Playing Field
For many open source organisations, open means the same thing as transparent: open as in open book. At the Eclipse…
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Agile
You’re Doing It Wrong: Deadlines
We know that deadlines drive behavior. That’s why in scrum, and other agile methodologies, we timebox the development with those…
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Enterprise Java
Eager subscription – RxJava FAQ
While teaching and mentoring RxJava, as well as after authoring a book, I noticed some areas are especially problematic. I decided…
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