Documents in MongoDB have a unique object ID when they are created. How can we get around this to develop a more effective REST API when document lookups are involved?
Constructors are not for business logic. If you're lumbered with a legacy constructor like this, discover the steps to follow to transform the class into clean code.
It's easy to use Venn diagrams to explain JOINs, but when you think about it, they're not quite the right tool to use. That's where JOIN diagrams come in.
How many times have you reviewed a log file without the data key (secret decoder ring) that explains what everything means. When a user more informative and intuitive format like JSON or XML? It's not too hard to do and can be quite helpful. Here's an example.
If we still use the get() functionality on optionals, we're effectively opening ourselves to the same problems as null checks. Here's how we should properly use this new tool in our arsenal.
I’m writing this post after days of misery, reverse-engineering, github browsing and finding (sort of) clever ways to get yet one step closer to the goal mentioned in the title.
Packaging is one of the underrated features of Java. IDEs are so smart that it only takes a few clicks to reorganize the whole project. But we can do better! We can really benefit from a good package structure.
Red Hat, Eclipse, and Eurotech have announced Eclipse Kapua — an end-to-end open source IOT cloud platform that combines and enhances several current solutions.
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