Lambda and Kappa data processing architectures

• http://lambda-architecture.net/
• http://milinda.pathirage.org/kappa-architecture.com/
• https://www.ericsson.com/research-blog/data-processing-architectures-lambda-and-kappa/

Mapzen alternatives

https://mapzen.com/blog/migration/

• Vector Tiles and Cartography
• Turn-by-Turn routing
• Search
• Places
• Transit
• Mobile
• Extracts

Dive into synchronous and asynchronous code tactics

https://dzone.com/articles/synchronous-or-asynchronous-and-why-wrestle-with-wrappers

• Callbacks
• Wrappers: CompletableFuture (Java), Future or Task (Scala), Promise (JS) and Deferred (Kotlin)
• Async/Await
• Coroutines