Markus Kohler

An updated overview of how to build an Android beacon (ie. iBeacon), including in-depth tutorials on building the emitter and detector.

Explore the comparison between AWS Transit Gateway and VPC Peering, and how they impact modern cloud networking decisions.

An in depth guide with examples on how to program WebSocket clients in Java and Android, using the Spring Boot framework.

Explore and compare modern realtime alternatives to WebSockets. Understand their advantages, limitations, and impact on web development.

Explore 7 REST alternatives like GraphQL, gRPC, and MQTT for optimized real-time communication, low latency, and efficient data handling in modern applications.

PubNub Data Streams lets you stream data to global audiences in under a 1/4 second. Here are 5 things you can do with that.

PubNub’s Events & Actions provides real-time event routing and processing for filtering events. Learn how to create event listeners and actions with Basic Filters, including WebHook calls, SQS, and Kinesis integrations.

Learn about Android text message apps. Explore the technologies used and discover common features of popular chat applications.

A look at what features and capabilities a chat app needs to be successful, and how to differentiate your chat app from the competition.