Message Topics Subscribe Topics Message Topics KubeEdge uses MQTT for communication between deviceTwin and devices/apps. EventBus can be started in multiple MQTT modes and acts...
Sources, Brokers, Triggers, Sinks, oh my! CloudEvents Examining the Broker Sources, Brokers, Triggers, Sinks, oh my! For the purposes of this tutorial, let’s keep it simple. Y...
UI-Schema How UI-Schema works Supported react component types Basic form Business form Combination form How to expand Version: v1.2 UI-Schema KubeVela designs and impleme...
Message Topics Subscribe Topics Message Topics KubeEdge uses MQTT for communication between deviceTwin and devices/apps. EventBus can be started in multiple MQTT modes and acts...
Building blocks Building blocks Modular best practices accessible over standard HTTP or gRPC APIs A building block is an HTTP or gRPC API that can be called from your code and...
UPSERT Statement (Impala 2.8 or higher only) UPSERT Statement (Impala 2.8 or higher only) Acts as a combination of the INSERT and UPDATE statements. For each row processed by...
UPSERT Statement (Impala 2.8 or higher only) UPSERT Statement (Impala 2.8 or higher only) Acts as a combination of the INSERT and UPDATE statements. For each row processed by...
Dynamic Hooks Class level hooks Document level hook Dynamic Hooks Dynamic Hooks are more flexible than Java Hooks , because they can be changed at run-time and can run per do...
Merge Table Engine Examples Virtual Columns Merge Table Engine The Merge engine (not to be confused with MergeTree ) does not store data itself, but allows reading from any ...
Components of a Blockchain Components of a Blockchain The components of an open, public blockchain are (usually): A peer-to-peer (P2P) network connecting participants and pro...