I find the below mental map (and example) easy to remember and to reason about the distinctions between @ManyToOne and @OneToMany in the context of Java JPA / Spring Data applications For a larger image download my original one here: https://docs.google.com/drawings/d/e/2PACX-1vSW7PyvGLhRWTa84vhFb9qnhP3lKu1WyUZthKGssh3W2-xnANgAiucfaFnLpF9svfT_Fuo6LwE6UqY0/pub?w=1443&h=966
What we're building: https://youtu.be/Lgtpi0k7FD8 It's a great project to get started with learning about IoT, and Alexa. Hardware Particle Photon micro-controllerAdafruit Featherwing mini-relay (https://learn.adafruit.com/mini-relay-featherwings/overview)Amazon Alexa (Dot in my case...)Optional for some extra holiday cheer: Adafruit NeoPixel Stick (https://www.adafruit.com/product/1426) Circuit Diagram Fritzing file can be found here: https://github.com/dvas0004/SmartMote/blob/master/SmartMote_v1.fzz Notes, tips and tricks about the Hardware The … Continue reading Voice Controlled Christmas Tree Lights
David Vassallo's Blog 
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