Swift-Playgrounds | Swift playgrounds used in my posts | Reactive Programming library
kandi X-RAY | Swift-Playgrounds Summary
kandi X-RAY | Swift-Playgrounds Summary
Collection of Swift playgrounds used in my posts: From functional aspects of Swift to C interoperability.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Swift-Playgrounds
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QUESTION
I am new to CoreML, and am having difficulties with turning a MLMultiArray
(named modelInput
) into the required type MLFeatureProvider
to feed as a parameter when using myMLModel.prediction(from: modelInput)
. The error reads:
ANSWER
Answered 2021-Apr-19 at 09:48You can certainly make an MLFeatureProvider subclass, but you don't need to.
First off, your code snippet is not using the Vision framework but Core ML. Xcode automatically generates a class for you that creates the MLFeatureProvider. It's a good idea to use that class instead of using the MLModel directly, since the automatically generated class hides all the boilerplate from you.
If you still want to create your own MLFeatureProvider, the easiest solution is to first make an MLFeatureValue object containing the MLMultiArray, and then pass that into an MLDictionaryFeatureProvider.
QUESTION
AudioKit has had playgrounds since they were introduced, and we made hundreds of them, but as of about Xcode 8, they have become difficult to use. After about 4-5 playground views on average, Xcode will stop running any playgrounds and need to be restarted.
Here are the AudioKit's playground code: https://github.com/AudioKit/AudioKit/tree/master/Playgrounds
as well as screen recordings of how they should work: http://audiokit.io/playgrounds/
We basically use the set up as described in this blog to use the AudioKit framework in playgrounds: https://m.pardel.net/using-3rd-party-frameworks-in-swift-playgrounds-fd415f6dba10
The playgrounds are equally unstable if we use playgrounds on the Xcodeproj itself as if we are using the framework file.
Does anybody have any clue as to what happened to make Xcode playgrounds unstable with frameworks or have any advice on how we could change our set up to make the playgrounds stable again?
AudioKit playgrounds were a major part of what makes AudioKit easy to use and the loss of them has weighed heavily on me, so I am happy to offer a bounty (my first one, so bear with me).
...ANSWER
Answered 2018-May-07 at 07:52I had not worked with Playgrounds in a while, but today I wanted to check some things out. I found Playgrounds hugely unstable, freezing up Xcode constantly. All I imported was UIKit
, nothing fancy; just simple string parsing in a loop. Like yourself, I could get it to run a few times before needing to restart Xcode to regain responsiveness. This is in Xcode v9.3 (9E145).
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