photorama | `` PHOTORAMA '' template for Jekyll | Theme library
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QUESTION
I'm following an example from an iOS programming book. The example in the book downloads photos from Flickr and place them in a collection view. Each photo are downloaded through a link as one of the elements of an object in a json code. The example uses Core Data for persistence of data and involves conversion from Core Data managed object type to custom object type.
The compiler reports that "Cannot convert value of type '[Photo]' to expected argument type '[FlickrPhoto]'". The [Photo] is an array of Photo objects which are automatically generated by Core Data according to Entity and Attributes information provided by me and the [FlickrPhoto] is an array of FlickrPhoto objects which are custom objects.
Please let me know what problem there is and suggest some solutions. Thank you!
Relevant code is as follows:
Photo+CoreDataClass.swift
...ANSWER
Answered 2021-May-23 at 09:46In the function processPhotosRequest
there is a mapping from FlickrPhoto to Photo objects which is done so the data can be stored in Core Data but it is not those objects that should be returned so the row
QUESTION
I came across a json decoding error in an example in a book. The error says:
...ANSWER
Answered 2021-May-05 at 21:23The photos
in the json is not an array. It's an object.
Paste your json into https://app.quicktype.io in order to get the correct Codable objects.
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