ruby - How does Soundcloud API with pagination work? -

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i used code given via soundcloud:

enter image description here

this error in terminal results read:

enter image description here

i can't figure out did wrong.. :\

this result of when type "puts tracks"

enter image description here

you can see next_href displayed @ bottom.

if take @ data returned, might in sub-property called "collection", correct iterator "tracks.collection.each"


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