In this tutorial I cover different variable types as well as printing their values. I apologize for sounding sick in this video.
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https://www.youtube.com/watch?v=mnOI2-lct-k
How to create a custom CABasicAnimation object
Twitter: https://twitter.com/LucasDerraugh
GitHub: https://github.com/lucasderraugh
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https://www.youtube.com/watch?v=9XdARDrNYg0
How to use diffable data sources to cleanly apply changes to NSCollectionView. This avoids NSCollectionViewDataSource protocol callbacks as well as performBatchUpdate mistakes with index paths. A wonderful new API!
Twitter: https://twitter.com/LucasDerraugh
GitHub: https://github.com/lucasderraugh
Site: http://appleprogramming.com
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https://www.youtube.com/watch?v=-WqbJ0Iihkc