#code

17 posts

2024-01-21

The Potential and Limitations of OpenAI's Custom GPTs.

I share my first impressions of building a custom GPT chatbot, delving into its limitations and questioning the longevity of GPTs reliant on file uploads. I wonder if custom GPTs are primarily intended as chat interfaces for APIs.

#code

2023-11-28

Don't forget to deploy your CloudKit-backed SwiftData entities to production.

I thought SwiftData model changes would just work ✨. Make sure you press this button after updating your CloudKit-backed SwiftData models.

2021-12-06

7 months at Square.

Working at Square is awesome.

#code#personal

2020-05-15

Rotato.app is the perfect marketing tool for solo app developers

Rotato.app is a great tool for indie mobile devs — no need to find a graphic designer just to pull this off.

#code

2019-03-31

Mobile first developers— we must expand our skillset.

I share my transition from a coding boot camp to mastering iOS development, urging fellow developers to expand their skills. I highlight the importance of embracing full-stack knowledge and the power of continuous learning beyond just mobile development.

#code

2018-12-17

Making network requests more reactive with RxMoya.

The Rx ecosystem is strong. Before RxSwift, I used a brittle wrapper of an "Observable" type in my codebases, just so I could "subscribe" to values. I...

#code

2017-10-29

Breaking down Custom View Controller Animations with 'Moves'

I open sourced a view controller transition library called ‘Moves’, which makes custom transitions (modals, popups, tooltips) a whole lot easier to develop.

#code

2017-03-25

Learnings from RxSwift

More recently, I decided to dig deeper into reactive programming, looking into more resources/blogs about RxSwift.

#code

2017-02-20

Easy Networking and Testing with Moya

Switching to Moya improved my approach to iOS networking, neatly tucking away the intricacies of network requests into a sleek, coherent structure.

#code

2016-09-20

Integrating Core Data with WatchOS

Simplify your watchOS development! Discover how to streamline Core Data integration and keep your Apple Watch app in sync with your iPhone. A beginner-friendly guide.

#code

2015-07-27

Week 7 & 8 at Flatiron

Week 7Presenting Muse at Flatiron PresentsFinally finished my part in Flatiron Presents. Every Tuesday here at Flatiron School, 3-4 pairs (2 web, 2 mo...

#code

2015-07-19

Weeks 5 & 6 at The Flatiron School.

Week 5Auto LayoutWrapping Up Core DataWe wrapped up our last lecture on core data this morning, and even though the everything dealing with core data...

#code

Leo Kwan

#code

The Potential and Limitations of OpenAI's Custom GPTs.

Don't forget to deploy your CloudKit-backed SwiftData entities to production.

7 months at Square.

Rotato.app is the perfect marketing tool for solo app developers

Mobile first developers— we must expand our skillset.

Making network requests more reactive with RxMoya.

Breaking down Custom View Controller Animations with 'Moves'

Learnings from RxSwift

Easy Networking and Testing with Moya

Integrating Core Data with WatchOS

Week 7 & 8 at Flatiron

Weeks 5 & 6 at The Flatiron School.

Leo Kwan

#code

The Potential and Limitations of OpenAI's Custom GPTs.

Don't forget to deploy your CloudKit-backed SwiftData entities to production.

7 months at Square.

Rotato.app is the perfect marketing tool for solo app developers

Mobile first developers— we must expand our skillset.

Making network requests more reactive with RxMoya.

Breaking down Custom View Controller Animations with 'Moves'

Learnings from RxSwift

Easy Networking and Testing with Moya

Integrating Core Data with WatchOS

Week 7 & 8 at Flatiron

Weeks 5 & 6 at The Flatiron School.