# πŸŽ“ Courses & Articles **URL:** https://forums.kodeco.com/c/tutorials/5.md?page=440 [Latest](https://forums.kodeco.com/latest.md) Β· [Categories](https://forums.kodeco.com/categories.md) Β· [Tags](https://forums.kodeco.com/tags.md) **Page:** 441 --- ## [Testing in iOS, Episode 20: Performance Testing | Kodeco](https://forums.kodeco.com/t/testing-in-ios-episode-20-performance-testing-kodeco/196014)
**Author:** [@bdmoakley](https://forums.kodeco.com/u/bdmoakley)\ **Replies:** 0\ **Last updated:** [September 22, 2023, 12:34am UTC](https://forums.kodeco.com/t/testing-in-ios-episode-20-performance-testing-kodeco/196014 "2023-09-22T00:34:11Z")
This content was released on Jan 2 2018. The official support period is 6-months from this date. Sometimes you'll want to test how well a method preforms and for that, you use a special unit test: a performance test. --- ## [iOS Bootcamp, Episode 22: iOS Bootcamp: August 6, 2020 | Kodeco](https://forums.kodeco.com/t/ios-bootcamp-episode-22-ios-bootcamp-august-6-2020-kodeco/195978)
**Author:** [@jeffro](https://forums.kodeco.com/u/jeffro)\ **Replies:** 0\ **Last updated:** [September 21, 2023, 9:22pm UTC](https://forums.kodeco.com/t/ios-bootcamp-episode-22-ios-bootcamp-august-6-2020-kodeco/195978 "2023-09-21T21:22:21Z")
This content was released on May 26 2020. The official support period is 6-months from this date. In week 11 of iOS Bootcamp, continue learning about Animation and Xcode Tips & Tricks. --- ## [Drawing in iOS with Core Animation and Core Graphics, Episode 13: Images and Contexts | Kodeco](https://forums.kodeco.com/t/drawing-in-ios-with-core-animation-and-core-graphics-episode-13-images-and-contexts-kodeco/195962)
**Author:** [@caroline](https://forums.kodeco.com/u/caroline)\ **Replies:** 0\ **Last updated:** [September 21, 2023, 6:59pm UTC](https://forums.kodeco.com/t/drawing-in-ios-with-core-animation-and-core-graphics-episode-13-images-and-contexts-kodeco/195962 "2023-09-21T18:59:52Z")
This content was released on May 22 2018. The official support period is 6-months from this date. Find out what a context is and how to create a reusable image. --- ## [Programming in Dart: Fundamentals, Episode 4: Challenge: Play with Booleans | Kodeco](https://forums.kodeco.com/t/programming-in-dart-fundamentals-episode-4-challenge-play-with-booleans-kodeco/195806)
**Author:** [@vegetarianzombie](https://forums.kodeco.com/u/vegetarianzombie)\ **Replies:** 0\ **Last updated:** [September 20, 2023, 2:12pm UTC](https://forums.kodeco.com/t/programming-in-dart-fundamentals-episode-4-challenge-play-with-booleans-kodeco/195806 "2023-09-20T14:12:04Z")
This content was released on Apr 26 2022. The official support period is 6-months from this date. Practice using booleans on your own, through a series of hands-on challenges. --- ## [Beginning CloudKit, Episode 4: Saving Records | Kodeco](https://forums.kodeco.com/t/beginning-cloudkit-episode-4-saving-records-kodeco/195666)
**Author:** [@vegetarianzombie](https://forums.kodeco.com/u/vegetarianzombie)\ **Replies:** 0\ **Last updated:** [September 19, 2023, 1:22am UTC](https://forums.kodeco.com/t/beginning-cloudkit-episode-4-saving-records-kodeco/195666 "2023-09-19T01:22:45Z")
This content was released on Jul 4 2017. The official support period is 6-months from this date. In this video, learn all about the basics of saving your data to CloudKit using the convenience API. --- ## [RWDevCon 2018 Vault, Episode 16: Integrating Metal Shaders with SceneKit | Kodeco](https://forums.kodeco.com/t/rwdevcon-2018-vault-episode-16-integrating-metal-shaders-with-scenekit-kodeco/195517)
**Author:** [@redqueencoder](https://forums.kodeco.com/u/redqueencoder)\ **Replies:** 0\ **Last updated:** [September 17, 2023, 5:17pm UTC](https://forums.kodeco.com/t/rwdevcon-2018-vault-episode-16-integrating-metal-shaders-with-scenekit-kodeco/195517 "2023-09-17T17:17:53Z")
This content was released on May 7 2018. The official support period is 6-months from this date. Metal is a low level framework that allows you to control your code down to the bit level. However, many common operations don’t require you to get down to that level because they are handled by Core Image and SceneKit. This session will show you what operations you get with SceneKit and how you can go deeper with Metal when you need to without losing the convenience of SceneKit. --- ## [Scroll View School, Episode 9: Auto Layout | Kodeco](https://forums.kodeco.com/t/scroll-view-school-episode-9-auto-layout-kodeco/195487)
**Author:** [@jessycatterwaul](https://forums.kodeco.com/u/jessycatterwaul)\ **Replies:** 0\ **Last updated:** [September 17, 2023, 8:09am UTC](https://forums.kodeco.com/t/scroll-view-school-episode-9-auto-layout-kodeco/195487 "2023-09-17T08:09:17Z")
This content was released on Nov 13 2018. The official support period is 6-months from this date. In this video tutorial you will learn how to use Auto Layout and stack views to create layouts inside of scroll views. --- ## [3D Graphics with Metal, Episode 37: Build the Arena | Kodeco](https://forums.kodeco.com/t/3d-graphics-with-metal-episode-37-build-the-arena-kodeco/195474)
**Author:** [@caroline](https://forums.kodeco.com/u/caroline)\ **Replies:** 0\ **Last updated:** [September 17, 2023, 5:28am UTC](https://forums.kodeco.com/t/3d-graphics-with-metal-episode-37-build-the-arena-kodeco/195474 "2023-09-17T05:28:47Z")
This content was released on Apr 9 2019. The official support period is 6-months from this date. Add all your models to the game scene ready to play. --- ## [iOS Tutorial: How To Create A Simple iPhone App Tutorial: Part 3/3 | Kodeco](https://forums.kodeco.com/t/ios-tutorial-how-to-create-a-simple-iphone-app-tutorial-part-3-3-kodeco/195387)
**Author:** [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\ **Replies:** 0\ **Last updated:** [September 16, 2023, 6:00am UTC](https://forums.kodeco.com/t/ios-tutorial-how-to-create-a-simple-iphone-app-tutorial-part-3-3-kodeco/195387 "2023-09-16T06:00:51Z")
This content was released on Sep 2 2010. The official support period is 6-months from this date. An iOS tutorial for complete beginners that shows you how to make your first iPhone app, from scratch! --- ## [Programming in Swift, Episode 35: Closures and Collections | Kodeco](https://forums.kodeco.com/t/programming-in-swift-episode-35-closures-and-collections-kodeco/195375)
**Author:** [@catie](https://forums.kodeco.com/u/catie)\ **Replies:** 0\ **Last updated:** [September 16, 2023, 3:03am UTC](https://forums.kodeco.com/t/programming-in-swift-episode-35-closures-and-collections-kodeco/195375 "2023-09-16T03:03:20Z")
This content was released on Aug 22 2018. The official support period is 6-months from this date. Learn how you can use closures to sort collections, filter collections, run calculations on elements within a collection, and more. --- ## [RWDevCon Sold Out | Kodeco](https://forums.kodeco.com/t/rwdevcon-sold-out-kodeco/195356)
**Author:** [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\ **Replies:** 0\ **Last updated:** [September 15, 2023, 8:12pm UTC](https://forums.kodeco.com/t/rwdevcon-sold-out-kodeco/195356 "2023-09-15T20:12:36Z")
This content was released on Nov 5 2014. The official support period is 6-months from this date. RWDevCon is sold out! Thanks so much to the attendees and sponsors for making this possible. --- ## [RWDevCon 2017: Ticket Sales Open in 1 Week! | Kodeco](https://forums.kodeco.com/t/rwdevcon-2017-ticket-sales-open-in-1-week-kodeco/195097)
**Author:** [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\ **Replies:** 0\ **Last updated:** [September 13, 2023, 9:51am UTC](https://forums.kodeco.com/t/rwdevcon-2017-ticket-sales-open-in-1-week-kodeco/195097 "2023-09-13T09:51:44Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/1020-rwdevcon-2017-ticket-sales-open-in-1-week --- ## [iOS Concurrency with GCD & Operations, Episode 8: Wrap an Asynchronous Function | Kodeco](https://forums.kodeco.com/t/ios-concurrency-with-gcd-operations-episode-8-wrap-an-asynchronous-function-kodeco/195025)
**Author:** [@audrey](https://forums.kodeco.com/u/audrey)\ **Replies:** 0\ **Last updated:** [September 12, 2023, 6:46pm UTC](https://forums.kodeco.com/t/ios-concurrency-with-gcd-operations-episode-8-wrap-an-asynchronous-function-kodeco/195025 "2023-09-12T18:46:29Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/38462287-ios-concurrency-with-gcd-operations/lessons/8 --- ## [SwiftUI Fundamentals, Episode 12: Present Modal Views | Kodeco](https://forums.kodeco.com/t/swiftui-fundamentals-episode-12-present-modal-views-kodeco/194956)
**Author:** [@catie](https://forums.kodeco.com/u/catie)\ **Replies:** 0\ **Last updated:** [September 12, 2023, 9:31am UTC](https://forums.kodeco.com/t/swiftui-fundamentals-episode-12-present-modal-views-kodeco/194956 "2023-09-12T09:31:23Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/18272812-swiftui-fundamentals/lessons/12 --- ## [Your First Swift 4 & iOS 11 App, Episode 3: Buttons and Actions | Kodeco](https://forums.kodeco.com/t/your-first-swift-4-ios-11-app-episode-3-buttons-and-actions-kodeco/194869)
**Author:** [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\ **Replies:** 0\ **Last updated:** [September 12, 2023, 1:08am UTC](https://forums.kodeco.com/t/your-first-swift-4-ios-11-app-episode-3-buttons-and-actions-kodeco/194869 "2023-09-12T01:08:17Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/3990-your-first-swift-4-ios-11-app/lessons/3 --- ## [Your Second Kotlin Android App, Episode 27: Understand Jetpack Libraries | Kodeco](https://forums.kodeco.com/t/your-second-kotlin-android-app-episode-27-understand-jetpack-libraries-kodeco/194793)
**Author:** [@subhrajyotisen](https://forums.kodeco.com/u/subhrajyotisen)\ **Replies:** 0\ **Last updated:** [September 11, 2023, 11:00am UTC](https://forums.kodeco.com/t/your-second-kotlin-android-app-episode-27-understand-jetpack-libraries-kodeco/194793 "2023-09-11T11:00:47Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/38052357-your-second-kotlin-android-app/lessons/27 --- ## [Storyboards and Codable – Podcast S07 E01 | Kodeco](https://forums.kodeco.com/t/storyboards-and-codable-podcast-s07-e01-kodeco/194719)
**Author:** [@lordandrei](https://forums.kodeco.com/u/lordandrei)\ **Replies:** 0\ **Last updated:** [September 10, 2023, 7:33pm UTC](https://forums.kodeco.com/t/storyboards-and-codable-podcast-s07-e01-kodeco/194719 "2023-09-10T19:33:14Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/388-storyboards-and-codable-podcast-s07-e01 --- ## [Beginning Firebase for iOS, Episode 13: Handle Errors | Kodeco](https://forums.kodeco.com/t/beginning-firebase-for-ios-episode-13-handle-errors-kodeco/194324)
**Author:** [@catie](https://forums.kodeco.com/u/catie)\ **Replies:** 0\ **Last updated:** [September 6, 2023, 9:29am UTC](https://forums.kodeco.com/t/beginning-firebase-for-ios-episode-13-handle-errors-kodeco/194324 "2023-09-06T09:29:08Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/22029618-beginning-firebase-for-ios/lessons/13 --- ## [raywenderlich.com Black Friday Sale: 50% Off Store-Wide! | Kodeco](https://forums.kodeco.com/t/raywenderlich-com-black-friday-sale-50-off-store-wide-kodeco/193873)
**Author:** [@chrisrazeware](https://forums.kodeco.com/u/chrisrazeware)\ **Replies:** 0\ **Last updated:** [September 3, 2023, 12:23pm UTC](https://forums.kodeco.com/t/raywenderlich-com-black-friday-sale-50-off-store-wide-kodeco/193873 "2023-09-03T12:23:08Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/18725977-raywenderlich-com-black-friday-sale-50-off-store-wide --- ## [Testing in iOS, Episode 15: Test Doubles | Kodeco](https://forums.kodeco.com/t/testing-in-ios-episode-15-test-doubles-kodeco/193453)
**Author:** [@jessycatterwaul](https://forums.kodeco.com/u/jessycatterwaul)\ **Replies:** 0\ **Last updated:** [August 30, 2023, 1:18pm UTC](https://forums.kodeco.com/t/testing-in-ios-episode-15-test-doubles-kodeco/193453 "2023-08-30T13:18:53Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/25842120-testing-in-ios/lessons/15 --- ## [RWDevCon 2017 Vault - Tutorials, Episode 3: Machine Learning in iOS | Kodeco](https://forums.kodeco.com/t/rwdevcon-2017-vault-tutorials-episode-3-machine-learning-in-ios-kodeco/193452)
**Author:** [@alexisgallagher](https://forums.kodeco.com/u/alexisgallagher)\ **Replies:** 0\ **Last updated:** [August 30, 2023, 1:17pm UTC](https://forums.kodeco.com/t/rwdevcon-2017-vault-tutorials-episode-3-machine-learning-in-ios-kodeco/193452 "2023-08-30T13:17:52Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/4250-rwdevcon-2017-vault-tutorials/lessons/3 --- ## [Publish to the Google Play Store, Episode 4: Build Your App for Release | Kodeco](https://forums.kodeco.com/t/publish-to-the-google-play-store-episode-4-build-your-app-for-release-kodeco/193428)
**Author:** [@bhavna\_thacker](https://forums.kodeco.com/u/bhavna_thacker)\ **Replies:** 0\ **Last updated:** [August 30, 2023, 11:17am UTC](https://forums.kodeco.com/t/publish-to-the-google-play-store-episode-4-build-your-app-for-release-kodeco/193428 "2023-08-30T11:17:57Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/28798254-publish-to-the-google-play-store/lessons/4 --- ## [iOS 9 App Search Tutorial: Introduction to App Search | Kodeco](https://forums.kodeco.com/t/ios-9-app-search-tutorial-introduction-to-app-search-kodeco/193413)
**Author:** [@cwagdev](https://forums.kodeco.com/u/cwagdev)\ **Replies:** 0\ **Last updated:** [August 30, 2023, 9:46am UTC](https://forums.kodeco.com/t/ios-9-app-search-tutorial-introduction-to-app-search-kodeco/193413 "2023-08-30T09:46:45Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/1544-ios-9-app-search-tutorial-introduction-to-app-search --- ## [Implicit Flutter Animations, Episode 1: Learn Animation Basics | Kodeco](https://forums.kodeco.com/t/implicit-flutter-animations-episode-1-learn-animation-basics-kodeco/193336)
**Author:** [@ychoudhary](https://forums.kodeco.com/u/ychoudhary)\ **Replies:** 0\ **Last updated:** [August 30, 2023, 1:58am UTC](https://forums.kodeco.com/t/implicit-flutter-animations-episode-1-learn-animation-basics-kodeco/193336 "2023-08-30T01:58:55Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/35152250-implicit-flutter-animations/lessons/1 --- ## [Season Introduction with Mic and Jake – Podcast S04 E01 | Kodeco](https://forums.kodeco.com/t/season-introduction-with-mic-and-jake-podcast-s04-e01-kodeco/193317)
**Author:** [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\ **Replies:** 0\ **Last updated:** [August 30, 2023, 12:27am UTC](https://forums.kodeco.com/t/season-introduction-with-mic-and-jake-podcast-s04-e01-kodeco/193317 "2023-08-30T00:27:15Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/1850-season-introduction-with-mic-and-jake-podcast-s04-e01 --- ## [Kodeco Podcast: Meet the Show – Podcast Vol2, S1 E0 | Kodeco](https://forums.kodeco.com/t/kodeco-podcast-meet-the-show-podcast-vol2-s1-e0-kodeco/193193)
**Author:** [@lordandrei](https://forums.kodeco.com/u/lordandrei)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 12:50pm UTC](https://forums.kodeco.com/t/kodeco-podcast-meet-the-show-podcast-vol2-s1-e0-kodeco/193193 "2023-08-29T12:50:09Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/36702765-kodeco-podcast-meet-the-show-podcast-vol2-s1-e0 --- ## [SOLID in Real-World iOS Apps, Episode 6: Refactoring Single Responsibilities | Kodeco](https://forums.kodeco.com/t/solid-in-real-world-ios-apps-episode-6-refactoring-single-responsibilities-kodeco/193192)
**Author:** [@amlcurran](https://forums.kodeco.com/u/amlcurran)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 12:45pm UTC](https://forums.kodeco.com/t/solid-in-real-world-ios-apps-episode-6-refactoring-single-responsibilities-kodeco/193192 "2023-08-29T12:45:56Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/10480721-solid-in-real-world-ios-apps/lessons/6 --- ## [Your Second iOS & SwiftUI App, Episode 16: Model Objects | Kodeco](https://forums.kodeco.com/t/your-second-ios-swiftui-app-episode-16-model-objects-kodeco/193191)
**Author:** [@catie](https://forums.kodeco.com/u/catie)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 12:41pm UTC](https://forums.kodeco.com/t/your-second-ios-swiftui-app-episode-16-model-objects-kodeco/193191 "2023-08-29T12:41:38Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/25836622-your-second-ios-swiftui-app/lessons/16 --- ## [Kodeco Podcast: Mark Dalrymple Talks About Spinning Classes and Interesting Apps – Podcast Vol2, S1 E3 | Kodeco](https://forums.kodeco.com/t/kodeco-podcast-mark-dalrymple-talks-about-spinning-classes-and-interesting-apps-podcast-vol2-s1-e3-kodeco/193170)
**Author:** [@lordandrei](https://forums.kodeco.com/u/lordandrei)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 10:12am UTC](https://forums.kodeco.com/t/kodeco-podcast-mark-dalrymple-talks-about-spinning-classes-and-interesting-apps-podcast-vol2-s1-e3-kodeco/193170 "2023-08-29T10:12:30Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/37154932-kodeco-podcast-mark-dalrymple-talks-about-spinning-classes-and-interesting-apps-podcast-vol2-s1-e3 --- ## [Programming in Dart: Control Flow & Collections, Episode 3: Challenge: Use While Loops | Kodeco](https://forums.kodeco.com/t/programming-in-dart-control-flow-collections-episode-3-challenge-use-while-loops-kodeco/193162)
**Author:** [@bdmoakley](https://forums.kodeco.com/u/bdmoakley)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 9:55am UTC](https://forums.kodeco.com/t/programming-in-dart-control-flow-collections-episode-3-challenge-use-while-loops-kodeco/193162 "2023-08-29T09:55:53Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/29744101-programming-in-dart-control-flow-collections/lessons/3 --- ## [In-App Purchases in iOS 6 Tutorial: Consumables and Receipt Validation | Kodeco](https://forums.kodeco.com/t/in-app-purchases-in-ios-6-tutorial-consumables-and-receipt-validation-kodeco/193161)
**Author:** [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 9:52am UTC](https://forums.kodeco.com/t/in-app-purchases-in-ios-6-tutorial-consumables-and-receipt-validation-kodeco/193161 "2023-08-29T09:52:48Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/2812-in-app-purchases-in-ios-6-tutorial-consumables-and-receipt-validation --- ## [Android In App Review, Episode 1: Learn About In App Review | Kodeco](https://forums.kodeco.com/t/android-in-app-review-episode-1-learn-about-in-app-review-kodeco/193140)
**Author:** [@filbabic](https://forums.kodeco.com/u/filbabic)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 8:22am UTC](https://forums.kodeco.com/t/android-in-app-review-episode-1-learn-about-in-app-review-kodeco/193140 "2023-08-29T08:22:15Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/20065814-android-in-app-review/lessons/1 --- ## [Beginning Core Data, Episode 4: Managed Objects | Kodeco](https://forums.kodeco.com/t/beginning-core-data-episode-4-managed-objects-kodeco/193108)
**Author:** [@vegetarianzombie](https://forums.kodeco.com/u/vegetarianzombie)\ **Replies:** 0\ **Last updated:** [August 29, 2023, 5:43am UTC](https://forums.kodeco.com/t/beginning-core-data-episode-4-managed-objects-kodeco/193108 "2023-08-29T05:43:05Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/7104-beginning-core-data/lessons/4 --- ## [Flutter UI Widgets, Episode 14: Build iOS Styled Forms | Kodeco](https://forums.kodeco.com/t/flutter-ui-widgets-episode-14-build-ios-styled-forms-kodeco/192858)
**Author:** [@fleepgeek](https://forums.kodeco.com/u/fleepgeek)\ **Replies:** 0\ **Last updated:** [August 28, 2023, 9:48am UTC](https://forums.kodeco.com/t/flutter-ui-widgets-episode-14-build-ios-styled-forms-kodeco/192858 "2023-08-28T09:48:25Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/26933987-flutter-ui-widgets/lessons/14 --- ## [Open Call for Tech Editors and Authors on the Unity Team | Kodeco](https://forums.kodeco.com/t/open-call-for-tech-editors-and-authors-on-the-unity-team-kodeco/192789)
**Author:** [@amarlette](https://forums.kodeco.com/u/amarlette)\ **Replies:** 0\ **Last updated:** [August 28, 2023, 5:53am UTC](https://forums.kodeco.com/t/open-call-for-tech-editors-and-authors-on-the-unity-team-kodeco/192789 "2023-08-28T05:53:54Z")
This is a companion discussion topic for the original entry at https://www.kodeco.com/11282269-open-call-for-tech-editors-and-authors-on-the-unity-team --- ## [Your First Kotlin Android App: Polishing the App, Episode 6: Improve the Alert Title | Kodeco](https://forums.kodeco.com/t/your-first-kotlin-android-app-polishing-the-app-episode-6-improve-the-alert-title-kodeco/192626)
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