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Questions tagged [wwdc]

WWDC stands for the Worldwide Developer's Conference, a conference for iOS and OS X developers held by Apple in San Francisco, in the Moscone West convention center.

WWDC is an abbreviation for the Worldwide Developer's Conference, a conference for and developers held by Apple in San Francisco, in the Moscone West convention center.

The opening keynote by Apple's top executives often is the announcement place of multiple software and hardware announcements . The Presidio, the room in which these announcements are made, seats over 5,000 people.

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How to give default value to TableColumn in Table

I have this sample code: struct Item: Identifiable { var id = UUID() var name: String? } struct ItemTable: View { let items: [Item] var body: some View { Table(items) { TableColumn("Name",…
Lorenzo Fiamingo
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Is it OK to use swiftUI in playground when submitting playground file for WWDC 2021 Scholarship?

Is it OK to use SwiftUI in a playground when submitting the playground file for WWDC 2021 Scholarship? So, Apple says they only accept the playground file, and it seems using SwiftUI makes me way easier to create a scene. But I'm not sure whether it…
Seungjun
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Rendering Terrain Dynamically with Argument Buffers : Understanding why the particle buffer is not overwritten by the GPU inflight

I am looking through an Apple demo project that is associated with the 2017 WWDC video entitled "Introducing Metal 2" where the developers demonstrate the use of argument buffers. The project is linked here on the page titled "Rendering Terrain…
Left as an exercise
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How to drag around editor panes in Xcode 11?

In one of this year's (2019) WWDC presentations, a speaker briefly demonstrated dragging an editor pane around in a window to reorganise the panes he had open. A thin blue line appears when you're hovering between other editor panes to show you…
rayascott
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Is there a WWDC 2019 session videos summary?

There are so many videos released each year and it would take way too much time to actually watch them all. Many times you don't even know that it was interesting for you before you actually got to know the details. Therefore my question: Is there…
hoshy
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How to add circle annotation in pdfkit swift?

I am using pdfkit and added circle annotation with fixed size and width but i want to draw with dynamic height and width. Here is my code : Here : start is my CGPoint from where i start to finger end is second CGPoint where i ended to move…
Mahesh Shahane
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How to implement “Building a More Performant Layout” in code on WWDC18 session 220

I recently watched the video of WWDC18. I am very interested in the example mentioned in it. There is such a problem in my own app. However, the engineer only talked about the concept and did not have the example code. I really want to know how to…
Leo.J
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UITableView in xcode playground is not showing text/subtitles

I was following an article about WWDC17. Everything was fine, but my live view is not looking like what it should be. The (.subtitle) and table cell are not showing anything Could anyone please help me how I could do this work? Following is the…
singlepiece000
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Suggested order to view WWDC 2010 videos

I got WWDC 2010 videos. However, there are 68 of them and thats for iPhone only with each video having an average of 50 mins. I know you can watch them independently depending on your interest. However, is there a suggested order in which to view…
Dev
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Issue running Scene Kit's presentation WWDC2013 code

I am trying to run the source code from Apple's Scene Kit presentation from WWDC2013. I am getting an error and not sure how to resolve. Here is the error I am getting: ASCSlideNodeDelegate.m:238:94: Type of property 'view' ('NSView * _Nonnull')…
Andrew Mendez
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How to start with particular Image using the iPhone WWDC 2010 - 104 PhotoScroller

I am going through the Sample code of iPhone WWDC 2010 - 104 PhotoScroller App. It's working great with my project related images (PDF Page Images) Now I want to start the app from a custom image no - Say 5. And it should show 6th image on next…
Roger_iPhone
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how to download WWDC 2010 video now by curl or wget?

for example : https://developer.apple.com/devcenter/download.action?path=/videos/wwdc_2010__hd/session_122__accessibility_on_iphone_os.mov when i enter curl…
seguedestination
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Xcode Playground: new pages cannot refer to source files

I was very excited to view the video on WWDC2015 Session 405 Authoring Rich Playgrounds , in that they seem to promise to reuse a piece of code in Sources, among different Pages. However, it seems not happen automatically. I mean, a new page…
Juguang
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Snippet tool that is used in WWDC2010 videos

Does anyone know the code snippet tool that was used in some of the WWDC2010 videos? It seems that the the tool allows us to create snippets of code which can be labeled. This tool also allow us to click and drag the label to Xcode code editor…
Samuel Chandra
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What's the meaning of 'chrome' spoked many times at the video 'A Look Inside Presentation Controllers', WWDC 2014

I'm watching WWDC 2014 videos to follow up trends about developing iOS software. However I'm not a native English user, so I couldn't understand the exact meaning of the word 'chrome' appears many times at the video 'A Look Inside Presentation…
NakCheon Owen Jung
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