開發者週報 #129 我是覺得有點卡
Apple/iOS 開發者的一週大小事 2022/02/14-2022/02/20
13的話
天氣冷到不知道要說什麼了🌚
🧪iOS 15.4 Beta 3 & Xcode 13.3 Beta
Release notes 建議要讀。
🤔Apple SSD 速度之謎
推文串還滿長的。你需要知道的是，斷電的時候，資料有可能還未寫入。有電池的電腦像是 MacBook Air / Pro 不太需要擔心。但 Mac mini / iMac 就...
Hector Martin@marcan42
Well, this is unfortunate. It turns out Apple's custom NVMe drives are amazingly fast - if you don't care about data integrity.
If you do, they drop down to HDD performance. Thread.
7:35 AM · Feb 17, 2022
1.69K Reposts · 5.58K Likes
Hector Martin@marcan42
Uh, guys? I'm not saying "the machines are only fast because they cheat on data durability". I'm saying there's a stupid, unfortunate performance bug when you *do* want durability that most people won't notice because macOS gives you poor durability by default.
12:50 PM · Feb 17, 2022
27 Reposts · 366 Likes
🤪Random Tweets
2/14 這個節日是
𝐠𝐧𝐞𝐡𝐜𝐝𝐫𝐚𝐰𝐨𝐡👁️⃤@h0wardch3ng
1946年2月14日，世界上第一台通用计算机ENIAC在美国宾夕法尼亚大学诞生，请在这个特殊的节日多陪陪你的电脑
10:02 PM · Feb 13, 2022
283 Reposts · 1.3K Likes
SwiftUI 火力展示
John Sundell@johnsundell
This entire game scene is actually one big SwiftUI view hierarchy! 😀
Hundreds of views, many of them animated, all rendering at a smooth 60 FPS on Mac, iPad and iPhone (even on my iPhone X), with 90+% code sharing across platforms! 🚀
Love how versatile and fast SwiftUI is 👍
4:19 PM · Feb 13, 2022
81 Reposts · 919 Likes
John Sundell@johnsundell
Here's a quick video showing the game running on an iPhone X. Really smooth overall, and this is on a 4+ year old device, and I haven't done almost any performance optimization work yet 😀 SwiftUI continues to impress me!
5:04 PM · Feb 13, 2022
17 Reposts · 224 Likes
Live Text 在 Safari 的實作
WildCat@WildCat_io
How #LiveText is implemented in Safari? Besides Apple's OCR algorithms, the text is basically implemented using #ShadowDOM and CSS Transform.
github.com/WebKit/WebKit/…
Front-end tech still rocks, even for #APPL.
3:08 PM · Feb 14, 2022
5 Reposts · 18 Likes
上週的讀者回應（不是）
zonble 🍺 ゾンビル@zonble
我不覺得蘋果的 VR 裝置是眼鏡之類的東西，應該是大腦直接植入晶片的那種。
4:49 AM · Feb 15, 2022
1 Repost · 7 Likes
iOS 15 的新 .background modifier 可設定 ShapeStyle
Thomas Grapperon@tgrapperon
PSA: If you want to get "automatic" vibrancy when setting `.foregroundStyle` to `.secondary` over a `Material` in SwiftUI, you *need* to use the new `.background` modifiers from iOS 15 to draw the background.
Otherwise, you'll only get a flat color.
#SwiftUI
1:28 AM · Feb 17, 2022
12 Reposts · 76 Likes
我覺得這知識挺實用的呀。這樣就知道為何 SwiftUI 的 state 不需要 Equatable。
Pofat@PofatTseng
#TIL: SwiftUI 比較 view 時首先嘗試比較 memory
#不知道也無妨的知識
Joe Groff @jckarter
@Dimillian @anandabits It tries `memcmp` first, because all Swift values should be identical if they compare equal bitwise. It does fall back to Equatable if available
10:09 AM · Feb 18, 2022
3 Reposts · 16 Likes
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