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Issue #795
extension NSImage {
func resize(width: CGFloat, height: CGFloat, padding: CGFloat) -> NSImage {
let img = NSImage(size: CGSize(width: width, height: height))
img.lockFocus()
let ctx = NSGraphicsContext. …Issue #794
I’ve been distributing my apps PastePal and Push Hero as a paid upfront apps on Appstore. I’ve quickly come to realize the importance of trials since many have requested a tryout before purchasing.
Manual sending out trials …
Issue #793
To create array containing number of repeated value in Swift, we can use Array.init(repeating:count:)
let fiveZs = Array(repeating: "Z", count: 5)
print(fiveZs)
// Prints "["Z", "Z", "Z", "Z", …Issue #792
iOS 13 introduced Dark Mode with User Interface Style that makes it easy to support dark and light theme in our apps. Before we dive in, here are some official resources
Issue #791
SwiftUI has View protocol which represents part of your app’s user interface and provides modifiers that you use to configure views.
You create custom views by declaring types that conform to the View protocol. Implement the required …
Issue #790
Use UIImageWriteToSavedPhotosAlbum
Adds the specified image to the user’s Camera Roll album.
Let’s make an NSObject delegate class so we can perform target action to notify about completion
import UIKit
struct ImageService { …Issue #789
New in SwiftUI 2.0 for iOS 14 and macOS 11.0 is WindwGroup which is used in App protocol. WindowGroup is ideal for document based applications where you can open multiple windows for different content or files. For …
Issue #788
I just convert my blog https://onmyway133.com/ from Hexo.js back to Hugo again. Hugo now uses goldmark as the default markdown processor instead of blackfriday
All works well, except that I use GitHub markdown to write articles, which use …
Issue #787
In Swift, property, especially for Boolean flagging, uses the regular verb form for the third person. There are few exceptions, such as enable
NSManagedObjectContext.automaticallyMergesChangesFromParent
UIView.clipsToBounds
UIView. …Issue #786
Sometimes we need to update some properties between objects, for example
book.name = updatedBook.name
book.page = updatedBook.page
book.publishedAt = updatedBook.publishedAt
Repeating the caller book is tedious and error-prone. In Kotlin, …
Issue #785
Calling mergeChanges on a managed object context will automatically refresh any managed objects that have changed. This ensures that your context always contains all the latest …
Issue #784
Every time I switch git branches, SPM packages seem to be invalidated and Xcode does not fetch again, no matter how many times I reopen. Running xcodebuild -resolvePackageDependencies does fetch but Xcode does not recognize the resolved …
Issue #783
Read Consuming Relevant Store Changes
If the import happens through a batch operation, the save to the store doesn’t generate an NSManagedObjectContextDidSave notification, and the view misses these relevant …
Issue #782
Use $ to access Publisher
final class Store: ObservableObject {
@Published var showsSideWindow: Bool = false
}
var anyCancellables = Set<AnyCancellable>()
store.$showsSideWindow
.removeDuplicates()
.throttle(for: 0.2, …Issue #781
This sounds like an easy task, but a quick search on Stackoverflow results in this with highest votes https://stackoverflow.com/questions/29971505/filter-non-digits-from-string
This …
Issue #780
To make a container view that accepts child content, we use ViewBuilder
struct ContainerView<Content: View>: View {
let content: Content
init(@ViewBuilder content: () -> Content) {
self.content = content()
} …Issue #779
With Xcode 12.4, macOS 11.0 app. Every time we switch the system dark and light mode, the CPU goes up to 100%. Instruments show that there’s an increasing number of ButtonBehavior
Every cell has …
Issue #778
For now using GroupBox has these issues in macOS
Issue #777
Sometimes we need to use dynamic selector and that triggers warning in Swift
Selector("updateWithCount:") // Use '#selector' instead of explicitly constructing a 'Selector'
In ObjC we can use clang macro to …
Issue #776
We need to use a custom Binding to trigger onChange as onEditingChanged is only called when the user selects the textField, and onCommit is only called when return or done button on keyboard is tapped.
import UIKit
import SwiftUI
import …I’m a thinker and storyteller with a passion for exploring the intersection of creativity and technology
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