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import SwiftUI

struct SizeKey: PreferenceKey {
    static func reduce(value: inout CGSize?, nextValue: () -> CGSize?) {
        value = value ?? nextValue()
    }
}
struct ContentView: View {
    @State var width: CGFloat? = nil
    var body: some View {

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// Don't forget to add to the project:
// 1. DeepLabV3 - https://developer.apple.com/machine-learning/models/
// 2. CoreMLHelpers - https://github.com/hollance/CoreMLHelpers

enum RemoveBackroundResult {
    case background
    case finalImage
}

extension UIImage {

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REMOVE JAMF RESTRICTIONS ON MAC

REMOVE ONLY RESTRICTIONS

sudo jamf removeMDMProfile removes all restrictions

sudo jamf manage brings back all restrictions and profiles

REMOVE ALL RESTRICTIONS AND DISABLE JAMF BINARIES WHILE KEEPING YOUR ACCESS TO VPN AND OTHER SERVICES

sudo jamf removeMDMProfile removes all restrictions

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You can do it like this:

In your main view controller:

func showModal() {
    let modalViewController = ModalViewController()
    modalViewController.modalPresentationStyle = .OverCurrentContext
    presentViewController(modalViewController, animated: true, completion: nil)
}

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iOS Swift - Cancellable Task with GCD

#iOSBySheldon

I think most of you guys know GCD pretty well. Basically, GCD is a high level API to handle multi-threading operations. We use GCD almost on daily basis to switch thread and execute codes like:

DispatchQueue.main.async { //execute some codes here } 
//switch to main queue and execute codes asynchronously

DispatchQueue.main.sync { //execute some codes here } 
//switch to main queue and execute codes synchronously

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let API_HEADER_FIELD_NONE_MATCH             : String    = "If-None-Match"
let API_HEADER_FIELD_ETAG                   : String    = "Etag"
let API_REQUEST_SUCCESS                     : Int       = 200


func ETagForURL(urlString: String) -> String? {
    // return the saved ETag value for the given URL
    return NSUserDefaults.standardUserDefaults().objectForKey(urlString) as String?
}
    

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OS X Preferences

---

most of these require logout/restart to take effect

# Enable character repeat on keydown
defaults write -g ApplePressAndHoldEnabled -bool false

# Set a shorter Delay until key repeat

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<configuration>
    <!-- this is plain logback config.
         documentation: http://logback.qos.ch/manual/appenders.html


set -Dlogger.level like this:

/usr/java/latest/bin/java -Dconfig.file=/apps/YOURAPP/conf/application.conf -cp /apps/YOURAPP/staged/* -Dlogger.level=WARN play.core.server.NettyServer /apps/YOURAPP

     -->

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Common Save Patterns

Standard background save

Assuming that you don't care which NSManagedObjectContext is used, and you just want to make some changes and save them in the background, use the following method. 90% of the time, this is what you'll want.

NSManagedObjectSubclass *myObject = [NSManagedObjectSubclass MR_findFirst];

[MagicalRecord saveWithBlock:^(NSManagedObjectContext *localContext) {

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# Copyright: Benjamin Weiss (keyboardsurfer) https://github.com/keyboardsurfer
# Under CC-BY-SA V3.0 (https://creativecommons.org/licenses/by-sa/3.0/legalcode)

# built application files
*.apk
*.ap_
*.jar
!gradle/wrapper/gradle-wrapper.jar

# lint folder