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@mattyoung
mattyoung / Example_Complex.swift
Last active July 31, 2020 10:31 — forked from IanKeen/Example_Complex.swift
PropertyWrapper: @transaction binding for SwiftUI to make changes to data supporting commit/rollback
struct User: Equatable {
var firstName: String
var lastName: String
}
@main
struct MyApp: App {
@State var value = User(firstName: "", lastName: "")
@State var showEdit = false
@shaps80
shaps80 / SwiftUI-TextView.md
Last active May 6, 2023 22:17
A SwiftUI view that wraps a UITextView but provides almost all functionality though modifiers and attempts to closely match the Text/TextField components.
@morishin
morishin / 1_playground.swift
Last active February 26, 2021 10:27
Circular UIView with drop shadow (using UIBezierPath)
import UIKit
import PlaygroundSupport
let container = UIView(frame: CGRect(x: 0, y: 0, width: 500, height: 200))
container.backgroundColor = .lightGray
let buttonRadius: CGFloat = 50
let buttonSize = CGSize(width: buttonRadius * 2, height: buttonRadius * 2)
let buttonPath = UIBezierPath(arcCenter: CGPoint(x: buttonRadius, y: buttonRadius), radius: buttonRadius, startAngle: 0, endAngle: CGFloat.pi * 2, clockwise: true)
@steipete
steipete / ios-xcode-device-support.sh
Last active May 11, 2025 13:30
Using iOS 15 devices with Xcode 12.5 (instead of Xcode 13)
# The trick is to link the DeviceSupport folder from the beta to the stable version.
# sudo needed if you run the Mac App Store version. Always download the dmg instead... you'll thank me later :)
# Support iOS 15 devices (Xcode 13.0) with Xcode 12.5:
sudo ln -s /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/15.0 /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
# Then restart Xcode and reconnect your devices. You will need to do that for every beta of future iOS versions
# (A similar approach works for older versions too, just change the version number after DeviceSupport)
@ijoshsmith
ijoshsmith / arrayToDict.swift
Last active November 1, 2019 05:08
Create Swift Dictionary from Array
/**
Creates a dictionary with an optional
entry for every element in an array.
*/
func toDictionary<E, K, V>(
array: [E],
transformer: (element: E) -> (key: K, value: V)?)
-> Dictionary<K, V>
{
return array.reduce([:]) {
@airdrummingfool
airdrummingfool / update_build_number.sh
Last active October 27, 2020 16:43
Update current Xcode target's build number with the number of commits on a specified branch. http://tgoode.com/2014/06/05/sensible-way-increment-bundle-version-cfbundleversion-xcode/
#!/bin/bash
# update_build_number.sh
# Usage: `update_build_number.sh [branch]`
# Run this script after the 'Copy Bundle Resources' build phase
# Ref: http://tgoode.com/2014/06/05/sensible-way-increment-bundle-version-cfbundleversion-xcode/
branch=${1:-'master'}
buildNumber=$(expr $(git rev-list $branch --count) - $(git rev-list HEAD..$branch --count))
echo "Updating build number to $buildNumber using branch '$branch'."
@mobilemind
mobilemind / git-tag-delete-local-and-remote.sh
Last active August 10, 2025 11:21
how to delete a git tag locally and remote
# delete local tag '12345'
git tag -d 12345
# delete remote tag '12345' (eg, GitHub version too)
git push origin :refs/tags/12345
# alternative approach
git push --delete origin tagName
git tag -d tagName
@mshafrir
mshafrir / states_hash.json
Created May 9, 2012 17:05
US states in JSON form
{
"AL": "Alabama",
"AK": "Alaska",
"AS": "American Samoa",
"AZ": "Arizona",
"AR": "Arkansas",
"CA": "California",
"CO": "Colorado",
"CT": "Connecticut",
"DE": "Delaware",
@ehuynh
ehuynh / gist:2572398
Created May 1, 2012 23:37
Start and Stop Jenkins on OSX
# start
sudo launchctl load /Library/LaunchDaemons/org.jenkins-ci.plist
# stop
sudo launchctl unload /Library/LaunchDaemons/org.jenkins-ci.plist
@isaacs
isaacs / node-and-npm-in-30-seconds.sh
Last active October 27, 2025 08:27
Use one of these techniques to install node and npm without having to sudo. Discussed in more detail at http://joyeur.com/2010/12/10/installing-node-and-npm/ Note: npm >=0.3 is *safer* when using sudo.
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~/local
mkdir ~/node-latest-install
cd ~/node-latest-install
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1
./configure --prefix=~/local
make install # ok, fine, this step probably takes more than 30 seconds...
curl https://www.npmjs.org/install.sh | sh