Running jazzy from a fresh Ubuntu machine:
Create a brand new Ubuntu machine
$ doctl compute droplet create jazzy --size 16gb \
--image ubuntu-16-10-x64 --region sfo1
$ doctl compute ssh jazzy
Install Swift
// Douglas Hill, December 2018 | |
// Made for https://douglashill.co/reading-app/ | |
// Find the latest version of this file at https://github.com/douglashill/KeyboardKit | |
import UIKit | |
/// A table view that allows navigation and selection using a hardware keyboard. | |
/// Only supports a single section. | |
class KeyboardTableView: UITableView { | |
// These properties may be set or overridden to provide discoverability titles for key commands. |
secrets/ |
extension UICollectionViewFlowLayout { | |
typealias DelegateMethod<Key, Value> = ((UICollectionView, UICollectionViewLayout, Key) -> Value) | |
private var delegate: UICollectionViewDelegateFlowLayout? { | |
return collectionView?.delegate as? UICollectionViewDelegateFlowLayout | |
} | |
func retrieve<Key, Value>( |
import Foundation | |
public extension Never { | |
static func gonnaGiveYouUp() -> String { | |
return "gonna give you up" | |
} | |
static func gonnaLetYouDown() -> String { | |
return "gonna let you down" | |
} |
import UIKit | |
public extension UIStoryboard { | |
public struct SceneDescriptor { | |
public let name: UIStoryboard.Name | |
public let identifier: UIStoryboard.SceneIdentifier | |
public init(name: UIStoryboard.Name, identifier: UIStoryboard.SceneIdentifier) { | |
self.name = name |
// UICollectionView Objective-C example | |
- (void)viewWillAppear:(BOOL)animated { | |
[super viewWillAppear:animated]; | |
NSIndexPath *selectedIndexPath = [[self.collectionView indexPathsForSelectedItems] firstObject]; | |
if (selectedIndexPath != nil) { | |
id<UIViewControllerTransitionCoordinator> coordinator = self.transitionCoordinator; | |
if (coordinator != nil) { | |
[coordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> context) { |
Running jazzy from a fresh Ubuntu machine:
Create a brand new Ubuntu machine
$ doctl compute droplet create jazzy --size 16gb \
--image ubuntu-16-10-x64 --region sfo1
$ doctl compute ssh jazzy
Install Swift
target 'MyTarget' do | |
use_frameworks! | |
# Post installation script that enables the Swift 4.2 compiler's | |
# legacy 4.1 mode for 4.2-incompatible pods | |
post_install do |installer| | |
incompatiblePods = ['PodA', 'PodB'] | |
installer.pods_project.targets.each do |target| | |
if incompatiblePods.include? target.name |
// Swift's untyped errors are a goddam PiTA. Here's the pattern I use to try to work around this. | |
// The goal is basically to try to guarantee that every throwing function in the app throws an | |
// ApplicationError instead of some unknown error type. We can't actually enforce this statically | |
// But by following this convention we can simplify error handling | |
enum ApplicationError: Error, CustomStringConvertible { | |
// These are application-specific errors that may need special treatment | |
case specificError1 | |
case specificError2(SomeType) |
import Foundation | |
import UIKit | |
/// Used to create a layout guide that pins to the top of the keyboard | |
final class KeyboardLayoutGuide { | |
private let notificationCenter: NotificationCenter | |
private let bottomConstraint: NSLayoutConstraint |