jverkoey

import Charts
import SwiftUI

let oneDay: TimeInterval = 60 * 60 * 24

struct ContentView: View {
  var body: some View {
    let history = loadHistory()
      .filter { $0.id > Date.now.addingTimeInterval(-oneDay * 30) }
    let analysis = TradingAnalysis(history: history)

jverkoey

import SwiftUI

struct FlipButton: View {
  @State private var orientation: Int = 0

  var body: some View {
    Button {
      orientation += 180
    } label: {
      Image(systemName: "arrow.up.arrow.down")

jverkoey

import SwiftUI

struct SpotifyToggle: View {
  let value: String
  @Binding var selection: String?
  let didTap: () -> Void
  var body: some View {
    Toggle(value, isOn: .init(get: { selection == value }, set: { _ in
      withAnimation {
        if selection == nil {

jverkoey

import SwiftUI

struct LinkedInActivityIndicator: View {
  @State private var animating = false

  let cornerRadius: CGFloat

  var body: some View {
    GeometryReader { proxy in
      ZStack {

jverkoey

import SwiftUI

struct SeamlessCarouselDemo: View {
  @State private var seamless = false

  @ViewBuilder
  func image(_ name: String) -> some View {
    Image(name)
      .resizable(resizingMode: .stretch)
      .aspectRatio(contentMode: .fit)

jverkoey

Notice

This is an undocumented API. It may break at any time. Contributions welcome; please share in the comments and I will update the gist accordingly.

Authentication

Each request must be passed a valid authentication cookie. The cookie takes the following form and can be pulled from any authenticated request made in the browser:

jverkoey

static const CGFloat kFontWeightEpsilon = FLT_EPSILON;

@implementation UIFont (CustomizedDynamicType)

+ (nonnull UIFont *)preferredFontWithDefaultSize:(CGFloat)size
                                       textStyle:(nonnull UIFontTextStyle)textStyle {
  return [self preferredFontWithDefaultSize:size
                                  textStyle:textStyle
                                 fontWeight:UIFontWeightRegular
                                     italic:NO];

jverkoey

## One-time setup

# Deletes references to remote branches during git fetch
git config --global fetch.prune true

## .bashrc

# Pushes the local branch to origin and makes the local branch track the remote
gpush() {
  git push origin $(git rev-parse --abbrev-ref HEAD) -u

jverkoey

import Foundation

extension Data {
  /**
   Returns the result of xor'ing self with the given Data.
   */
  public func xored(with rhs: Data) -> Data {
    return Data(zip(self, rhs).map { $0 ^ $1 })
  }
}

jverkoey

func start(with context: TransitionContext) {
  guard let contextView = backDelegate.backContextView(for: self,
                                                       with: context.foreViewController) else {
                                                        return
  }
  guard let foreImageView = foreDelegate.foreContextView(for: self) else {
    return
  }