benjaminsnorris

- (CGPoint)targetContentOffsetForProposedContentOffset:(CGPoint)proposedContentOffset withScrollingVelocity:(CGPoint)velocity {
    CGFloat offsetAdjustment = MAXFLOAT;
    CGFloat horizontalCenter = proposedContentOffset.x + (CGRectGetWidth(self.collectionView.bounds) / 2.0);
    
    CGRect targetRect = CGRectMake(proposedContentOffset.x, 0.0, self.collectionView.bounds.size.width, self.collectionView.bounds.size.height);
    NSArray *attributesArray = [super layoutAttributesForElementsInRect:targetRect];
    
    for (UICollectionViewLayoutAttributes *layoutAttributes in attributesArray) {
        CGFloat itemHorizontalCenter = layoutAttributes.center.x;
        if (ABS(itemHorizontalCenter - horizontalCenter) < ABS(offsetAdjustment)) {

benjaminsnorris

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "Event Response",
  "type": "object",
  "properties": {
    "id": {
      "description": "Unique identifier for an event",
      "type": "integer"
    },
    "title": {

benjaminsnorris

//
//  CustomTabBar.swift
//  welbe
//
//  Created by Ben Norris on 12/8/15.
//  Copyright © 2015 O.C. Tanner Corporation. All rights reserved.
//

import UIKit

benjaminsnorris

//
//  ListViewController.swift
//  welbe
//
//  Created by Ben Norris on 12/3/15.
//  Copyright © 2015 O.C. Tanner Corporation. All rights reserved.
//

import UIKit

benjaminsnorris

class GBClock {
    var referenceDate = NSDate(timeIntervalSinceReferenceDate: 0)
    var referenceDateInterval: NSTimeInterval { referenceDate.timeIntervalSinceReferenceDate }

    func currentTime() → NSDate {
        return NSDate(timeIntervalSinceNow: referenceDateInterval)
    }
}

benjaminsnorris

protocol Preferences: class {
    var showNames: Bool { get set }
    func registerDefaults(registrar: Preferences -> Void)
}

private class DefaultPreferenceValues: Preferences {
    var showNames = false
    
    func registerDefaults(registrar: Preferences -> Void) {
        fatalError("The registrar cannot register defaults")

benjaminsnorris

struct FlagEmoji {
  private static let regionalIndicatorA: UInt32 = 0x1F1E6
​
  enum Error: ErrorType {
    case ExpectedOnlyAZ
  }
​
  private static func toRegionalIndicator(scalar: UnicodeScalar) throws -> UnicodeScalar {
    let offset: UInt32
    switch scalar {

benjaminsnorris

class CollectionViewController: UIViewController {
  ...
  func snapToCenter() {
      let centerPoint = view.convertPoint(view.center, toView: collectionView)
      guard let centerIndexPath = collectionView.indexPathForItemAtPoint(centerPoint)
      collectionView.scrollToItemAtIndexPath(centerIndexPath, atScrollPosition: .CenteredHorizontally, animated: true)
  }
  ...  
}
    

benjaminsnorris

import Security

/// A wrapper around the Keychain API.

public class Keychain {
    private let name: String
    private let accessGroup: String?
    
    public init(name: String, accessGroup: String? = nil) {
        self.name = name

benjaminsnorris

// From Bart Whiteley
public protocol UnmarshalingFactory: Marshal.ValueType {
    associatedtype ConvertibleType = Self
    
    static func createFromObject(object: MarshaledObject) throws -> ConvertibleType
}

extension UnmarshalingFactory {
    
    public static func value(object: Any) throws -> ConvertibleType {