7gano

let a = NSURLQueryItem(name: "a", value: "yes")
let b = NSURLQueryItem(name: "b", value: "no")
let urlComponents = NSURLComponents(string: "https://hoge.com")
urlComponents!.queryItems = [a, b]
urlComponents!.URL

=> "https://hoge.com?a=yes&b=no"

7gano

    override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCellWithReuseIdentifier(reuseIdentifier, forIndexPath: indexPath) as! ButtonCollectionViewCell
    
        if let button = cell.button {
            //アニメーションオフしてレイアウトしてアニメーションオンにするとOK
            UIView.setAnimationsEnabled(false)
            button.setTitle(String(indexPath.item), forState: UIControlState.Normal)
            button.layoutIfNeeded()
            UIView.setAnimationsEnabled(true)
        }

7gano

let japaneaseCalendar = Calendar(identifier: Calendar.Identifier.japanese)
var dateFormatter = DateFormatter()
dateFormatter.calendar = japaneaseCalendar
dateFormatter.dateFormat = "GGyy"
dateFormatter.locale = Locale(identifier: "ja_JP")
dateFormatter.string(from: Date())

7gano

let asset = AVAsset(url: sourceFileURL)
let dict = [AVSampleRateKey:44100, AVFormatIDKey:kAudioFormatLinearPCM] as [String : Any]
assetReaderOutput = AVAssetReaderAudioMixOutput(audioTracks: asset.tracks, audioSettings: dict)

do {
    assetReader = try AVAssetReader(asset: asset)
    if assetReader.canAdd(assetReaderOutput) {
        assetReader.add(assetReaderOutput)
        assetReader.startReading()
    }

7gano

//: Playground - noun: a place where people can play

import UIKit

class Hoge: NSObject, Comparable {
    let text:String
    
    init(text:String) {
        self.text = text
    }

7gano

//: Playground - noun: a place where people can play

import UIKit

class Hoge: Comparable, Hashable {
    let text:String
    
    init(text:String) {
        self.text = text
    }