tyrad

Alamofire.request(urlString).responseJSON { response in
    guard case let .failure(error) = response.result else { return }

    if let error = error as? AFError {
        switch error {
        case .invalidURL(let url):
            print("Invalid URL: \(url) - \(error.localizedDescription)")
        case .parameterEncodingFailed(let reason):
            print("Parameter encoding failed: \(error.localizedDescription)")
            print("Failure Reason: \(reason)")

tyrad

//`UITableViewCell` and `UICollectionViewCell` are `Reusable` by defaut 
//Use the extension method to dequeue an instance of the appropriate `Reusable` 

class MyVC: UITableViewDataSource {
    override func viewDidLoad() {
        super.viewDidLoad()
        tableView
            .registerReusable(FooCell.self)
            .registerReusable(BarCell.self)
    }

tyrad

public extension FileManager {
    
    /// This method calculates the accumulated size of a directory on the volume in bytes.
    ///
    /// As there's no simple way to get this information from the file system it has to crawl the entire hierarchy,
    /// accumulating the overall sum on the way. The resulting value is roughly equivalent with the amount of bytes
    /// that would become available on the volume if the directory would be deleted.
    ///
    /// - note: There are a couple of oddities that are not taken into account (like symbolic links, meta data of
    /// directories, hard links, ...).

tyrad

// in a UITableViewController (or any other view controller with a UITableView)

- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
{
    UIView *header = [[UIView alloc] initWithFrame:CGRectMake(0, 0, size.width, 0)];
    header.translatesAutoresizingMaskIntoConstraints = NO;
    
    // [add subviews and their constraints to header]

    NSLayoutConstraint *headerWidthConstraint = [NSLayoutConstraint 

tyrad

// CSS Color Names
// Compiled by @bobspace.
//
// A javascript array containing all of the color names listed in the CSS Spec.
// The full list can be found here: http://www.w3schools.com/cssref/css_colornames.asp
// Use it as you please, 'cuz you can't, like, own a color, man.

var CSS_COLOR_NAMES = ["AliceBlue","AntiqueWhite","Aqua","Aquamarine","Azure","Beige","Bisque","Black","BlanchedAlmond","Blue","BlueViolet","Brown","BurlyWood","CadetBlue","Chartreuse","Chocolate","Coral","CornflowerBlue","Cornsilk","Crimson","Cyan","DarkBlue","DarkCyan","DarkGoldenRod","DarkGray","DarkGrey","DarkGreen","DarkKhaki","DarkMagenta","DarkOliveGreen","DarkOrange","DarkOrchid","DarkRed","DarkSalmon","DarkSeaGreen","DarkSlateBlue","DarkSlateGray","DarkSlateGrey","DarkTurquoise","DarkViolet","DeepPink","DeepSkyBlue","DimGray","DimGrey","DodgerBlue","FireBrick","FloralWhite","ForestGreen","Fuchsia","Gainsboro","GhostWhite","Gold","GoldenRod","Gray","Grey","Green","GreenYellow","HoneyDew","HotPink","IndianRed","Indigo","Ivory"

tyrad

function rotate(srcBase64, degrees, callback) {
  const canvas = document.createElement('canvas');
  const ctx    = canvas.getContext('2d');
  const image  = new Image();

  image.onload = function () {
    canvas.width  = degrees % 180 === 0 ? image.width : image.height;
    canvas.height = degrees % 180 === 0 ? image.height : image.width;

    ctx.translate(canvas.width / 2, canvas.height / 2);