hsleedevelop

            let sdevices = devices.flatMap({ (device: Device) -> String in
                return "\(device.brand)-\(device.hostname)-\(device.ipAddress)-\(device.macAddress)\n"
            }).flatMap({$0}).joined()
            
            DispatchQueue.main.async {
                JDAlert(title: "Found \(devices.count) Device(s).", message: sdevices, preferredStyle: .alert)
                    .addAction(title: "OK", style: .default) { _ in }
                    .show()
            }

hsleedevelop

//http://stackoverflow.com/questions/41940994/closure-cannot-implicitly-capture-a-mutating-self-paramter/41941810#41941810

private func capture(with block: @escaping () -> ()) { block() }

hsleedevelop

//#include <ifaddrs.h> in bridging-header first.

fileprivate func getIPAddress() -> String? {
        var address : [String]? = []
        
        // Get list of all interfaces on the local machine:
        var ifaddr : UnsafeMutablePointer<ifaddrs>?
        guard getifaddrs(&ifaddr) == 0 else { return nil}
        guard let firstAddr = ifaddr else { return nil}
        

hsleedevelop

if #available(iOS 11.0, *) {
    let bottomPadding = view.safeAreaInsets.bottom
}

hsleedevelop

    ACTION = build
    AD_HOC_CODE_SIGNING_ALLOWED = NO
    ALTERNATE_GROUP = staff
    ALTERNATE_MODE = u+w,go-w,a+rX
    ALTERNATE_OWNER = grantdavis
    ALWAYS_SEARCH_USER_PATHS = NO
    ALWAYS_USE_SEPARATE_HEADERMAPS = YES
    APPLE_INTERNAL_DEVELOPER_DIR = /AppleInternal/Developer
    APPLE_INTERNAL_DIR = /AppleInternal
    APPLE_INTERNAL_DOCUMENTATION_DIR = /AppleInternal/Documentation

hsleedevelop

// create results array
__block NSMutableArray* results = [NSMutableArray new];

// create serial queue
dispatch_queue_t queue = dispatch_queue_create("myQueue", 0);

for(NSInteger i = 0; i < 10; i++) {
    // enqueue operation in queue
    dispatch_async(queue, ^{
        // create semaphore

hsleedevelop

enum DateError: String, Error {
    case invalidDate
}

struct Spaceship : Codable {
    var name: String
    var createdAt: Date
}

let decoder = JSONDecoder()

hsleedevelop

class AlignTopCollectionViewFlowLayout: UICollectionViewFlowLayout {
    
    var sectionLayout: HomeSectionLayout?
    
    override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
        let attrs = super.layoutAttributesForElements(in: rect)
        var attrsCopy = [UICollectionViewLayoutAttributes]()
        let layout = sectionLayout ?? .PERSONAL
        
        for  element in attrs! {

hsleedevelop

//validate tpo cell in visible cells,
        guard let tableView = self.superview as? UITableView, let ip = self.indexPath, tableView.indexPathsForVisibleRows?.contains(ip) == true else {
            return
        }

hsleedevelop

func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>) {
        guard self.topSectionViewTopConstraint.constant > 0 else { return }

        let tableViewOffset = tableViewTopEdgeInset + scrollView.contentOffset.y
        let topSectionViewTop = tableViewTopEdgeInset - listHeaderView.dimViewHeight
        //-160 ~ 0
        var offset = (topSectionViewTop - tableViewOffset)
        offset = offset > topSectionViewTop / 2.c ? -tableViewTopEdgeInset : -listHeaderView.dimViewHeight.c

        targetContentOffset.pointee.y = offset