ericdke

/ Returns an iterator containing the primary (built-in) Ethernet interface. The caller is responsible for
// releasing the iterator after the caller is done with it.
func FindEthernetInterfaces() -> io_iterator_t? {
    
    let matchingDictUM = IOServiceMatching("IOEthernetInterface");
    // Note that another option here would be:
    // matchingDict = IOBSDMatching("en0");
    // but en0: isn't necessarily the primary interface, especially on systems with multiple Ethernet ports.
    
    if matchingDictUM == nil {

ericdke

func makePNGFromView(view: NSView) {
    var rep = view.bitmapImageRepForCachingDisplayInRect(view.bounds)!
    view.cacheDisplayInRect(view.bounds, toBitmapImageRep: rep)
    if let data = rep.representationUsingType(NSBitmapImageFileType.NSPNGFileType, properties: [:]) {
        data.writeToFile("/xxx/image.png", atomically: false)
    }
}

ericdke

func flag(country: String) -> String {
    let base = 127397 // Root Unicode flags index
    var usv = String.UnicodeScalarView() // Prepare a Unicode string
    for i in country.utf16 { // Loop over the country acronym letters
        let inc = Int(i) // The letter's ASCII index
        let code = UnicodeScalar(base + inc) // Shift the letter index to the flags index
        usv.append(code) // Append the grapheme to the Unicode string
    }
    return String(usv)
}

ericdke

class OSXVersion {
    
    class func getOSXVersionNumber() -> (major: Int, minor: Int) {
        let version = NSProcessInfo.processInfo().operatingSystemVersion
        return (version.majorVersion, version.minorVersion)
    }
    
    class func getOSXVersionName(major major: Int, minor: Int) -> String {
        if major == 10 {
            switch minor {

ericdke

import UIKit
import XCPlayground
import Accelerate

extension UIImage {
    public func blur(size: Float) -> UIImage! {
        
        let boxSize = size - (size % 2) + 1
        let image = self.CGImage
        let inProvider = CGImageGetDataProvider(image)

ericdke

func getSystemUUID() -> String? {
    let dev = IOServiceMatching("IOPlatformExpertDevice")
    let platformExpert: io_service_t = IOServiceGetMatchingService(kIOMasterPortDefault, dev)
    let serialNumberAsCFString = IORegistryEntryCreateCFProperty(platformExpert, kIOPlatformUUIDKey, kCFAllocatorDefault, 0)
    IOObjectRelease(platformExpert)
    let ser: CFTypeRef = serialNumberAsCFString.takeUnretainedValue()
    if let result = ser as? String {
        return result
    }
    return nil

ericdke

URLQueryAllowedCharacterSet

!$&'()*+,-./0123456789:;=?@ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~

URLHostAllowedCharacterSet

!$&'()*+,-.0123456789:;=ABCDEFGHIJKLMNOPQRSTUVWXYZ[]_abcdefghijklmnopqrstuvwxyz~

URLPathAllowedCharacterSet

ericdke

/**
 * HTTPDownloader.hpp
 *
 * A simple C++ wrapper for the libcurl easy API.
 *
 * Written by Uli Köhler (techoverflow.net)
 * Published under CC0 1.0 Universal (public domain)
 */
#ifndef HTTPDOWNLOADER_HPP
#define HTTPDOWNLOADER_HPP

ericdke

let arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]

extension Array {
    func splitBy(subSize: Int) -> [[Element]] {
        return 0.stride(to: self.count, by: subSize).map { startIndex in
            let endIndex = startIndex.advancedBy(subSize, limit: self.count)
            return Array(self[startIndex ..< endIndex])
        }
    }
}

ericdke

func resize(image: NSImage, w: Int, h: Int) -> NSImage {
    var destSize = NSMakeSize(CGFloat(w), CGFloat(h))
    var newImage = NSImage(size: destSize)
    newImage.lockFocus()
    image.drawInRect(NSMakeRect(0, 0, destSize.width, destSize.height), fromRect: NSMakeRect(0, 0, image.size.width, image.size.height), operation: NSCompositingOperation.CompositeSourceOver, fraction: CGFloat(1))
    newImage.unlockFocus()
    newImage.size = destSize
    return NSImage(data: newImage.TIFFRepresentation!)!
}