sourleangchhean168

#include <stdio.h>
#include <math.h>

int main()
{
    double a, b, c, determinant, root1,root2, realPart, imaginaryPart;

    printf("Enter coefficients a, b and c: ");
    scanf("%lf %lf %lf",&a, &b, &c);

sourleangchhean168

extension UIColor {
convenience init(rgb: Int, alpha: CGFloat) {
    let r = CGFloat((rgb & 0xFF0000) >> 16)/255
    let g = CGFloat((rgb & 0xFF00) >> 8)/255
    let b = CGFloat(rgb & 0xFF)/255
    self.init(red: r, green: g, blue: b, alpha: alpha)
}

convenience init(red: Int, green: Int, blue: Int) {
    self.init(red: CGFloat(red), green: CGFloat(green), blue: CGFloat(blue), alpha: 1.0)

sourleangchhean168

TAGS="TODO:|FIXME:"
    ERRORTAG="DANGER:|ERROR:"
    find "${SRCROOT}" \( -name "*.swift" \) -print0 | xargs -0 egrep --with-filename --line-number --only-matching "($TAGS).*\$|($ERRORTAG).*\$" | perl -p -e "s/($TAGS)/ warning: \$1/" | perl -p -e "s/($ERRORTAG)/ error: \$1/"
    #find "${SRCROOT}" \( -name "*.h" -or -name "*.m" -or -name "*.swift" \) -print0 | xargs -0 egrep --with-filename --line-number --only-matching "($TAGS).*\$|($ERRORTAG).*\$" | perl -p -e "s/($TAGS)/ warning: \$1/" | perl -p -e "s/($ERRORTAG)/ error: \$1/"

sourleangchhean168

@discardableResult
func customActivityIndicatory(_ viewContainer: UIView, startAnimate:Bool? = true) -> UIActivityIndicatorView {
      let mainContainer: UIView = UIView(frame: viewContainer.frame)
      mainContainer.center = viewContainer.center
      mainContainer.backgroundColor = UIColor.init(netHex: 0xFFFFFF)
      mainContainer.alpha = 0.5
      mainContainer.tag = 789456123
      mainContainer.isUserInteractionEnabled = false
  
      let viewBackgroundLoading: UIView = UIView(frame: CGRect(x:0,y: 0,width: 80,height: 80))

sourleangchhean168

func getAssetThumbnail(asset: PHAsset, size: CGFloat) -> UIImage {
    let retinaScale = UIScreen.main.scale
    let retinaSquare = CGSize(width: size * retinaScale, height: size * retinaScale)//(size * retinaScale, size * retinaScale)
    let cropSizeLength = min(asset.pixelWidth, asset.pixelHeight)
    let square = CGRect(x:0, y: 0,width: CGFloat(cropSizeLength),height: CGFloat(cropSizeLength))
    let cropRect = square.applying(CGAffineTransform(scaleX: 1.0/CGFloat(asset.pixelWidth), y: 1.0/CGFloat(asset.pixelHeight)))
    let manager = PHImageManager.default()
    let options = PHImageRequestOptions()
    var thumbnail = UIImage()
    options.isSynchronous = true

sourleangchhean168

let albumsPhoto:PHFetchResult<PHAssetCollection> = PHAssetCollection.fetchAssetCollections(with: .smartAlbum, subtype: .albumRegular, options: nil)
    albumsPhoto.enumerateObjects({(collection, index, object) in
        if collection.localizedTitle == "Screenshots"{
            let photoInAlbum = PHAsset.fetchAssets(in: collection, options: nil)
            print(photoInAlbum.count) //Screenshots albums count
        }
    })

sourleangchhean168

extension UIButton{
          func roundCorners(corners:UIRectCorner, radius: CGFloat){
                   let borderLayer = CAShapeLayer()
                   borderLayer.frame = self.layer.bounds
                   borderLayer.strokeColor = UIColor.green.cgColor
                   borderLayer.fillColor = UIColor.clear.cgColor
                   borderLayer.lineWidth = 10.5
                   let path = UIBezierPath(roundedRect: self.bounds,
                            byRoundingCorners: corners,
                            cornerRadii: CGSize(width: radius, height: radius))

sourleangchhean168

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"

sourleangchhean168

 /**
    Scroll to make the the given section header visible.
    The function scrollToItemAtIndexPath will scroll to the item and hide the section header.
    Swift 3.
    */
    func scrollToSection(_ section:Int)  {
        if let cv = self.collectionView {
            let indexPath = IndexPath(item: 1, section: section)
            if let attributes =  cv.layoutAttributesForSupplementaryElement(ofKind: UICollectionElementKindSectionHeader, at: indexPath) {
                

sourleangchhean168

  let cell = collectionView.cellForItem(at: indexPath)
            
            UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 5, options: [],
                           animations: {
                            cell!.transform = CGAffineTransform(scaleX: 0.9, y: 0.9)
                            
            },
                           completion: { finished in
                            UIView.animate(withDuration: 0.5, delay: 0, usingSpringWithDamping: 1, initialSpringVelocity: 5, options: .curveEaseInOut,
                                           animations: {