MaximAlien

// For UIViewController inside UINavigationController
- (void)viewWillLayoutSubviews
{
    [super viewWillLayoutSubviews];
    
    self.navigationController.view.superview.bounds = CGRectMake(0, 0, 300, 300);
    self.navigationController.view.superview.layer.cornerRadius = 2.0f;
}

// Usual presentation

drosenstark

    class func drawHollowCircle(circleColor: UIColor, rect: CGRect, startAngle: CGFloat = 1, endAngle: CGFloat = 360, outerRingProportion: CGFloat = 1, innerRingProportion: CGFloat = 0.5, drawShadow : Bool) {
        
        //// Variable Declarations
        let startAngleCalced: CGFloat = -startAngle + 270
        let endAngleCalced: CGFloat = -endAngle + 270
        let innerRingDiameter: CGFloat = rect.size.width * innerRingProportion
        let innerRingOffset: CGFloat = 0.5 * (rect.size.width - innerRingDiameter)
        let innerRingRect = CGRectMake(innerRingOffset, innerRingOffset, innerRingDiameter, innerRingDiameter)
        let outerRingDiameter: CGFloat = rect.size.width * outerRingProportion
        let outerRingOffset: CGFloat = 0.5 * (rect.size.width - outerRingDiameter)

aldo-jlaurenstin

//
//  MakeTransparentHoleOnOverlayView.swift
//
//  Created by James Laurenstin on 2015-04-10.
//  Copyright (c) 2015 Aldo Group Inc. All rights reserved.
//

import UIKit

class MakeTransparentHoleOnOverlayView: UIView {

marchinram

import UIKit

extension UIImage {
    subscript (x: Int, y: Int) -> UIColor? {
        guard x >= 0 && x < Int(size.width) && y >= 0 && y < Int(size.height),
            let cgImage = cgImage,
            let provider = cgImage.dataProvider,
            let providerData = provider.data,
            let data = CFDataGetBytePtr(providerData) else {
            return nil

willyg302

config:
  FunctionName: aws-lambda-aes-gist
  Handler: index.handler
  Runtime: nodejs
  Description: A Lambda function for AES encryption/decryption, from a Gist!
install: npm install --production

macu

import Foundation

/// Timeout wrapps a callback deferral that may be cancelled.
///
/// Usage:
/// Timeout(1.0) { println("1 second has passed.") }
///
class Timeout: NSObject
{
	private var timer: NSTimer?

shexbeer

-(UIImage*) cropCameraImage:(UIImage*) original toPreviewLayerBounds:(AVCaptureVideoPreviewLayer*) previewLayer {
    UIImage *ret = nil;
    
    CGRect previewImageLayerBounds = previewLayer.bounds;
    
    // This calculates the crop area.
    // keeping in mind that this works with on an unrotated image (so a portrait image is actually rotated counterclockwise)
    // thats why we use originalHeight to calculate the width
    float originalWidth  = original.size.width;
    float originalHeight = original.size.height;

ddrccw

//
//  Created by ddrccw on 14-1-10.
//  Copyright (c) 2014年 ddrccw. All rights reserved.
//  refer to http://danqingdani.blog.163.com/blog/static/1860941952012102122847478/

#import <sys/stat.h>
#import <mach-o/dyld.h>

//#import <stdlib.h>
//#import <string.h>

wess

@implementation UITextView (Annex)
@dynamic visibleTextRange;

- (NSRange)visibleTextRange
{

    CGRect bounds           = self.bounds;
    CGSize textSize         = [self.text sizeWithFont:self.font constrainedToSize:bounds.size];

    UITextPosition *start   = [self characterRangeAtPoint:bounds.origin].start;

akshay1188

- (UIImage *)compressImage:(UIImage *)image{
    float actualHeight = image.size.height;
    float actualWidth = image.size.width;
    float maxHeight = 600.0;
    float maxWidth = 800.0;
    float imgRatio = actualWidth/actualHeight;
    float maxRatio = maxWidth/maxHeight;
    float compressionQuality = 0.5;//50 percent compression
    
    if (actualHeight > maxHeight || actualWidth > maxWidth) {