dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

vigorouscoding

#import <UIKit/UIKit.h>

@interface DateFlowLayout : UICollectionViewFlowLayout

@end

AVPlayerCaching.m

//
//  ViewController.m
//  AVPlayerCaching
//
//  Created by Anurag Mishra on 5/19/14.
//  Sample code to demonstrate how to cache a remote audio file while streaming it with AVPlayer
//

#import "ViewController.h"
#import <AVFoundation/AVFoundation.h>

sararob

/* 

This example shows how you can use your data structure as a basis for 
your Firebase security rules to implement role-based security. We store
each user by their Twitter uid, and use the following simplistic approach
for user roles:

0 - GUEST
10 - USER
20 - MODERATOR

ryanhanwu

- (void)mapView:(GMSMapView*)mapView idleAtCameraPosition:(GMSCameraPosition*)position
{
    CLLocationCoordinate2D topLeft = mapView.projection.visibleRegion.farLeft;
    CLLocationCoordinate2D bottomLeft = mapView.projection.visibleRegion.nearLeft;
    double lat = fabs(topLeft.latitude - bottomLeft.latitude);
    double mpp = cos(lat * M_PI / 180) * 2 * M_PI * 6378137 / (256 * pow(2, mapView.camera.zoom));
    double distance = mpp * mapView.frame.size.width;
    [[SearchManager shareInstance] distance: distance];
}

AliSoftware

// #!Swift-1.1
import Foundation


// MARK: - (1) classes

// Solution 1:
//  - Use classes instead of struct
// Issue: Violate the concept of moving model to the value layer
//        http://realm.io/news/andy-matuschak-controlling-complexity/

Koze

    NSMutableArray *mArray = [NSMutableArray array];
    
    // fetch all image assets
    PHFetchOptions *fetchOptions = [[PHFetchOptions alloc] init];
    fetchOptions.predicate = [NSPredicate predicateWithFormat:@"mediaType == %d", PHAssetMediaTypeImage];
    PHFetchResult *result = [PHAsset fetchAssetsWithOptions:fetchOptions];
    [result enumerateObjectsUsingBlock:^(PHAsset * __nonnull asset, NSUInteger idx, BOOL * __nonnull stop) {
        // filter with subtype for screenshot
        if (asset.mediaSubtypes & PHAssetMediaSubtypePhotoScreenshot) {
            [mArray addObject:asset];

rajohns08

import UIKit

@IBDesignable
class BorderButton: UIButton {

    @IBInspectable var cornerRadius: CGFloat = 0 {
        didSet {
            layer.cornerRadius = cornerRadius
            layer.masksToBounds = cornerRadius > 0
        }

seivan

@objc class JPTiltShiftGenerator: NSObject, CIFilterConstructor {
    @objc func filterWithName(name: String)->CIFilter? {
        return JPTiltShift()
    }
}

class JPTiltShift : CIFilter {
    

    class func register() {

skreutzberger

/// returns optional relative date interval string like "2d"
/// depending on the unitsstyle, see docs at http://apple.co/1ox2sOX
/// inject an existing NSDateComponentsFormatter() for performance
func relativeDateInterval(date: NSDate, 
  unitsStyle: NSDateComponentsFormatterUnitsStyle, 
  formatter: NSDateComponentsFormatter) -> String? {
    // inspired by top answer at http://bit.ly/1TzMQqV
    let formatter = NSDateComponentsFormatter()
    formatter.unitsStyle = unitsStyle //.Abbreviated, .Full, ...
    formatter.includesApproximationPhrase = false