mluton’s gists

mluton / gist:4021596

Created November 6, 2012 00:37

Read In a UTC Date

	NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
	[dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss'Z'"];
	[dateFormatter setTimeZone:[NSTimeZone timeZoneWithName:@"UTC"]];
	NSDate *date = [dateFormatter dateFromString:@"2112-10-11T06:06:31Z"];
	NSLog(@"date: %@", date);

mluton / gist:4026691

Created November 6, 2012 18:52

Format Date in User's Preferred Short Format

	NSDateFormatter* dateFormatter = [[NSDateFormatter alloc] init];
	[dateFormatter setDateStyle:NSDateFormatterShortStyle];
	NSLog(@"now: %@", [dateFormatter stringFromDate:[NSDate date]]);

mluton / gist:4026698

Created November 6, 2012 18:53

Output a date in a specified format.

	NSDateFormatter* dateFormatter = [[NSDateFormatter alloc] init];
	[dateFormatter setDateFormat:@"yyyy-MM-dd"];
	NSLog(@"now: %@", [dateFormatter stringFromDate:[NSDate date]]);

mluton / gist:4041089

Created November 8, 2012 19:50

Protocol with optional method

	@protocol TTVideoRetrievalDelegate <NSObject>

	@optional
	- (void)retrieveGroupsWithVideos;

	@end

mluton / gist:4041091

Created November 8, 2012 19:51

Protocol with required method

	@protocol TTVideoRetrievalDelegate <NSObject>

	- (void)retrieveGroupsWithVideos;

	@end

mluton / gist:4062265

Created November 12, 2012 21:59

Comma separated list from an array of objects

NSString *categoryString = [[categories valueForKey:@"categoryId"] componentsJoinedByString:@","];

mluton / gist:4069137

Created November 13, 2012 23:30

Manual Management of Child View Controllers with Storyboard Segues

	#import "ContainerViewController.h"

	#define SegueIdentifierFirst @"embedFirst"
	#define SegueIdentifierSecond @"embedSecond"

	@interface ContainerViewController ()
	@property (strong, nonatomic) NSString *currentSegueIdentifier;
	@end

	@implementation ContainerViewController

mluton / gist:4075876

Created November 15, 2012 00:40

Interface Builder View Controller That Automatically Resizes to its Container

	<scene sceneID="v5c-aN-zd9">
	<objects>
	<viewController id="JHA-3b-Fah" sceneMemberID="viewController">
	<view key="view" opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="redraw" id="iNd-Pp-gkg">
	<rect key="frame" x="0.0" y="0.0" width="280" height="150"/>
	<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
	<subviews>
	<label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" text="First View Controller" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="di2-sr-QZd">
	<fontDescription key="fontDescription" type="system" pointSize="17"/>
	<color key="textColor" cocoaTouchSystemColor="darkTextColor"/>

mluton / gist:4113613

Created November 19, 2012 20:17

Gear Bar Button Item with Unicode

	self.cogBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"\u2699" style:UIBarButtonItemStyleBordered target:self action:@selector(cogButtonPressed)];
	[self.cogBarButtonItem setTitleTextAttributes:@{UITextAttributeFont : [UIFont fontWithName:@"Helvetica" size:24.0]} forState:UIControlStateNormal];
	self.navigationItem.rightBarButtonItem = self.cogBarButtonItem;

mluton / gist:4114261

Created November 19, 2012 21:49

Does a Popover Need Dismissing

	- (BOOL)popoverNeedsDismissing:(UIPopoverController *)popover
	{
	return ((popover) && ([popover isPopoverVisible])) ? YES : NO;
	}

	- (void)dismissPopover:(UIPopoverController *)popover
	{
	[popover dismissPopoverAnimated:YES];
	popover = nil;
	}

Michael Luton mluton