nathanclark’s gists

nathanclark / utils.rake

Created March 3, 2011 20:23

Utilities needed for many rails apps

	namespace :utils do
	desc "Echos log rotate configs"
	task :rotate => :environment do
	puts <<EOD
	<<<<<<<<<<<<Begin
	# Rotate Rails application logs
	#{Rails.root}/log/*.log {
	daily
	missingok
	rotate 7

nathanclark / gist:983288

Created May 20, 2011 16:37

Creating a property list programmatically

	NSMutableDictionary *rootObj = [NSMutableDictionary dictionaryWithCapacity:2];
	NSDictionary *innerDict;
	NSString *name;
	NSDate *dob;
	NSArray *scores;

	scores = [NSArray arrayWithObjects:[NSNumber numberWithInt:6],
	[NSNumber numberWithFloat:4.6],
	[NSNumber numberWithLong:6.0000034],
	nil];

nathanclark / gist:1111967

Created July 28, 2011 17:06

View+CoreData Validation

	- (void)displayValidationError:(NSError *)anError {
	NSLog(@"error domain, %@",[anError domain]);
	if (anError && [[anError domain] isEqualToString:@"NSCocoaErrorDomain"]) {
	NSArray *errors = nil;

	// multiple errors?
	if ([anError code] == NSValidationMultipleErrorsError) {
	errors = [[anError userInfo] objectForKey:NSDetailedErrorsKey];
	} else {
	errors = [NSArray arrayWithObject:anError];

nathanclark / Chore.h

Created August 3, 2011 18:38

	#import <Foundation/Foundation.h>
	#import <CoreData/CoreData.h>

	@class Assignment;

	@interface Chore : NSManagedObject

	@property (nonatomic, retain) NSString * name;
	@property (nonatomic, retain) NSNumber * doMonday;
	@property (nonatomic, retain) NSNumber * doSunday;

nathanclark / gist:1230034

Created September 20, 2011 19:14

I need yesterday's date just after midnight

	NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
	[gregorian autorelease];
	NSCalendarUnit unitFlags = NSYearCalendarUnit \| NSMonthCalendarUnit \| NSDayCalendarUnit \| NSHourCalendarUnit \| NSMinuteCalendarUnit \| NSSecondCalendarUnit;

	NSDateComponents *component =[gregorian components:unitFlags fromDate:[[NSDate date] addTimeInterval: -86400.0]];
	[component setHour:0]; //12a.m.
	[component setMinute:0];
	[component setSecond:1];
	NSDate *yestedayAtMidnight = [gregorian dateFromComponents:component];

nathanclark / gist:1284613

Created October 13, 2011 15:55

Box2D touch wheel rotation

	//
	// HelloWorldLayer.mm
	//
	// Created by Nathan Clark on 10/13/11.
	// Copyright self 2011. All rights reserved.
	//


	// Import the interfaces
	#import "HelloWorldLayer.h"

nathanclark / gist:1482630

Created December 15, 2011 20:03

	- (void)accelerometer:(UIAccelerometer )accelerometer didAccelerate:(UIAcceleration )acceleration {

	/* Basic setup to translate the tile to gravity */
	b2Vec2 gravity(-acceleration.y * 15, acceleration.x *15);
	_world->SetGravity(gravity);


	/* First lets figure out the angle to which the iPad is tilted*/
	float angle = atan2(acceleration.x, -acceleration.y);

nathanclark / gist:1565952

Created January 5, 2012 16:16



	#import "CCPageBox2dBase.h"

	@implementation CCPageBox2dBase
	@synthesize levelHelperName = _levelHelperName;
	- (void)setupWorld {
	b2Vec2 gravity = b2Vec2(0.0f, 0.0f);
	bool doSleep = false;
	_world = new b2World(b2Vec2(0,0), doSleep);

nathanclark / iOSDocumentMigrator.m

Created February 21, 2012 20:43 — forked from naokits/iOSDocumentMigrator.m

Helps migrating documents between iOS <= 5.0 and >= 5.0.1 to comply with Apple's iCloud guidelines. Follow @steipete on Twitter for updates.

	#include <sys/xattr.h>

	/// Set a flag that the files shouldn't be backuped to iCloud.
	+ (void)addSkipBackupAttributeToFile:(NSString *)filePath {
	u_int8_t b = 1;
	setxattr([filePath fileSystemRepresentation], "com.apple.MobileBackup", &b, 1, 0, 0);
	}

	/// Returns the legacy storage path, used when the com.apple.MobileBackup file attribute is not available.
	+ (NSString *)legacyStoragePath {

nathanclark / gist:3941921

Created October 23, 2012 21:59

	// If the 1st suffix is not found and if fallback is enabled then fallback suffixes are going to searched. If none is found, it will try with the name without suffix.
	// On iPad HD : "-ipadhd", "-ipad", "-hd"
	// On iPad : "-ipad", "-hd"
	// On iPhone HD: "-hd"
	CCFileUtils *sharedFileUtils = [CCFileUtils sharedFileUtils];
	[sharedFileUtils setEnableFallbackSuffixes:NO]; // Default: NO. No fallback suffixes are going to be used
	[sharedFileUtils setiPhoneRetinaDisplaySuffix:@"-hd"]; // Default on iPhone RetinaDisplay is "-hd"
	[sharedFileUtils setiPadSuffix:@"-ipad"]; // Default on iPad is "ipad"
	[sharedFileUtils setiPadRetinaDisplaySuffix:@"-ipadhd"]; // Default on iPad RetinaDisplay is "-ipadhd"

Nathan Clark nathanclark