Indragie Karunaratne indragiek
indragiek
/ gist:11198270
Created
April 22, 2014 23:49
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| // Create an RBTCentralManager | |
| self.manager = [[RBTCentralManager alloc] init]; | |
| // Scan and connect to all the peripherals | |
| RACDisposable *disposable = [[[[[self.manager.stateSignal | |
| takeUntilBlock:^BOOL(NSNumber *state) { | |
| return (state.integerValue == CBCentralManagerStatePoweredOn); | |
| }] then:^RACSignal *{ | |
| return [self.manager scanForPeripheralsWithServices:nil options:nil]; | |
| }] reduceEach:^(CBPeripheral *peripheral, NSDictionary *advertisementData, NSNumber *RSSI) { |
indragiek
/ gist:383c4cd74c86098506b1
Created
February 20, 2014 21:44
List of XEP's supported by Flamingo (http://flamingo.im)
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| XEP-0115 (Capabilities) | |
| XEP-0054 (vCard) | |
| XEP-0153 (Avatars) | |
| XEP-0092 (Software Version) | |
| XEP-0085 (Chat State) | |
| XEP-0199 (Ping) | |
| XEP-0203 (Delay) | |
| XEP-0095 (Stream Initiation) | |
| XEP-0096 (SI File Transfer) | |
| XEP-0065 (SOCKS5 Bytestreams) |
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| typedef void (^FGOConfigurationBlock)(id); | |
| @interface FGOManagedObjectContextStack : NSObject | |
| - (id)initWithModelName:(NSString *)modelName; | |
| - (RACSignal *)save; | |
| #pragma mark - Fetching | |
| - (RACSignal *)fetchImmediatelyWithRequest:(NSFetchRequest *)request; |
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| - (id)insertObjectOfEntityName:(NSString *)entityName configure:(void(^)(id))block | |
| { | |
| NSAssert([NSThread isMainThread], @"Wrong thread bro"); | |
| NSManagedObject *object = [NSEntityDescription insertNewObjectForEntityForName:entityName inManagedObjectContext:self.mainQueueContext]; | |
| if (block) block(object); | |
| NSError *error = nil; | |
| if (![self.mainQueueContext save:&error]) { | |
| NSLog(@"Error saving MOC: %@", error); | |
| } | |
| return object; |
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| + (NSDate *)compileDate | |
| { | |
| BOOL (^stringContainsQuestionMark)(NSString *) = ^BOOL (NSString *string) { | |
| return [string rangeOfString:@"?"].location != NSNotFound; | |
| }; | |
| NSMutableString *dateString = @(__DATE__).mutableCopy; | |
| NSString *timeString = @(__TIME__); | |
| if (stringContainsQuestionMark(dateString) || stringContainsQuestionMark(timeString)) { | |
| return nil; |
indragiek
/ gist:5897899
Last active
December 19, 2015 04:29
Recursive Core Data saves with RAC. Works with nested contexts!
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| @implementation NSManagedObjectContext (INAdditions) | |
| - (RACSignal *)in_saveChanges | |
| { | |
| return [[RACSignal startEagerlyWithScheduler:RACScheduler.scheduler block:^(id<RACSubscriber> subscriber) { | |
| __block void (^recursiveBlock)(NSManagedObjectContext *); | |
| recursiveBlock = [^(NSManagedObjectContext *context) { | |
| [context performBlock:^{ | |
| NSError *error = nil; | |
| [context save:&error]; |
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| NSString *sanitizedString = [URLString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; | |
| NSURL *URL = [NSURL URLWithString:sanitizedString]; |
indragiek
/ gist:5297435
Last active
March 5, 2023 21:55
Draft of a ReactiveCocoa based interface for CoreData
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| // | |
| // FGOManagedObjectContextStack.h | |
| // | |
| // Created by Indragie Karunaratne on 2012-12-23. | |
| // | |
| #import <Foundation/Foundation.h> | |
| typedef void (^FGOConfigurationBlock)(id); |
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| - (void)fetchWithRequest:(NSFetchRequest *)request | |
| completion:(void(^)(NSArray *results, NSError *error))handler | |
| { | |
| [request setResultType:NSManagedObjectIDResultType]; | |
| void (^executeHandler)(NSArray *, NSError *) = ^(NSArray *results, NSError *error){ | |
| dispatch_async(dispatch_get_main_queue(), ^{ | |
| if (handler) handler(results, error); | |
| }); | |
| }; | |
| [self.backgroundContext performBlock:^{ |
indragiek
/ gist:4659386
Last active
December 11, 2015 20:59
Fix for NSSplitView's non integral drawing/frame calculations
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| // In an NSSplitView subclass | |
| - (void)drawDividerInRect:(NSRect)rect | |
| { | |
| [super drawDividerInRect:NSIntegralRect(rect)]; | |
| } | |
| // In NSSplitViewDelegate implementation | |
| - (CGFloat)splitView:(NSSplitView *)splitView constrainSplitPosition:(CGFloat)proposedPosition ofSubviewAt:(NSInteger)dividerIndex |