ashfurrow

RACSignal *intervalSignal = [RACSignal interval:1];
RACSignal *startedIntervalSignal = [intervalSignal startWith:[NSDate date]];
RACSignal *mappedIntervalSignal = [startedIntervalSignal map:^id(NSDate *value) {
    NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:NSMinuteCalendarUnit | NSSecondCalendarUnit fromDate:value];
    
    return [NSString stringWithFormat:@"%d:%02d", dateComponents.minute, dateComponents.second];
}];

RAC(self.textField.text) = mappedIntervalSignal;

ashfurrow

RAC(self.textField.text) = [[[RACSignal interval:1] startWith:[NSDate date]] map:^id(NSDate *value) {
    NSDateComponents *dateComponents = [[NSCalendar currentCalendar] components:NSMinuteCalendarUnit | NSSecondCalendarUnit fromDate:value];
    
    return [NSString stringWithFormat:@"%d:%02d", dateComponents.minute, dateComponents.second];
}];

ashfurrow

[[RACSignal
   combineLatest:@[self.firstNameField.rac_textSignal, self.lastNameField.rac_textSignal]
          reduce:^(NSString *firstName, NSString *lastName){
              return @(firstName.length > 0 && lastName.length > 0);
          }] toProperty:@"enabled" onObject:self.button];

ashfurrow

[[self.textField.rac_textSignal filter:^BOOL(NSString *value) {
    return [value length] >= 3;
}] subscribeNext:^(NSString *value) {
    NSLog(@"Text field has been updated: %@", value);
}];

ashfurrow

[self.textField.rac_textSignal subscribeNext:^(NSString *value) {
    NSLog(@"Text field has been updated: %@", value);
}];

ashfurrow

#########################
# .gitignore file for Xcode4 / OS X Source projects
#
# Version 2.0
#    For latest version, see: http://stackoverflow.com/questions/49478/git-ignore-file-for-xcode-projects
#
# 2013 updates:
#    - fixed the broken "save personal Schemes"
#
# NB: if you are storing "built" products, this WILL NOT WORK,

ashfurrow

    
    self.gitHubCommand = [RACCommand command];
    
    self.gitHubSignal = [self.gitHubCommand addSignalBlock:^RACSignal *(id value) {
        RACReplaySubject *subject = [RACReplaySubject subject];
        
        [engine teamsInOrganization:@"TeehanLax" withSuccess:^(id result) {
            
            for (NSDictionary *team in result)
            {

ashfurrow

• Meet at 500px World HQ downstairs lobby at 4pm (317 Adelaide St. West)
• Taxi up to DVP at http://g.co/maps/6hg84
• Take amazing photos

Please tweet to @ashfurrow to confirm your attendance.

ashfurrow

iOS Developer

The 500px team is growing and we're looking for another iOS developer. You need to be able to work at 500px HQ at the corner of Peter and Adelaide in beautiful Toronto, Ontario.

Qualifications

• Excellent communication skills
• A history of shipping iOS software
• Ability to write idiomatic Objective-C code
• Deep understanding of Cocoa design patterns and API design

ashfurrow

CIImage* ciImage = [[CIImage alloc] initWithData:[drawnImage TIFFRepresentation]];
if ([drawnImage isFlipped])
{
    CGRect cgRect    = [ciImage extent];
    CGAffineTransform transform;
    transform = CGAffineTransformMakeTranslation(0.0,cgRect.size.height);
    transform = CGAffineTransformScale(transform, 1.0, -1.0);
    ciImage   = [ciImage imageByApplyingTransform:transform];
}
CIFilter* filter = [CIFilter filterWithName:@"CIColorInvert"];