kristopherjohnson

// Copyright (c) 2017 Kristopher Johnson
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//

quellish

[[managedObject managedObjectContext] performBlock:^{
	NSString *value = [managedObject someValue];
	[NSOperationQueue mainQueue] addOperationWithBlock:^{
		[[self label] setText:value];
	}];
}];

quellish

- (void) saveManagedObjectContext:(NSManagedObjectContext *)managedObjectContext withCompletion::(void (^)(BOOL, NSError *))completio{
	managedObjectContext performBlock:^{
		NSError	*error	= nil;

		if (![managedObjectContext save:&error]){
			completion(NO, error);
		} else {
			if ([managedObjectContext parentContext] != nil){
				[self saveManagedObjectContext:[managedObjectContext parentContext] withCompletion:completion];
			} else {

quellish

[managedObjectContext performBlock:^{
	NSError	*error	= nil;

	if (![managedObjectContext save:&error]){
		[self handleError:error];
	}
}];

quellish

- (void) allPeopleInManagedObjectContext:(NSManagedObjectContext *)managedObjectContext withCompletion:(void (^)(NSArray*, NSError*))completion {
	[managedObjectContext performBlock:^{
		NSError				*error			= nil;
		NSArray				*results		= nil;
		NSFetchRequest		*fetchRequest	= nil;
		NSPredicate			*predicate		= nil;
		NSEntityDescription	*entity			= nil;

		fetchRequest = [[NSFetchRequest alloc] init];
		entity = [NSEntityDescription entityForName:@"Person" inManagedObjectContext:context];

cabeca

#!/usr/bin/env ruby

device_types_output = `xcrun simctl list devicetypes`
device_types = device_types_output.scan /(.*) \((.*)\)/

runtimes_output = `xcrun simctl list runtimes`
runtimes = runtimes_output.scan /(.*) \(.*\) \((com.apple[^)]+)\)$/

devices_output = `xcrun simctl list devices`
devices = devices_output.scan /\s\s\s\s(.*) \(([^)]+)\) (.*)/

quellish

NSEntityDescription	*entityDescription	= nil;
NSArray				*attributeNames		= nil;
NSDictionary		*mappedValues		= nil;

entityDescription = [managedObject entity];
attributeNames = [[entity attributesByName] allKeys];
mappedValues = [jsonObject dictionaryWithValuesForKeys:attributeKeys];
[managedObject setValuesForKeysWithDictionary:mappedValues];

quellish

group = dispatch_group_create();
dispatch_group_enter(group);
[context performBlock:^{
    result = [context executeFetch:...
    dispatch_group_leave(group);
}];
groupResult = dispatch_group_wait(group, DISPATCH_TIME_FOREVER);

quellish

- (void) fetchThingsWithCompletion:(void (^)(NSArray *, NSError *))completion{
    [context performBlock:^{
         result = [context executeFetch:...
          if (completion != nil){
              completion(result, error);
          }
    }];
}

Catharz

/*
    Some syntactic sugar for dealing with Time in Swift

    Examples:
        3.days.inHours
        3.6.hours.ago
        12.hours.inDays
*/