emarashliev

#include <CoreFoundation/CoreFoundation.h>

void notificationCallback (CFNotificationCenterRef center,
                           void * observer,
                           CFStringRef name,
                           const void * object,
                           CFDictionaryRef userInfo) 
{
    CFShow(CFSTR("Received notification (dictionary):"));
    // print out user info

emarashliev

#import "A.h"
#import <objc/runtime.h>

@implementation A (EatApple)

- (void)printAppleOverride
{
    [self printAppleOverride];
    NSLog(@"Eat that Apple");
}

emarashliev

rm -rf `ls /tmp | grep  something`

emarashliev

find . -type f -print | xargs grep "some test ..."

emarashliev

@implementation Singleton

static id _sharedManager;

+ (instancetype)sharedManager
{
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _sharedManager = [[self alloc] init];
    });

emarashliev

- (void)viewDidLoad
{
    [super viewDidLoad];

    NSMutableArray *resources = [[NSMutableArray alloc] init];
    NSURL *URL = [NSURL URLWithString:@"http://localhost:8080"];
    AFHTTPClient *manager = [[AFHTTPClient alloc] initWithBaseURL:URL];
    [manager GET:@"/messages" parameters:nil success:^(NSHTTPURLResponse *response, id responseObject) {
        [resources addObjectsFromArray:responseObject[@"resources"]];
        

emarashliev

NSString *sourceString = [[NSThread callStackSymbols] objectAtIndex:1];
NSCharacterSet *separatorSet = [NSCharacterSet characterSetWithCharactersInString:@" -[]+?.,"];
NSMutableArray *array = [NSMutableArray arrayWithArray:[sourceString  componentsSeparatedByCharactersInSet:separatorSet]];
Class callerClass =  NSClassFromString([array objectAtIndex:3]);

emarashliev

//  Set non ARC flag (-fno-objc-arc) for the execution file    
//  http://stackoverflow.com/questions/6646052/how-can-i-disable-arc-for-a-single-file-in-a-project
//
//
    NSMutableArray *mutableArrayOrginal = [NSMutableArray arrayWithObjects:@"asdasd", nil];
    NSLog(@"mutableArrayOrginal address is: %p", mutableArrayOrginal);
    NSMutableArray *mutableArrayCopy = [mutableArrayOrginal copy];
    NSLog(@"mutableArrayCopy address is: %p", mutableArrayCopy);
    
    if ([mutableArrayOrginal isEqual:mutableArrayCopy]) {

emarashliev

- (void)copyItems:(id)sender {
     UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
     NSMutableArray *items = [NSMutableArray arrayWithCapacity:_selectionView.selection.count];
     for (TTShapeModelObject *shp in _selectionView.selection) {

       [item setObject:[NSKeyedArchiver archivedDataWithRootObject:shp] forKey:@"TTShapeModelObject"];
       [items addObject:item];    
     }

	pasteboard.items = items;

emarashliev

class Offer < ActiveRecord::Base
  belongs_to :offer_type
  belongs_to :offer_rate
  belongs_to :city
  belongs_to :location

...
end