centwave

- (NSDateFormatter *)formatter {
    static NSDateFormatter *formatter;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _formatter = [[NSDateFormatter alloc] init];
        _formatter.dateFormat = @"EEE MMM dd HH:mm:ss Z yyyy"; // twitter date format
    });
    return formatter;
}

centwave

// begin a new image context, to draw our colored image onto
UIGraphicsBeginImageContext(img.size);

// get a reference to that context we created
CGContextRef context = UIGraphicsGetCurrentContext();

// set the fill color
[color setFill];

centwave

# Header 1 #
## Header 2 ##
### Header 3 ###             (Hashes on right are optional)
#### Header 4 ####
##### Header 5 #####

## Markdown plus h2 with a custom ID ##         {#id-goes-here}
[Link back to H2](#id-goes-here)

This is a paragraph, which is text surrounded by whitespace. Paragraphs can be on one 

centwave

@interface MyClass:NSObject
{
     SystemSoundID mySound;
}
@implementation MyClass
- (void) viewDidLoad {
    [super viewDidLoad];

    NSString *soundPath = [[NSBundle mainBundle] pathForResource:@"changeTrack" ofType:@"aif"];
    AudioServicesCreateSystemSoundID((CFURLRef)[NSURL fileURLWithPath: soundPath], &mySound);

centwave

CGSize textSize = [label.text sizeWithFont:label.font
                         constrainedToSize:CGSizeMake(label.frame.size.width, MAXFLOAT)
                             lineBreakMode:label.lineBreakMode];
    
label.frame = (CGRect){.origin=label.origin,.size={ceilf(textSize.width), ceilf(textSize.height)}}};

centwave

#if __IPHONE_OS_VERSION_MIN_REQUIRED <= __IPHONE_6_1
  //code here
#endif

centwave

server {
  listen 80;
  server_name server_name;

  access_log /var/log/app/access.log;
  error_log /var/log/app/error.log;

  # https://docs.djangoproject.com/en/dev/howto/static-files/#serving-static-$
  location /static { # STATIC_URL
    alias /path/to/app/static; # STATIC_R$

centwave

# the IP(s) on which your node server is running. I chose port 3000.
upstream app_server {
    server 127.0.0.1:3000;
    keepalive 64;
}

# the nginx server instance
server {
    listen 80;
    server_name #{servername};

centwave

/* create a bar button item */
UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithTitle:@"button" style:UIBarButtonItemStylePlain target:self action:@selector(barButtonDidTap:)];
self.navigationItem.rightBarButtonItem = item;

/*
 * call back when bar button did tap
 */
- (void)barButtonDidTap:(id)sender
{
    //do something