chrishulbert

var dgram = require('dgram'); // dgram is UDP

// Listen for responses
function listen(port) {
	var server = dgram.createSocket("udp4");

	server.on("message", function (msg, rinfo) {
		console.log("server got: " + msg + " from " + rinfo.address + ":" + rinfo.port);
	});

chrishulbert

import socket

minissdpdSocket = '/var/run/minissdpd.sock' # The socket for talking to minissdpd

# Sends a message to the given socket
def sendMessage(message):
	s = socket.socket(socket.AF_UNIX)
	s.settimeout(1) # 1 second timeout, after all it should be instant because its local
	s.connect(minissdpdSocket)
	s.send(message)

chrishulbert

#include <netinet/in.h>
#include <sys/socket.h>
#include <unistd.h>
#include <arpa/inet.h>

- (void)sendBroadcastPacket {
    // Open a socket
    int sd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
    if (sd<=0) {
        NSLog(@"Error: Could not open socket");

chrishulbert

- (UIImage *)radialGradientImage:(CGSize)size start:(float)start end:(float)end centre:(CGPoint)centre radius:(float)radius {
	// Render a radial background
	// http://developer.apple.com/library/ios/#documentation/GraphicsImaging/Conceptual/drawingwithquartz2d/dq_shadings/dq_shadings.html

	// Initialise
	UIGraphicsBeginImageContextWithOptions(size, YES, 1);

	// Create the gradient's colours
	size_t num_locations = 2;
	CGFloat locations[2] = { 0.0, 1.0 };

chrishulbert

+(NSString*)urlEscape:(NSString *)unencodedString {
	NSString *s = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL,
		(CFStringRef)unencodedString,
		NULL,
		(CFStringRef)@"!*'\"();:@&=+$,/?%#[]% ",
		kCFStringEncodingUTF8);
	return [s autorelease]; // Due to the 'create rule' we own the above and must autorelease it
}

// Put a query string onto the end of a url

chrishulbert

@interface SizableImageCell : UITableViewCell {}
@end
@implementation SizableImageCell
- (void)layoutSubviews {
    [super layoutSubviews];

	float desiredWidth = 80;
	float w=self.imageView.frame.size.width;
	if (w>desiredWidth) {
		float widthSub = w - desiredWidth;

chrishulbert

UILabel *myLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 320, 9999)];
myLabel.lineBreakMode = UILineBreakModeWordWrap;
myLabel.numberOfLines = 0;
myLabel.text = @"Some \n dynamic \n multiline \n text";
[myLabel sizeToFit]; // This shrinks the 9999 down to the size of the text
NSLog(@"Actual height is: %f", myLabel.frame.size.height); // Use this for spacing any further elements
[self.view addSubview:title]; // Or add it to a scroll view, or whatever...
[myLabel release];

chrishulbert

-(UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
	UILabel *lbl = [[[UILabel alloc] init] autorelease];
	lbl.textAlignment = UITextAlignmentCenter;
	lbl.font = [UIFont fontWithName:@"Helvetica-Bold" size:18];
	lbl.text = @"My Centered Header";
	lbl.textColor = [UIColor whiteColor];
	lbl.shadowColor = [UIColor grayColor];
	lbl.shadowOffset = CGSizeMake(0,1);
	lbl.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"my_head_bg"]];
	lbl.alpha = 0.9;

chrishulbert

- (void)swipeLeft {
	NSLog(@"Left!");
}
- (void)swipeRight {
	NSLog(@"Right!");
}

- (void)viewDidLoad
{
    [super viewDidLoad];

chrishulbert

// Using grand central dispatch (GCD) so we don't block the GUI
dispatch_async(dispatch_get_global_queue(0, 0), ^{
    
    // Background, long stuff runs here, but doesn't affect the GUI
    
    dispatch_async(dispatch_get_main_queue(), ^{

        // The GUI thread stuff goes here
        [self.tableView reloadData]; // example