akdsouza

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
    NSString *info = @"http://codeafterhours.wordpress.com";
    
    // Generation of QR code image
    NSData *qrCodeData = [info dataUsingEncoding:NSISOLatin1StringEncoding]; // recommended encoding
    CIFilter *qrCodeFilter = [CIFilter filterWithName:@"CIQRCodeGenerator"];
    [qrCodeFilter setValue:qrCodeData forKey:@"inputMessage"];

oanhnn

Problem

I have two Github accounts: oanhnn (personal) and superman (for work). I want to use both accounts on same computer (without typing password everytime, when doing git push or pull).

Solution

Use ssh keys and define host aliases in ssh config file (each alias for an account).

How to?

1. Generate ssh key pairs for accounts and add them to GitHub accounts.

pietbrauer

erase_sim:
	./reset_sim.sh 2>/dev/null; true

MihaelIsaev

import UIKit
import AVFoundation

class ViewController: UIViewController, AVCaptureMetadataOutputObjectsDelegate {

    @IBOutlet weak var myView: UIView!
    
    var session: AVCaptureSession?
    var device: AVCaptureDevice?
    var input: AVCaptureDeviceInput?

geekmanager

Making git use Sublime Text

First up, let's make Sublime Text 2 available from the command line in terminal, by creating a link to subl which is the launcher from terminal:

ln -s /Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl /usr/local/bin/sublime

(added bonus of this approach is when you upgrade to ST3 or change text editor, you can just redirect the symlink).

If there's any chance that bash doesn't check usr/local/bin then use [Launch Sublime Text 2 from Mac OSX Terminal] for more detailed instructions on how to make this happen.

iamjason

/**
Usage:

let originalImage = UIImage(named: "cat")
let tintedImage = originalImage.tintWithColor(UIColor(red: 0.9, green: 0.7, blue: 0.4, alpha: 1.0))

*/
extension UIImage {
  
  func tintWithColor(color:UIColor)->UIImage {

phatfly

I wanted to document the process that I went through to compile taglib for my iOS project.  

At the time of this writing I used TagLib 1.9.1

1. Download taglib at: http://taglib.github.io/

2. Download ios-make at: github.com/plenluno/ios-cmake

3. The ios-make file that you need is in the toolchain directory.  Copy the whole directory “toolchain” from inside the ios-make directory to taglib directory. 

adrienjoly

# You have to restart the core audio be pasting the following line into termnal
sudo kill `ps -ax | grep 'coreaudiod' | grep 'sbin' |awk '{print $1}'`

uknowho

+ (UIImage *)imageWithColor:(UIColor *)color andBounds:(CGRect)imgBounds {
    UIGraphicsBeginImageContextWithOptions(imgBounds.size, NO, 0);
    [color setFill];
    UIRectFill(imgBounds);
    UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    return img;
}

itsjustcon

+ (UIColor *) colorFromHexCode:(NSString *)hexString {
    NSString *cleanString = [hexString stringByReplacingOccurrencesOfString:@"#" withString:@""];
    if([cleanString length] == 3) {
        cleanString = [NSString stringWithFormat:@"%@%@%@%@%@%@",
                        [cleanString substringWithRange:NSMakeRange(0, 1)],[cleanString substringWithRange:NSMakeRange(0, 1)],
                        [cleanString substringWithRange:NSMakeRange(1, 1)],[cleanString substringWithRange:NSMakeRange(1, 1)],
                        [cleanString substringWithRange:NSMakeRange(2, 1)],[cleanString substringWithRange:NSMakeRange(2, 1)]];
    }
    if([cleanString length] == 6) {
        cleanString = [cleanString stringByAppendingString:@"ff"];