rsms

int main (int argc, const char * argv[]) {
  dispatch_queue_t waitingChairs = dispatch_queue_create("waitingChairs", 0);
  dispatch_queue_t barber = dispatch_queue_create("barber", 0);
  dispatch_semaphore_t semaphore = dispatch_semaphore_create(3);
  NSInteger ident = 0;
  while (++ident) {
    if (dispatch_semaphore_wait(semaphore, DISPATCH_TIME_NOW) != 0) {
      printf("Customer %d turned away\n", ident);
      continue;
    }

collindonnell

- (void)drawGradientInContext:(CGContextRef)context withStartPosition:(CGPoint)startPosition endPosition:(CGPoint)endPosition startColor:(UIColor *)startColor endColor:(UIColor *)endColor 
{
    CGFloat locations[2] = {0.0, 1.0};
	const CGFloat *startComponents = CGColorGetComponents(startColor.CGColor);
	const CGFloat *endComponents = CGColorGetComponents(endColor.CGColor);
    CGFloat components[8] = {startComponents[0], startComponents[1], startComponents[2], startComponents[3], endComponents[0], endComponents[1], endComponents[2], endComponents[3]};
    
    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    CGGradientRef gradient = CGGradientCreateWithColorComponents(colorSpace, components, locations, 2);
    CGContextDrawLinearGradient(context, gradient, startPosition, endPosition, 0);

c0diq

#!/bin/bash
#
# (Above line comes out when placing in Xcode scheme)
#
# Inspired by original script by incanus:
# https://gist.github.com/1186990
#
# Rewritten by martijnthe:
# https://gist.github.com/1379127
#

ecridge

#!/usr/bin/env bash

# Lets you `cd 'iCloud Drive'` from your home directory,
# or `cd ~/iCloud\ Drive` from elsewhere.
ln -sv ~/Library/Mobile\ Documents/com~apple~CloudDocs/ ~/iCloud\ Drive
chflags -h hidden ~/iCloud\ Drive