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CGRect _f = CGRectMake(0, 0, 200, 200);
CGFloat xPosition = CGRectGetWidth(self.view.frame) - CGRectGetWidth(_f);
_f.origin = CGPointMake(ceil(xPosition), 0.0);

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// .h
@interface NSNumber (Ranges)

- (NSRange)to:(NSNumber *)rangeEnd;
- (BOOL)isInRange:(NSRange)range;

@end

// .m
@implementation NSNumber (Ranges)

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#define POP_ALERT(title, msg) [[[[UIAlertView alloc] initWithTitle:title message:msg delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil]autorelease] show]

/*
Usage:
POP_ALERT(@"Title Here", @"Message Here");
*/

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- (void)viewDidLoad {
    [super viewDidLoad];
    
    UIView *holderView = [[UIView alloc] initWithFrame:CGRectMake(50.0f, 50.0f, 200.0f, 200.0f)];
    
    CAEmitterLayer *emitterLayer = [CAEmitterLayer layer];
    emitterLayer.frame = CGRectMake(0.0f, 0.0f, 200.0f, 200.0f);
    emitterLayer.emitterSize = CGSizeMake(20.0f, 20.0f);
    emitterLayer.emitterPosition = CGPointMake(90.0f, 90.0f);
    

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class SaveCancelToolbar < UIToolbar
  attr_writer :delegate
  
  def initWithFrame frame, andTitle: title
    super
    items = []

    spacer = UIBarButtonItem.alloc.initWithBarButtonSystemItem(UIBarButtonSystemItemFlexibleSpace, target:nil, action:nil)
    
    @cancel_button = UIBarButtonItem.alloc.initWithBarButtonSystemItem(UIBarButtonSystemItemCancel, target:self, action:'on_cancel:')

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NSString *const ASMultipleAssignmentException = @"Multiple Assignment Exception";

#ifndef CHECK_FOR_MULTI_ASSIGN
#define CHECK_FOR_MULTI_ASSIGN(ivar) \
    do { \
        if (ivar) { \
            NSString *AS_reason = @"Cannot assign to " #ivar " more than once"; \
            @throw [NSException exceptionWithName:ASMultipleAssignmentException \
                                           reason:AS_reason \
                                         userInfo:nil]; \

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#include <Time.h>  

/*

I have an accelerometer plugged into pins A0, A1 and A2 of an Arduino,
and I'm writing a CSV file (well the line breaks are wrong) to serial.

It depends on the time library (http://www.arduino.cc/playground/Code/Time),
which you install by extracting the download in the arduino `libraries`
directory and restarting arduino. (This actually provides three libraries.)

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class SaveCancelToolbar < UIToolbar
  attr_writer :delegate
  
  def initWithFrame frame, andTitle: title
    super
    items = []

    spacer = UIBarButtonItem.alloc.initWithBarButtonSystemItem(UIBarButtonSystemItemFlexibleSpace, target:nil, action:nil)
    
    @cancel_button = UIBarButtonItem.alloc.initWithBarButtonSystemItem(UIBarButtonSystemItemCancel, target:self, action:'on_cancel:')

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<p><a href="http://www.visionmobile.com/blog/2012/08/the-rise-of-the-new-app-economy/" mce_href="http://www.visionmobile.com/blog/2012/08/the-rise-of-the-new-app-economy/"><img src="http://www.visionmobile.com/uploads/infographics/8/VMInfographic_DE12_800.png" mce_src="http://www.visionmobile.com/uploads/infographics/8/VMInfographic_DE12_800.png" border="0" alt="Developer Economics 2012 - The Rise of the New App Economy" /></a></p>

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#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

int main ()
{
  pid_t child_pid;

  child_pid = fork ();
  if (child_pid > 0) {