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-(UIView*)paddingViewWithImage:(UIImageView*)imageView andPadding:(float)padding
{
    float height = CGRectGetHeight(imageView.frame);
    float width =  CGRectGetWidth(imageView.frame) + padding;
    
    UIView *paddingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, width, height)];
    
    [paddingView addSubview:imageView];
    
    return paddingView;

psobko

//Setup
NSTimer *aTimer = [NSTimer scheduledTimerWithTimeInterval:0.1f
                                                   target:self
                                                 selector:@selector(someSelector)
                                                 userInfo:nil
                                                  repeats:YES];
                                                  
//Tear down
[aTimer invalidate];
aTimer = nil;

psobko

//Remove seperator insets on iOS7

[self.tableView setSeparatorInset:UIEdgeInsetsZero];

//Set a custom cell seperator

self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
...

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static NSString *cellIdentifier = @"SomeCell";
    
    QRScanCell *cell = [self.tableView dequeueReusableCellWithIdentifier:cellIdentifier];
       if (!cell)
    {
        NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"SomeCellNib"
                                                     owner:self
                                                   options:nil];
        cell = [nib lastObject];
    }

psobko

typedef enum {
    UIKeyboardTypeDefault,                // Default type for the current input method.
    UIKeyboardTypeASCIICapable,           // Displays a keyboard which can enter ASCII characters, non-ASCII keyboards remain active
    UIKeyboardTypeNumbersAndPunctuation,  // Numbers and assorted punctuation.
    UIKeyboardTypeURL,                    // A type optimized for URL entry (shows . / .com prominently).
    UIKeyboardTypeNumberPad,              // A number pad (0-9). Suitable for PIN entry.
    UIKeyboardTypePhonePad,               // A phone pad (1-9, *, 0, #, with letters under the numbers).
    UIKeyboardTypeNamePhonePad,           // A type optimized for entering a person's name or phone number.
    UIKeyboardTypeEmailAddress,           // A type optimized for multiple email address entry (shows space @ . prominently).

psobko

XCTFail (format…)
XCTAssertNil (a1, format…)
XCTAssertNotNil (a1, format…)
XCTAssert (a1, format…)
XCTAssertTrue (a1, format…)
XCTAssertFalse (a1, format…)
XCTAssertEqualObjects (a1, a2, format…)
XCTAssertEquals (a1, a2, format…)
XCTAssertEqualsWithAccuracy (a1, a2, accuracy, format…)
XCTAssertThrows (expression, format…)

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- (void)textFieldDidBeginEditing:(UITextField *)textField
{
    UITextPosition *beginning = [textField beginningOfDocument];
    [textField setSelectedTextRange:[textField textRangeFromPosition:beginning
                                                          toPosition:beginning]];
}

psobko

//H

@interface UITextField(UITextFieldCategory) {

}
- (CGRect)editingRectForBounds:(CGRect)bounds;
- (CGRect)textRectForBounds:(CGRect)bounds;
@end

//M

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#define IS_IPHONE_5 ( fabs( ( double )[ [ UIScreen mainScreen ] bounds ].size.height - ( double )568 ) < DBL_EPSILON )

psobko

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console