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UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn

...ion code - (void)showcamera { imagePicker = [[UIImagePickerController alloc] init]; [imagePicker setDelegate:self]; [imagePicker setSourceType:UIImagePickerControllerSourceTypeCamera]; [imagePicker setAllowsEditing:YES]; [self presentModalViewController:imagePicker animated:YES...
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Calling closure assigned to object property directly

... As of PHP7, you can do $obj = new StdClass; $obj->fn = function($arg) { return "Hello $arg"; }; echo ($obj->fn)('World'); or use Closure::call(), though that doesn't work on a StdClass. Before PHP7, you'd have to implem...
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How to benchmark efficiency of PHP script

I want to know what is the best way to benchmark my PHP scripts. Does not matter if a cron job, or webpage or web service. ...
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Get characters after last / in url

... in php7 Returns notice: PHP Notice: Only variables should be passed by reference. – billynoah Jan 10 '17 at 14:25 ...
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How do I make a request using HTTP basic authentication with PHP curl?

I'm building a REST web service client in PHP and at the moment I'm using curl to make requests to the service. 11 Answers ...
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Can you attach a UIGestureRecognizer to multiple views?

...matically UITapGestureRecognizer *tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didPressed:)]; [self.view1 addGestureRecognizer:tapRecognizer]; [self.view2 addGestureRecognizer:tapRecognizer]; Output view1 has no gesture recognizers array ; view2 has got ges...
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What is the difference between public, private, and protected?

...e property / method will be public. More: (For comprehensive information) PHP Manual - Visibility share | improve this answer | follow | ...
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String comparison using '==' vs. 'strcmp()'

It seems that PHP's === operator is case sensitive. So is there a reason to use strcmp() ? 13 Answers ...
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Programmatically set the initial view controller using Storyboards

...ngWithOptions:(NSDictionary *)launchOptions { self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds]; UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil]; UIViewController *viewController = // determine the initial view controlle...
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PHP - concatenate or directly insert variables in string

I am wondering, What is the proper way for inserting PHP variables into a string? This way: 14 Answers ...