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iOS app error - Can't add self as subview

...^(MyUser *user) { ProfileViewController *pvc = [[ProfileViewController alloc] initWithUser:user]; [_dataViewController.navigationController pushViewController:pvc animated:YES navigationLock:lock]; }]; Basically, the rule is: before any non user related delays grab a lock from the relevant...
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Total number of items defined in an enum

...h the Enum.GetValues and Enum.GetNames as listed above seem like they risk allocating a whole new array just to get a fixed length, which seems... well, horrible. Does anyone know if this approach does indeed incur dynamic allocation? If so, for certain use cases it seems far and away the most perfo...
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Is there a PHP function that can escape regex patterns before they are applied?

Is there a PHP function that can escape regex patterns before they are applied? 2 Answers ...
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How to make completely transparent navigation bar in iOS 7

...or]; [self.navigationController.navigationBar setBackgroundImage:[[UIImage alloc] init] forBarMetrics:UIBarMetricsDefault]; self.navigationController.navigationBar.shadowImage = [[UIImage alloc] init]; self.navigationController.navigationBar.backgroundColor = [UIColor clearColor]; ...
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Convert stdClass object to array in PHP

... class object to array.Cast the object to array by using array function of php. Try out with following code snippet. /*** cast the object ***/ foreach($stdArray as $key => $value) { $stdArray[$key] = (array) $value; } /*** show the results ***/ print_r( $stdArray ); ...
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How would I skip optional arguments in a function call?

OK I totally forgot how to skip arguments in PHP. 19 Answers 19 ...
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jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON

... need a string out of an existing JSON string, just stringify it again. in PHP, that would be var jsonEncodedAsString = <?= json_encode(myEncodedJson) ?> where myEncodedJson is the result of a previous json_encode That will take care of escaping your single quote, actually, it will just output...
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MassAssignmentException in Laravel

...he UsersTableSeeder seeder manually through artisan, like you did with the php artisan db:seed --class="UsersTableSeeder" command, you bypass this DatabaseSeeder class. In this DatabaseSeeder class the command Eloquent::unguard(); allows temporary mass assignment on all tables, which is exactly wha...
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30条爆笑的程序员梗 PHP是最好的语言 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术

30条爆笑的程序员梗 PHP是最好的语言程序人员写程序,又将程序换酒钱;酒醒只在屏前坐,酒醉还来屏下眠;酒醉酒醒日复日,得自娱自乐才行。1.问答Q:你是怎么区分一个内向的程序员...程序人员写程序,又将程序换酒钱;酒醒只在屏...
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Text inset for UITextField?

...t a left margin, you can try this: UItextField *textField = [[UITextField alloc] initWithFrame:...]; UIView *leftView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 10, textField.frame.size.height)]; leftView.backgroundColor = textField.backgroundColor; textField.leftView = leftView; textField.le...