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Obscure a UITextField password

... Is there a way that I can even hide the character to be displayed at all? I don't want the character to be seen at all. – Maninder Singh Aug 1 '19 at 3:51 ...
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Python initializing a list of lists [duplicate]

... The problem is that they're all the same exact list in memory. When you use the [x]*n syntax, what you get is a list of n many x objects, but they're all references to the same object. They're not distinct instances, rather, just n references to the sam...
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Concept of void pointer in C programming

...ligned at 4-byte boundary to be dereferenced). For example, reading uint16_t from void*: /* may receive wrong value if ptr is not 2-byte aligned */ uint16_t value = *(uint16_t*)ptr; /* portable way of reading a little-endian value */ uint16_t value = *(uint8_t*)ptr | ((*((uint8_t*)...
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AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'

...nswered Oct 16 '13 at 15:54 gion_13gion_13 38.3k99 gold badges9090 silver badges101101 bronze badges ...
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What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each

... The access_token is what you need to call a protected resource (an API). In the Authorization Code flow there are 2 steps to get it: User must authenticate and returns a code to the API consumer (called the "Client"). The "client" of the API (usually your web s...
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Download File Using Javascript/jQuery

... A webpage cannot open a new tab automatically. To force the browser to download, get the server to send the pdf file with a nonsense MIME-type, such as application/x-please-download-me – Randy the Dev Sep 20 '10 at 7:55 ...
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How do I get the entity that represents the current user in Symfony2?

...* * @var Security */ private $security; public function __construct(Security $security) { $this->security = $security; } public function privatePage() : Response { $user = $this->security->getUser(); // null or UserInterface, if logged in ...
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Replacing all non-alphanumeric characters with empty strings

... Use [^A-Za-z0-9]. Note: removed the space since that is not typically considered alphanumeric. share | improve this answer | follow | ...
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Stack, Static, and Heap in C++

...t understood very well these three concepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap? ...
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Make a UIButton programmatically in Swift

..., 500) myFirstButton.addTarget(self, action: #selector(myClass.pressed(_:)), forControlEvents: .TouchUpInside) self.view.addSubview(myFirstLabel) self.view.addSubview(myFirstButton) } @objc func pressed(sender: UIButton!) { var alertView = UIAlertView() alertView.addButtonWithTi...