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Get Slightly Lighter and Darker Color from UIColor

...so, from @Riley's idea, it may be a better idea to make the color proprtionally darker or lighter instead of adding or subtracting constant values. As @jrturton pointed out, it's not necessary to manipulate the RGB components; it's better to modify the brightness property itself. All in all: @imple...
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ng-app vs. data-ng-app, what is the difference?

... It seems like such a waste of CPU cycles to manually strip off data- and x-. Why can't the HTML validation rules be changed to accept ng- stuff? – DaveAlger May 13 '15 at 14:43 ...
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Django template how to look up a dictionary value with a variable

...I find this easier to read and it avoids the need for special coding. I usually need the key and the value inside the loop anyway. share | improve this answer | follow ...
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Detecting request type in PHP (GET, POST, PUT or DELETE)

... By using $_SERVER['REQUEST_METHOD'] Example if ($_SERVER['REQUEST_METHOD'] === 'POST') { // The request is using the POST method } For more details please see the documentation for the $_SERVER variable. ...
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How to iterate a loop with index and element in Swift

...100, height: 100) button.addTarget(self, action: #selector(iterate(_:)), for: .touchUpInside) view.addSubview(button) } @objc func iterate(_ sender: UIButton) { let tuple = generator.next() print(String(describing: tuple)) } } PlaygroundPage.current.liv...
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Making macOS Installer Packages which are Developer ID ready

Note: This is for OS X Installer packages only, packages for submission to the Mac App Store follow different rules. 5 ...
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Center HTML Input Text Field Placeholder

... input{ text-align:center; } is all you need. Working example in FF6. This method doesn't seem to be cross-browser compatible. Your previous CSS was attempting to center the text of an input element which had a class of "placeholder". ...
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Composer: how can I install another dependency without updating old ones?

I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output: ...
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Best way to parse RSS/Atom feeds with PHP [closed]

...e RSS experience and needs a better parser. – duality_ Jul 30 '11 at 13:49 3 In case somebody nee...
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What is a callback function?

What is a callback function? 21 Answers 21 ...