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Retina displays, high-res background images

...his answer, here is the retina detection query I tend to use: @media only screen and (-webkit-min-device-pixel-ratio: 2), only screen and ( min--moz-device-pixel-ratio: 2), only screen and ( -o-min-device-pixel-ratio: 2/1), only screen and ( min-device-pixel-ratio: 2), only screen and ...
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Any way to clear python's IDLE window?

...ch will clear a terminal (ie a DOS prompt, or terminal window). From your screenshot, you are using the shell within IDLE, which won't be affected by such things. Unfortunately, I don't think there is a way to clear the screen in IDLE. The best you could do is to scroll the screen down lots of li...
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Hide separator line on one UITableViewCell

...iteMagnitude) } or : cell.separatorInset = UIEdgeInsetsMake(0, 0, 0, UIScreen.main.bounds.width) for default Margin: cell.separatorInset = UIEdgeInsetsMake(0, tCell.layoutMargins.left, 0, 0) to show separator end-to-end cell.separatorInset = .zero Objective-C: if (indexPath.row == {yo...
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Why are my CSS3 media queries not working?

...he query won't work either. .edcar_letter{ font-size:180px; } @media screen and (max-width: 350px) { .edcar_letter{ font-size:120px; } } share | improve this answer |...
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Android Camera Preview Stretched

...malSize; } As you can see you have to input width and height of your screen. This method will calculate screen ratio based on those values and then from the list of supportedPreviewSizes it will choose the best for you from avaliable ones. Get your supportedPreviewSize list in place where Came...
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Should I use pt or px?

... of an inch (0.25mm) or a little more. The px unit got its name from those screen pixels. Nowadays there are devices that could in principle display smaller sharp dots (although you might need a magnifier to see them). But documents from the last century that used px in CSS still look the same, no m...
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How can I detect the touch event of an UIImageView?

...n use that technique for many cases where you really want some area of the screen to act as a button instead of messing with the Touch stuff. share | improve this answer | fo...
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How to set dialog to show in full screen? [closed]

...a dialog, on which the picture that i have selected should display in full screen. 5 Answers ...
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Detect rotation of Android phone in the browser with JavaScript

I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle. ...
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#ifdef replacement in the Swift language

...he music library, which doesn't exist on the Simulator. How, then, to take screen shots on the Simulator for devices I don't own? Without those screen shots, I can't submit to the AppStore. I need fake data and a different way of processing it. I have two environment variables: one which, when swit...