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How do I hide an element when printing a web page?

...not complete. You have to have two media sections. @media print and @media screen. In the print section, you place your styles for printing. In the screen screen section, you place your styles for screen printing. You can even have multiple screen sections for different resolutions. Basically if you...
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what exactly is device pixel ratio?

...ssion The CSS "pixel" is not even defined as "one picture element on some screen", but rather as a non-linear angular measurement of viewing angle, which is approximately of an inch at arm's length. Source: CSS Absolute Lengths This has lots of implications when it comes to web design, such as p...
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Get screen width and height in Android

How can I get the screen width and height and use this value in: 29 Answers 29 ...
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How Do I Take a Screen Shot of a UIView?

I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage . 15 Answers ...
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Full screen background image in an activity

I see many applications that use a full-screen image as background. This is an example: 13 Answers ...
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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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Android emulator shows nothing except black screen and adb devices shows “device offline”

...ulator by issuing the command emulator @A2 , an emulator comes up on the screen. But even after waiting for as long as 2-3 hrs, all it shows is a black screen. Not even the android home screen or the android logo. Just a black screen. And while initially "adb devices" shows the emulator as offline...
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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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响应式web设计之@media screen,手机网页自适应 - 更多技术 - 清泛网 - 专...

响应式web设计之@media screen,手机网页自适应@media screen and (max-width: 600px) { *当屏幕尺寸小于600px时,应用下面的CSS样式* .class {background: #ccc;}}@media scre... @media screen and (max-width: 600px) { /*当屏幕尺寸小于600px时,应用下面的CSS样式*/ ...
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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...