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What is sr-only in Bootstrap 3?
...p's documentation, the class is used to hide information intended only for screen readers from the layout of the rendered page.
Screen readers will have trouble with your forms if you don't include a label for every input. For these inline forms, you can hide the labels using the .sr-only class....
Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...can't help but touch on it...
In short, they are used to define at which screen size that class should apply:
xs = extra small screens (mobile phones)
sm = small screens (tablets)
md = medium screens (some desktops)
lg = large screens (remaining desktops)
Read the "Grid
Options"
chapter...
Get the size of the screen, current web page and browser window
How can I get windowWidth , windowHeight , pageWidth , pageHeight , screenWidth , screenHeight , pageX , pageY , screenX , screenY which will work in all major browsers?
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error C2440: “return”: 无法从“const Screen”转换为“Screen &” - C/...
error C2440: “return”: 无法从“const Screen”转换为“Screen &”转换丢失限定符。出错代码（例子来自c++ primer 4th）：Screen& Screen::display(std::ostream& os) const{ os << contents...转换丢失限定符。
出错代码（例子来自c++ primer 4th）：
Screen...
How do I get out of a screen without typing 'exit'?
I screen -r 'd into a django server that's running and I can't simply Ctrl-C and exit out of it.
5 Answers
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Capture Video of Android's Screen
Forget screenshots, is it posible to capture a video of the running application in android?
Rooted or non-rooted, I don't care, I want atleast 15fps.
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How to determine the screen width in terms of dp or dip at runtime in Android?
... DisplayMetrics displayMetrics = resources.getDisplayMetrics(); float screenWidthDp = displayMetrics.widthPixels / displayMetrics.density;
– Tomáš Hubálek
Dec 14 '12 at 13:15
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How do I change Bootstrap 3 column order on mobile layout?
...
You cannot change the order of columns in smaller screens but you can do that in large screens.
So change the order of your columns.
<!--Main Content-->
<div class="col-lg-9 col-lg-push-3">
</div>
<!--Sidebar-->
<div class="col-lg-3 col-lg-pull-...
Javascript for “Add to Home Screen” on iPhone?
Is it possible to use Javascript to emulate the Add to Home Screen option in Mobile Safari's bookmark menu?
6 Answers
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Android screen size HDPI, LDPI, MDPI [duplicate]
I have a background that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are.
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