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App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...nd height, rather than as fixed numbers of pixels.
For example, to make a button whose width is half the screen width, set the button’s width to be 50 percent rather than setting it to a specific number of pixels.
“Percentage” here means percentage of the screen width or height, not percenta...
jQuery - prevent default, then continue default
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I would just do:
$('#submiteButtonID').click(function(e){
e.preventDefault();
//do your stuff.
$('#formId').submit();
});
Call preventDefault at first and use submit() function later, if you just need to submit the form
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Why can't radio buttons be “readonly”?
I would like to show a radio button, have its value submitted, but depending on the circumstances, have it not editable. Disabled doesn't work, because it doesn't submit the value (or does it?), and it grays out the radio button. Read-only is really what I'm looking for, but for some mysterious reas...
Get position of UIView in respect to its superview's superview
I have a UIView, in which I have arranged UIButtons. I want to find the positions of those UIButtons.
7 Answers
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How to programmatically set drawableLeft on Android button?
I'm dynamically creating buttons. I styled them using XML first, and I'm trying to take the XML below and make it programattic.
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CSS selector for a checked radio button's label
Is it possible to apply a css(3) style to a label of a checked radio button?
6 Answers
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Detect changes in the DOM
...DEMO BELOW >----------------
// add item
var itemHTML = "<li><button>list item (click to delete)</button></li>",
listElm = document.querySelector('ol');
document.querySelector('body > button').onclick = function(e){
listElm.insertAdjacentHTML("beforeend", itemHT...
How to bring view in front of everything?
...anslating) one over another. For example the text view is moving over some buttons . . .
16 Answers
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...jp/cgi-bin/scat.rb/ruby/ruby-talk/380637
– Matt Briançon
Aug 16 '11 at 16:17
4
Correct explanati...
Prevent double submission of forms in jQuery
...t the user waits and does not attempt to resubmit the form by clicking the button again. I tried using the following jQuery code:
...