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How to hide the keyboard when I press return key in a UITextField?
...
class MyViewController: UIViewController, UITextFieldDelegate {
....
}
Now add a delegate to a TextField in which you want to dismiss the keyboard when return is tapped either in viewDidLoad method like below or where you are initializing it.
For eg.
override func viewDidLoad() {
super.vie...
Auto-size dynamic text to fill fixed size container
... should be parentheses around the "||" subexpression. The way it's written now, the font size minimum is only checked when the width is too large, not the height.
– Pointy
Mar 7 '11 at 16:06
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使用 XML 和 Web 服务 · App Inventor 2 中文网
...pair just as in the last example above, except that the list of pairs will now include an additional pair (content, (happy sad)) where the second item in the additional pair is the list of strings “happy” and “sad”.
It is also possible that the XML contains elements with attributes, for exa...
How do I specify local .gem files in my Gemfile?
... Super trick! here is small addition for that. How to verify that gems are now available locally: gem list -r --clear-sources -s file:/repo
– Алексей Лещук
Oct 9 '19 at 14:50
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Order of event handler execution
...Ah, I see where I'm going wrong: "Event handlers are delegates, right?". I now know they're not. Have written myself an event that fires handlers in reverse order, just to prove it to myself :)
– Rawling
Mar 1 '10 at 10:56
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Remove all classes that begin with a certain string
...eral groups. Each group has a specific prefix. In the javascript, I don't know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like th...
In Android, how do I set margins in dp programmatically?
...arams. If you use relative layout, import LinearLayout.LayoutParams , etc.
Now, if you set the margin using Layout_marginLeft, Right, etc, you need to update margin in this way
layoutParams.setMargins(left, top, right, bottom);
If you set margin using the new layout_marginStart, you need to update ...
How to trigger HTML button when you press Enter in textbox?
...t to the button you'd like to be default and type=button to other buttons. Now in the form below you can hit Enter in any input fields, and the Render button will work (despite the fact it is the second button in the form).
Example:
<button id='close_renderer_button' class='btn btn-success...
What's the most efficient way to test two integer ranges for overlap?
... is in both ranges, i.e.
x1 <= C <= x2
and
y1 <= C <= y2
Now, if we are allowed to assume that the ranges are well-formed (so that x1 <= x2 and y1 <= y2) then it is sufficient to test
x1 <= y2 && y1 <= x2
...
Change auto increment starting number?
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Anyone know if it is possible to do WITHOUT an ALTER?
– thesmart
Jul 23 '12 at 22:15
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