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How to dismiss keyboard for UITextView with return key?
...tView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text {
if([text isEqualToString:@"\n"]) {
[textView resignFirstResponder];
return NO;
}
return YES;
}
Swift 4.0 update:
func textView(_ textView: UITextView, shouldChangeTextIn range:...
Is there a library function for Root mean square error (RMSE) in python?
...
mean_squared_error in sklearn.metrics now supports extra parameter: squared - "If True returns MSE value, if False returns RMSE value."
– Daddy32
May 29 at 17:20
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Using new line(\n) in string and rendering the same in HTML
I have a string say
5 Answers
5
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What are the differences between Chosen and Select2?
...
In Firefox 28 (Mac OS X), you will notice an extra gray "margin or padding or border" below each input field. It's not an effect I suppose. It must be a visual inconsistency. It's clear once we look at them on FF, and the same glitch doesn't occur on Chrome for example....
?? Coalesce for empty string?
Something I find myself doing more and more is checking a string for empty (as in "" or null) and a conditional operator.
...
Windows batch file file download from a URL
...ell comes with modern versions of Windows so you don't have to install any extra stuff on the computer. I learned how to do it by reading this page:
http://teusje.wordpress.com/2011/02/19/download-file-with-powershell/
The code was:
$webclient = New-Object System.Net.WebClient
$url = "http://www...
What do querySelectorAll and getElementsBy* methods return?
...mentsByClassName
The getElementsByClassName(classNames) method takes a string that
contains an unordered set of unique space-separated tokens
representing classes. When called, the method must return a live
NodeList object containing all the elements in the document that
have all the cla...
Bootstrap dropdown sub menu missing
...th 3.0" - https://github.com/twbs/bootstrap/pull/6342
But, with a little extra CSS you can get the same functionality.
Bootstrap 4 (navbar submenu on hover)
.navbar-nav li:hover > ul.dropdown-menu {
display: block;
}
.dropdown-submenu {
position:relative;
}
.dropdown-submenu>.dropd...
How to add a button to PreferenceScreen
...nt);
buttonDone = new Button(this);
buttonDone.setText(R.string.filterButton_Done);
buttonDone.setLayoutParams(new LayoutParams(width/2, LayoutParams.WRAP_CONTENT));
gradientView.addView(buttonDone);
buttonRevert = new Button(this);
buttonRevert.s...
Is there a command to refresh environment variables from the command prompt in Windows?
...
And annoyingly, extra instances of cmd.exe don't count. They all have to be killed before the change is reflected in any new cmd.exe's.
– Mike F
Oct 5 '08 at 8:08
...
