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Test whether a Ruby class is a subclass of another class
I would like to test whether a class inherits from another class, but there doesn't seem to exist a method for that.
2 Answ...
Func with out parameter
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ref and out are not part of the type parameter definition so you can't use the built-in Func delegate to pass ref and out arguments. Of course, you can declare your own delegate if you want:
delegate V MyDelegate<T,U,V>(T input, out U output);
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How to remove the arrow from a select element in Firefox
I'm trying to style a select element using CSS3. I'm getting the results I desire in WebKit (Chrome / Safari), but Firefox isn't playing nicely (I'm not even bothering with IE). I'm using the CSS3 appearance property, but for some reason I can't shake the drop-down icon out of Firefox.
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POST data in JSON format
...m submission
e.preventDefault();
// collect the form data while iterating over the inputs
var data = {};
for (var i = 0, ii = form.length; i < ii; ++i) {
var input = form[i];
if (input.name) {
data[input.name] = input.value;
}
}
// construct an HTTP request
var x...
What does the WPF star do (Width=“100*”)
What does exactly the star in size terms in WPF mean?
4 Answers
4
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How can I change the current URL?
I have the following code that changes the pages from within JavaScript:
5 Answers
5
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How to create a tuple with only one element
In the below example I would expect all the elements to be tuples, why is a tuple converted to a string when it only contains a single string?
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How to copy text to clipboard/pasteboard with Swift
I'm looking for a clean example of how to copy text to iOS clipboard that can then be used/pasted in other apps.
4 Answers
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Rails: How to get the model class name based on the controller class name?
...will do it:
class HouseBuyersController < ApplicationController
def index
@model_name = controller_name.classify
end
end
This is often needed when abstracting controller actions:
class HouseBuyersController < ApplicationController
def index
# Equivalent of @house_buyers = ...
UIPopovercontroller dealloc reached while popover is still visible
I assure you that I did look for an answer in SO for my question but none of them were helpful. Here I got a simple code that should present a UIImagePickerController within a UIPopoverController :
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