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How to enumerate an enum with String type?
...n, you may specify the conformance directly in the declaration:
enum Suit: String, CaseIterable { case spades = "♠"; case hearts = "♥"; case diamonds = "♦"; case clubs = "♣" }
Then the following code will print all possible values:
Suit.allCases.forEach {
print($0.rawValue)
}
Compatib...
Set opacity of background image without affecting child elements
... @mystrdat You're already downloading the image, this isn't an extra request.
– brad
Feb 22 '13 at 4:47
2
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Is 1.0 a valid output from std::generate_canonical?
...curs quite often in real-world calculations) when x is close to zero. The "extra precision" near multiples of π is generally just a side effect of that.
– Ilmari Karonen
Sep 4 '14 at 20:16
...
How to create a jQuery plugin with methods?
...the wrapping function) and check for an entry if the parameter passed is a string, reverting to a default method ("init" here) if the parameter is an object (or null).
Then you can call the methods like so...
$('div').tooltip(); // calls the init method
$('div').tooltip({ // calls the init method...
PHP code to remove everything but numbers
I'm trying to remove everything from a string but just numbers (0-9).
4 Answers
4
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How do I use pagination with Django class based generic ListViews?
... I have been doing this, but the problem I find, is when I do extra processing on objects in the queryset, it applys them to all of the results in the database. So for a query that returns 100 objects, but shows only ten objects per page, the extra processing will be done on 100 objects...
Convert generic List/Enumerable to DataTable?
...agnostics;
public class MyData
{
public int A { get; set; }
public string B { get; set; }
public DateTime C { get; set; }
public decimal D { get; set; }
public string E { get; set; }
public int F { get; set; }
}
static class Program
{
static void RunTest(List<MyData&g...
jQuery callback on image load (even when the image is cached)
...
/**
* Trigger a callback when the selected images are loaded:
* @param {String} selector
* @param {Function} callback
*/
var onImgLoad = function(selector, callback){
$(selector).each(function(){
if (this.complete || /*for IE 10-*/ $(this).height() > 0) {
callback.ap...
How to disable margin-collapsing?
...) entail using a 1px border or 1px padding. I find this unacceptable: the extraneous pixel complicates calculations for no good reason. Is there a more reasonable way to disable this margin-collapsing?
...
How do you use the Immediate Window in Visual Studio?
...s say this is what your class looks like:
private class Foo
{
public string GetMessage()
{
return "hello";
}
}
If the object already exists in memory and it’s in scope, then you can call it in the Immediate Window as long as it has been instantiated before your current brea...