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Does Qt support virtual pure slots?
... a lot of "configuration pages" classes which all inherit directly from QWidget .
2 Answers
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Where do gems install?
...dit one of the gem's config files and I can't find it. I'm not sure how I did this in the past.
4 Answers
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How to test if list element exists?
...is there a reason why exists('foo$a') == FALSE?
– David LeBauer
Oct 11 '11 at 2:45
This suggests there is generally no...
How to develop or migrate apps for iPhone 5 screen resolution?
... if you had set auto resizing masks properly, or used Auto Layout.
If you didn't, adjust your view layouts, preferably with Auto Layout.
If there is something you have to do for the larger screens specifically, then it looks like you have to check height of [[UIScreen mainScreen] bounds] as there se...
Change Canvas.Left property in code behind?
...be UIElement, this perhaps increases the detection of faulty code where accidentally the wrong variable is passed to it.
– AnthonyWJones
Feb 12 '09 at 16:00
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Can extension methods be applied to interfaces?
...for a class:
public static class TopologyExtensions
{
public static void CountNodes(this ITopology topology)
{
// ...
}
}
There's nothing particularly different about extension methods as far as interfaces are concerned; an extension method is just a static method that the com...
Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...
I tried it out, myself...Found it didn't work. So i check out the source code of ArrayAdapter and found out the problem. The ArrayAdapter, on being initialized by an array, converts the array into a AbstractList (List) which cannot be modified.
Solution
Use a...
Convert String to equivalent Enum value
...public enum Day {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY,
THURSDAY, FRIDAY, SATURDAY
}
You could do this:
String day = "SUNDAY";
Day dayEnum = Day.valueOf(day);
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Class vs. static method in JavaScript
... they were objects, so for the purposes of this answer, it's easier to consider them "objects" even though they're not quite.
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How to do multiple line editing?
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IntelliJ IDEA provides multi collumn selection (ALT + J selects additional occurance of selected word)
– Disper
Jun 28 '14 at 15:46
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