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Converting A String To Hexadecimal In Java
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This method is actually the correct one. Try byte[] data = { -1, 1 }; -- code in this answer works fine, whereas that with 17 upvotes fails.
– hudolejev
Mar 1 '12 at 23:36
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jQuery disable a link
...t the default behaviour -
here, following the link to jquery.com
- by calling event.preventDefault() in the event handler
If you want to preventDefault() only if a certain condition is fulfilled (something is hidden for instance), you could test the visibility of your ul with the class expande...
Position a CSS background image x pixels from the right?
...ected as the "Correct answer". According to MDN it's supported in IE9+ and all other browsers, which is great! developer.mozilla.org/en-US/docs/Web/CSS/…
– fregante
Sep 27 '13 at 0:16
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How to center a button within a div?
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-1 this is awful. Basically, you set the width to 100% and then the margin to -50. But is causes other problems, like the button rises above the containing element, and doesn't work well with resizing.
– CodyBugstein
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What is the default value for enum variable?
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It is whatever member of the enumeration represents the value 0. Specifically, from the documentation:
The default value of an enum E is the value produced by the expression (E)0.
As an example, take the following enum:
enum E
{
Foo, Bar, Baz, Quux
}
Without overriding the default val...
scale Image in an UIButton to AspectFit?
...on, and also want to scale my image to fit with the UIButton (make image smaller). Please show me how to do it.
16 Answers
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What's the difference between MemoryCache.Add and MemoryCache.Set?
I read the MSDN documentation but didn't really understand it.
1 Answer
1
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How to use java.String.format in Scala?
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While all the previous responses are correct, they're all in Java. Here's a Scala example:
val placeholder = "Hello %s, isn't %s cool?"
val formatted = placeholder.format("Ivan", "Scala")
I also have a blog post about making for...
File input 'accept' attribute - is it useful?
...is incredibly useful. It is a hint to browsers to only show files that are allowed for the current input. While it can typically be overridden by users, it helps narrow down the results for users by default, so they can get exactly what they're looking for without having to sift through a hundred di...
How to return an NSMutableArray from an NSSet
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Since -allObjects returns an array, you can create a mutable version with:
NSMutableArray *array = [NSMutableArray arrayWithArray:[set allObjects]];
Or, alternatively, if you want to handle the object ownership:
NSMutableArray *...