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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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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 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...
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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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 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...
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 do you select a particular option in a SELECT element in jQuery?
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This is wrong because you are SETTING the value of ALL the SELECT elements to the_value. .val is not selector/filter function! It is a property accessor and passing it that string SETS the value. I tried to take my upvote back but was too late after I reallized this in test...
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 *...
Download a specific tag with Git
... Yep. git is different to subversion in this respect. A svn tag basically copies the files to a new folder, so you can svn checkout a specific bunch of files, whereas git tags are simply pointers to specific revisions.
– dbr
Apr 27 '09 at 2:17
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