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What does a lazy val do?
...ng resources. If we suppose that y has no side effects and that we do not know how often it is accessed (never, once, thousands of times) it is useless to declare it as def since we don't want to execute it several times.
If you want to know how lazy vals are implemented, see this question.
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How to detect total available/free disk space on the iPhone/iPad device?
...g Obj-C, not C++ or C. NSUInteger will give you an unsigned 64 bit integer now, but if things happen to change I imagine that Apple will update that Macro (let's say 128 bits at some point, becomes real)
– Goles
Jul 27 '16 at 18:29
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Make iframe automatically adjust height according to the contents without using scrollbar? [duplicat
...oes not work in safari!
I have made a small adjustment to the script so it now works in Safari as well.
Only change made is resetting height to 0 on every load in order to enable some browsers to decrease height.
Add this to <head> tag:
<script type="text/javascript">
function resiz...
Which mime type should I use for mp3
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Chrome 26 knows better and uses audio/mp3... Go figure.
– Nux
Apr 5 '13 at 11:31
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SQL to determine minimum sequential days of access?
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(because NOBODY would do a SELECT *, we know adding this computed column will not affect the query plans unless the column is referenced... right guys?!?)
– IDisposable
Jul 24 '09 at 8:24
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Is it possible to change a UIButtons background color?
...ibility:
Create a UIButton in Interface builder.
Give it a type 'Custom'
Now, in IB it is possible to change the background color
However, the button is square, and that is not what we want. Create an IBOutlet with a reference to this button and add the following to the viewDidLoad method:
[but...
Anti-forgery token issue (MVC 5)
...ti-forgery token :(
I have created my own User class which worked fine but now I am getting an error whenever I go to the /Account/Register page. The error is:
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Using Java to find substring of a bigger string using Regular Expression
...atcher("FOO[BAR]");
while (m.find()) {
String s = m.group(1);
// s now contains "BAR"
}
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Get size of an Iterable in Java
I need to figure out the number of elements in an Iterable in Java.
I know I can do this:
10 Answers
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How can I pretty-print JSON using Go?
Does anyone know of a simple way to pretty-print JSON output in Go?
11 Answers
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