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Is Integer Immutable
I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code:
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PHP Pass variable to next page
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HTML / HTTP is stateless, in other words, what you did / saw on the previous page, is completely unconnected with the current page. Except if you use something like sessions, cookies or GET / POST variables. Sessions and cookies are quite easy to use, with session being by far...
Set ImageView width and height programmatically?
How can I set an ImageView 's width and height programmatically?
14 Answers
14
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Declaring a custom android UI element using XML
How do I declare an Android UI element using XML?
6 Answers
6
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What does $$ mean in the shell?
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In Bash $$ is the process ID, as noted in the comments it is not safe to use as a temp filename for a variety of reasons.
For temporary file names, use the mktemp command.
sh...
PHP Redirect with POST data
I did some research on this topic, and there are some experts who have said that it is not possible , so I would like to ask for an alternative solution.
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Set custom HTML5 required field validation message
I have one form with many input fields. I have put html5 validations
11 Answers
11
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How to sort a NSArray alphabetically?
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The simplest approach is, to provide a sort selector (Apple's documentation for details)
Objective-C
sortedArray = [anArray sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
Swift
let descriptor: NSSortDescriptor = NSSortDescriptor(...
Should functions return null or an empty object?
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Returning null is usually the best idea if you intend to indicate that no data is available.
An empty object implies data has been returned, whereas returning null clearly indicates that nothing has been returned.
Additionally, returning a null will result ...
Unknown Column In Where Clause
... edited Oct 29 '15 at 9:44
idmean
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answered Sep 30 '08 at 15:41
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