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Why does .NET foreach loop throw NullRefException when collection is null?
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Well, the short answer is "because that's the way the compiler designers designed it." Realistically, though, your collection object is null, so there's no way for the compiler to get the enumerator to loop through the collection.
If you really need to do something like this, ...
Where are static methods and static variables stored in Java?
...y be allocated on the heap. This might add some information: stackoverflow.com/questions/3800444/…
– Thomas
Dec 5 '11 at 16:01
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Are nested HTML comments possible?
as per the title; is it possible to have nested comments in valid HTML? see the example below...
10 Answers
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ValidateAntiForgeryToken purpose, explanation and example
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Calling parent class __init__ with multiple inheritance, what's the right way?
...l also call super which invokes B's code. See http://rhettinger.wordpress.com/2011/05/26/super-considered-super for more detail on what can be done with super.
[Response question as later edited]
So it seems that unless I know/control the init's of the classes I
inherit from (A and B) I cann...
TSQL - How to use GO inside of a BEGIN .. END block?
...SS SQLCMD Mode Script (i.e. a master deployment script) that calls (via :r command) other SS Scripts (i.e. sub-deployment scripts) with some of those calls inside if Statements. Oded's, mellamokb's and Andy Joiner's Answers of enclosing all those Statements in exec Calls / begin-end's are non-start...
Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
...s no more. But if you want to make Ad Hoc build for TestFlight (testflight.com) distribution you have to use Ad Hoc Distribution Provision. Development Provision won't let you Archive for Ad Hoc Distribution any more. Not a good approach by Apple.
– Adnan
Oct 3...
What is the correct way to create a single-instance WPF application?
...{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
mutex.ReleaseMutex();
} else {
MessageBox.Show("only one instance at a time");
}
}
}
So, if our...
How to design a multi-user ajax web application to be concurrently safe
I have a web page that shows a large amount of data from the server. The communication is done via ajax.
8 Answers
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How can I convert byte size into a human-readable format in Java?
...output entails. (This also seems to be the behavior of for instance the du command in Linux.)
– aioobe
Sep 21 '10 at 14:48
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