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Can a java file have more than one class?
...can. However, there can only be one public top-level class per .java file, and public top-level classes must have the same name as the source file.
The purpose of including multiple classes in one source file is to bundle related support functionality (internal data structures, support classes, etc...
Is there any way to call a function periodically in JavaScript?
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I upvoted and then decided to rescind my upvote (but not downvote) because you are using a string argument to setInterval. Functions should almost always be used in favor of a string argument, for efficiency, security, and for their cl...
What is “String args[]”? parameter in main method Java
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In Java args contains the supplied command-line arguments as an array of String objects.
In other words, if you run your program as java MyProgram one two then args will contain ["one", "two"].
If you wanted to output the contents of args, you can just loop thro...
Sort NSArray of date strings or objects
...[NSArray sortedArrayUsingSelector: or -[NSMutableArray sortUsingSelector:] and pass @selector(compare:) as the parameter. The -[NSDate compare:] method will order dates in ascending order for you. This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison fu...
How to get current page URL in MVC 3
...Asp.Net will always add :81 to the Url incorrectly
– Andras Zoltan
Mar 14 '11 at 21:52
29
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How do I install an old version of Django on virtualenv?
...jango) inside the virtual environment. But it's exactly what I want to do, and I can't figure it out.
3 Answers
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Shallow copy of a Map in Java
As I understand it, there are a couple of ways (maybe others as well) to create a shallow copy of a Map in Java:
3 Answer...
split string only on first instance of specified character
In my code I split a string based on _ and grab the second item in the array.
17 Answers
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How does lock work exactly?
...// body
}
finally
{
Monitor.Exit(temp);
}
In C# 4.0 this has changed and it is now generated as follows:
bool lockWasTaken = false;
var temp = obj;
try
{
Monitor.Enter(temp, ref lockWasTaken);
// body
}
finally
{
if (lockWasTaken)
{
Monitor.Exit(temp);
}
}
You c...
unable to print object ('po') in xcode6 beta 6 osx swift project: (Error in auto-import: failed to g
An attempt to print object ( po command) in xcode 6 beta 6 OSX Swift project results in this error message:
5 Answers
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