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How to quit a java app from within the program
...rently running Java Virtual Machine. The argument serves as a status code; by convention, a nonzero status code indicates abnormal termination.
This method calls the exit method in class Runtime. This method never returns normally.
The call System.exit(n) is effectively equivalent to the call:
Runti...
round() doesn't seem to be rounding properly
...ted Aug 24 '11 at 23:28
Don Kirkby
37.7k1717 gold badges163163 silver badges235235 bronze badges
answered Sep 11 '08 at 15:14
...
How can I combine hashes in Perl?
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How to cast int to enum in C++?
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@KirillKobelev if the integral value can be represented by the underlying type of the enum then the resulting enum must have that value. Otherwise the produced enum value will be whatever value results from converting the expression to the enum's underlying type. If VC++ does some...
How do I enable gzip compression when using MVC3 on IIS7?
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Removing items from a list [duplicate]
...'t and shouldn't modify a list while iterating over it. You can solve this by temporarely saving the objects to remove:
List<Object> toRemove = new ArrayList<Object>();
for(Object a: list){
if(a.getXXX().equalsIgnoreCase("AAA")){
toRemove.add(a);
}
}
list.removeAll(toRem...
How do you add multi-line text to a UIButton?
...ing to allow multiple lines:
button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
// you probably want to center it
button.titleLabel.textAlignment = NSTextAlignmentCenter; // if you want to
[button setTitle: @"Line1\nLine2" forState: UIControlStateNormal];
For iOS 5 and below use the fo...
Where does the .gitignore file belong?
...sed as a placeholder file in folders, since folders aren't usually tracked by git.
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How do I check the difference, in seconds, between two dates?
...ooking to refresh so frequently that the datetimes will be close together. By accounting for the days in the delta, you can handle longer timestamp discrepancies:
>>> a = datetime(2010, 12, 5)
>>> b = datetime(2010, 12, 7)
>>> d = b - a
>>> d.seconds
0
>>&g...
seek() function?
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The seek position is a byte index into the contents of the file similar to an array index. Its also interesting that if we open file in append mode 'a', we cannot seek to file's beginning.
– anilmwr
Apr 24 '18...