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Compare double to zero using epsilon
...00 00000000 00000000 00000000 00000000 00000001 × 2^0 = 1 + 2^-52
Therefore:
epsilon = (1 + 2^-52) - 1 = 2^-52
Are there any numbers between 0 and epsilon? Plenty... E.g. the minimal positive representable (normal) number is:
1.0000 00000000 00000000 00000000 00000000 00000000 00000000 × 2^-...
What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
...perfect at all but it's easy and a nice baseline. It would still pack your original example perfectly, and give you an equivalent answer for the second as well.
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How do I create a nice-looking DMG for Mac OS X using command-line tools?
I need to create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image.
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Is there a way to crack the password on an Excel VBA Project?
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Namespace and class with the same name?
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How can I make a UITextField move up when the keyboard is present - on starting to edit?
...never the keyboard is shown.
Here is some sample code:
#define kOFFSET_FOR_KEYBOARD 80.0
-(void)keyboardWillShow {
// Animate the current view out of the way
if (self.view.frame.origin.y >= 0)
{
[self setViewMovedUp:YES];
}
else if (self.view.frame.origin.y < 0)...
How to set default values in Rails?
I'm trying to find the best way to set default values for objects in Rails.
17 Answers
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WPF OpenFileDialog with the MVVM pattern? [duplicate]
I just started learning the MVVM pattern for WPF. I hit a wall: what do you do when you need to show an OpenFileDialog ?
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This version of the application is not configured for billing through Google Play
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How to create module-wide variables in Python? [duplicate]
...scope. (If you make a variable inside the Python interpreter, and then import other modules, your variable is in the outermost scope and thus global within your Python session.)
All you have to do to make a module-global variable is just assign to a name.
Imagine a file called foo.py, containing ...