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getApplicationContext(), getBaseContext(), getApplication(), getParent()
...istered in the Manifest, you should never call getApplicationContext() and cast it to your application, because it may not be the application instance (which you obviously experienced with the test framework).
getParent() returns object of the activity if the current view is a child..In other words...
Is it safe to check floating point values for equality to 0?
...rns true
The problem is, programmer sometimes forgets that implicit type cast (double to float) is happening for the comparison and the it results into a bug.
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Getting hold of the outer class object from the inner class object
...("this$0");
field.setAccessible(true);
// Dereference and cast it
Outer outer = (Outer) field.get(inner);
System.out.println(outer);
}
}
Of course, the name of the implicit reference is utterly unreliable, so as I said, you shouldn't :-)
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Convert String to Float in Swift
... not a valid Float.
Old Solution
The best way to handle this is direct casting:
var WageConversion = (Wage.text as NSString).floatValue
I actually created an extension to better use this too:
extension String {
var floatValue: Float {
return (self as NSString).floatValue
}
}
...
Using Mockito to mock classes with generic parameters
...
I think you do need to cast it, but it shouldn't be too bad:
Foo<Bar> mockFoo = (Foo<Bar>) mock(Foo.class);
when(mockFoo.getValue()).thenReturn(new Bar());
sh...
Can two Java methods have same name with different return types? [duplicate]
...have to do to create an array of generics, or the use of double and triple casts, or the fact that even java.util.ArrayList doesn't compile without warnings (got to be the most basic of use cases)
– Peter Lawrey
Apr 6 '11 at 7:52
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Read-only list or unmodifiable list in .NET 4.0
... If you expose your List as an IEnumerable, then the consumer could simply cast it back to List and modify it.
– JulianR
Jun 11 '09 at 22:36
4
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Setting an int to Infinity in C++
...possible number in any machine by assigning all bits to 1s (ones) and then casts it to unsigned
Even better
#define INF (unsigned)!((int)0)
And then just use INF in your code
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Getting Spring Application Context
...- ApplicationContextAware. BeanFactoryAware should work but you'd have to cast it to an application context if you need app context functionality.
– MetroidFan2002
Mar 30 '09 at 16:07
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Access to the path is denied
...ption message is not ideal, but it comes straight from the OS and they are cast in stone. The framework often adds extra checks to generate better messages, but this is an expensive test on a network. Perf is a feature too.
You need to use a name like 'C:\inetpub\wwwroot\mysite\images\savehere\m...