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What is the difference between float and double?
...]. In general a double has 15 decimal digits of precision, while float has 7.
Here's how the number of digits are calculated:
double has 52 mantissa bits + 1 hidden bit: log(253)÷log(10) = 15.95 digits
float has 23 mantissa bits + 1 hidden bit: log(224)÷log(10) = 7.22 digits
This precision loss ...
How to retrieve the dimensions of a view?
... I have found. I have added this code into my onCreate() method:
EDITED: 07/05/11 to include code from comments:
final TextView tv = (TextView)findViewById(R.id.image_test);
ViewTreeObserver vto = tv.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
@Override...
Sleeping in a batch file
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Django class-based view: How do I pass additional parameters to the as_view method?
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Maven - How to compile tests without running them ?
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Add floating point value to android resources/values
...text_line_spacing);
in this case, value of lineSpacing is 2.024993896484375, and not 2.025 as you would expected.
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Is there a builtin identity function in python?
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Doing some more research, there is none, a feature was asked in issue 1673203 And from Raymond Hettinger said there won't be:
Better to let people write their own trivial pass-throughs
and think about the signature and time costs.
So a better way to do it is actually (a lambda avoids nami...
Redirecting to a relative URL in JavaScript
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How to split strings across multiple lines in CMake?
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