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How can I truncate a double to only two decimal places in Java?
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If, for whatever reason, you don't want to use a BigDecimal you can cast your double to an int to truncate it.
If you want to truncate to the Ones place:
simply cast to int
To the Tenths place:
multiply by ten
cast to int
cast back to double
and divide by ten.
Hundreths place
mult...
Boolean vs boolean in Java
...e (bar)?1:0 illustrates that bar (boolean) cannot be implicitly converted (casted) into an int. I am bringing this up not to illustrate the details of implementation behind JVM, but to point out that in terms of low level considerations (as memory size) one does have to prefer values over type safet...
Why no ICloneable?
...u quickly start implementing a lot of identical interfaces...
Compare to a cast... and is it really so bad?
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Casting interfaces for deserialization in JSON.NET
...nd it doesn't work. The subject line of this Stack Overflow question is, "Casting interfaces for deserialization in JSON.NET"
– Justin Russo
Sep 13 '17 at 13:38
3
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Easily measure elapsed time
...);
std::cout << "Time difference = " << std::chrono::duration_cast<std::chrono::microseconds>(end - begin).count() << "[µs]" << std::endl;
std::cout << "Time difference = " << std::chrono::duration_cast<std::chrono::nanoseconds> (end - begin).count()...
converting double to integer in java
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is there a possibility that casting a double created via Math.round() will still result in a truncated down number
No, round() will always round your double to the correct value, and then, it will be cast to an long which will truncate any decimal plac...
Finding all possible permutations of a given string in python
...skta',
'cskat', 'ctsak', 'ctska', 'ctask', 'ctaks', 'ctksa', 'ctkas',
'castk', 'caskt', 'catsk', 'catks', 'cakst', 'cakts', 'cksta',
'cksat', 'cktsa', 'cktas', 'ckast', 'ckats', 'kstac', 'kstca',
'ksatc', 'ksact', 'kscta', 'kscat', 'ktsac', 'ktsca', 'ktasc',
'ktacs', 'ktcsa', 'ktcas', 'kas...
How can I iterate over an enum?
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for ( int fooInt = One; fooInt != Last; fooInt++ )
{
Foo foo = static_cast<Foo>(fooInt);
// ...
}
Please note, the enum Last is meant to be skipped by the iteration. Utilizing this "fake" Last enum, you don't have to update your terminating condition in the for loop to the last "real...
SQL Server String or binary data would be truncated
...nd do not care if it is not the case, then another solution is to forcibly cast the source query columns to their destination length (which will truncate any data that is too long):
Select Cast(TextCol1 As varchar(...))
, Cast(TextCol2 As varchar(...))
, Cast(TextCol3 As varchar(...))
,...
Android Studio - Ambiguous method call getClass()
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Have a look at the Error report
The only workaround to this issue is to cast the instance you call getClass() on, to Object as follows:
((Object) this).getClass()
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