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Cast a Double Variable to Decimal
How does one cast a double to decimal which is used when doing currency development. Where does the M go?
5 Answers
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Comparing date ranges
... range_start, here's some simple SQL to retrieve all the matching rows:
SELECT *
FROM periods
WHERE NOT (range_start > @check_period_end
OR range_end < @check_period_start)
Note the NOT in there. Since the two simple rules finds all the non-matching rows, a simple NOT will reve...
Most efficient way to cast List to List
... a List<BaseClass> . It seems like it shouldn't be a problem since casting a SubClass to a BaseClass is a snap, but my compiler complains that the cast is impossible.
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Cast Object to Generic Type for returning
Is there a way to cast an object to return value of a method?
I tried this way but it gave a compile time exception in "instanceof" part:
...
How do I convert a string to a number in PHP?
...mstances. For situations where you do want to explicitly convert the type, cast it:
$num = "3.14";
$int = (int)$num;
$float = (float)$num;
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How to parse a string to an int in C++?
...ng.
This leads me to my second piece of advice: do no use Boost's lexical_cast for this. Consider what the lexical_cast documentation has to say:
Where a higher degree of control is
required over conversions,
std::stringstream and
std::wstringstream offer a more
appropriate path. Where
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Making the iPhone vibrate
...trouble as I did)
Link against AudioToolbox.framework (Go to your project, select your target, build phases, Link Binary with Libraries, add the library there)
Once that is completed:
import AudioToolbox.AudioServices
// Use either of these
AudioServicesPlaySystemSound(SystemSoundID(kSystemSoundID_...
How can I convert a long to int in Java?
...ted, in Java 8:
Math.toIntExact(value);
Original Answer:
Simple type casting should do it:
long l = 100000;
int i = (int) l;
Note, however, that large numbers (usually larger than 2147483647 and smaller than -2147483648) will lose some of the bits and would be represented incorrectly.
For ...
How can I check if a View exists in a Database?
...
FOR SQL SERVER
IF EXISTS(select * FROM sys.views where name = '')
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How do I make the method return type generic?
...nimal> T callFriend(String name, Class<T> type) {
return type.cast(friends.get(name));
}
Then call it as such:
jerry.callFriend("spike", Dog.class).bark();
jerry.callFriend("quacker", Duck.class).quack();
This code has the benefit of not generating any compiler warnings. Of course ...