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Convert Long into Integer
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Why would you cast twice when you can just call intValue instead ? Plus it is going to unbox to long, cast to int, and rebox to Integer, which does not seem very useful. I don't see the point on top of my head, do you have a good reason fo...
Java's L number (long) specification
...umed to be a double.
In all other cases (byte, short, char), you need the cast as there is no specific suffix.
The Java spec allows both upper and lower case suffixes, but the upper case version for longs is preferred, as the upper case L is less easy to confuse with a numeral 1 than the lower cas...
Java Generics: Cannot cast List to List? [duplicate]
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If you do have to cast from List<DataNode> to List<Tree>, and you know it is safe to do so, then an ugly way to achieve this is to do a double-cast:
List<DataNode> a1 = new ArrayList<DataNode>();
List<Tree> b1 =...
How do I convert from int to Long in Java?
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Note that there is a difference between a cast to long and a cast to Long. If you cast to long (a primitive value) then it should be automatically boxed to a Long (the reference type that wraps it).
You could alternatively use new to create an instance of Long, init...
Swift - Cast Int into enum:Int
...on Jeffery Thomas's answer.
to be safe place a guard statement unwrap the cast before using it,
this will avoid crashes
@IBAction func selectFilter(sender: AnyObject) {
guard let filter = MyTimeFilter(rawValue: (sender as UIButton).tag) else {
return
}
timeFilterSelec...
How to multiply duration by integer?
...stic type system (lack of operator overloading in this case) - you have to cast the multiplication to Duration * Duration = Duration, instead of the original one which actually makes more sense: Duration * int = Duration.
– Timmmm
Jan 5 '16 at 14:49
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Round a double to 2 decimal places [duplicate]
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And with DecimalFormat you can also select the rounding mode; default will match the OP's example or they may want RoundingMode.DOWN.
– Kevin Brock
May 11 '10 at 7:03
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How do you create a random string that's suitable for a session ID in PostgreSQL?
...sion verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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How to use greater than operator with date?
..._date with single quote causing it to become string, use backtick instead
SELECT * FROM `la_schedule` WHERE `start_date` > '2012-11-18';
SQLFiddle Demo
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Converting a Uniform Distribution to a Normal Distribution
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You can use the PDF if you're prepared to randomly select a direction relative to the mean; do I understand that right?
– Mark McKenna
Sep 28 '14 at 21:43
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