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How do I use the new computeIfAbsent function?
...g a map and putting the values in it for the base cases, namely, fibonnaci(0) and fibonacci(1):
private static Map<Integer,Long> memo = new HashMap<>();
static {
memo.put(0,0L); //fibonacci(0)
memo.put(1,1L); //fibonacci(1)
}
And for the inductive step all we have to do is redef...
Showing Difference between two datetime values in hours
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120
I think you're confused because you haven't declared a TimeSpan you've declared a TimeSpan? whic...
How to revert a Git Submodule pointer to the commit stored in the containing repository?
... |
edited Sep 15 at 1:10
answered Oct 24 '11 at 23:28
Br...
Java 8 stream reverse order
...ect[] temp = input.toArray();
return (Stream<T>) IntStream.range(0, temp.length)
.mapToObj(i -> temp[temp.length - i - 1]);
}
Another technique uses collectors to accumulate the items into a reversed list. This does lots of insertions at the front of Ar...
Get city name using geolocation
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204
You would do something like that using Google API.
Please note you must include the google ma...
mysql :: insert into table, data from another table?
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406
INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date)
SELECT campaign_id, from_...
What does && mean in void *p = &&abc;
...out gnus.
– Lundin
May 24 '11 at 6:40
4
What a hack. If they invent a new syntax for label pointe...
Go Unpacking Array As Arguments
... C:
package main
import "fmt"
func my_func( args ...int) int {
sum := 0
for _,v := range args {
sum = sum + v
}
return sum;
}
func main() {
arr := []int{2,4}
sum := my_func(arr...)
fmt.Println("Sum is ", sum)
}
Now you can sum as many things as you'd like. Notice ...
Wrapping null-returning method in Java with Option in Scala?
...
RoToRaRoToRa
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How to lose margin/padding in UITextView?
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401
Up-to-date for 2019
It is one of the silliest bugs in iOS.
The class given here, UITextViewFixe...