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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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How to determine when Fragment becomes visible in ViewPager
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583
How to determine when Fragment becomes visible in ViewPager
You can do the following by ove...
How do you calculate log base 2 in Java for integers?
...ons are not exact. You can never know for sure what will (int)(Math.log(65536)/Math.log(2)) evaluate to. For example, Math.ceil(Math.log(1<<29) / Math.log(2)) is 30 on my PC where mathematically it should be exactly 29. I didn't find a value for x where (int)(Math.log(x)/Math.log(2)) fails (j...
Convert NSDate to NSString
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edited Feb 25 '19 at 13:17
Sunil Targe
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answe...
filter for complete cases in data.frame using dplyr (case-wise deletion)
... num 1 2
## $ x2: num 1 2
## - attr(*, "na.action")= 'omit' Named int 3 4
## ..- attr(*, "names")= chr "3" "4"
ADDED Have updated to reflect latest version of dplyr and comments.
ADDED Have updated to reflect latest version of tidyr and comments.
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In C, do braces act as a stack frame?
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No, braces do not act as a stack frame. In C, braces only denote a naming scope, but nothing get...
Find first element by predicate
...ly do the following test:
List<Integer> list = Arrays.asList(1, 10, 3, 7, 5);
int a = list.stream()
.peek(num -> System.out.println("will filter " + num))
.filter(x -> x > 5)
.findFirst()
.get();
System.out.println(a);
Which outputs:
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Convert dd-mm-yyyy string to date
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Split on "-"
Parse the string into the parts you need:
var from = $("#datepicker").val().spl...
Java switch statement: Constant expression required, but it IS constant
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What is the best Java email address validation method? [closed]
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votes
Apache Commons is generally known as a solid project. Keep in mind, though,...