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How to debug stream().map(…) with lambda expressions?
...ments of the stream:
List<Integer> naturals = Arrays.asList(1,2,3,4,5,6,7,8,9,10,11,12,13);
naturals.stream()
.map(n -> n * 2)
.peek(System.out::println)
.collect(Collectors.toList());
UPDATE:
I think you're getting confused because map is an intermediate operation - in othe...
How to fix getImageData() error The canvas has been tainted by cross-origin data?
...
Neuron
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answered Jan 8 '15 at 12:23
matt burnsmatt burn...
How to unzip files programmatically in Android?
...
xarlymg89
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answered Jun 12 '12 at 13:37
Vasily SochinskyVasi...
change cursor to finger pointer
... ScottScott
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2
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How can I quantify difference between two images?
...malization is trivial, you may choose to normalize to [0,1] instead of [0,255]. arr is a SciPy array here, so all operations are element-wise:
def normalize(arr):
rng = arr.max()-arr.min()
amin = arr.min()
return (arr-amin)*255/rng
Run the main function:
if __name__ == "__main__":
...
Which is better option to use for dividing an integer number by 2?
...nt. They can give different results for negative integers. For example:
-5 / 2 = -2
-5 >> 1 = -3
(ideone)
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How do I change the color of the text in a UIPickerView under iOS 7?
...to add 2 separate UIViews to the view containing the UIPickerView, spaced 35 pts apart for a picker height of 180.
Swift 3:
func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? {
let string = "myString"
return N...
Copy the entire contents of a directory in C#
...
564
Much easier
//Now Create all of the directories
foreach (string dirPath in Directory.GetDirec...
Android ListView Divider
...d will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy
For dividers, 1px is the correct height if you want a 1 pixel divider and is one of the exceptions for th...
Regex - how to match everything except a particular pattern
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Pro Backup
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answered Mar 4 '09 at 18:41
GumboGumbo
5...