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Functional style of Java 8's Optional.ifPresent and if-not-Present?
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This is very nice but the question was meant specifically for JDK8 because ifPresentOrElse is not available.
– hreinn
May 28 at 11:25
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
...ion Configuration File (which is not the same as just creating a text file called app.config)
– smirkingman
Mar 26 '14 at 20:55
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How can I consume a WSDL (SOAP) web service in Python?
...ed zeep today and it was surprisingly easy to use. Was able to consume and call a Soap 1.1/1.2 service with 3 lines of code.
– Jagu
Jan 10 '17 at 4:02
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Round a double to 2 decimal places [duplicate]
...n addition to) strictly rounding numbers, see the other answers.
Specifically, note that round(200, 0) returns 200.0. If you want to output "200.00", you should first round and then format the result for output (which is perfectly explained in Jesper's answer).
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How to crop an image in OpenCV using Python
... copy region of interest
If we consider (0,0) as top left corner of image called im with left-to-right as x direction and top-to-bottom as y direction. and we have (x1,y1) as the top-left vertex and (x2,y2) as the bottom-right vertex of a rectangle region within that image, then:
roi = im[y1:y2, x...
Captured variable in a loop in C#
...compiler is generating a class that represents the closure for your method call. It uses that single instance of the closure class for each iteration of the loop. The code looks something like this, which makes it easier to see why the bug happens:
void Main()
{
List<Func<int>> acti...
Create a git patch from the uncommitted changes in the current working directory
...diff" and "git diff --cached" only work if "git add <file>" has been called first. (I am new to git and wondered why I got an empty patch everytime)
– Anonymous
Apr 25 '17 at 8:41
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How do I count the number of occurrences of a char in a String?
...s.countOccurencesOf uses indexOf repeatedly. (OpenJDK's String.indexOf basically uses charAt in a loop.)
– Solomon Ucko
Aug 18 at 20:29
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Why use a public method in an internal class?
...epresents the key, documented functionality provided by this object."
Basically, my attitude is: suppose I decided to make this internal class into a public class. In order to do that, I want to change exactly one thing: the accessibility of the class. If turning an internal class into a public cla...
How to test if string exists in file with Bash?
...ot affect the file processing, it affects how PATTERN is interpreted. Typically, PATTERN is interpreted as a regex, but with -F it will be interpreted as a fixed string.
– Adam S
Mar 12 '13 at 19:57
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