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Super-simple example of C# observer/observable with delegates

... } } Note: This violates a rule in that I don't unhook the observer from the observable, this is perhaps good enough for this simple example, but make sure you don't keep observers hanging off of your events like that. A way to handle this would be to make ObserverClass IDisposable, and let t...
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Time complexity of Euclid's Algorithm

...gGidney: Thanks for fixing that. Now I recognize the communication problem from many Wikipedia articles written by pure academics. Consider this: the main reason for talking about number of digits, instead of just writing O(log(min(a,b)) as I did in my comment, is to make things simpler to understa...
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Appending the same string to a list of strings in Python

... please change the name of the variables from list and string to something else. list is a builtin python type – sagi Apr 25 at 14:01 ...
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WPF text Wrap vs WrapWithOverflow

... This answer would benefit from including one more (wider) button example in each mode that does have a valid whitespace break. At a glance, it implies that Wrap completely ignores whitespace breaks, but that isn't true. – Scott ...
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How to reverse a singly linked list using only two pointers?

...ginal code worked OK when plugged into your neat test harness. You get +1 from me even so - but an explanation of what you consider the 'obvious errors' would improve your answer. – Jonathan Leffler Nov 26 '09 at 5:50 ...
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What is the relative performance difference of if/else versus switch statement in Java?

... It should be noted that switches work with more than just ints. From the Java Tutorials: "A switch works with the byte, short, char, and int primitive data types. It also works with enumerated types (discussed in Enum Types), the String class, and a few special classes that wrap certain p...
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cout is not a member of std

... Where does "stdafx.h" come from? OP uses no such headers – KABoissonneault Sep 20 '18 at 19:50 ...
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windows batch SET inside IF not working

when I'm running this script (from a .bat file): 2 Answers 2 ...
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How do CSS triangles work?

...or demonstration. Also see snippet below. This is an Animated GIF made from a Screencast transforms = [ {'border-left-width' :'30', 'margin-left': '70'}, {'border-bottom-width' :'80'}, {'border-right-width' :'30'}, {'border-top-width' :'0', 'm...
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Stream vs Views vs Iterators

...d, all transformations are re-applied each time you need to fetch elements from it. Both Iterator and views have excellent memory characteristics. Stream is nice, but, in Scala, its main benefit is writing infinite sequences (particularly sequences recursively defined). One can avoid keeping all of...