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Mediator Vs Observer Object-Oriented Design Patterns
...ication while observer works only one way.
– kiwicomb123
Mar 3 '19 at 6:51
Exactly, glad it helped
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Algorithm to return all combinations of k elements from n
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Usage:
var result = Combinations(new[] { 1, 2, 3, 4, 5 }, 3);
Result:
123
124
125
134
135
145
234
235
245
345
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What is the most efficient/elegant way to parse a flat table into a tree?
...g with this data to display a tree, I created a tree_item_iterator utility function which, for each node, should give you sufficient information to generate whatever kind of display you want.
More info about MPTT:
Trees in SQL
Storing Hierarchical Data in a Database
Managing Hierarchical Data in ...
How do I remove diacritics (accents) from a string in .NET?
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Or probably more efficiently c < 123. see ASCI
– Christian Gollhardt
Jan 5 '18 at 17:56
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Why should I not include cpp files and instead use a header?
...o when you include all the source files in your project together, there is fundamentally no difference between what you've done, and just making one huge source file without any separation at all.
"Oh, that's no big deal. If it runs, it's fine," I hear you cry. And in a sense, you'd be correct. ...
REST API Best practices: Where to put parameters? [closed]
... I don't like the 2 approach. I would rather preffer /api/genres?songid=123 or /api/songs/{song-id}/genres
– Bart Calixto
Jan 10 '14 at 2:37
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How to Implement DOM Data Binding in JavaScript
...'d create a constructor that receives your element and some initial data.
function MyCtor(element, data) {
this.data = data;
this.element = element;
element.value = data;
element.addEventListener("change", this, false);
}
So here the constructor stores the element and data on prop...
Get last n lines of a file, similar to tail
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123
This may be quicker than yours. Makes no assumptions about line length. Backs through the fi...
How can I pair socks from a pile efficiently?
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The best answer, IMO. While it's fun and clever (and appropriate for SO) to reduce a day-to-day problem to a computer algorithm, it makes much more sense to use the resolution power of man's eye/brain for a set as small as ~60 socks.
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Throwing the fattest people off of an overloaded airplane.
...0.3, 157.4, 138.9, 143.0, 145.1, 125.1, 138.5, 143.8, 146.8, 140.1, 136.9, 123.1, 140.2, 153.6, 138.6, 146.5, 143.6, 130.8, 155.7, 128.9, 143.8, 124.0, 134.0, 145.0, 136.0, 121.2, 133.4, 144.0, 126.3, 127.0, 148.3, 144.9, 128.1]
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