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A monad is just a monoid in the category of endofunctors, what's the problem?
.... Here it is in context, which is probably the best place to learn exactly what it means.
But, I'll take a stab. The original sentence is this:
All told, a monad in X is just a monoid in the category of endofunctors of X, with product × replaced by composition of endofunctors and unit set by the i...
Rails Model, View, Controller, and Helper: what goes where?
In Ruby on Rails Development (or MVC in general), what quick rule should I follow as to where to put logic.
10 Answers
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What's the best way to generate a UML diagram from Python source code? [closed]
...bjects of any type can be assigned to any instance variable. Figuring out what classes an object can contain pointers to (composition) would require a full understanding of the runtime behavior of the program.
Python's metaclass capabilities mean that reasoning about the inheritance structure woul...
What's the difference between the atomic and nonatomic attributes?
What do atomic and nonatomic mean in property declarations?
26 Answers
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How do you design object oriented projects? [closed]
...ents gathering. Talk to the client and factor out the use cases to define what functionality the software should have.
Compose a narrative of the individual use cases.
Go through the narrative and highlight nouns (person, place, thing), as candidate classes and verbs (actions), as methods / behavio...
what is the difference between XSD and WSDL
What is the difference between an XML Schema and WSDL ?
8 Answers
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What's the simplest way to list conflicted files in Git?
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@CharlesBailey, Am I missing something? What's wrong with git status?
– Pacerier
Oct 20 '15 at 8:36
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What does “xmlns” in XML mean?
...g <http://schemas.android.com/apk/res/android:foo /> with regards to what it "means" when an XML parser reads the document.
NOTE: You cannot actually use the full namespace URI in place of the namespace prefix in an XML instance document.
Check out this tutorial on namespaces: http://www.si...
What's the difference between SCSS and Sass?
From what I've been reading, Sass is a language that makes CSS more powerful with variable and math support.
13 Answers
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What does it mean if a Python object is “subscriptable” or not?
...mathematical notation that uses actual subscripts; e.g. a[1] is Python for what mathematicians would write as a₁. So "subscriptable" means "able to be subscripted". Which, in Python terms, means it has to implement __getitem__(), since a[1] is just syntactic sugar for a.__getitem__(1).
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