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What's the difference between => , ()=>, and Unit=>
...e, even though nowadays it is mostly call-by-value and call-by-reference.
What it means is that what is passed is substituted for the value name inside the function. For example, take this function:
def f(x: => Int) = x * x
If I call it like this
var y = 0
f { y += 1; y }
Then the code wil...
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
26
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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
8
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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'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
10
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What's so wrong about using GC.Collect()?
...the serious implications of playing with this function (or at least that's what I think), I fail to see why it's becoming one of these things that respectable programmers wouldn't ever use, even those who don't even know what it is for.
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