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Why do we need virtual functions in C++?
... @David天宇Wong I think virtual introduces some dynamic binding vs static and yes it is weird if you 're coming from languages like Java.
– peterchaula
Aug 6 '16 at 15:18
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What is a “context bound” in Scala?
...t manifests as "T has a Manifest". The example you linked to about Ordered vs Ordering illustrates the difference. A method
def example[T <% Ordered[T]](param: T)
says that the parameter can be seen as an Ordered. Compare with
def example[T : Ordering](param: T)
which says that the paramete...
Business logic in MVC [closed]
...e pointed out, I believe there is some some misunderstanding of multi tier vs MVC architecture.
Multi tier architecture involves breaking your application into tiers/layers (e.g. presentation, business logic, data access)
MVC is an architectural style for the presentation layer of an application...
Using WebAPI or MVC to return JSON in ASP.NET
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Thanks, is there a difference in how we create WebAPI vs Controller?
– Nil Pun
Apr 27 '12 at 7:24
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String, StringBuffer, and StringBuilder
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community wiki
12 revs, 2 users 95%user177800
1
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Is it good practice to make the constructor throw an exception? [duplicate]
...case and the case of throwing exceptions in methods. The standard checked vs unchecked advice applies equally to both cases.
2 - For example, the existing FileInputStream constructors will throw FileNotFoundException if you try to open a file that does not exist. Assuming that it is reasonable fo...
Objective-C declared @property attributes (nonatomic, copy, strong, weak)
...t access is not thread safe. That is an implementation detail that atomic vs. nonatomic does not capture.
– bbum
Mar 3 '18 at 17:03
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Difference between array_map, array_walk and array_filter
...r the iteration of data and is normally used to "change" the data in-place vs returning a new "changed" array.
array_filter is really an application of array_walk (or array_reduce) and it more-or-less just provided for convenience.
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Why would iterating over a List be faster than indexing through it?
... notice: If you want to check which iteration type should be used (indexed vs Iterator/foreach), you can always test if a List implements RandomAccess (a marker interface): List l = unknownList(); if (l instanceof RandomAccess) /* do indexed loop */ else /* use iterator/foreach */
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What's the difference between => , ()=>, and Unit=>
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@Alex That's the same difference as (Unit) => Type vs () => Type -- the first is a Function1[Unit, Type], while the second is a Function0[Type].
– Daniel C. Sobral
Mar 17 '14 at 21:22
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