大约有 40,000 项符合查询结果(耗时:0.0727秒) [XML]
Load view from an external xib file in storyboard
...h some other minor changes. The question of which solution is better boils down to a matter of programmer style: whether one prefers object composition or multiple inheritance.
Note: the class set on the view in the NIB file remains the same. The embeddable subclass is only used in the storyboard. ...
What's the safest way to iterate through the keys of a Perl hash?
...o, this is usually not a
problem. However, you will run into hard to track down problems (I speak from
experience ;), when using each together with statements like
last or return to exit from the while ... each loop before you
have processed all keys.
In this case, the hash will remember which keys...
Populating Spring @Value during Unit Test
...ainer in an unit test when it is not required is a bad practice that slows down local builds : you don't want that.
I added this answer because no answer here seems to show this distinction and so they rely on a running container systematically.
So I think that you should move this property defined ...
Good examples of Not a Functor/Functor/Applicative/Monad?
...basically numeric, enumerations, products, sums, or functions when you get down to it. You can see below pigworker and I disagreeing about whether Data.Void is a Monoid;
instance Monoid Data.Void where
mempty = undefined
mappend _ _ = undefined
mconcat _ = undefined
Since _|_ is a le...
Why is Multiple Inheritance not allowed in Java or C#?
... classes from multiple frameworks that have identically-named methods deep down, quite unexpected synergies can occur)
easy to mis-use
not really that useful
hard to implement, especially if you want it done correctly and efficiently
Therefore, it can be considered a wise choice to not include Mul...
How to parse JSON in Scala using standard Scala classes?
...
I like @huynhjl's answer, it led me down the right path. However, it isn't great at handling error conditions. If the desired node does not exist, you get a cast exception. I've adapted this slightly to make use of Option to better handle this.
class CC[T] {
...
Why are side-effects modeled as monads in Haskell?
... a different side effect (or possibly the same one - if the first was "shutdown computer" and the second was "write file", then the result of composing these is just "shutdown computer").
Ok, so what can we say about this operation? It's associative; that is, if we combine three side effects, it do...
Hide options in a select list using jQuery
... getting options back won't be an issue as it's part of a dependent dropdown with ajax calls to the server to update the options each time the change. But is it a case of hide() not working in IE?
– hitfactory
Aug 13 '09 at 12:31
...
Purpose of Trigraph sequences in C++?
...is question (about the closely related digraphs) has the answer.
It boils down to the fact that the ISO 646 character set doesn't have all the characters of the C syntax, so there are some systems with keyboards and displays that can't deal with the characters (though I imagine that these are quite...
Why are Python's 'private' methods not actually private?
...print x.__dict__
{'_Bar__baz': 21, '_Foo__baz': 42}
Of course, it breaks down if two different classes have the same name.
share
|
improve this answer
|
follow
...
