大约有 32,000 项符合查询结果(耗时:0.0566秒) [XML]
Design Patterns: Abstract Factory vs Factory Method
... the case of Factory Method, there was just Product ( as an abstract), and then Product1 and Product2, as sons? That would help the point that Factory Method is just about creating one product, whereas Abstract Factory is more or less a bunch of Factory Method's gathered together in families.
...
AngularJS : Initialize service with asynchronous data
...uting. In such a case, how would one delay instantiation of the controller then?
– callmekatootie
May 28 '13 at 20:57
19
...
How to have Android Service communicate with Activity
...ic function MyService getInstance(), which returns the static sInstance.
Then in Activity.onCreate() you start the service, asynchronously wait until the service is actually started (you could have your service notify your app it's ready by sending an intent to the activity.) and get its instance....
Surrogate vs. natural/business keys [closed]
... keys (fields or same-size collections of fields that are NOT NULL UNIQUE) then you are likely in violation of Boyce-Codd Normal Form. BCNF is beyond 3NF, so not many people worry about it. There are situations, however, where being in BCNF is very helpful.
– Alan
...
How to dynamically change a web page's title?
...assume a bot doesn't execute JavaScript. I created a new answer below, and then realized that simply showing and hiding tabs without changing the URL makes this more complex.
– yazzer
Nov 25 '15 at 21:24
...
Setting HttpContext.Current.Session in a unit test
...ontextBase context)
{
m_context = context;
}
}
You would then replace any calls to HttpContext.Current with HttpContextManager.Current and have access to the same methods. Then when you're testing, you can also access the HttpContextManager and mock your expectations
This is an ex...
How do I access the $scope variable in browser's console using AngularJS?
...
If you have installed Batarang
Then you can just write:
$scope
when you have the element selected in the elements view in chrome.
Ref - https://github.com/angular/angularjs-batarang#console
...
xcodebuild says does not contain scheme
...rsions assume you are trying to build from a Workspace file; if you aren't then my apologies as this mostly applicable to workspace-based projects.
Condensed 'Fix-it' Version
The root cause is that the default behavior of Schemes is to keep schemes 'private' until they are specifically marked as s...
MVC Razor view nested foreach's model
....Baz.FooBar = Hello
And you are posting to a model called SomeViewModel, then it does the reverse of what the helper did in the first place. It looks for
a property called "Foo". Then it looks for a property called "Bar" off of "Foo", then it looks for "Baz"... and so on...
Finally it tries to p...
Is there any significant difference between using if/else and switch-case in C#?
...strings, it's more efficient for the compiler to generate IF / ELSE blocks then it is to use a hash table.
When I originally noticed this, I made the assumption that because IF / ELSE blocks were used with a small number of strings, that the compiler did the same transformation for large numbers of...
