大约有 42,000 项符合查询结果（耗时：0.0413秒） [XML]
Restrict varchar() column to specific values?
...h would restrict values? Something like:
CREATE TABLE SomeTable
(
Id int NOT NULL,
Frequency varchar(200),
CONSTRAINT chk_Frequency CHECK (Frequency IN ('Daily', 'Weekly', 'Monthly', 'Yearly'))
)
share
...
ViewBag, ViewData and TempData
...ic wrapper around ViewData and exists only in ASP.NET MVC 3.
This being said, none of those two constructs should ever be used. You should use view models and strongly typed views. So the correct pattern is the following:
View model:
public class MyViewModel
{
public string Foo { get; set; }
...
HTML/CSS: Make a div “invisible” to clicks?
...nts… But maybe I can figure that out. Thanks!
– David Wolever
Aug 21 '10 at 19:54
2
Cool: point...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...n about incorrect number of sections or rows in sections.
Here is what I did: I have two FRCs available as properties fetchedResultsController and searchFetchedResultsController. The searchFetchedResultsController should not be used unless there is a search (when the search is canceled you can see...
Android Quick Actions UI Pattern
I'm interested in incorporating the Android UI pattern called "Quick Action". Basically, it's a context menu that doesn't cover up the data that is being acted on. I'd like to implement this but I cannot find some sample code or an API to help me out.
...
img src SVG changing the styles with CSS
...in a text editor:
<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
<path d="M0 0h24v24H0z" fill="none"/>
<path d="M1 21h22L12 2 1 21zm12-3h-2v-2h2v2zm0-4h-2v-4h2v4z" fill="#fff"/>
</svg>
... just change the fill and sav...
What exactly is RESTful programming?
...rt=314159&item=1729
would not be appropriate. GET requests should be idempotent. That is, issuing a request twice should be no different from issuing it once. That's what makes the requests cacheable. An "add to cart" request is not idempotent—issuing it twice adds two copies of the item to ...
Pure virtual destructor in C++
... Um, yes it is. Pure only means a derived class also needs to provide an implementation.
– MSN
Mar 10 '09 at 16:24
73
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How to quit android application programmatically
I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely?
...
Response.Redirect with POST instead of Get?
...urity warning. To do that, you would write something like this:
public void PageLoad(object sender, EventArgs e)
{
// Process the post on your side
Response.Status = "307 Temporary Redirect";
Response.AddHeader("Location", "http://example.com/page/to/post.to");
}
Unfortunately, t...