大约有 30,000 项符合查询结果（耗时：0.0295秒） [XML]
Join/Where with LINQ and Lambda
...
var post = Posts.Single(p => p.ID == 1); // Post_metas loaded automagically
It is possible to make many LoadWith calls on a single set of DataLoadOptions for the same type, or many different types. If you do this lots though, you might just want to consider caching.
...
How does lucene index documents?
...indexing Skip-Lists also explains why Lucene's Skip-List implementation is called a multi-level Skip-List - essentially, to make O(log n) look-ups possible (again, much like B-Trees).
So once the inverted (term) index - which is based on a Skip-List data structure - is built from the documents, the...
unique object identifier in javascript
...use to internally store the unique ID doesn't collide with another automatically created member name.
share
|
improve this answer
|
follow
|
...
Transferring ownership of an iPhone app on the app store
...The metadata in the store was merged with the Evernote app metadata (Apple calls this an "artist merge") so the headers and related apps show up correctly in the store. Sam is correct here; app transfer between accounts is not currently possible.
– Ben Zotto
Ap...
Button in a column, getting the row from which it came on the Click event handler
...
Basically your button will inherit the datacontext of a row data object. I am calling it as MyObject and hope MyObject.ID is what you wanted.
private void Button_Click(object sender, RoutedEventArgs e)
{
MyObject obj = ((Fra...
What is a “slug” in Django?
When I read Django code I often see in models what is called a "slug". I am not quite sure what this is, but I do know it has something to do with URLs. How and when is this slug-thing supposed to be used?
...
Get current AUTO_INCREMENT value for any table
...her process inserts three additional rows after you, YOUR LAST_INSERT_ID() call will be different than theirs. This question is asking for the current AUTO_INC val on the table itself.
– methai
Apr 5 '13 at 14:08
...
Instagram how to get my user id from username?
...here is no direct Instagram API to get user id from user name. You need to call the GET /users/search API and then iterate the results and check if the username field value is equal to your username or not, then you grab the id.
...
Using setImageDrawable dynamically to set image in an ImageView
I am generating a string from database dynamically which has the same name of image in drawable folder.
17 Answers
...
JPA: unidirectional many-to-one and cascading delete
...le as ON DELETE CASCADE. You'll need to invoke EntityManager.clear() after calling EntityManager.remove(parent) as the persistence context needs to be refreshed - the child entities are not supposed to exist in the persistence context after they've been deleted in the database.
...