大约有 44,000 项符合查询结果（耗时：0.0425秒） [XML]
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...anged = true;
query += query + "AGE = " + newAge;
}
}
So before transaction commit, JPA provider will see stateChanged flag in order to update OR NOT person entity. If no rows is updated after update statement, JPA provider will throw EntityNotFoundException according to JPA specific...
Javascript Shorthand for getElementById
Is there any shorthand for the JavaScript document.getElementById? Or is there any way I can define one? It gets repetitive retyping that over and over .
...
How to set caret(cursor) position in contenteditable element (div)?
...each of the selection boundaries as a node and an offset within that node. For example, to set the caret to the fifth character of the second line of text, you'd do the following:
function setCaret() {
var el = document.getElementById("editable")
var range = document.createRange()
va...
Union Vs Concat in Linq
...e comments. If you execute my sample code then you can see the same result for 'a5' & 'a6'. I am not looking for solution. But why 'Concat' & 'Union' behaving same at that sistuation. Please reply.
– Prasad Kanaparthi
Nov 16 '12 at 17:29
...
Show dialog from fragment?
...
Unfortunately this approach is a bit more verbose than the classic managed dialogs approach of previous Android revisions, but it is now the preferred method. You can avoid referencing the Activity entirely by using the putFrag...
Android custom dropdown/popup menu
....add("Two");
menu.getMenu().add("Three");
menu.show();
Follow this link for creating menu programmatically.
share
|
improve this answer
|
follow
|
...
SQL WHERE condition is not equal to?
...
There you go, edited the answer to remove the * Thanks for pointing out.
– Praveen Lobo
May 27 '11 at 21:45
5
...
When to use @QueryParam vs @PathParam
... general REST documentation and blog posts should give you some guidelines for a good way to structure API URLs. Most rest APIs tend to only have resource names and resource IDs in the path. Such as:
/departments/{dept}/employees/{id}
Some REST APIs use query strings for filtering, pagination and...
Implementing Comments and Likes in database
...plugs into the whole like/tag/comment machinery.
Entity-relationship term for this is "category" (see the ERwin Methods Guide, section: "Subtype Relationships"). The category symbol is:
Assuming a user can like multiple entities, a same tag can be used for more than one entity but a comment is ...
What is a StoryBoard ID and how can i use this?
i'm new to IOS developing and recently started in Xcode 4.5. I saw for every viewController that i could set some identity variables including the storyboard ID. What is this and how can i use it?
...