大约有 42,000 项符合查询结果(耗时:0.0453秒) [XML]
How to create json by JavaScript for loop?
... this should work:
<script>
// var status = document.getElementsByID("uniqueID"); // this works too
var status = document.getElementsByName("status")[0];
var jsonArr = [];
for (var i = 0; i < status.options.length; i++) {
jsonArr.push({
id: status.options[i].text,
o...
LINQ - Full Outer Join
I have a list of people's ID and their first name, and a list of people's ID and their surname. Some people don't have a first name and some don't have a surname; I'd like to do a full outer join on the two lists.
...
How do I change an HTML selected option using JavaScript?
...
Change
document.getElementById('personlist').getElementsByTagName('option')[11].selected = 'selected'
to
document.getElementById('personlist').value=Person_ID;
share
...
Difference between val() and text()
... I clicked the save button. After that action the content in the textarea didnt change anymore. With setting content with .val('content') this problem didnt appear. Couldnt figure out why, but I think it has something to do with DOM cache-ing and different behaviour of these 2 methods.
...
@UniqueConstraint annotation in Java
...
@Entity
@Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})})
public class class_name {
@Id
@GeneratedValue
public Long id;
@NotNull
public Long id_1;
@NotNull
public Long id_2;
}
Hope it helped.
...
The SQL OVER() clause - when and why is it useful?
...itioning By do?
Why can't I make a query with writing Group By SalesOrderID ?
8 Answers
...
Which annotation should I use: @IdClass or @EmbeddedId
...PI) specification has 2 different ways to specify entity composite keys: @IdClass and @EmbeddedId .
7 Answers
...
How do I get the n-th level parent of an element in jQuery?
...g 17 '11 at 13:37
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
...
How to find if div with specific id exists in jQuery?
...a variable called name . That variable is then used as the <div> id of the appended element.
10 Answers
...
MVC 5 Seed Users and Roles
...
Here is example of usual Seed approach:
protected override void Seed(SecurityModule.DataContexts.IdentityDb context)
{
if (!context.Roles.Any(r => r.Name == "AppAdmin"))
{
var store = new RoleStore<IdentityRole>(context);
var manager = new RoleMan...