大约有 44,000 项符合查询结果（耗时：0.0492秒） [XML]
jQuery .scrollTop(); + animation
...for the animate command which will execute after the scroll animation has finished.
For example:
var body = $("html, body");
body.stop().animate({scrollTop:0}, 500, 'swing', function() {
alert("Finished animating");
});
Where that alert code is, you can execute more javascript to add in furt...
How can I convert a comma-separated string to an array?
I have a comma-separated string that I want to convert into an array, so I can loop through it.
15 Answers
...
How can I create a unique constraint on my column (SQL Server 2008 R2)?
...
To create these constraints through the GUI you need the "indexes and keys" dialogue not the check constraints one.
But in your case you just need to run the piece of code you already have. It doesn't need to be entered into the expression dialogu...
How can I render a list select box (dropdown) with bootstrap?
Is there anything out of the box that bootstrap supports to render a "regular" defacto drop down list select box? That is, where the drop down box is a list of values and if selected populate the contents of the list box?
...
Difference between Key, Primary Key, Unique Key and Index in MySQL
When should I use KEY , PRIMARY KEY , UNIQUE KEY and INDEX ?
8 Answers
8
...
How to split a string at the first `/` (slash) and surround part of it in a ``?
...
Using split()
Snippet :
var data =$('#date').text();
var arr = data.split('/');
$("#date").html("<span>"+arr[0] + "</span></br>" + arr[1]+"/"+arr[2]);
<script src="https://ajax.googleapis.com/aj...
Create Django model or update if exists
...
If you're looking for "update if exists else create" use case, please refer to @Zags excellent answer
Django already has a get_or_create, https://docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create
For you it could be :
...
Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?
I'm using storyboards and I have a UITableView. I have a segue setup that pushes from my table to the detail VC. But which method should I use to handle this? I'll have to pass a couple objects to the detail view. But do I use didSelectRowAtIndex or -(void)prepareForSegue:(UIStoryboardSegue *...
Save Javascript objects in sessionStorage
SessionStorage and LocalStorage allows to save key/value pairs in a web browser. The value must be a string, and save js objects is not trivial.
...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
I have a JPA-persisted object model that contains a many-to-one relationship: an Account has many Transactions . A Transaction has one Account .
...