大约有 45,000 项符合查询结果(耗时:0.0413秒) [XML]

https://stackoverflow.com/ques... 

problem with and :after with CSS in WebKit

I would like to add some style on a select box with the pseudo :after (to style my select box with 2 parts and without images). Here's the HTML: ...
https://stackoverflow.com/ques... 

What is the fastest method for selecting descendant elements in jQuery?

As far is I know, there are a number of ways of selecting child elements in jQuery . 3 Answers ...
https://stackoverflow.com/ques... 

Finding the id of a parent div using Jquery

...the result like this $(parent[0]).attr('id') after I did like a few parent selectors. – Piotr Kula Nov 7 '14 at 22:02  |  show 1 more comment ...
https://stackoverflow.com/ques... 

Is there an onSelect event or equivalent for HTML ?

I have an input form that lets me select from multiple options, and do something when the user changes the selection. Eg, ...
https://stackoverflow.com/ques... 

Limit file format when using ?

...te of <input type = "file"> can help to provide a filter in the file select dialog box of the OS. For example, <!-- (IE 10+, Edge (EdgeHTML), Edge (Chromium), Chrome, Firefox 42+) --> <input type="file" accept=".xls,.xlsx" /> should provide a way to filter out files other...
https://stackoverflow.com/ques... 

How can I select an element by name with jQuery?

... You can use the jQuery attribute selector: $('td[name ="tcol1"]') // matches exactly 'tcol1' $('td[name^="tcol"]' ) // matches those that begin with 'tcol' $('td[name$="tcol"]' ) // matches those that end with 'tcol' $('td[name*="tcol"]' ) // matche...
https://stackoverflow.com/ques... 

Inserting multiple rows in a single SQL query? [duplicate]

...much better methods as seen in the other answers. You can use INSERT with SELECT UNION ALL: INSERT INTO MyTable (FirstCol, SecondCol) SELECT 'First' ,1 UNION ALL SELECT 'Second' ,2 UNION ALL SELECT 'Third' ,3 ... Only for small datasets though, which should be fine for your 4 rec...
https://stackoverflow.com/ques... 

Preventing an image from being draggable or selectable without using JS

Does anyone know of a way to make an image not draggable and not selectable -- at the same time -- in Firefox, without resorting to Javascript? Seems trivial, but here's the issue: ...
https://stackoverflow.com/ques... 

How to find Unused Amazon EC2 Security groups

... If you select all of your security groups in the EC2 console, then press actions -> Delete Security Groups, a popup will appear telling you that you cannot delete security groups that are attached to instances, other security gro...
https://stackoverflow.com/ques... 

Why there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT clause?

...pdated) values(null, null); Query OK, 1 row affected (0.06 sec) mysql> select * from t5; +----+---------------------+---------------------+ | id | stamp_created | stamp_updated | +----+---------------------+---------------------+ | 2 | 2009-04-30 09:44:35 | 2009-04-30 09:44:35 | +...