大约有 42,000 项符合查询结果(耗时:0.0382秒) [XML]
Set Value of Input Using Javascript Function
... currently using a YUI gadget. I also do have a Javascript function to validate the output that comes from the div that YUI draws for me:
...
“is” operator behaves unexpectedly with integers
...ke a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>>> id(b)
9987148
>>> a = 257
>>> b = 257
>>> id(a)
11662816
>>> id(b)
11662828
Here's what I found in the Python 2 documentation, "Plain Integer Objects" (It's the...
How do I hide a menu item in the actionbar?
I have an action bar with a menuitem. How can I hide/show that menu item?
24 Answers
2...
Difference between left join and right join in SQL Server [duplicate]
...ed completely interchangeable. Try however Table2 left join Table1 (or its identical pair, Table1 right join Table2) to see a difference. This query should give you more rows, since Table2 contains a row with an id which is not present in Table1.
...
How to add footnotes to GitHub-flavoured Markdown?
...r superscript tags, e.g. <sup>1</sup>.
¹Of course this isn't ideal, as you are now responsible for maintaining the numbering of your footnotes. It works reasonably well if you only have one or two, though.
shar...
How to append data to div using JavaScript?
...
Try this:
var div = document.getElementById('divID');
div.innerHTML += 'Extra stuff';
share
|
improve this answer
|
follow
...
jQuery: more than one handler for same event
... multiple handlers on one element, therefore a later handler does not override an older handler.
The handlers will execute in the order in which they were bound.
share
|
improve this answer
...
How to send a JSON object using html form data
...;
You can use it later in ajax. Or if you are not using ajax; put it in hidden textarea and pass to server. If this data is passed as json string via normal form data then you have to decode it using json_decode. You'll then get all data in an array.
$.ajax({
type: "POST",
url: "serverUrl",
...
MySQL Select Date Equal to Today
...
SELECT users.id, DATE_FORMAT(users.signup_date, '%Y-%m-%d')
FROM users
WHERE DATE(signup_date) = CURDATE()
share
|
improve this answe...
INSERT … ON DUPLICATE KEY (do nothing)
...
Yes, use INSERT ... ON DUPLICATE KEY UPDATE id=id (it won't trigger row update even though id is assigned to itself).
If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if the row is not ins...