大约有 18,356 项符合查询结果（耗时：0.0380秒） [XML]
Datepicker: How to popup datepicker when click on edittext
...he date, the date should show in edittext in dd/mm/yyyy format. PLease provide me sample code or good links.
28 Answers
...
jquery .html() vs .append()
... depends heavily on the situation. If you want to create a large number of identical elements, then the last thing you want to do is create a massive loop, creating a new jQuery object on every iteration. E.g. the quickest way to create 100 divs with jQuery:
jQuery(Array(101).join('<div></...
What is href=“#” and why is it used?
...location.
Hash:
A hash - # within a hyperlink specifies an html element id to which the window should be scrolled.
href="#some-id" would scroll to an element on the current page such as <div id="some-id">.
href="//site.com/#some-id" would go to site.com and scroll to the id on that page...
Set the selected index of a Dropdown using jQuery
...t selector is pretty slow. It will scan every DOM element looking for the ids. It will be less of a performance hit if you can assign a class to the element.
$(".myselect")
To answer your question though, there are a few ways to change the select elements value in jQuery
// sets selected index...
Reference alias (calculated in SELECT) in WHERE clause
...sion is extremely complex (or costly to calculate) you should probably consider a computed column (and perhaps persisted) instead, especially if a lot of queries refer to this same expression.
PS your fears seem unfounded. In this simple example at least, SQL Server is smart enough to only perform ...
How to add custom method to Spring Data JPA
I am looking into Spring Data JPA. Consider the below example where I will get all the crud and finder functionality working by default and if I want to customize a finder then that can be also done easily in the interface itself.
...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...23.45;
number = @YES;
[Edit]
zxoq at http://news.ycombinator.com/item?id=3672744 has added more interesting new subscripting. (Added with literals):
arr[1] === [arr objectAtIndex:1]
dict[@"key"] === [dict objectForKey:@"key"]
[Edit 2]
The new ObjC literals were discussed in multiple ...
Center a button in a Linear layout
...
If you want to center an item in the middle of the screen don't use a LinearLayout as these are meant for displaying a number of items in a row.
Use a RelativeLayout instead.
So replace:
android:layout_gravity="center_vertical|center_horizontal"
for the re...
How do PHP sessions work? (not “how are they used?”)
...re usually stored in, say, /tmp/ on the server, and named sess_{session_id} . I have been looking at the contents and cannot figure out how they really work.
...
When to use single quotes, double quotes, and backticks in MySQL
...
Backticks are to be used for table and column identifiers, but are only necessary when the identifier is a MySQL reserved keyword, or when the identifier contains whitespace characters or characters beyond a limited set (see below) It is often recommended to avoid using ...