大约有 45,000 项符合查询结果（耗时：0.0814秒） [XML]
Detect a finger swipe through JavaScript on the iPhone and Android
...
function handleTouchMove(evt) {
if ( ! xDown || ! yDown ) {
return;
}
var xUp = evt.touches[0].clientX;
var yUp = evt.touches[0].clientY;
var xDiff = xDown - xUp;
var yDiff = yDown - yUp;
...
jQuery disable a link
...ll prevent the default behaviour of a hyperlink, which is to visit the specified href.
From the jQuery tutorial:
For click and most other events, you
can prevent the default behaviour -
here, following the link to jquery.com
- by calling event.preventDefault() in the event handler
If yo...
iPhone: Setting Navigation Bar Title
...ild of some UINavigationController for the .title property to take effect. If the UINavigationBar is simply a view, you need to push a navigation item containing the title, or modify the last navigation item:
UINavigationItem* item = [[UINavigationItem alloc] initWithTitle:@"title text"];
...
[bar ...
What is the difference between parseInt() and Number()?
How do parseInt() and Number() behave differently when converting strings to numbers?
10 Answers
...
Should Jquery code go in header or footer?
...lace to put Jquery code (or separate Jquery file)? Will pages load faster if I put it in the footer?
9 Answers
...
How do I write a for loop in bash
...
It's worth a mention that the range specified here is inclusive. By that, I mean you will see the entire range (1 to 10) printed to the console.
– Jamie
Feb 22 '16 at 22:28
...
How do I prevent the modification of a private field in a class?
...best solution to the problem is actually as sp00m says - to return an Unmodifiable List.
– OldCurmudgeon
Feb 11 '13 at 12:10
...
Angular IE Caching issue for $http
...le.config(['$httpProvider', function($httpProvider) {
//initialize get if not there
if (!$httpProvider.defaults.headers.get) {
$httpProvider.defaults.headers.get = {};
}
// Answer edited to include suggestions from comments
// because previous version of code int...
python dataframe pandas drop column using int
... index like this:
df.drop(df.columns[i], axis=1)
It could work strange, if you have duplicate names in columns, so to do this you can rename column you want to delete column by new name. Or you can reassign DataFrame like this:
df = df.iloc[:, [j for j, c in enumerate(df.columns) if j != i]]
...
Popup弹出菜单扩展 · App Inventor 2 中文网
...AutoCheck，Checked是当前的新的选中状态。
为了节省大量的if... else if... else块，前五个菜单项的点击事件作为单独的事件可用。MenuItemSelected在MenuItemSelected之前触发。
属性
锚点组件
指定弹出菜单显示在其下...