大约有 19,000 项符合查询结果（耗时：0.0412秒） [XML]
Stop/Close webcam which is opened by navigator.getUserMedia
...eveloper will have to access the tracks that make up the stream (audio or video) and stop each of them individually.
More info here: https://developers.google.com/web/updates/2015/07/mediastream-deprecations?hl=en#stop-ended-and-active
Example (from the link above):
stream.getTracks().forEach...
How do I programmatically get the GUID of an application in .net2.0
...
Try the following code. The value you are looking for is stored on a GuidAttribute instance attached to the Assembly
using System.Runtime.InteropServices;
static void Main(string[] args)
{
var assembly = typeof(Program).Assembly;
var attribute = (GuidAttribute)assembly.GetCustomAttribu...
How do I serialize a C# anonymous type to a JSON string?
...y, "Oh, this is type Foo! I know how that should look in JSON."
Having said that, you might try JSON.Net to do the serialization. I have no idea if it will work
share
|
improve this answer
...
How to get request URI without context path?
...
If you're inside a front contoller servlet which is mapped on a prefix pattern, then you can just use HttpServletRequest#getPathInfo().
String pathInfo = request.getPathInfo();
// ...
Assuming that the servlet in your example is mapped...
val() doesn't trigger change() in jQuery [duplicate]
...x when I change its value with a button, but it doesn't work. Check this fiddle .
9 Answers
...
Delete all rows in an HTML table
...
Easily the most efficient solution, provided of course that the JavaScript developer is allowed to modify the HTML.
– Blazemonger
Sep 1 '11 at 14:26
...
Is there a 'box-shadow-color' property?
... display: inline-block;
background: white;
height: 100px;
width: 100px;
margin: 30px;
border-radius: 50%;
}
<div class="green"></div>
<div class="red"></div>
The bug mentioned in the comment below has since been fixed :)
...
How to concatenate columns in a Postgres SELECT?
...d string literal ', ' defaults to type text making the whole expression valid in any case.
For non-string data types, you can "fix" the 1st statement by casting at least one argument to text. (Any type can be cast to text):
SELECT a::text || b AS ab FROM foo;
Judging from your own answer, "does ...
Is there any way to call a function periodically in JavaScript?
...
You want setInterval():
var intervalID = setInterval(function(){alert("Interval reached");}, 5000);
The first parameter to setInterval() can also be a string of code to be evaluated.
You can clear a periodic function with:
clearInterval(intervalID);
...
getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
...alculate how far from the bottom or right, you would have to use jQuery's width and height methods.
share
|
improve this answer
|
follow
|
...