大约有 40,000 项符合查询结果（耗时：0.0743秒） [XML]
How to check if element has any children in Javascript?
... about child elements (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a child
}
Tha...
Convert String to SecureString
...
All I see is *****
– Ian Boyd
Nov 21 '17 at 19:48
...
Running code in main thread from another thread
...
No. If you subclass Handler (or use Handler.Callback interface) your handleMessage() method will ONLY be called for messages that have been posted using your handler. The main thread is using a different handler to post/process messages so there is no conflict.
...
Cast List to List
...List<Apple>();
List<IFruit> fruit = apples; // Fortunately not allowed
fruit.Add(new Banana());
// Eek - it's a banana!
Apple apple = apples[0];
Now you can convert a List<Apple> to an IEnumerable<IFruit> in .NET 4 / C# 4 due to covariance, but if you want a List<IFruit...
How do I get the web page contents from a WebView?
...k I found the answer in this post on lexandera.com. The code below is basically a cut-and-paste from the site. It seems to do the trick.
final Context myApp = this;
/* An instance of this class will be registered as a JavaScript interface */
class MyJavaScriptInterface
{
@JavascriptInterface
...
How to increase the execution timeout in php?
...me stuff in the php.ini it may be a newbie question, but an legit question all the same.
– Hannes
Sep 30 '10 at 10:13
1
...
Debugging App When Launched by Push Notification
... currently developing an app that receives Push Notifications. I have this all working 100% through a PHP page. There are several different types of push notifications my app can receive. The PHP handles this and sends different packets of information to my app which are all received just fine.
...
Cannot use a CONTAINS or FREETEXT predicate on table or indexed view because it is not full-text ind
...
Make sure you have full-text search feature installed.
Create full-text search catalog.
use AdventureWorks
create fulltext catalog FullTextCatalog as default
select *
from sys.fulltext_catalogs
Create full-text search index.
create fulltext index on Production.P...
How can I return the current action in an ASP.NET MVC view?
... the advice to add semantic information to the model is a better method in all cases than to rely on route data (controller, action) in your view even if the other answer provides more detail on how to get that data.
– tvanfosson
Apr 28 '16 at 12:34
...
Best way to track onchange as-you-type in input type=“text”?
In my experience, input type="text" onchange event usually occurs only after you leave ( blur ) the control.
16 Answers...