大约有 30,000 项符合查询结果（耗时：0.0476秒） [XML]
How to enable CORS in AngularJs
...e POSTMAN, but when I try to GET from https://www.google.com using an AJAX call I get the CORS error? Is there no way I can make the AJAX call behave similarly to the call from POSTMAN?
– AjaxLeung
Jan 27 '16 at 17:14
...
How to get all selected values from ?
...about selectedOptions? Is it not cross-browser enough? Array.prototype.map.call(el.selectedOptions, function(x){ return x.value })
– tenbits
Jul 8 '15 at 13:56
...
What is the difference between String and string in C#?
...
string is an alias in C# for System.String.
So technically, there is no difference. It's like int vs. System.Int32.
As far as guidelines, it's generally recommended to use string any time you're referring to an object.
e.g.
string place = "world";
Likewise, I think it's ...
Android: How can I get the current foreground activity (from a service)?
...eatePendingResult()) that the service invokes
Have the activity register a callback or listener object with the service via bindService(), and have the service call an event method on that callback/listener object
Send an ordered broadcast Intent to the activity, with a low-priority BroadcastReceive...
How to timeout a thread
...n SSCCE:
package com.stackoverflow.q2275443;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
public cla...
AngularJS : How to watch service variables?
...f $watch.
In the service:
factory('aService', function() {
var observerCallbacks = [];
//register an observer
this.registerObserverCallback = function(callback){
observerCallbacks.push(callback);
};
//call this when you know 'foo' has been changed
var notifyObservers = function()...
Switching to a TabBar tab view programmatically?
...longer select the tab bar normally. UPDATE: this was somehow related to me calling popToRootViewController right before I swapped tabs programmatically.
– Adam Johns
May 13 '14 at 3:35
...
socket.error: [Errno 48] Address already in use
...ave to resort to tougher methods like sending a SIGKILL (kill -s KILL <pid> or kill -9 <pid>) signal instead. See Wikipedia for more details.
Alternatively, run the server on a different port, by specifying the alternative port on the command line:
$ python -m SimpleHTTPServer 8910
Ser...
Are there benefits of passing by pointer over passing by reference in C++?
...a reference.
Also, passing by pointer allows you to explicitly see at the call site whether the object is passed by value or by reference:
// Is mySprite passed by value or by reference? You can't tell
// without looking at the definition of func()
func(mySprite);
// func2 passes "by pointer" -...
How to disallow temporaries
...
I'm not sure I understand. Foo("hello") tries to call void Foo(float) and it results in a linker error ? But why is the float version called instead of the Foo ctor ?
– undu
Oct 31 '12 at 15:01
...