大约有 14,600 项符合查询结果（耗时：0.0233秒） [XML]
Best practice: AsyncTask during orientation change
...s in the .onPostExecute() callback, so they don't modify the Activity that started them directly. The Activities listen to these broadcasts with dynamic BroadcastReceivers and act accordingly.
This way the AsyncTasks don't have to care about the specific Activity instance that handles their result...
Is it possible to ping a server from Javascript?
...hat.good();};
this.img.onerror = function() {_that.good();};
this.start = new Date().getTime();
this.img.src = "http://" + ip;
this.timer = setTimeout(function() { _that.bad();}, 1500);
}
}
This works on all types of servers that I've tested (web servers, ftp servers, and game ...
Android: How to enable/disable option menu item on button click?
...initialize it on 1 since I need all elements to be hidden when my activity starts loading.
Then in my onCreateOptionsMenu() I check for this variable , if it's 1 I disable all my items, if not, I just show them all
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInf...
How does one reorder columns in a data frame?
...
to put the columns in idcols at the start: idcols <- c("name", "id2", "start", "duration"); cols <- c(idcols, names(cts)[-which(names(cts) %in% idcols)]); df <- df[cols]
– kasterma
Jun 10 '14 at 12:49
...
Wait 5 seconds before executing next line
...n thread for a period of time, this will do it.
function wait(ms){
var start = new Date().getTime();
var end = start;
while(end < start + ms) {
end = new Date().getTime();
}
}
With execution in the form:
console.log('before');
wait(7000); //7 seconds in milliseconds
console.l...
Is ServiceLocator an anti-pattern?
...e patterns, and for Service Locator there are several use cases. But let's start by looking at the examples that you have given.
public class MyType
{
public void MyMethod()
{
var dep1 = Locator.Resolve<IDep1>();
dep1.DoSomething();
// new dependency
v...
How to find the port for MS SQL Server 2008?
...
Click on Start button in Windows.
Go to All Programs -> Microsoft SQL Server 2008 -> Configuration Tools -> SQL Server Configuration Manager
Click on SQL Native Client 10.0 Configuration -> Client Protocols -> TCP/IP
do...
Android Studio doesn't see device
...
I recently had trouble with this, and regardless of what I did(restart adb, edit adb_usb.ini, restart computer+device+swap usb port, reinstall studio etc. etc.) I just couldnt get it to work, and could not even detect my device using 'adb devices'. Finally after about 2 hours of googling ...
'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure
... It's a static public property. It should be set at application start-up. E.g. I'm setting it in the Application_Start event in the Global.asax.cs of my web application.
– Chris
Jan 11 '17 at 5:21
...
MongoDB: Is it possible to make a case-insensitive query?
...200ms where casesensitive regex takes about 16ms.(Both cases include regex start with '^')
– dCoder
Dec 6 '15 at 7:44
2
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