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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implement the RotationDetector.aix extension as described in part 2 below using the extension test send (2) may need to be rebuilt as the system ...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implement the RotationDetector.aix extension as described in part 2 below using the extension test send (2) may need to be rebuilt as the system ...
How can I wait for a thread to finish with .NET?
...(Hopefully these compile, I haven't tried)
public class Form1 : Form
{
int _count;
void ButtonClick(object sender, EventArgs e)
{
ThreadWorker worker = new ThreadWorker();
worker.ThreadDone += HandleThreadDone;
Thread thread1 = new Thread(worker.Run);
th...
Scala: what is the best way to append an element to an Array?
Say I have an Array[Int] like
3 Answers
3
...
iOS 7's blurred overlay effect using CSS?
...kePopup' runs html2canvas for rendering document as an image.
The image is converted to data-url string and it is painted as the popup's background-image.
Popup's bg is blurred by -webkit-filter:blur
Append the popup into document.
While you're dragging the popup, it changes its own background-posit...
Linq to Entities - SQL “IN” clause
...ther uses method syntax. Essentially, they are the same and could be used interchangeably depending on your preference:
Query Syntax:
var selected = from u in users
where new[] { "Admin", "User", "Limited" }.Contains(u.User_Rights)
select u
foreach(user u in selecte...
Array initializing in Scala
...o more dynamic inits with fill, e.g.
Array.fill(10){scala.util.Random.nextInt(5)}
==>
Array[Int] = Array(0, 1, 0, 0, 3, 2, 4, 1, 4, 3)
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Internal Error 500 Apache, but nothing in the logs?
...in windows and then upload it to the server without the line endings being converted you will get this error.
in perl if you forget
print "content-type: text/html\r\n\r\n";
you will get this error
There are many reasons for it. so please first check your error log and then provide some more in...
Newline in markdown table?
...
The <BR> syntax works only when you convert to HTML - at least in pandoc.
– halloleo
Jul 5 '15 at 4:11
3
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Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...n specify your own identity values.
SET IDENTITY_INSERT Table1 ON
INSERT INTO Table1
/*Note the column list is REQUIRED here, not optional*/
(OperationID,
OpDescription,
FilterID)
VALUES (20,
'Hierachy Update',
1)
SET IDENTITY_I...