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Invalid postback or callback argument. Event validation is enabled using '
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The problem is that ASP.NET does not get to know about this extra or removed listitem.
You got an number of options (listed below):
Disable eventvalidation (bad idea, because you lose a little of security that come with very little cost).
Use ASP.NET ...
What is the difference between & and && in Java?
... both its boolean operands are true , and the & operator is used to do Bit-wise operations on two integer types.
13 ...
How to set cornerRadius for only top-left and top-right corner of a UIView?
...)
roundCorners(corners: [.topLeft, .topRight], radius: 3.0)
}
If you don't do that it won't show up.
And to round corners, use the extension:
extension UIView {
func roundCorners(corners: UIRectCorner, radius: CGFloat) {
let path = UIBezierPath(roundedRect: bounds, byRoundingCor...
Attaching click event to a JQuery object not yet added to the DOM [duplicate]
...ouble attaching the click event to a JQuery object before adding it to the DOM.
10 Answers
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Increment a database field by 1
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Updating an entry:
A simple increment should do the trick.
UPDATE mytable
SET logins = logins + 1
WHERE id = 12
Insert new row, or Update if already present:
If you would like to update a previously existing row, or insert it if it doesn't already exist, you c...
How to print a date in a regular format?
...and Python tried to represent the set of data, using repr().
The How: what do you want to do with that?
Well, when you manipulate dates, keep using the date objects all long the way. They got thousand of useful methods and most of the Python API expect dates to be objects.
When you want to display t...
Mod of negative number is melting my brain
...ing to mod an integer to get an array position so that it will loop round. Doing i %
arrayLength works fine for positive numbers but for negative numbers it all goes wrong.
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Creating a copy of a database in PostgreSQL [closed]
...abase dialog but you should be able to execute the following in a query window if it doesn't:
CREATE DATABASE newdb WITH TEMPLATE originaldb OWNER dbuser;
Still, you may get:
ERROR: source database "originaldb" is being accessed by other users
To disconnect all other users from the database, ...
Example use of “continue” statement in Python?
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This illustrates what continue does but it's not overly useful, when you could do if letter != 'D': print 'Current Letter:', letter
– Chris_Rands
Sep 26 '18 at 21:56
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Unfortunately MyApp has stopped. How can I solve this?
...n for solving your problem.
Android Studio
In the bottom bar of the window, click on the Logcat button. Alternatively, you can press alt+6. Make sure your emulator or device is selected in the Devices panel. Next, try to find the stack trace, which is shown in red. There may be a lot of stuff lo...