Top "Invalidation" questions

How to validate/invalidate sessions jsp/servlets?

I opened the session in my servlet when the user performed a successful login: HttpSession session = request.getSession(true); session.…

jsp session servlets invalidation
Why session is not null after session.invalidate() in JAVA?

I am facing very strange problem while developing JavaEE WEB Application. Even after invalidating the HttpSession using session.invalidate();, I …

java session invalidation
What does postInvalidate() do?

What is the use of the postInvalidate() function in Android? I have been seeing this function in a lot of …

android android-layout invalidation
Momentjs : How to prevent "Invalid date"?

I have the following code : var fomattedDate = moment(myDate).format("L"); Sometimes moment(myDate).format("L") returns "Invalid date", I …

javascript momentjs invalidation
How to update Android Views upon modifications?

I have some methods in my View that modify some of the shapes that are drawn when called. In Java …

android repaint invalidation ondraw
How can I manually tell an owner-drawn WPF Control to refresh/redraw without executing measure or arrange passes?

We are doing custom drawing in a control subclass's OnRender. This drawing code is based on an external trigger and …

wpf custom-controls redraw invalidation onrender
How to properly invalidate JSP session?

So here is the problem. When a user logs out of my website, they can still hit the back button …

java security jsp session invalidation
How to find if NSTimer is active or not?

I have a something like this: NSTimer* timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateCountdown) userInfo:nil repeats:YES]; I …

objective-c xcode iphone-sdk-3.0 nstimer invalidation
Difference between invalidate metadata and refresh commands in Impala?

I saw at this link which affects Impala version 1.1: Since Impala 1.1, REFRESH statement only works for existing tables. For new …

impala invalidation
Invalidate vs Update

I have code that lets be drag around a borderless form in winforms that I've been using for several months …

c# winforms drag-and-drop invalidation