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How to run a method every X seconds
... @ahmadalibaloch from within the runnable you can do h.removeCallbacks(this);, else you need to maintain a reference to the runnable to be able to remove it. If the second is desired the method posted here might not be your best route.
– Jug6ernaut
...
How does Java Garbage Collection work with Circular References?
...ge collector handles circular-reference!
How?
There are special objects called called garbage-collection roots (GC roots). These are always reachable and so is any object that has them at its own root.
A simple Java application has the following GC roots:
Local variables in the main method
The...
How does generic lambda work in C++14?
...y, the closure type defined by the lambda expression will have a templated call operator rather than the regular, non-template call operator of C++11's lambdas (of course, when auto appears at least once in the parameter list).
So your example:
auto glambda = [] (auto a) { return a; };
Will mak...
Html.RenderPartial() syntax with Razor
... }.
Partial() is a method that returns an MvcHtmlString. In Razor, You can call a property or a method that returns such a string with just a @ prefix to distinguish it from plain HTML you have on the page.
share
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What is database pooling?
...ed to keep database connections open so they can be reused by others.
Typically, opening a database connection is an expensive operation, especially if the database is remote. You have to open up network sessions, authenticate, have authorisation checked, and so on. Pooling keeps the connections ac...
Passing arguments forward to another javascript function
... manipulate that before passing it along, for example: var copy = [].slice.call(arguments); <remove what you want> myFunc.apply(this, copy);
– Nick Craver♦
Feb 17 '12 at 11:18
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Join between tables in two different databases?
In MySQL, I have two different databases -- let's call them A and B .
4 Answers
4
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Error inflating when extending a class
... class GhostSurfaceCameraView extends SurfaceView implements SurfaceHolder.Callback {
SurfaceHolder mHolder;
Camera mCamera;
public GhostSurfaceCameraView(Context context)
{
super(context);
init();
}
public GhostSurfaceCameraVi...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
... from the frame. The same logic can also be implemented in pop-ups and basically any new window generated by the main page (e.g. using window.open()) as well, without any difference.
Disabling same-origin policy in your browser
There already are some good answers about this topic (I just found them ...
What's the difference between a continuation and a callback?
...
I believe that continuations are a special case of callbacks. A function may callback any number of functions, any number of times. For example:
var array = [1, 2, 3];
forEach(array, function (element, array, index) {
array[index] = 2 * element;
});
console.l...