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Find all controls in WPF Window by type
...j) where T : DependencyObject
{
if (depObj != null)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
{
DependencyObject child = VisualTreeHelper.GetChild(depObj, i);
if (child != null && child is T)
{
...
Pass a JavaScript function as parameter
... refreshCallback.apply(this, parameters);
}
function refreshContactList(int, int, string) {
alert(int + int);
console.log(string);
}
addContact([1,2,"str"], refreshContactList); //parameters should be putted in an array
...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...unction. Also, the parameter definition of the anonymous function might be interpreted as the last parameter to the infix method.
You can use infix with multiple parameters:
string substring (start, end) map (_ toInt) mkString ("<", ", ", ">")
Curried functions are hard to use with infix n...
How do I achieve the theoretical maximum of 4 FLOPs per cycle?
How can the theoretical peak performance of 4 floating point operations (double precision) per cycle be achieved on a modern x86-64 Intel CPU?
...
What is the purpose of AsQueryable()?
...ready capable of providing an enumeration capability), why would I need to convert to IQueryable using the extension method AsQueryable()? Maybe a small code example to illustrate where this would come in handy? I seem to be missing something in your explanation. Thanks for your time.
...
Java: Instanceof and Generics
...is.t = t;
}
Then you can use isAssignableFrom to check the type.
public int indexOf(Object o) {
if (
o != null &&
!t.isAssignableFrom(o.getClass())
) return -1;
//...
Each time you instantiate your object you would have to repeat yourself:
new MyCollection&l...
Why JSF saves the state of UI components on server?
...tree provides information about the request parameter names, the necessary converters/validators, the bound managed bean properties and action methods.
Until what point in time does JSF save the state of UI components on the server side and when exactly is the UI component's state information remo...
How can I interrupt a ServerSocket accept() method?
... If the timeout expires and the operation would continue to block, java.io.InterruptedIOException is raised. The Socket is not closed in this case.
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How fast is D compared to C++?
I like some features of D, but would be interested if they come with a
runtime penalty?
8 Answers
...
How to cancel a Task in await?
...I'm trying to cancel a task using the method below, and it works to some point. The CancelNotification method DOES get called, which makes you think the task was cancelled, but in the background the task keeps running, then after it's completed, the status of the Task is always completed and never c...