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How to call asynchronous method from synchronous method in C#?
I have a public async void Foo() method that I want to call from synchronous method. So far all I have seen from MSDN documentation is calling async methods via async methods, but my whole program is not built with async methods.
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Exiting from python Command Line
... active python what is happening is that exit is a function. If you do not call the function it will print out the string representation of the object. This is the default behaviour for any object returned. It's just that the designers thought people might try to type exit to exit the interpreter, s...
Convert Enum to String
...y tests, Enum.GetName was faster and by decent margin. Internally ToString calls Enum.GetName. From source for .NET 4.0, the essentials:
public override String ToString()
{
return Enum.InternalFormat((RuntimeType)GetType(), GetValue());
}
private static String InternalFormat(RuntimeType eT, Ob...
Forced naming of parameters in Python
...o(10, forcenamed=20)
10 20
>>> foo(10, 20)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: foo() takes exactly 1 positional argument (2 given)
This can also be combined with **kwargs:
def foo(pos, *, forcenamed, **kwargs):
...
Why should I prefer single 'await Task.WhenAll' over multiple awaits?
...l it is possible to maintain this fast-track code while still ensuring the caller is able to wait for all tasks to be completed, e.g.:
public Task DoSomethingAsync()
{
var t1 = DoTaskAsync("t2.1", 3000);
var t2 = DoTaskAsync("t2.2", 2000);
var t3 = DoTaskAsync("t2.3", 1000);
return...
Set padding for UITextField with UITextBorderStyleNone
...by doing that
let paddingView: UIView = UIView(frame: CGRect(x: 0, y: 0, width: 5, height: 20))
textField.leftView = paddingView
textField.leftViewMode = .always
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Callback after all asynchronous forEach callbacks are completed
...everal ways to accomplish what you want:
Using a simple counter
function callback () { console.log('all done'); }
var itemsProcessed = 0;
[1, 2, 3].forEach((item, index, array) => {
asyncFunction(item, () => {
itemsProcessed++;
if(itemsProcessed === array.length) {
callback...
What's the best way to cancel event propagation between nested ng-click calls?
...d in it. Clicking the black overlay dismisses it; clicking the image will call a function that shows the next image.
9 Ans...
C# 4.0 optional out/ref arguments
...with another method that doesn't have out / ref parameters, and which just calls your current method.
public bool SomeMethod(out string input)
{
...
}
// new overload
public bool SomeMethod()
{
string temp;
return SomeMethod(out temp);
}
If you have C# 7.0, you can simplify:
// new ov...
When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
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@CodeYogi What specifically do you need explained?
– Raphael
Aug 21 '16 at 21:47
1
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