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Futures vs. Promises
...et" functionality from the "consumer/reader".
auto promise = std::promise<std::string>();
auto producer = std::thread([&]
{
promise.set_value("Hello World");
});
auto future = promise.get_future();
auto consumer = std::thread([&]
{
std::cout << future.get();
});
prod...
Calling async method synchronously
...
You can access the Result property of the task, which will cause your thread to block until the result is available:
string code = GenerateCodeAsync().Result;
Note: In some cases, this might lead to a deadlock: Your call to Result blocks the m...
How to get evaluated attributes inside a custom directive
...ope) {
$scope.foo = {name: "Umur"};
$scope.bar = "qwe";
});
HTML
<div ng-controller="myController">
<div my-directive my-text="hello {{ bar }}" my-two-way-bind="foo" my-one-way-bind="bar">
</div>
</div>
In that case, in the scope of directive (whether it's i...
Android: how to make keyboard enter button say “Search” and handle its click?
...
In the layout set your input method options to search.
<EditText
android:imeOptions="actionSearch"
android:inputType="text" />
In the java add the editor action listener.
editText.setOnEditorActionListener(new TextView.OnEditorActionListener() {
@Override
...
Visual Studio 2012 Web Publish doesn't copy files
...t had the same issue and realized it was because the publish settings defaults to "Any CPU", but my solution is set to "x86". Changing the Settings in the Publish to x86 fixed the issue.
– Sam
Apr 17 '13 at 17:57
...
Can HTML checkboxes be set to readonly?
...
you can use this:
<input type="checkbox" onclick="return false;"/>
This works because returning false from the click event stops the chain of execution continuing.
...
CSS :after not adding content to certain elements
...imensions are
defined by an external resource. Examples include images (<img> tags),
plugins (<object> tags), and form elements (<button>, <textarea>,
<input>, and <select> tags). All other elements types can be referred
to as non-replaced elements.
:bef...
Dynamic array in C#
...[1] = new Student("joe");
Using a generic list. Under the hood the List<T> class uses an array for storage but does so in a fashion that allows it to grow effeciently.
List<Student> list = new List<Student>();
list.Add(new Student("bob"));
list.Add(new Student("joe"));
Studen...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...ork:
array[array.Length] = 0;
Moreover please note that if you have a multidimensional array then you can't use Array.Length for both dimension, you have to use Array.GetLength():
int[,] data = new int[10, 5];
for (int i=0; i < data.GetLength(0); ++i) {
for (int j=0; j < data.GetLength...
Why java.util.Optional is not Serializable, how to serialize the object with such fields
... if it's present. If the value is absent, the caller can substitute a default value, throw an exception, or apply some other policy. This is typically done by chaining fluent method calls off the end of a stream pipeline (or other methods) that return Optional values.
It was never intended for Opti...