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How to specify function types for void (not Void) methods in Java8?
...patible with that you are looking for:
interface Consumer<T> {
void accept(T t);
}
As such, Consumer is compatible with methods that receive a T and return nothing (void). And this is what you want.
For instance, if I wanted to display all element in a list I could simply create a consu...
How to send POST request in JSON using HTTPClient in Android?
I'm trying to figure out how to POST JSON from Android by using HTTPClient. I've been trying to figure this out for a while, I have found plenty of examples online, but I cannot get any of them to work. I believe this is because of my lack of JSON/networking knowledge in general. I know there are ...
Directive isolate scope with ng-repeat scope in AngularJS
...t;
{{$index}}: {{name.first}} {{name.last}}
</li>
Here is a JSFiddle demonstrating that it won't work. You get the exact same results as in your directive.
Why doesn't it work? Because scopes in AngularJS use prototypical inheritance. The value selected on your parent scope is a primiti...
Push git commits & tags simultaneously
...t push . Pushing tags should be a conscious choice since you don't want accidentally push one. That's fine. But is there a way to push both together? (Aside from git push && git push --tags .)
...
Is there a way to pass optional parameters to a function?
...d never use. If the parameter has this default value, you know the caller did not specify the parameter. If the parameter has a non-default value, you know it came from the caller.
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How to use Sphinx's autodoc to document a class's __init__(self) method?
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@MichaelMrozek: I am wondering about that, too... Did you understand the high upvote rate of this answer? At first, it looks like an answer that should be purged.
– lpapp
Sep 8 '14 at 17:34
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What really happens in a try { return x; } finally { x = null; } statement?
...
No - at the IL level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards
i.e. similar to:
int tmp;
try {
tmp = ...
} finally {
...
}
return tmp;
for example (using reflector):
static int Test() {...
What is the proper declaration of main?
...common to see incorrect programs that declare main with a return type of void; this is probably the most frequently violated rule concerning the main function).
There are two declarations of main that must be allowed:
int main() // (1)
int main(int, char*[]) // (2)
In (1), there ...
In Django, how does one filter a QuerySet with dynamic field lookups?
...
Person.objects.filter(**kwargs)
This is a very common and useful Python idiom.
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What is the meaning of “POSIX”?
...interfaces (and ancillary issues, such as commandline shell utilities) provided by Unix-y operating systems. When you write your programs to rely on POSIX standards, you can be pretty sure to be able to port them easily among a large family of Unix derivatives (including Linux, but not limited to i...