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Android NDK C++ JNI (no implementation found for native…)
...
There are a couple of things that can lead to "no implementation found". One is getting the function prototype name wrong, another is failing to load the .so at all. Are you sure that System.loadLibrary() is being called before the method is used?
If you don't have a JNI_OnLoad function defined,...
Idiomatic way to wait for multiple callbacks in Node.js
... // yield any promise
var result = yield Promise.resolve(true);
}).catch(onerror);
co(function *(){
// resolve multiple promises in parallel
var a = Promise.resolve(1);
var b = Promise.resolve(2);
var c = Promise.resolve(3);
var res = yield [a, b, c];
console.log(res);
// => [1, ...
How to get the name of enumeration value in Swift?
...thorizedAlways: return "AuthorizedAlways" <etc> } } } - once you've done this, it should work as you'd expect: print("Auth status: (\status))".
– Jeffro
Apr 27 '16 at 19:41
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When is -XAllowAmbiguousTypes appropriate?
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So, why does GHC complain about the fi in your type signature but not the one for sugarSym? The documentation you have linked to explains that a type is ambiguous if it doesn't appear to the right of the constraint, unless the constraint is using functional dependencies to infer the otherwise-ambig...
What is Type-safe?
...me simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method arguments, since you are passing explicit types to them:
int AddTwoNumbers(int a, int b)
{
return a + b;
}
If I tried to call that using:
int Sum ...
Visual Studio 64 bit?
...MK: The office "recreational speculation" doesn't survive the sniff test. Nonetheless, the part of the article relevant to the question (re: VS x64) seems pretty solid.
– Adam Robinson
Mar 25 '10 at 15:00
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How to determine if a list of polygon points are in clockwise order?
...l in the case of a non-convex polygon, such as a crescent. Here's a simple one that will work with non-convex polygons (it'll even work with a self-intersecting polygon like a figure-eight, telling you whether it's mostly clockwise).
Sum over the edges, (x2 − x1)(y2 + y1). If the result is positi...
swift case falling through
... as follows:
var testVal = "hello"
var result = 0
switch testVal {
case "one", "two":
result = 1
default:
result = 3
}
Alternatively, you can use the fallthrough keyword:
var testVal = "hello"
var result = 0
switch testVal {
case "one":
fallthrough
case "two":
result = 1
defaul...
What is “vectorization”?
...
@StephenCanon how can one check whether or not some lines have been vectorized? If one would use objdump, what would one look for in the output of objdump?
– user1823664
Jun 9 '17 at 13:49
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JavaScript: What are .extend and .prototype used for?
...end the prototypes of objects such as Date, Math, and even your own custom ones.
Date.prototype.lol = function() {
alert('hi');
};
( new Date ).lol() // alert message
In the snippet above, I define a method for all Date objects ( already existing ones and all new ones ).
extend is usually a h...