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What's the state of the art in email validation for Rails?
... answered Aug 24 '10 at 9:56
HallelujahHallelujah
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How to return value from an asynchronous callback function? [duplicate]
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This is impossible as you cannot return from an asynchronous call inside a synchronous method.
In this case you need to pass a callback to foo that will receive the return value
function foo(address, fn){
geocoder.geocode( { 'address': address}, function(results, status) {
fn(r...
Why do assignment statements return a value?
This is allowed:
14 Answers
14
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Swift - How to convert String to Double
...ocumentation:(They are not locale-aware) The following convenience methods all skip initial space characters (whitespaceSet) and ignore trailing characters. They are not locale-aware. NSScanner or NSNumberFormatter can be used for more powerful and locale-aware parsing of numbers.
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How do I read from parameters.yml in a controller in symfony2?
... can call getParameter directly, with no DI. I.e.: $this->getParameter('foo'). That's what I did to make it work in SF 4.8.
– Ricardo Martins
May 24 at 22:36
add a comment
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Location of parenthesis for auto-executing anonymous JavaScript functions?
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They're virtually the same.
The first wraps parentheses around a function to make it a valid expression and invokes it. The result of the expression is undefined.
The second executes the function and the parentheses around the automati...
Create a new object from type parameter in generic class
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Because the compiled JavaScript has all the type information erased, you can't use T to new up an object.
You can do this in a non-generic way by passing the type into the constructor.
class TestOne {
hi() {
alert('Hi');
}
}
class TestTwo {
...
XDocument or XmlDocument
...ment = new XElement(ns + "elementName");
// etc
LINQ to XML also works really well with LINQ - its construction model allows you to build elements with sequences of sub-elements really easily:
// Customers is a List<Customer>
XElement customersElement = new XElement("customers",
custome...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
... then: function (callback) {
return callback({'foo' : "bar"});
}
};
});
//act
var result = service.actionUnderTest(); // does cleverness
//assert
expect(spy).toHaveBeenCalled();
}...
Returning value from Thread
...// value[0] holds 2 at this point.
}
You can also use an Executor and a Callable like this:
public void test() throws InterruptedException, ExecutionException
{
ExecutorService executor = Executors.newSingleThreadExecutor();
Callable<Integer> callable = new Callable<Integer>...