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Cast Double to Integer in Java
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just call intValue() then.
– hvgotcodes
Feb 1 '12 at 19:58
6
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What is the correct way to get a subarray in Scala?
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You can call the slice method:
scala> Array("foo", "hoo", "goo", "ioo", "joo").slice(1, 4)
res6: Array[java.lang.String] = Array(hoo, goo, ioo)
It works like in python.
share
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Type definition in object literal in TypeScript
...s? Since the class doesn't get initialized and we only assign properties, calling a method on the class will cause a null exception. Basically, the object we create only 'acts' as the class because we assign its type, but it is not actually an instance of that class. I.e. we need to create the class...
curl POST format for CURLOPT_POSTFIELDS
... it should be key=>value paired and the Content-type header is automatically set to multipart/form-data.
Also, you don't have to create extra functions to build the query for your arrays, you already have that:
$query = http_build_query($data, '', '&');
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Is it possible to use jQuery .on and hover?
...ny interference. But .hover() works just fine as an event with .on().
$("#foo").on("hover", function() {
// disco
});
If you want to be able to utilize its events, use the returned object from the event:
$("#foo").on("hover", function(e) {
if(e.type == "mouseenter") {
console.log("over")...
Spring @Autowired usage
...n having a "centralized, declarative, configuration" like the xml files we all used to use. Then I realized that most of the stuff in the files wasn't configuration - it was never changed anywhere after development, ever. Then I realized that "centralized" only has value in quite small systems - onl...
How can I position my div at the bottom of its container?
...s absolute or relatively position in order to determine it's position. If all fails it resorts to body (window). So hence the need for the parent to be relative.
– user17753
Jun 13 '12 at 18:46
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Which is faster: Stack allocation or Heap allocation
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Stack allocation is much faster since all it really does is move the stack pointer.
Using memory pools, you can get comparable performance out of heap allocation, but that comes with a slight added complexity and its own headaches...
Why is this F# code so slow?
...es generic comparison (I thought this uses just IComparable, but it is actually more complicated - it would use structural comparison for F# types and it's fairly complex logic).
> let min3(a, b, c) = min a (min b c);;
val min3 : 'a * 'a * 'a -> 'a when 'a : comparison
In the C# version, ...
How do you properly use namespaces in C++?
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Namespaces are packages essentially. They can be used like this:
namespace MyNamespace
{
class MyClass
{
};
}
Then in code:
MyNamespace::MyClass* pClass = new MyNamespace::MyClass();
Or, if you want to always use a specific namespace, you can d...