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How to return 2 values from a Java method?
... 2;
return new MyResult(number1, number2);
}
public static void main(String[] args) {
MyResult result = something();
System.out.println(result.getFirst() + result.getSecond());
}
share
|
...
Centering a view in its superview using Visual Format Language
...g only VFL. It is, however, not that difficult to do it using a single VFL string and a single extra constraint (per axis):
VFL: "|-(>=20)-[view]-(>=20)-|"
[NSLayoutConstraint constraintWithItem:view
attribute:NSLayoutAttributeCenterX
...
If vs. Switch Speed
...ector to look at the code produced, you will see that for huge switches on strings, the compiler will actually generate code that uses a hash table to dispatch these. The hash table uses the strings as keys and delegates to the case codes as values.
This has asymptotic better runtime than lots of c...
How do you declare an interface in C++?
...e virtual method
};
class Tester : public IBase {
public:
Tester(std::string name);
virtual ~Tester();
virtual void Describe();
private:
std::string privatename;
};
Tester::Tester(std::string name) {
std::cout << "Tester constructor" << std::endl;
this->priva...
How to display Base64 images in HTML?
...
Is this an image encoded to a string? Can every image be represented as a string? The more detail an image has the longer the string?
– Timo
May 20 at 12:36
...
Why should I declare a virtual destructor for an abstract class in C++?
...
{
public:
virtual void DoFoo() = 0;
};
class Bar : public IFoo
{
char* dooby = NULL;
public:
virtual void DoFoo() { dooby = new char[10]; }
void ~Bar() { delete [] dooby; }
};
IFoo* baz = new Bar();
baz->DoFoo();
delete baz; // memory leak - dooby isn't deleted
...
onchange event on input type=range is not triggering in firefox while dragging
... In other browsers, the "change" event is effectively silenced (to prevent extra and sometimes not-readily-apparent events from firing). In addition, the "input" event fires its listener only when the range/slider's value changes. For some browsers (e.g. Firefox) this occurs because the listener is ...
I didn't find “ZipFile” class in the “System.IO.Compression” namespace
... could do this:
#region
/// <summary>
/// Custom Method - Check if 'string' has '.png' or '.PNG' extension.
/// </summary>
static bool HasPNGExtension(string filename)
{
return Path.GetExtension(filename).Equals(".png", StringComparison.InvariantCultureIgnoreCase)
|| Path.Ge...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...a pain that the arrow keys and delete button snap cursor to the end of the string ( and because of that it was kicked back to me in testing)
I added in a simple change
$('.numbersOnly').keyup(function () {
if (this.value != this.value.replace(/[^0-9\.]/g, '')) {
this.value = this.value....
Why implement interface explicitly?
...
Hi Michael B. So why in implementation of string in .NET there public implementation of IComparable: public int CompareTo(Object value) { if (value == null) { return 1; } if (!(value is String)) { ...