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Use of Java's Collections.singletonList()?
...oWorld {
public static void main(String args[]) {
// create an array of string objs
String initList[] = { "One", "Two", "Four", "One",};
// create one list
List list = new ArrayList(Arrays.asList(initList));
System.out.println("List value before: "+list)...
Removing elements by class name?
...ays, it's because when you remove an element, it also shrinks the elements array.
– Jefferson Lima
Jul 27 '17 at 16:35
...
Express.js: how to get remote client address
... proxy" is true, parse the "X-Forwarded-For" ip address list and return an array, otherwise an empty array is
returned. For example if the value were "client, proxy1, proxy2" you
would receive the array ["client", "proxy1", "proxy2"] where "proxy2"
is the furthest down-stream.
It may be wort...
Why does C++ require a user-provided default constructor to default-construct a const object?
...er M of T has a default member initializer or, if M is of class type X (or array thereof), X
is const-default-constructible,
if T is a union with at least one non-static data member, exactly one variant member has a default member initializer,
if T is not a union, for each anonymous union memb...
“Templates can be used only with field access, property access, single-dimension array index, or sin
Why am I receiving the error:
4 Answers
4
...
AngularJS : How to watch service variables?
...ected. These two possibilities are:
aService.foo is getting set to a new array each time, causing the reference to it to be outdated.
aService.foo is being updated in such a way that a $digest cycle is not triggered on the update.
Problem 1: Outdated References
Considering the first possibil...
What are fixtures in programming?
...pty($this->stack));
}
public function testPush()
{
array_push($this->stack, 'foo');
$this->assertEquals('foo', $this->stack[count($this->stack)-1]);
$this->assertFalse(empty($this->stack));
}
public function testPop()
{
a...
Best way to get child nodes
...cross browser way to do is to use childNodes to get NodeList, then make an array of all nodes with nodeType ELEMENT_NODE.
/**
* Return direct children elements.
*
* @param {HTMLElement}
* @return {Array}
*/
function elementChildren (element) {
var childNodes = element.childNodes,
c...
Difference between size_t and unsigned int?
...chosen so that it could store the maximum size
of a theoretically possible array of any type. On a
32-bit system size_t will take 32 bits, on a 64-
bit one 64 bits. In other words, a variable of
size_t type can safely store a pointer. The
exception is pointers to class functions but this
is a specia...
Passing current scope to an AngularJS Service
...
For example, if the service is supposed to push and pop elements from an array errors, my code will be:
var errors = [];
$scope.errors = errors;
$scope.myService = new MyService(errors);
The service interacts then with the controller by operating on errors.
Of course I've got to be cautious abo...