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Representing null in JSON
...This is not the same as both "not undefined and not null", and if you were testing for one condition or the other, this might succeed whereas JSON1 would fail.
This is the definitive way to represent null per the JSON spec.
JSON3 {"myCount": 0}
In this case, myCount is 0. That's not the same as nul...
Why is super.super.method(); not allowed in Java?
...ds T1 { int x = 2; }
class T3 extends T2 {
int x = 3;
void test() {
System.out.println("x=\t\t" + x);
System.out.println("super.x=\t\t" + super.x);
System.out.println("((T2)this).x=\t" + ((T2)this).x);
System...
in_array multiple values
...bar');
// Evaluation Function - we pass guard and target array
$b=true;
$test = function($x) use (&$b, $b1) {
if (!in_array($x,$b1)) {
$b=false;
}
};
// Actual Test on array (can be repeated with others, but guard
// needs to be initialized again, due to by r...
When is a C++ destructor called?
Basic Question: when does a program call a class' destructor method in C++? I have been told that it is called whenever an object goes out of scope or is subjected to a delete
...
Bash/sh - difference between && and ;
...because a long time ago at the nearby computer:
root# pwd
/
root# cd /tnp/test; rm -rf *
cd: /tnp/test: No such file or directory
...
... and after a while ...
...
^C
but not helped... ;)
cd /tnp/test && rm -rf * is safe... ;)
...
jQuery Data vs Attr?
...lue for only the first element in the matched set.
Example:
<span id="test" title="foo" data-kind="primary">foo</span>
$("#test").attr("title");
$("#test").attr("data-kind");
$("#test").data("kind");
$("#test").data("value", "bar");
...
How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
...jehl, rebound by @wilto.MIT License.*/(function(m){if(!(/iPhone|iPad|iPod/.test(navigator.platform)&&navigator.userAgent.indexOf("AppleWebKit")>-1)){return}var l=m.document;if(!l.querySelector){return}var n=l.querySelector("meta[name=viewport]"),a=n&&n.getAttribute("content"),k=a+...
How to handle static content in Spring MVC?
...ping a webapp using Spring MVC 3 and have the DispatcherServlet catching all requests to '/' like so (web.xml):
23 Answer...
What is a software framework? [closed]
...ption-handling logic.
And your own security functions.
And your own unit test framework to make sure it all works fine.
And your own... [goes on for quite a long time]
Then again, if you do use a framework, you'll be able to benefit from the good, usually peer-reviewed and very well tested work ...
Calculating sum of repeated elements in AngularJS ng-repeat
...unction ($scope) {
$scope.items = [
{"id": 1,"details": "test11","quantity": 2,"price": 100},
{"id": 2,"details": "test12","quantity": 5,"price": 120},
{"id": 3,"details": "test3","quantity": 6,"price": 170},
{"id": 4,"details": "test4","quantity": ...