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How to watch for array changes?
...seEvent(event) {
_handlers[event.type].forEach(function(h) {
h.call(_self, event);
});
}
Object.defineProperty(_self, "addEventListener", {
configurable: false,
enumerable: false,
writable: false,
value: function(eventName, handler) {
eventName = (...
How do I get the first element from an IEnumerable in .net?
...alue' for value types.
If you can't use LINQ, then your approach is technically correct and no different than creating an enumerator using the GetEnumerator and MoveNext methods to retrieve the first result (this example assumes enumerable is an IEnumerable<Elem>):
Elem e = myDefault;
using ...
Exit codes in Python
...
What you're looking for in the script is calls to sys.exit(). The argument to that method is returned to the environment as the exit code.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code.
...
CSS /JS to prevent dragging of ghost image?
...uery method: $('#myImage').attr('draggable', false);
document.getElementById('myImage').setAttribute('draggable', false);
<img id="myImage" src="http://placehold.it/150x150">
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i...
If a folder does not exist, create it
...xample "FILENAME" on a directory but don't give it any extension. Then try calling Directory.Exists("FILENAME") will return false, as it should because there is no such directory. Now if you call CreateDirectory("FILENAME") it will fail miserably as it should because there is already "something" wit...
Creating an empty file in C#
... You could use braces instead:
using (File.Create(filename)) {}
Or just call Dispose directly:
File.Create(filename).Dispose();
Either way, if you're going to use this in more than one place you should probably consider wrapping it in a helper method, e.g.
public static void CreateEmptyFile(s...
Static Classes In Java
...tatic - Since the class cannot be instantiated no instance methods can be called or instance fields accessed
Note that the compiler will not prevent you from declaring an instance (non-static) member. The issue will only show up if you attempt to call the instance member
Simple example per sugges...
How does Google Instant work?
...exactly how the new google instant search works? It seems to just be AJAX calls to the old search, but it's pretty hard to simplify Google that much. Anybody have speculations?
...
jQuery Validate - Enable validation for hidden fields
... fully self-contained, properly sourced, gives code examples, and is technically correct as per the plugin's author.
– Sparky
Mar 17 '13 at 0:41
...
What are the main purposes of using std::forward and which problems it solves?
...e references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
...