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Javascript objects: get parent [duplicate]
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No. There is no way of knowing which object it came from.
s and obj.subObj both simply have references to the same object.
You could also do:
var obj = { subObj: {foo: 'hello world'} };
var obj2 = {};
obj2.subObj = obj.subObj;
var s = obj.subObj;
You now have three references, obj...
Load multiple packages at once
...w can I load a bunch of packages at once with out retyping the require command over and over? I've tried three approaches all of which crash and burn.
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What does void mean in C, C++, and C#?
Looking to get the fundamentals on where the term " void " comes from, and why it is called void. The intention of the question is to assist someone who has no C experience, and is suddenly looking at a C-based codebase.
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Utilizing multi core for tar+gzip/bzip compression/decompression
I normally compress using tar zcvf and decompress using tar zxvf (using gzip due to habit).
6 Answers
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Can a C# class inherit attributes from its interface?
...an existing type (to avoid duplication), but it is only valid for property and indexer usage.
As an example:
using System;
using System.ComponentModel;
class Foo {
[AttributeProvider(typeof(IListSource))]
public object Bar { get; set; }
static void Main() {
var bar = TypeDescr...
Custom CSS Scrollbar for Firefox
...verflow.com/a/54101063/405015
https://stackoverflow.com/a/53739309/405015
And this for background info: https://bugzilla.mozilla.org/show_bug.cgi?id=1460109
There's no Firefox equivalent to ::-webkit-scrollbar and friends.
You'll have to stick with JavaScript.
Plenty of people would like this feat...
Why doesn't Java offer operator overloading?
...s the compiler to create three (3) objects on the stack, perform addition, and copy the resultant value from the temporary object into the existing object a.
However, in Java, operator= doesn't perform value copy for reference types, and users can only create new reference types, not value types. S...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...consider using the before_validation callback.
– tokland
Jul 15 '10 at 10:13
44
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Reason to Pass a Pointer by Reference in C++?
...hat the user of that class could get a pointer to the internal data buffer and read/write to it, but it cannot – for example – free that buffer using delete or rebind that pointer to some other place in memory? Or did I get it wrong?
– BarbaraKwarc
Aug 4 '1...
Delegates: Predicate vs. Action vs. Func
... a complex structure to one property.
Other important delegates:
EventHandler/EventHandler<T>: Used all over WinForms
Comparison<T>: Like IComparer<T> but in delegate form.
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