When you call the object.__repr__() method in Python you get something like this back: <__main__.Test object at 0x2aba1c0cf890> Is there any way to get a hold of the memory address if you overload __repr__(), other then calling super(Class, obj).__repr__() and regexing it out? 11 Answers 11
I understand PHP does not have a pure object variable, but I want to check whether a property is in the given object or class. $ob = (object) array(‘a’ => 1, ‘b’ => 12); or $ob = new stdClass; $ob->a = 1; $ob->b = 2; In JS, I can write this to check if variable … Read more
This question already has answers here: How do you do a deep copy of an object in .NET? [duplicate] (10 answers) Closed 2 years ago. Please have a look at the code below (excerpt from a C# book): public class MyClass { public int val; } public struct myStruct { public int val; } public … Read more
So, normally ArrayList.toArray() would return a type of Object[]….but supposed it’s an Arraylist of object Custom, how do I make toArray() to return a type of Custom[] rather than Object[]? 6 Answers 6
This question already has answers here: Self-references in object literals / initializers (27 answers) Closed 7 years ago. Lets say I have the following JavaScript: var obj = { key1 : “it “, key2 : key1 + ” works!” }; alert(obj.key2); This errors with “key1 is not defined”. I have tried this.key1 this[key1] obj.key1 obj[key1] … Read more
This question already has answers here: What is the most efficient way to deep clone an object in JavaScript? (67 answers) Closed 2 years ago. I have a big object with much data. And i want to clone this in other variable. When i set some param of the instance B has the same result … Read more
What is the difference between this constructor-based syntax for creating an object: person = new Object() …and this literal syntax: person = { property1 : “Hello” }; It appears that both do the same thing, although JSLint prefers you use object literal notation. Which one is better and why? 12 Answers 12
I have a Javascript object like: var my_object = { a:undefined, b:2, c:4, d:undefined }; How to remove all the undefined properties? False attributes should stay. 27 Answers 27
The array looks like: [0] => stdClass Object ( [ID] => 420 [name] => Mary ) [1] => stdClass Object ( [ID] => 10957 [name] => Blah ) … And I have an integer variable called $v. How could I select an array entry that has an object where the ID property has the $v … Read more
I get some error that I can’t figure out. Any clue what is wrong with my sample code? class B: def meth(self, arg): print arg class C(B): def meth(self, arg): super(C, self).meth(arg) print C().meth(1) I got the sample test code from help of ‘super’ built-in method. Here is the error: Traceback (most recent call last): … Read more
