overriding Questions
5
Solved
I know the behavior, but I am not 100% sure on why this occurs.
I understand that there is no polymorphism for instance variables in java. The variables are resolved statically by the compiler.
But...
Blastoderm asked 20/8, 2012 at 21:52
2
Solved
I'm wondering if there is any good reason why this behaviour is possible in the current PHP 5.4 implementation:
trait T {
public function test(PDO $pdo) {}
}
class C {
use T;
public function t...
Satanism asked 17/7, 2012 at 11:21
13
Solved
I know that main() can be overloaded in a class with the compiler always taking the one with String[] args as arguments as the main method from where the execution starts. But is it possible to dec...
Penitentiary asked 14/3, 2012 at 9:36
15
Solved
I have created the following Enum:
from enum import Enum
class Action(str, Enum):
NEW_CUSTOMER = "new_customer"
LOGIN = "login"
BLOCK = "block"
I have inherited f...
Presa asked 10/8, 2020 at 7:21
7
Solved
I'm working on a web app that has a topBar similar to facebook's blue bar at the top. I have an unordered list within the div of that bar to list some items, like Inbox, Notifications, etc. The UL ...
Isola asked 2/2, 2011 at 11:25
4
I try to figure out what is the best practice in Python inheritance principles, when there is a 'bad idea' to change method signature in a child.
Let's suppose we have some base class BaseClient ...
Handfasting asked 5/8, 2017 at 14:44
2
Solved
Suppose i want to override a function inside the native code provided by Sencha in the file ext-all-debug.js.
The function is defined inside the Ext.util.Renderable-class and has the name cacheRef...
Dormeuse asked 3/11, 2014 at 11:2
1
I really like the local overrides feature in Chrome. While it is handy during development, I'd also like to use it while my devtools are closed. If this were possible, it could replace extensions t...
Hefty asked 25/7, 2018 at 15:41
9
Solved
I was wondering, when creating new Activity classes and then overriding the onCreate() method, in eclipse I always get auto added: super.onCreate(). How does this happen? Is there a java keyword in...
Monkeypot asked 18/11, 2010 at 16:18
6
Solved
I am using flutter PopUpMenuButton. All i want is when i select any item on the menu, the popup should not be dismissed, rather let me select multiple values from the popup.The documentation says t...
Mouthwatering asked 28/4, 2020 at 11:7
3
Solved
I know virtual inheritance is covered here before and before asking this question, I went through the detail of the virtual inheritance and went through the details of a similar problem like the fo...
Tillage asked 3/6, 2014 at 2:28
3
I am using NestJS with Swagger Module to produce the equivalent API Spec.
Is there a way to disable security for a specific controller method, while having marked the Controller class as requiring ...
Visa asked 29/4, 2021 at 9:39
9
Solved
I ran into an interesting (and very frustrating) issue with the equals() method today which caused what I thought to be a well tested class to crash and cause a bug that took me a very long time to...
Doriandoric asked 9/10, 2008 at 4:22
2
Solved
Let's say I want to create an abstract base class called Document. I want the type checker to guarantee that all its subclasses implement a class method called from_paragraphs, which constructs a d...
Plot asked 26/1 at 18:48
6
Lets say I have
class Super():
def method1():
pass
class Sub(Super):
def method1(param1, param2, param3):
stuff
Is this correct? Will calls to method1 always go to the sub class? My plan is...
Edla asked 17/5, 2011 at 17:23
16
Solved
Given the following class
public class Foo
{
public int FooId { get; set; }
public string FooName { get; set; }
public override bool Equals(object obj)
{
Foo fooItem = obj as Foo;
if (fooI...
Kosaka asked 16/12, 2008 at 13:41
3
Solved
I have MainComponent that uses ChildComponentA as a @ViewChild. MainComponent is calling a method on ChildComponentA.
I want to write an unit test case mocking ChildComponentA. How can I do this u...
Heal asked 1/9, 2016 at 22:33
6
Solved
I was reading 'Dive Into Python' and in the chapter on classes it gives this example:
class FileInfo(UserDict):
"store file metadata"
def __init__(self, filename=None):
UserDict.__init__(self)
...
Lp asked 15/4, 2009 at 20:45
2
To preface, this problem has been solved using a couple of different methods - I'll leave the stack overflow post that has the solution here text
The problem deals with detecting when the "del...
Seringa asked 14/7, 2023 at 5:27
8
Solved
in my MainActivity, which extends from AppCompatActivity, I want to override the onBackPressed method like so:
@Override
public void onBackPressed() {
Log.d("MainActivity","onBackPressed");
Toas...
Schwarz asked 16/9, 2016 at 13:22
3
Solved
Assuming I have method init() in some MyBaseClass.
Is there a way to quickly find overrides of this method in subclasses?
Sure, I can find throughout a project @Override void init, but maybe ther...
Brelje asked 29/6, 2017 at 9:7
12
Solved
How can I control the background image and colour of a body element within an iframe? Note, the embedded body element has a class, and the iframe is of a page that is part of my site.
The reason ...
Railroad asked 27/6, 2011 at 14:49
20
I'd like to know:
Why can't static methods be overridden in Java?
Can static methods be overloaded in Java?
Dyl asked 19/3, 2010 at 5:58
5
Solved
Consider the following classes :
public abstract class Animal
{
public abstract Animal GiveBirth();
}
public class Monkey : Animal
{
public override Animal GiveBirth()
{
return new Monkey();
...
Interdict asked 23/4, 2013 at 14:34
9
Solved
I have one abstract class -let's say myBase. And I want all the classes derived from myBase to have one static field called
public static List<string> MyPArameterNames
{
get {return _myPar...
Ierna asked 14/3, 2010 at 22:44
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