Java: how do I get a class literal from a generic type?
Typically, I’ve seen people use the class literal like this: Class<Foo> cls = Foo.class; But what if the type is generic, e.g. List? … Read more
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Check if a Class Object is subclass of another Class Object in Java
I’m playing around with Java’s reflection API and trying to handle some fields. Now I’m stuck with identifying the type of my fields. … Read more
How to create a custom string representation for a class object?
Consider this class: class foo(object): pass The default string representation looks something like this: >>> str(foo) “<class ‘__main__.foo’>” How can I make this … Read more
How do I get a PHP class constructor to call its parent’s parent’s constructor?
I need to have a class constructor in PHP call its parent’s parent’s (grandparent?) constructor without calling the parent constructor. // main class … Read more
Swift: Test class type in switch statement
In Swift you can check the class type of an object using ‘is’. How can I incorporate this into a ‘switch’ block? I … Read more
Why use ‘virtual’ for class properties in Entity Framework model definitions?
In the following blog: http://weblogs.asp.net/scottgu/archive/2010/07/16/code-first-development-with-entity-framework-4.aspx The blog contains the following code sample: public class Dinner { public int DinnerID { get; set; } … Read more
What is the difference between functions and classes to create reusable widgets?
I have realized that it is possible to create widgets using plain functions instead of subclassing StatelessWidget. An example would be this: Widget … Read more
‘POCO’ definition
Can someone define what exactly ‘POCO’ means? I am encountering the term more and more often, and I’m wondering if it is only … Read more
Java: Multiple class declarations in one file
In Java, you can define multiple top level classes in a single file, providing that at most one of these is public (see … Read more
difference between variables inside and outside of __init__()
Is there any difference at all between these classes besides the name? class WithClass (): def __init__(self): self.value = “Bob” def my_func(self): print(self.value) … Read more