How to remove(unregister) registered instance from Unity mapping?

I had the same problem and just removed the registrations of the ContainerControlledLifetimeManager from my Container: foreach (var registration in container.Registrations .Where(p => p.RegisteredType == typeof(object) && p.Name == name && p.LifetimeManager.Type == typeof(ContainerControlledLifetimeManager))) { registration.LifetimeManager.RemoveValue(); }

Using onCreate vs. onRestoreInstanceState

onRestoreInstanceState This method is called after onStart() when the activity is being re-initialized from a previously saved state, given here in savedInstanceState. Most implementations will simply use onCreate(Bundle) to restore their state, but it is sometimes convenient to do it here after all of the initialization has been done or to allow subclasses to decide … Read more

How can I call a static method on a variable class?

Calling static functions on a variable class name is apparently available in PHP 5.3: Foo::aStaticMethod(); $classname=”Foo”; $classname::aStaticMethod(); // As of PHP 5.3.0 http://php.net/manual/en/language.oop5.static.php Could definitely use that right now myself. Until then you can’t really assume that every class you are loading is designed to be a singleton. So long as you are using < … Read more

Java: newInstance of class that has no default constructor

Call Class.getConstructor() and then Constructor.newInstance() passing in the appropriate arguments. Sample code: import java.lang.reflect.*; public class Test { public Test(int x) { System.out.println(“Constuctor called! x = ” + x); } // Don’t just declare “throws Exception” in real code! public static void main(String[] args) throws Exception { Class<Test> clazz = Test.class; Constructor<Test> ctor = clazz.getConstructor(int.class); … Read more

How to create a list of objects?

Storing a list of object instances is very simple class MyClass(object): def __init__(self, number): self.number = number my_objects = [] for i in range(100): my_objects.append(MyClass(i)) # Print the number attribute of each instance for obj in my_objects: print(obj.number)

Method arguments in Python [duplicate]

In Python: Instance methods: require the self argument. Class methods: take the class as a first argument. Static methods: do not require either the instance (self) or the class (cls) argument. __init__ is a special function and without overriding __new__ it will always be given the instance of the class as its first argument. An … Read more

Why do two programs have forward referencing errors while the third does not?

This is covered by section 8.3.3 of the JLS: Use of class variables whose declarations appear textually after the use is sometimes restricted, even though these class variables are in scope (§6.3). Specifically, it is a compile-time error if all of the following are true: The declaration of a class variable in a class or … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)