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css - What is the difference between the selectors ".class.class" …
Jun 30, 2013 · .class.class can also be used to avoid the use of !important in case that a higher specificity selector prevents your rule from being applied. In this case there are not two …
Angular: conditional class with *ngClass - Stack Overflow
Feb 8, 2016 · From the angular documentation: "The asterisk is "syntactic sugar" for something a bit more complicated. Internally, Angular translates the *ngIf attribute into a <ng-template> …
class - Understanding Python super() with __init__() methods
Feb 23, 2009 · I'm trying to understand super(). The reason we use super is so that child classes that may be using cooperative multiple inheritance will call the correct next parent class …
How do I extend a class with c# extension methods?
public class Calculator { public double Add(double num1, double num2) { return num1 + num2; } } // Below is the extension class which have one extension method. public static class Extension …
In c# what does 'where T : class' mean? - Stack Overflow
Dec 7, 2012 · where T: class literally means that T has to be a class. It can be any reference type. Now whenever any code calls your DoThis<T>() method it must provide a class to replace T. …
c++ "Incomplete type not allowed" error accessing class reference ...
Had some issues in my code recently surrounding what I now know of as a Circular dependency. In short there are two classes, Player and Ball, which both need to use information from the …
java - How do I resolve ClassNotFoundException? - Stack Overflow
Sep 9, 2016 · Let us posit a serializable class and deserializable class under same projectname. You run the serializable class, creating a serializable object in specific folder. Now you need …
What is the difference between an interface and abstract class?
Dec 16, 2009 · A child class can only extend a single class (abstract or concrete), whereas an interface can extend or a class can implement multiple other interfaces. A child class can …
How to map config in IConfigurationSection to a simple class
Nov 28, 2018 · public class PreciseConfig { [Attribute("root:inner:someprop")] public string someprop { get; set; } public string other { get; set; } public string other2 { get; set; } } Where I …
What does "Could not find or load main class" mean?
Aug 7, 2013 · And indeed, the "..." in the message will be the fully qualified class name that java is looking for. So why might it be unable to find the class? Reason #1 - you made a mistake with …