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Classroom Help - Google Help
Official Google Classroom Help Center where you can find tips and tutorials on using Google Classroom and other answers to frequently asked questions.
syntax - What does Class<?> mean in Java? - Stack Overflow
Nov 13, 2018 · It means, the Class reference type can hold any Class object which represents any type. If JVM loads a type, a class object representing that type will be present in JVM. we can …
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 …
The difference between Classes, Objects, and Instances
Oct 8, 2015 · Class: is a “template” / “blueprint” that is used to create objects. Basically, a class will consists of field, static field, method, static method and constructor. Field is used to hold …
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> …
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 …
How to use a class from one C# project with another C# project?
Jan 6, 2017 · In project P1 make the class public (if it isn't already). Then add a project reference (rather than a file reference, a mistake I've come across occasionally) to P2. Add a using …
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 …
What does the ">" (greater-than sign) CSS selector mean?
Jul 12, 2010 · Matched by both div > p.some_class and div p.some_class This p.some_class is located directly inside the div, hence a parent-child relationship is established between both …
class - What is the difference between private and protected …
Dec 5, 2016 · Protected: Accessible by class member functions, friend function or friend class & derived classes. You can keep class member variable or function (even typedefs or inner …