88 questions
When the image is scrolled. After id=mainoffset planted .aa::before { content:' '; display: block; background-color:#000; background-image:url('../img/main/01.jpg'); background-position: center; heig...
Can you examine the class of instances that a variable has in Java? I would like to read the fields one by one and check the type.
template class Sample { private: struct NODE { DATA s_data; BYTE s_checksum; NODE() { s_checksum = CHECK_SUM; } };}The class template is defined as above, and I want to use another class in t...
It's exactly what the title is.class MyCounter: def __init__(self, value=0): self.counter = value pass def number_of_counters(): return ~~~~c1 = MyCounter()print(MyCounter.number_of_counters())c2 =...
What is the difference between an interface and an abstract class?
Why do you inherit an object by writing (object) after its name when declaring a class?Is there a difference that some codes use that and others don't?class MyClass(object): # Class code
this.Error:cannot find symbol occurs on the line with the variable name. It's my first time using Java, so I don't understand it well, but isn't this able to access variables in objects like Python's ...
As the title says, I want to know how to use id, name, and class properties accurately.If you look at Mr. Yamoo's lecture, you often use the above attribute. Do I have to use the properties of the sto...
Can abstract classes also have constructors? If you can, how do you use it and why?
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