reference Archives - Page 4 of 4

Is there a difference between “==” and “is”?

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 29, 2022
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The located assembly’s manifest definition does not match the assembly reference

I am trying to run some unit tests in a C# Windows Forms application (Visual Studio 2005), and I get the following error: ...

April 20, 2022
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What’s the difference between SoftReference and WeakReference in Java?

What’s the difference between java.lang.ref.WeakReference and java.lang.ref.SoftReference ? 12 s 12 From Understanding Weak References, by Ethan Nicholas: Weak references A weak reference, ...

April 19, 2022
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What’s the difference between the ‘ref’ and ‘out’ keywords?

I’m creating a function where I need to pass an object so that it can be modified by the function. What is the ...

April 16, 2022
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How to copy a dictionary and only edit the copy

I set dict2 = dict1. When I edit dict2, the original dict1 also changes. Why? >>> dict1 = {"key1": "value1", "key2": "value2"} >>> ...

April 14, 2022
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What are the differences between a pointer variable and a reference variable in C++?

I know references are syntactic sugar, so code is easier to read and write. But what is the difference between a pointer variable ...

April 9, 2022
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In laymans terms, what does ‘static’ mean in Java? [duplicate]

static means that the variable or method marked as such is available at the class level. In other words, you don’t need to ...

April 8, 2022
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How do I pass a variable by reference?

Are parameters are passed by reference or value? How do I pass by reference so that the code below outputs 'Changed' instead of ...

April 6, 2022
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