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Why are private fields private to the type, not the instance?

In C# (and many other languages) it's perfectly legitimate to access private fields of other instances of the same type. For example: ...
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Java generics type erasure: when and what happens?

I read about Java's type erasure on Oracle's website . 7 Answers 7 ...
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Difference between Lookup() and Dictionary(Of list())

I'm trying to wrap my head around which data structures are the most efficient and when / where to use which ones. 6 Answer...
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How to tell which version of a gem a rails app is using

I'm investigating a rails app - the prod server has two version of a specific gem installed, how can I tell which version the prod app is using? ...
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What's the difference between equal?, eql?, ===, and ==?

I am trying to understand the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object. ...
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How to count the number of set bits in a 32-bit integer?

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How do I tell if a regular file does not exist in Bash?

I've used the following script to see if a file exists: 20 Answers 20 ...
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Best way to structure a tkinter application? [closed]

The following is the overall structure of my typical python tkinter program. 7 Answers ...
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Why does Git treat this text file as a binary file?

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How do I set default values for functions parameters in Matlab?

Is it possible to have default arguments in Matlab? For instance, here: 16 Answers 16...