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Is Integer Immutable

I know this is probably very stupid, but a lot of places claim that the Integer class in Java is immutable, yet the following code: ...
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How to get the difference between two arrays of objects in JavaScript

I have two result sets like this: 16 Answers 16 ...
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When is a language considered a scripting language? [closed]

What makes a language a scripting language? I've heard some people say "when it gets interpreted instead of compiled". That would make PHP (for example) a scripting language. Is that the only criterion? Or are there other criteria? ...
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A monad is just a monoid in the category of endofunctors, what's the problem?

Who first said the following? 5 Answers 5 ...
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Copy a variable's value into another

I have a variable which has a JSON object as its value. I directly assign this variable to some other variable so that they share the same value. This is how it works: ...
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What is the difference between graph search and tree search?

What is the difference between graph search and tree search versions regarding DFS, A* searches in artificial intelligence ? ...
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Resolve build errors due to circular dependency amongst classes

I often find myself in a situation where I am facing multiple compilation/linker errors in a C++ project due to some bad design decisions (made by someone else :) ) which lead to circular dependencies between C++ classes in different header files (can happen also in the same file) . But fortunately...
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How to make a chain of function decorators?

How can I make two decorators in Python that would do the following? 17 Answers 17 ...
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What are the differences between Rust's `String` and `str`?

Why does Rust have String and str ? What are the differences between String and str ? When does one use String instead of str and vice versa? Is one of them getting deprecated? ...
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What is the difference between a schema and a table and a database?

This is probably a n00blike (or worse) question. But I've always viewed a schema as a table definition in a database. This is wrong or not entirely correct. I don't remember much from my database courses. ...