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    What are the differences between pass-by-value and pass-by-reference in function arguments?

    Asked on Sunday, Jan 18, 2026

    In programming, pass-by-value and pass-by-reference are two different methods of passing arguments to functions. Pass-by-value means that a copy of the actual parameter's value is made in memory, and …

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    How do Rust's ownership rules help prevent memory leaks?

    Asked on Saturday, Jan 17, 2026

    Rust's ownership rules are a core feature designed to ensure memory safety and prevent memory leaks by enforcing strict compile-time checks. These rules revolve around the concepts of ownership, borro…

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    How does Rust's ownership model prevent data races in concurrent code?

    Asked on Friday, Jan 16, 2026

    Rust's ownership model, combined with its borrow checker, ensures memory safety and prevents data races by enforcing strict rules about how data is accessed and modified. In concurrent code, Rust's mo…

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    How do Swift's optionals compare to Kotlin's null safety features?

    Asked on Thursday, Jan 15, 2026

    Swift's optionals and Kotlin's null safety features both aim to handle the absence of a value safely, but they do so using different approaches. Swift uses optionals to explicitly represent a value th…

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