XQuery's `fn:doc()` function can directly access XML documents from various sources, including files and URLs, without needing explicit file handling code.
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Solidity doesn't have a built-in string concatenation operator like the `+` in many other languages. You must use the `bytes` data type and its methods for string manipulation.
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LuaJIT is not a standard Lua interpreter; it's a Just-In-Time (JIT) compiler, meaning it can significantly speed up Lua code execution compared to traditional interpreters.
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Erlang was originally designed by Ericsson to handle the demands of telecommunications systems, specifically aiming for high availability and fault tolerance in a concurrent environment.
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