What does the "h" in front of a string literal such as h'my string' mean?
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A. B. C. D.Correct Answer: C Option C is correct.
An obfuscated string literal can be formed by taking a "regular" string literal, and prepending an h or an H character in front of it.
Option A, B and D are incorrect as h is used for obfuscation purposes only.
Reference:
The "h" in front of a string literal such as hmy string is known as the "Raw String Identifier" and it is a feature in some programming languages like C++ and Python.
In Python, the raw string identifier "r" is used to indicate that a string should be treated as a raw string, meaning that escape sequences (such as \n for newline or \t for tab) are not interpreted.
However, in the case of hmy string in C++, the "h" is used to indicate that the string is a "user-defined string literal" which is a feature introduced in C++11. User-defined string literals are a way to create custom string literals with a specific meaning for a particular context.
In the case of the "h" prefix, it is used to indicate a "hexadecimal string literal". This means that the string contains a sequence of hexadecimal digits, which are numbers in base 16 (0-9 and A-F), that represent a binary data. This can be useful for defining binary data such as network packets or cryptographic keys in a more human-readable format.
Therefore, option D - "Nothing - this character is always ignored" is not correct, and option C - "The string is obfuscated" is also not correct in the context of the "h" prefix. Option B - "The string is a hyperlink" is also not correct. Option A - "The string is considered hot path data" is not relevant to the context of the "h" prefix either.