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  2. errno.h - Wikipedia

    en.wikipedia.org/wiki/Errno.h

    EDOM: A parameter was outside a function's domain, e.g. sqrt (-1) ERANGE: A result outside a function's range, e.g. strtol ("0xfffffffff", NULL, 0) on systems with a 32-bit wide long

  3. scanf - Wikipedia

    en.wikipedia.org/wiki/Scanf

    The formatting placeholders in scanf are more or less the same as that in printf, its reverse function.As in printf, the POSIX extension n$ is defined. [2]There are rarely constants (i.e., characters that are not formatting placeholders) in a format string, mainly because a program is usually not designed to read known data, although scanf does accept these if explicitly specified.

  4. Standard streams - Wikipedia

    en.wikipedia.org/wiki/Standard_streams

    On POSIX systems, the file descriptor for standard input is 0 (zero); the POSIX <unistd.h> definition is STDIN_FILENO; the corresponding C <stdio.h> abstraction is provided via the FILE* stdin global variable. Similarly, the global C++ std::cin variable of type <iostream> provides an abstraction via C++ streams.

  5. Python syntax and semantics - Wikipedia

    en.wikipedia.org/wiki/Python_syntax_and_semantics

    Python supports a wide variety of string operations. Strings in Python are immutable, so a string operation such as a substitution of characters, that in other programming languages might alter the string in place, returns a new string in Python. Performance considerations sometimes push for using special techniques in programs that modify ...

  6. Magic string - Wikipedia

    en.wikipedia.org/wiki/Magic_string

    Restricting the format of the input is a possible maintenance (bug fixing) solution. [clarification needed] Essentially, this means validating input information to check that it is in the correct format, in order to reduce the possibility of the magic string being discovered by the user.

  7. String (computer science) - Wikipedia

    en.wikipedia.org/wiki/String_(computer_science)

    A program may also accept string input from its user. Further, strings may store data expressed as characters yet not intended for human reading. Example strings and their purposes: A message like "file upload complete" is a string that software shows to end users. In the program's source code, this message would likely appear as a string ...

  8. 5 Little Luxuries To Buy That’ll Help You With Your 2025 ...

    www.aol.com/5-little-luxuries-buy-ll-220016048.html

    Read More: 6 Holiday Finds Worth Buying at Aldi. For You: 3 Things You Must Do When Your Savings Reach $50,000. But staying on top of your fitness routine can be tough.

  9. String literal - Wikipedia

    en.wikipedia.org/wiki/String_literal

    For example, in Python, raw strings are preceded by an r or R – compare 'C:\\Windows' with r'C:\Windows' (though, a Python raw string cannot end in an odd number of backslashes). Python 2 also distinguishes two types of strings: 8-bit ASCII ("bytes") strings (the default), explicitly indicated with a b or B prefix, and Unicode strings ...