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It is a commonly used naming convention in computing, for example for variable and subroutine names, and for filenames. One study has found that readers can recognize snake case values more quickly than camel case. However, "subjects were trained mainly in the underscore style", so the possibility of bias cannot be eliminated. [1]
In Python, if a name is intended to be "private", it is prefixed by one or two underscores. Private variables are enforced in Python only by convention. Names can also be suffixed with an underscore to prevent conflict with Python keywords. Prefixing with double underscores changes behaviour in classes with regard to name mangling.
Python's runtime does not restrict access to such attributes, the mangling only prevents name collisions if a derived class defines an attribute with the same name. On encountering name mangled attributes, Python transforms these names by prepending a single underscore and the name of the enclosing class, for example: >>>
The Word shortcut keys vary. But as a general rule, the “Control” key on a PC functions in the same way as the “Command” key on a Mac (when it comes to keyboard shortcuts).
In computing, a keyboard shortcut is a sequence or combination of keystrokes on a computer keyboard which invokes commands in software.. Most keyboard shortcuts require the user to press a single key or a sequence of keys one after the other.
Use the magic word DISPLAYTITLE to change the way the title header is displayed on the page (although the stored page name is not affected). This is often done through a template, the most common one being {{ lowercase }} , which causes the title to be displayed with an initial lowercase letter, as in iPod .
Unix or Linux scripts may start with a shebang ("#!", 23 21) followed by the path to an interpreter, if the interpreter is likely to be different from the one from which the script was invoked. ELF executables start with the byte 7F followed by "ELF" (7F 45 4C 46). PostScript files and programs start with "%!" (25 21).
Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})