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Pip's command-line interface allows the install of Python software packages by issuing a command: pip install some-package-name. Users can also remove the package by issuing a command: pip uninstall some-package-name. pip has a feature to manage full lists of packages and corresponding version numbers, possible through a "requirements" file. [14]
On MS-DOS, the command is available in versions 6 and later. [7] In Windows PowerShell, move is a predefined command alias for the Move-Item Cmdlet which basically serves the same purpose. The FreeDOS version was developed by Joe Cosentino. [8] DR DOS 6.0 includes an implementation of the move command. [9] The open-source MS-DOS emulator DOSBox ...
The following command creates a symbolic link at the command-line interface (shell): ln -s target_path link_path target_path is the relative or absolute path to which the symbolic link should point. Usually the target will exist, although symbolic links may be created to non-existent targets. link_path is the path of the symbolic link.
An object's virtual method table will contain the addresses of the object's dynamically bound methods. Method calls are performed by fetching the method's address from the object's virtual method table. The virtual method table is the same for all objects belonging to the same class, and is therefore typically shared between them.
This is done so that it can modify the data (e.g., X=X+4) during a "write" operation rather than merely overwrite it. When the schedule is represented as a list rather than a grid, the action is represented as R i ( X ) {\displaystyle Ri(X)} where i {\displaystyle i} is a number corresponding to a specific transaction.
Digit group separators can occur either as part of the data or as a mask through which the data is displayed. This is an example of the separation of presentation and content, making it possible to display numbers with spaced digit grouping in a way that does not insert any whitespace characters into the string of digits in the content.
The cd command can be used to change into a subdirectory, move back into the parent directory, move all the way back to the root directory or move to any given directory. Consider the following subsection of a Unix filesystem, which shows a user's home directory (represented as ~ ) with a file, text.txt , and three subdirectories.
Data transfer: analog or digital telephone network, LAN, or Internet; Computer: a data processing unit that ties together the other components, does the compressing and decompressing, and initiates and maintains the data linkage via the network. There are basically three kinds of videoconferencing and videophone systems: