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The rdiff-backup script maintains a backup mirror of a file or directory either locally or remotely over the network on another server. rdiff-backup stores incremental rdiff deltas with the backup, with which it is possible to recreate any backup point. [33] The librsync library used by rdiff is an independent implementation of the rsync algorithm.
Beginning with version 2.2, the flags passed to rdiff-backup are either general, or specific to the operation. For example, disabling fsync (see below) is an option that is general, and thus comes after rdiff-backup. --no-compression is specific to the backup mode, and thus comes after backup.
Ignition uses an implementation of Python version 2.5 called Jython. Python script is used for component Event Handling. An example of this would be opening a popup window when a user clicks on a graphic object. Another common use are event scripts such as a timer that checks for alarms or a logon script.
As another example, the software which Wikipedia and other Wikimedia Foundation projects use for their underlying infrastructure is a customized LAMP stack with additions such as Linux Virtual Server (LVS) for load balancing and Ceph and Swift for distributed object storages. [citation needed]
PostScript is an example of a postfix stack-based language. An expression example in this language is 2 3 mul ('mul' being the command for the multiplication operation). Calculating the expression involves understanding how stack orientation works. Stack orientation can be presented as the following conveyor belt analogy.
Python No No Yes Yes ? May 5, 2010: FreeFileSync: GPLv3 C++ Yes Yes Yes Yes Yes January 7, 2024: git-annex: GPL3+ Haskell: No Yes Yes Partial Yes Feb 19, 2019: luckyBackup: GPLv3 C++ No No Yes Yes Yes Nov 18, 2018: Proxmox Backup Server: AGPLv3.0 Rust No No Yes Yes Yes March 29, 2023 [3] Restic: BSD 2-Clause License Go Yes Yes Yes No Yes Nov 8 ...
Canaries or canary words or stack cookies are known values that are placed between a buffer and control data on the stack to monitor buffer overflows. When the buffer overflows, the first data to be corrupted will usually be the canary, and a failed verification of the canary data will therefore alert of an overflow, which can then be handled, for example, by invalidating the corrupted data.
This type of stack is also known as an execution stack, program stack, control stack, run-time stack, or machine stack, and is often shortened to simply the "stack". Although maintenance of the call stack is important for the proper functioning of most software , the details are normally hidden and automatic in high-level programming languages .