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DAGs can be run either on a defined schedule (e.g. hourly or daily) or based on external event triggers (e.g. a file appearing in Hive [5]). Previous DAG-based schedulers like Oozie and Azkaban tended to rely on multiple configuration files and file system trees to create a DAG, whereas in Airflow, DAGs can often be written in one Python file. [6]
Ninja is a build system developed by Evan Martin, [4] a Google employee. Ninja has a focus on speed and it differs from other build systems in two major respects: it is designed to have its input files generated by a higher-level build system, and it is designed to run builds as fast as possible.
The most basic data structures of the implementation are given in either kjbuckets0.py or the faster kjbucketsmodule.c, which implement the same data type signatures in Python and in a C extension to Python respectively. The database.py module is a simple wrapper that provides a standard DBAPI interface to the system.
Friend OS is a multi-user meta operating system. Based on the Friend Core kernel, it is designed to be a complete operating system which will evolve and adapt with information and communication technologies. [7] It employs a Blockchain based database structure for security, and is developed with decentralised flows of information in mind.
Trac is an open-source, web-based project management and bug tracking system. It has been adopted by a variety of organizations for use as a bug tracking system for both free and open-source software and proprietary projects and products. [4] Trac integrates with major version control systems including ("out of the box") Subversion and Git.
Conda is an open source, [16] cross-platform, [17] language-agnostic [18] package manager and environment management system [19] [20] [50] that installs, runs, and updates packages and their dependencies. [16] It was created for Python programs, but it can package and distribute software for any language (e.g., R), including multi-language ...
The program is also used to mount the new file system. At the time the file system is mounted, the handler is registered with the kernel. If a user now issues read/write/stat requests for this newly mounted file system, the kernel forwards these IO-requests to the handler and then sends the handler's response back to the user. Unmounting a FUSE ...
In 2010, the Project Phoenix began; an effort to clean up the wxPython implementation and in the process make it compatible with Python 3. [4] The project is a new implementation of wxPython, focused on improving speed, maintainability and extensibility.