Cem Yusuf Aydogdu cemysf
linar-jether
/ dynamic_tasks.py
Last active
March 16, 2022 19:16
Dynamic celery tasks - remote execution of arbitrary callables and DAGs, using dill to serialize and send executable code to worker. This also shows a way to map an iterable returned from one task to a group of tasks (distributed map), with an optional reducer (chord) to be executed when the group tasks complete
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| # Task primitives, allows pipeline execution using celery | |
| @app.task | |
| def dmap(it, callback, final=None): | |
| # Map a callback over an iterator and return as a group | |
| callback = subtask(callback) | |
| # Hack for mapping a chain to values, due to a bug where args are not copied in group creation | |
| if isinstance(callback, chain): | |
| if final: | |
| raise ValueError('task_processor: Cannot run reducer for dmap excecuted with a chain.') |
jayrambhia
/ capturev4l2.c
Created
June 26, 2013 10:39
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| #include <errno.h> | |
| #include <fcntl.h> | |
| #include <linux/videodev2.h> | |
| #include <stdint.h> | |
| #include <stdio.h> | |
| #include <string.h> | |
| #include <sys/ioctl.h> | |
| #include <sys/mman.h> | |
| #include <unistd.h> | |
| #include <opencv2/core/core.hpp> |
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| % FontAwesome (http://fortawesome.github.com/Font-Awesome/) bindings for (Xe)LaTeX | |
| % Author: Honza Ustohal <[email protected]> | |
| % | |
| % Translation of FontAwesome's private range characters into XeTeX symbols. All icons are camel-cased and prefixed with 'fa', i.e. what was .icon-align-center the CSS version of FontAwesome becomes \faAlignCenter | |
| % This might be reworked into a full blown package in the near future | |
| % | |
| % Prerequisite: | |
| % XeLaTeX, FontAwesome installed as a system font accessible by XeLaTeX | |
| % | |
| % Usage: |