Recherche avancée

Sur d’autres sites (7861)

• How Many Default Languages ?

  26 janvier 2012, par Multimedia Mike — Programming

  I was thinking back to my childhood, when my family first owned a computer. It was an MS-DOS-powered IBM PC. The default OS came with 2 programming environments, such as they were : GW-BASIC and batch files. It was a start, I suppose. I guess most any microcomputer you can name from that era came with some kind of BASIC interpreter. That defined the computer’s “out of the box” programmability.

  Then I started wondering how this compares to computers (operating systems/distributions, really) these days. So I installed a fresh version of the latest Ubuntu Linux version (11.10 as of this writing ; x86_32) and looked for programmability (without installing anything else). This is what I came up with :

  1. gcc/C (only the C compiler ; other components of the GNU compiler collection are installed separately)
  2. Perl
  3. Python
  4. C#, as furnished by Mono
  5. Bash — can’t forget about the shell as a full-featured programming language (sh is also present, but not t/csh)
  6. JavaScript — since Firefox is installed per default, JS counts
  7. GNU Assember — thanks to Reimar for the reminder that if gcc is present, gas necessarily needs to be there as well

  I checked on C++, Objective C, Java, Ada, Fortran, Go, Lua, Ruby, Tcl, PHP, R and other languages I could think of, but the above items were the only ones present by default. At the same time, I checked my Mac OS X (10.6) box and it also has Ruby and PHP installed. It has a bunch of other languages, courtesy of Xcode, so I can’t certify anything about its out of the box programmability.

  Still, I think “embarrassment of riches” pretty well sums it up. I try not to be crotchety old fogey complaining that kids these days don’t know how good they have it ; rather, I’m genuinely excited for anyone who wants to leap into computer programming in this day and age.

• How to transcode .mp4 files using ffmpeg celery rabbitMq in Amazon Linux ?

  11 mars 2017, par Srinivas 25

  I want to transcode .mp4, .flv files by using ffmpeg, celery and rabbitMQ. With the help of these tools i can able to transcode in localhost, where in
  my OS is ubuntu, but i am unable to do the same on AWS Linux for production
  Here is the code i am using to integrate ffmpeg, rabbitMQ and celery to transcode on Amazon Linux

  FFMPEG_PATH = '/usr/bin/ffmpeg'
  
  
  
  
  
  CELERY_BROKER_URL = 'amqp://guest:guest@awsuser:5672//'
  
  CELERY_ACCEPT_CONTENT = 'file'
  
  CELERY_RESULT_BACKEND = 'rpc://'
  
  CELERY_TASK_SERIALIZER = 'file'

  celery.py

  from __future__ import absolute_import
  
  import os
  
  from celery import Celery
  
  from afnity.settings import CELERY_BROKER_URL
  
  
  
  os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'afnity.settings')
  
  
  
  
  
  app = Celery('taskapp',
  
           broker=CELERY_BROKER_URL,
  
           include=['taskapp.tasks'])
  
  
  
  app.config_from_object('django.conf:settings', namespace='CELERY')
  
  
  
  
  
  if __name__ == '__main__':
  
  app.start()

  tasks.py

  from .celery import app
  
  
  
  @app.task
  
  def add()
  
   return(3+4d)

• Revision 68004 : Rangement : spipr (pour spip reboot) est une famille de squelettes qui ...

  29 novembre 2012, par cedric@… — Log

  Rangement :
  spipr (pour spip reboot) est une famille de squelettes qui repose sur Z+BootStrap ?(+less)+html5
  3 variantes de squelettes :
  spipr-dist : un squelette generique par defaut
  spipr-blog : un squelette de blog
  spipr-doc : un squelette de doc (pour un minisite de doc de quelques pages comme celui de bootstrap par exemple)
  + un 4e squelette complet multifonction configurable qui est la version 4.0 de SarkaSpip ?
  Des themes de base dans spipr/v1 (on versionne preventivement), adaptes de bootswatch
  Tout ca est encore en DEVELOPPEMENT, des choses sont suceptibles de bouger avec casse de la compatibilite
  (notamment revision de la typo car SPIP a mieux a proposer que BootStrap ?, et squelettes/conventions des listes d’objet)
  Documentation a venir. Merci de ne pas utiliser en production pour le moment.