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Retrieve list of tasks in a queue in Celery
...look here:
Celery Guide - Inspecting Workers
Basically this:
from celery.app.control import Inspect
# Inspect all nodes.
i = Inspect()
# Show the items that have an ETA or are scheduled for later processing
i.scheduled()
# Show tasks that are currently active.
i.active()
# Show tasks that have...
Where to define custom error types in Ruby and/or Rails?
...e for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically:
5 Answers
...
What is the difference between old style and new style classes in Python?
...ike the ability to
subclass most built-in types, or the introduction of "descriptors",
which enable computed properties.
For compatibility reasons, classes are still old-style by default.
New-style classes are created by specifying another new-style class
(i.e. a type) as a parent c...
Argparse: Required argument 'y' if 'x' is present
...x is present.
# just add --prox arg now
non_int = argparse.ArgumentParser(description="stackoverflow question",
usage="%(prog)s [-h] [--prox --lport port --rport port]")
non_int.add_argument('--prox', action='store_true',
help='Flag to turn o...
Are Javascript arrays sparse?
...ent and hope you'll actually get one.
See this answer for a more detailed description by olliej.
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Git On Custom SSH Port
...
I'll admit that the syntax you given is more descriptive but having to remember to add in the custom port number is annoying. Configuring that port number and then not having to remember that is a bit easier but to each their own (that's why it can be done both ways) :...
Maximum number of threads in a .NET app?
What is the maximum number of threads you can create in a C# application? And what happens when you reach this limit? Is an exception of some kind thrown?
...
No output to console from a WPF application?
I'm using Console.WriteLine() from a very simple WPF test application, but when I execute the application from the command line, I'm seeing nothing being written to the console. Does anyone know what might be going on here?
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Running a specific test case in Django when your app has a tests directory
...he test test_a inside TestCase subclass A inside a file tests.py under the app/module example you would do:
python manage.py test example.tests.A.test_a
If you don't want to include a dependency and are in Django 1.6 or later that's how you do it.
See the Django documentation for more informatio...