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Foreign key from one app into another in Django
I'm wondering if it's possible to define a foreign key in a models.py file in Django that is a reference to a table in another app?
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dealloc in Swift
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deinit {
// perform the deinitialization
}
From the Swift Documentation:
A deinitializer is called immediately before a class instance is
deallocated. You write deinitializers with the deinit keyword, similar
to how...
Serialize Class containing Dictionary member
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Jan 30 '09 at ...
Check if property has attribute
Given a property in a class, with attributes - what is the fastest way to determine if it contains a given attribute? For example:
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Cast int to varchar
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edited Dec 21 '16 at 16:00
Mr. Polywhirl
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Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
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I haven't ever used Sidekiq, so it's possible that there are methods just for viewing the queued jobs, but they would really just be wrappers around Redis commands, since that's basically all Sidekiq (and Resque) is:
# See workers
Sidekiq::Client.registere...
What is the difference between & and && in Java?
...ught that && operator in Java is used for verifying whether both its boolean operands are true , and the & operator is used to do Bit-wise operations on two integer types.
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ExpressJS - throw er Unhandled error event
...e port like 8080.
Maybe you had run node app in other shell, Please close it and run again.
You can check PORT no. is available or not using
netstat -tulnp | grep <port no>
Alternatively, you can use lsof:
lsof -i :<port no>
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Using Font Awesome icon for bullet points, with a single list item element
We'd like to be able to use a Font Awesome ( http://fortawesome.github.com/Font-Awesome/ ) icon as a bullet point for unordered lists in a CMS.
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Django : How can I see a list of urlpatterns?
...the urls in your project, first you need to install django-extensions, add it to your settings like this:
INSTALLED_APPS = (
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'django_extensions',
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)
And then, run this command in your terminal
./manage.py show_urls
For more information you can check the documentation.
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