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How does collections.defaultdict work?
..._missing__(key) method. See: https://docs.python.org/2/library/collections.html#defaultdict-objects .
More concretely, this answer shows how to make use of __missing__(key) in a practical way:
https://stackoverflow.com/a/17956989/1593924
To clarify what 'callable' means, here's an interactive sess...
Rails: Default sort order for a rails model?
...tp://api.rubyonrails.org/classes/ActiveRecord/Scoping/Default/ClassMethods.html
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What data is stored in Ephemeral Storage of Amazon EC2 instance?
...here: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/RootDeviceStorage.html
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Best way to implement request throttling in ASP.NET MVC?
... // see 409 - http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
c.HttpContext.Response.StatusCode = (int)HttpStatusCode.Conflict;
}
}
}
Sample usage:
[Throttle(Name="TestThrottle", Message = "You must wait {n} seconds before accessing this url again.", Seco...
what does the __file__ variable mean/do?
...n and serve a special purpose.
http://docs.python.org/reference/datamodel.html shows many of the special methods and attributes, if not all of them.
In this case __file__ is an attribute of a module (a module object). In Python a .py file is a module. So import amodule will have an attribute of ...
What is the difference between Amazon SNS and Amazon SQS?
...tly available.
http://docs.aws.amazon.com/sns/latest/dg/SendMessageToSQS.html
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When to use a key/value store such as Redis instead/along side of a SQL database?
...e:
http://antirez.com/post/take-advantage-of-redis-adding-it-to-your-stack.html
I bet you'll have an aha! moment. ;)
A quote from a previous reader:
I've read about Redis before and heard how companies are using it, but never completely understood it's purpose. After reading this I can actuall...
Wrapping a C library in Python: C, Cython or ctypes?
...ite, there are some limitations: docs.cython.org/src/userguide/limitations.html Likely not a problem for most use cases, but just wanted to be complete.
– Randy Syring
Apr 8 '11 at 20:36
...
How to post pictures to instagram using API
...ps://www.inteligentcomp.com/2018/11/how-to-upload-to-instagram-from-pc-mac.html about it.
Working Screenshot
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Creating an Android trial application that expires after a fixed time period
...per.android.com/reference/android/app/backup/SharedPreferencesBackupHelper.html
Here's the example:
Android SharedPreferences Backup Not Working
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