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Correct way to use get_or_create?

I'm trying to use get_or_create for some fields in my forms, but I'm getting a 500 error when I try to do so. 5 Answers ...
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Ansible: Set variable to file content

I'm using the ec2 module with ansible-playbook I want to set a variable to the contents of a file. Here's how I'm currently doing it. ...
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How to test if one java class extends another at runtime?

How to I test if a is a subclass of b ? 3 Answers 3 ...
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What is the format specifier for unsigned short int?

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What is the difference between Server.MapPath and HostingEnvironment.MapPath?

Is there any difference between Server.MapPath() and HostingEnvironment.MapPath() ? Does Server.MapPath() have any advantages over HostingEnvironment.MapPath() ? ...
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Sleep Command in T-SQL?

Is there to way write a T-SQL command to just make it sleep for a period of time? I am writing a web service asynchronously and I want to be able to run some tests to see if the asynchronous pattern is really going to make it more scalable. In order to "mock" an external service that is slow, I wa...
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Linux bash: Multiple variable assignment

Does exist in linux bash something similar to the following code in PHP: 5 Answers 5 ...
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iOS - How to set a UISwitch programmatically

I want to set my UISwitch to on or off programmatically. How would I do that? I am an iOS newbie. 5 Answers ...
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Scatter plot and Color mapping in Python

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Convert light frequency to RGB?

Does anyone know of any formula for converting a light frequency to an RGB value? 9 Answers ...