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How do you serialize a model instance in Django?

... You can easily use a list to wrap the required object and that's all what django serializers need to correctly serialize it, eg.: from django.core import serializers # assuming obj is a model instance serialized_obj = serializers.serialize('json', [ obj, ]) ...
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How many bits or bytes are there in a character? [closed]

... It depends what is the character and what encoding it is in: An ASCII character in 8-bit ASCII encoding is 8 bits (1 byte), though it can fit in 7 bits. An ISO-8895-1 character in ISO-8859-1 encoding is 8 bits (1 byte). A Unicode character in UTF-8 encodin...
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How to change the session timeout in PHP?

...minutes of inactivity. If relaxing this requirement a little is acceptable and you are fine with placing a lower bound instead of a strict limit to the duration, you can do so easily and without writing custom logic. Convenience in relaxed environments: how and why If your sessions are implemented w...
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Does python have an equivalent to Java Class.forName()?

I have the need to take a string argument and create an object of the class named in that string in Python. In Java, I would use Class.forName().newInstance() . Is there an equivalent in Python? ...
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What is the Python equivalent of Matlab's tic and toc functions?

What is the Python equivalent of Matlab's tic and toc functions ? 12 Answers 12 ...
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Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)

... easiest way to upgrade to it, short of installing a separate copy of juno and re-installing all my existing plugins from 3.7 into it? ...
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jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)

... Update There is a new and very simple solution for this: It allows you to use any kind of input filter on a text <input>, including various numeric filters. This will correctly handle Copy+Paste, Drag+Drop, keyboard shortcuts, contex...
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12

... Open a CMD prompt as administrator and execute the following command: net stop was /y Open the Run dialog box (press Win+R), then type: services.msc Then search for World Wide Web Publishing Service (WWW-Publishing Service) and Web Deployment Agent Service...
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EJB's - when to use Remote and/or local interfaces?

I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...
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How does this CSS produce a circle?

...f 180 pixels? Let's reformulate that into two questions: Where do width and height actually apply? Let's have a look at the areas of a typical box (source): The height and width apply only on content, if the correct box model is being used (no quirks mode, no old Internet Explorer). Where d...