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In Django, how does one filter a QuerySet with dynamic field lookups?

... A simplified example: In a Django survey app, I wanted an HTML select list showing registered users. But because we have 5000 registered users, I needed a way to filter that list based on query criteria (such as just people who co...
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Is AngularJS just for single-page applications (SPAs)?

...e not.. that's like saying "Jquery is only for projects with animations". If it fits your project, use it. share | improve this answer | follow | ...
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What is Python used for? [closed]

... quick (to learn, to use, and to understand), and to enforce a clean and uniform syntax. Python is dynamically typed: it means that you don't declare a type (e.g. 'integer') for a variable name, and then assign something of that type (and only that type). Instead, you have variable names, and you ...
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How do I center a window onscreen in C#?

I need a way to center the current window. So for example, if a user pushes a button, I want the window to center itself onscreen. I know you can use the startposition property, but I cannot figure out a way to use that other than when the application first starts up. So how do I center the form on ...
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What is the difference between old style and new style classes in Python?

What is the difference between old style and new style classes in Python? When should I use one or the other? 8 Answers ...
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How to position a DIV in a specific coordinates?

I want to position a DIV in a specific coordinates ? How can I do that using Javascript ? 6 Answers ...
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How to specify test directory for mocha?

Mocha tries to find test files under test by default, how do I specify another dir, e.g. server-test ? 14 Answers ...
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GOBIN not set: cannot run go install

...t you can add DIR/bin to your PATH to get at the installed commands. If the GOBIN environment variable is set, commands are installed to the directory it names instead of DIR/bin. GOBIN must be an absolute path. For instance, this thread illustrates what happen in the case where a go buil...
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How can I output the value of an enum class in C++11

...will work for any scoped enum. The solution employs SFINAE via std::enable_if and is as follows. #include <iostream> #include <type_traits> // Scoped enum enum class Color { Red, Green, Blue }; // Unscoped enum enum Orientation { Horizontal, Vertical }; // Another...
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SVN undo delete before commit

If you delete a directory from an SVN working copy, but haven't committed yet, it's not obvious how to get it back. Google even suggests "svn undo delete before commit" as a common query when you type "svn undo d", but the search results are unhelpful. ...