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In Django, how do I check if a user is in a certain group?

...hen user.groups.all() returns [<Group: Editor>]. Alternatively, and more directly, you can check if a a user is in a group by: if django_user.groups.filter(name = groupname).exists(): ... Note that groupname can also be the actual Django Group object. ...
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Structs versus classes

...scenarios. Structs consume less heap memory (because they are smaller and more easily compacted, not because they are "on the stack"). But they take longer to copy than a reference copy. I don't know what your performance metrics are for memory usage or speed; there's a tradeoff here and you're the...
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How do search engines deal with AngularJS applications?

... no way around serving a pre-rendered version to the crawler. You can read more about Google's recommendations for ajax and javascript-heavy sites here. If this is an option I'd recommend reading this article about how to do SEO for Angular with server-side rendering. I’m not sure what the craw...
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Why can't static methods be abstract in Java?

... A more concise answer would be 'bad language design.' Static should mean 'belongs to the class' because that's how it's used intuitively as this very question demonstrates. See "classmethod" in Python. – A...
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Search and replace in Vim across all the project files

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Where and how is the _ViewStart.cshtml layout file linked?

...he site. This enables a lot of UI flexibility. It also allows you to more easily write view logic once, and avoid repeating it in multiple places. Also see this. share | improve this ans...
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sys.argv[1] meaning in script

...out the user's knowledge. This answer attempts to answer the question at a more tutorial level. For every invocation of Python, sys.argv is automatically a list of strings representing the arguments (as separated by spaces) on the command-line. The name comes from the C programming convention in wh...
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maxlength ignored for input type=“number” in Chrome

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How can I view live MySQL queries?

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How to hide the title bar for an Activity in XML with existing custom theme

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