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Django Rest Framework: Dynamically return subset of fields

...verride the serializer __init__ method and set the fields attribute dynamically, based on the query params. You can access the request object throughout the context, passed to the serializer. Here is a copy&paste from Django Rest Framework documentation example on the matter: from rest_framew...
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Get a random boolean in python?

... but I found that random.getrandbits(1) to be quite a lot faster. If you really want a boolean instead of a long then bool(random.getrandbits(1)) is still about twice as fast as random.choice([True, False]) Both solutions need to import random If utmost speed isn't to priority then random.choic...
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How to rename with prefix/suffix?

...available and you have to rename more than one file, shell scripting can really be short and simple for this. For example, to rename all *.jpg to prefix_*.jpg in the current directory: for filename in *.jpg; do mv "$filename" "prefix_$filename"; done; ...
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How do you validate a URL with a regular expression in Python?

...he result of parsing gives you a netloc or path you don't like, you could call that "invalid". – S.Lott Jun 29 '09 at 20:44 2 ...
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What's wrong with using $_REQUEST[]?

...a number of posts on here saying not to use the $_REQUEST variable. I usually don't, but sometimes it's convenient. What's wrong with it? ...
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Detect Browser Language in PHP

... do you say they are one letter? Dutch (nl), Greek (el) and Slovenian (sl) all appear to be two letter: msdn.microsoft.com/en-us/library/ms533052(v=vs.85).aspx – Peter K. Nov 19 '12 at 17:35 ...
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How to pass a user defined argument in scrapy spider

... The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working wit...
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How to get current route in Symfony 2?

... not a route. As such, Symfony doesn't know what route that is for. Typically, you have one route to one controller, so it may seem weird that this can't report anything besides "_internal", however, it is possible to create general-purpose controllers that get associated with more than one route ...
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PHP: Storing 'objects' inside the $_SESSION

I just figured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved....
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How can I include a YAML file inside another?

...ve added an answer below...hope it helps. – daveaspinall Aug 19 '15 at 9:39 1 If you're using Rai...