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Django rest framework, use different serializers in the same ModelViewSet

... Override your get_serializer_class method. This method is used in your model mixins to retrieve the proper Serializer class. Note that there is also a get_serializer method which returns an instance of the correct Serializer class DualSerializerViewSet(view...
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Process escape sequences in a string in Python

Sometimes when I get input from a file or the user, I get a string with escape sequences in it. I would like to process the escape sequences in the same way that Python processes escape sequences in string literals . ...
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How to stop Eclipse formatter from placing all enums on one line

... answer by @wjans worked fine for normal enums, but not for enums with arguments. To expand on his answer a bit, here's the settings that provided the most sensible formatting for me in Eclipse Juno: Window > Preferences > Java > Code Style > Formatter Click Edit Select the Line Wrappi...
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How to replace text between quotes in vi

... Use ci", which means: change what inside the double quotes. You can also manipulate other text objects in a similar way, e.g.: ci' - change inside the single quotes ciw - change inside a word ci( - change inside parentheses dit - dele...
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Bash if [ false ] ; returns true

... You are running the [ (aka test) command with the argument "false", not running the command false. Since "false" is a non-empty string, the test command always succeeds. To actually run the command, drop the [ command. if false; then echo "True" else echo "False" fi ...
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Wget output document and headers to STDOUT

I'm trying to output document body and its headers to stdout with wget by wget -S -O - http://google.com 5 Answers ...
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How to assign colors to categorical variables in ggplot2 that have stable mapping?

... best. However, I think it's useful to point out another approach that becomes easier when you're trying to maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can become ...
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Java 8 NullPointerException in Collectors.toMap

...etty, but it works. Result: 1: true 2: true 3: null (this tutorial helped me the most.) EDIT: Unlike Collectors.toMap, this will silently replace values if you have the same key multiple times, as @mmdemirbas pointed out in the comments. If you don't want this, look at the link in the comment. ...
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Unit Testing AngularJS directive with templateUrl

...g. The template system tries to load the template through $http and it becomes an "unexpected request" to the mock. What you need a way to pre-load the templates into the $templateCache so that they're already available when Angular asks for them, without using $http. The Preferred Solution: Karma...
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Landscape printing from HTML

...umns. It there a way to do this, without the user having to change the document settings? 16 Answers ...