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Django REST Framework: adding additional field to ModelSerializer
...e field you want to add. No need for @property and source='field' raise an error.
class Foo(models.Model):
. . .
def foo(self):
return 'stuff'
. . .
class FooSerializer(ModelSerializer):
foo = serializers.ReadOnlyField()
class Meta:
model = Foo
fields =...
RSpec: describe, context, feature, scenario?
......
end
# 2nd test we want to run in this state
it "returns an error to user" do
...
end
end
# 3rd state of the feature/behaviour I'm testing with multiple tests
context "with a valid order param" do
it "validates and accepts order param" do
...
end
it ...
MySQL Results as comma separated list
... valid. Any database conforming to the SQL standard will treat this as an error. For this case, either use MAX(p.name) in the select list or add p.name to the GROUP BY clause. Since Paul probably means p.id to represent a primary or unique key, adding p.name to the GROUP BY clause will have no im...
Argparse optional positional arguments?
..., all command-line args present are gathered into a list. Additionally, an error message will be generated if there wasn’t at least one command-line argument present.
parser.add_argument('dir', nargs=argparse.REMAINDER, default=os.getcwd())
argparse.REMAINDER. All the remaining command-line ar...
Swift equivalent for MIN and MAX macros
...
If you're getting a fun compiler error in XCode 9 like me, saying that max() doesn't exist even when you clearly pass it two Ints, then change it to Swift.max and suddenly yay, things are better. Thanks wm.p1us!
– xaphod
...
Sharing Test code in Maven
...'mvn clean install -DskipTests=true' and the test-jar will be creating. no errors
– Karussell
Aug 26 '13 at 14:13
1
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How do you run a command for each line of a file?
... why does the third command not work in a makefile? i'm getting "syntax error near unexpected token `<'", but executing straight from the command line works.
– Woodrow Barlow
Sep 28 '15 at 1:01
...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...t-id>, ( 2 back ) when doing "git push -f origin master" I get "remote: error: denying non-fast-forward refs/heads/master (you should pull first)" it is my repo and I want to take it back :)
– peterk
Mar 21 '12 at 19:25
...
Inserting a Link to a Webpage in an IPython Notebook
... Have you tested out? It doesn't work at my end. It returns an error (KeyError: 'name')
– Sameh
Nov 3 '19 at 1:09
...
How do you view ALL text from an ntext or nvarchar(max) in SSMS?
...as a comment to the (currently) accepted answer didn't work for me (got an error when trying to view the full XML result complaining about "The '[' character, hexadecimal value 0x5B, cannot be included in a name").
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