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Django REST Framework: adding additional field to ModelSerializer
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I think SerializerMethodField is what you're looking for:
class FooSerializer(serializers.ModelSerializer):
my_field = serializers.SerializerMethodField('is_named_bar')
def is_named_bar(self, foo):
return foo.name == "bar"
class Meta:
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HTML table with 100% width, with vertical scroll inside tbody [duplicate]
... to make <tbody> element scrollable, we need to change the way it's displayed on the page i.e. using display: block; to display that as a block level element.
Since we change the display property of tbody, we should change that property for thead element as well to prevent from breaking the t...
Programmatically find the number of cores on a machine
Is there a way to determine how many cores a machine has from C/C++ in a platform-independent way? If no such thing exists, what about determining it per-platform (Windows/*nix/Mac)?
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Java String split removed empty values
... am trying to split the Value using a separator.
But I am finding the surprising results
5 Answers
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How can I center a div within another div? [duplicate]
...that the #container will be centered within #main_content . However, it is not. Why isn't this working, and how can I fix it?
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Get hostname of current request in node.js Express
So, I may be missing something simple here, but I can't seem to find a way to get the hostname that a request object I'm sending a response to was requested from.
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How do you clone a BufferedImage
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Something like this?
static BufferedImage deepCopy(BufferedImage bi) {
ColorModel cm = bi.getColorModel();
boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
WritableRaster raster = bi.copyData(null);
return new BufferedImage(cm, ...
Remove URL parameters without refreshing page
...rent URL and add / inject it (the new modified URL) as a new URL entry to history list, use pushState:
window.history.pushState({}, document.title, "/" + "my-new-url.html");
2- To replace current URL without adding it to history entries, use replaceState:
window.history.replaceState({}, document...
Best way to “negate” an instanceof
I was thinking if there exists a better/nicer way to negate an instanceof in Java.
Actually, I'm doing something like:
9 ...
What's wrong with Java Date & Time API? [closed]
...TC and GMT at length, despite the fact that the difference between the two is basically leap seconds (which happen pretty rarely).
However, the design decisions really lay to waste any thought of being a well designed API. Here are some of the favourite mistakes:
Despite being designed in the las...