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How do I include related model fields using Django Rest Framework?
...ted_name='teachers')
One thing to keep in mind is that nested serializers do not currently support write operations. For writable representations, you should use regular flat representations, such as pk or hyperlinking.
sh...
Why is extending native objects a bad practice?
... leader says that extending the native objects is a bad practice. But why? Do we get a perfomance hit? Do they fear that somebody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object?
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How do I use CMake?
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What is the Makefile? Where do I find the project/solution file for visualstudio?
– lital maatuk
Oct 22 '11 at 13:00
3
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
...e.g., calling the pop method when the stack is empty should throw an InvalidOperationException). Everything it touches should be done in memory; this means that the test code and the code under test shouldn't:
Call out into (non-trivial) collaborators
Access the network
Hit a database
Use the f...
How do I get Pyflakes to ignore a statement?
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This is actually what we ended up doing. (Well, this and parsing pyflakes output to ignore errors on lines with a silence pyflakes comment.) Thanks!
– a paid nerd
Aug 26 '12 at 19:27
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Haskell, Lisp, and verbosity [closed]
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Short answer:
almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static ...
How to “return an object” in C++?
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I don't want to return a copied value because it's inefficient
Prove it.
Look up RVO and NRVO, and in C++0x move-semantics. In most cases in C++03, an out parameter is just a good way to make your code ugly, and in C++0x you...
How do I parse XML in Python?
...xml').getroot()
Or any of the many other ways shown at ElementTree. Then do something like:
for type_tag in root.findall('bar/type'):
value = type_tag.get('foobar')
print(value)
And similar, usually pretty simple, code patterns.
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Most efficient way to cast List to List
...ch assumes that everything in the list is a SubClass.
Generic collections do not behave the same as arrays in Java. Arrays are covariant; that is, it is allowed to do this:
SubClass[] subs = ...;
BaseClass[] bases = subs;
This is allowed, because the array "knows" the type of its elements. If so...
AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
...ve a circular dependency between $http and your AuthService.
What you are doing by using the $injector service is solving the chicken-and-egg problem by delaying the dependency of $http on the AuthService.
I believe that what you did is actually the simplest way of doing it.
You could also do thi...