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Is #pragma once part of the C++11 standard?
Traditionally, the standard and portable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
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Saving images in Python at a very high quality
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If you are using matplotlib and trying to get good figures in a latex document, save as an eps. Specifically, try something like this after running the commands to plot the image:
plt.savefig('destination_path.eps', format='eps')
I have found that ep...
getApplicationContext(), getBaseContext(), getApplication(), getParent()
...pplicationContext() Application context is associated with the Application and will always be the same throughout the life cycle.
getBasecontext() should not be used, just use Context instead of it which is associated with the activity and can be destroyed when the activity is destroyed.
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Testing Abstract Classes
...mean testing the interface, as abstract classes can have concrete methods, and this concrete methods can be tested.
It is not so uncommon, when writing some library code, to have certain base class that you expect to extend in your application layer. And if you want to make sure that library code ...
Ways to circumvent the same-origin policy
...earching for this topic. This is one of the most searched-for topics on SO and there is no consolidated wiki for it so here I go :)
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How to remove CocoaPods from a project?
...oaPods version 0.39.0, they could change with new versions.
Delete the standalone files (Podfile Podfile.lock and your Pods directory)
Delete the generated xcworkspace
Open your xcodeproj file, delete the references to Pods.xcconfig and libPods.a (in the Frameworks group)
Under your Build Phases d...
What is a domain specific language? Anybody using it? And in what way?
I guess I am looking for some kind of intro and see if anybody have used it. Are there any particular advantages of using it?
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How to enumerate a range of numbers starting at 1
...o do in Python 2.6 or newer:
enumerate(range(2000, 2005), 1)
Python 2.5 and older do not support the start parameter so instead you could create two range objects and zip them:
r = xrange(2000, 2005)
r2 = xrange(1, len(r) + 1)
h = zip(r2, r)
print h
Result:
[(1, 2000), (2, 2001), (3, 2002), ...
How can I convert the “arguments” object to an array in JavaScript?
... useful functions from Array.prototype like forEach , sort , filter , and map .
21 Answers
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Django REST framework: non-model serializer
I am beginner in Django REST framework and need your advice. I am developing a web service. The service has to provide REST interface to other services. The REST interface, which I need to implement, is not working with my models directly (I mean the get, put, post, delete operations). Instead, it p...