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How to check if a variable is a dictionary in Python?

...ele, collections.Mapping). It works for dict(), collections.OrderedDict(), and collections.UserDict(). The example in the question is specific enough for Padriac's answer to work, but it's not good enough for the general case. – Alexander Ryzhov Jun 28 '18 at 5...
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Is it possible to cast a Stream in Java 8?

... answered Jun 12 '14 at 18:43 BrandonBrandon 2,1392020 silver badges3131 bronze badges ...
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Chaining multiple filter() in Django, is this a bug?

... The way I understand it is that they are subtly different by design (and I am certainly open for correction): filter(A, B) will first filter according to A and then subfilter according to B, while filter(A).filter(B) will return a row that ma...
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Java - No enclosing instance of type Foo is accessible

...on the fly :P } The last solution (a non-static nested class) would be mandatory if any instance of Thing depended on an instance of Hello to be meaningful. For example, if we had: public class Hello { public int enormous; public Hello(int n) { enormous = n; } public cl...
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Where in a virtualenv does the custom code go?

...en using virtualenv ? For instance, if I were building a WSGI application and created a virtualenv called foobar I would start with a directory structure like: ...
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Why can't I forward-declare a class in a namespace using double colons?

...viously declared) entities. They can't be used to introduce new entities. And you are in fact "reopening" the namespace to declare new entities. If the class Class is later defined as a member of different namespace - it is a completely different class that has nothing to do with the one you declar...
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CALL command vs. START with /WAIT option

How is the START command with a WAIT option 6 Answers 6 ...
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Bootstrap 3 Navbar with Logo

...to use the Bootstrap 3 default navbar with an image logo instead of text branding. What's the proper way of doing this without causing any issues with different screen sizes? I assume this a common requirement, but I haven't yet seen a good code sample. A key requirement other than having acceptable...
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Javascript web app and Java server, build all in Maven or use Grunt for web app?

We are doing a web application with AngularJS and we like the idea of using Bower for Dependency Management and Grunt for building, running tests etc. ( Yeoman ) ...
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Why does find -exec mv {} ./target/ + not work?

I want to know exactly what {} \; and {} \+ and | xargs ... do. Please clarify these with explanations. 5 Answers ...