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Which is more preferable to use: lambda functions or nested functions ('def')?

... If you need to assign the lambda to a name, use a def instead. defs are just syntactic sugar for an assignment, so the result is the same, and they are a lot more flexible and readable. lambdas can be used for use once, throw away functions which won't have a name. However, this us...
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How exactly do Django content types work?

...r will I be reusing these relationships in unforseen ways later down the road?" The reason why we ask this question is because this is what the Content Types framework does best: it creates generic relations between models. Blah blah, let's dive into some code and see what I mean. # ourapp.models f...
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Is jQuery “each()” function synchronous?

... AbrahamAbraham 17.4k77 gold badges2929 silver badges3838 bronze badges add a comment ...
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Different types of thread-safe Sets in Java

...re seems to be a lot of different implementations and ways to generate thread-safe Sets in Java. Some examples include 4 An...
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How to enter quotes in a Java string?

... Ian HenryIan Henry 20.9k44 gold badges4646 silver badges5959 bronze badges add a comment ...
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Is there a Null OutputStream in Java?

... Stephan202 53.5k1313 gold badges118118 silver badges128128 bronze badges answered Oct 4 '18 at 0:12 leventovleventov ...
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std::vector versus std::array in C++

..., stored in the heap, that grows and shrinks automatically if elements are added or removed. It provides all the hooks (begin(), end(), iterators, etc) that make it work fine with the rest of the STL. It also has several useful methods that let you perform operations that on a normal array would be ...
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How can I copy data from one column to another in the same table?

... wintermeyer 7,19866 gold badges3131 silver badges6464 bronze badges answered Jun 10 '11 at 15:32 Ash BurlaczenkoAsh Burlaczenko...
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Get jQuery version from inspecting the jQuery object

...eing used by inspecting the jQuery object? jQuery is dynamically getting added to my page and I cannot see any reference to it in my markup. If I inspect it in my browser's console, it's there. ...
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TypeError: unhashable type: 'dict'

... KeepCalmAndCarryOn 7,66211 gold badge2222 silver badges4141 bronze badges answered Nov 7 '12 at 7:03 Lauritz V. ThaulowLauritz V. Thau...