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What is the difference between Θ(n) and O(n)?

...I see Θ(n) with the strange Θ symbol with something in the middle of it, and sometimes just O(n). Is it just laziness of typing because nobody knows how to type this symbol, or does it mean something different? ...
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Why does += behave unexpectedly on lists?

... The general answer is that += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods. The __iadd__ special method is for an in-place addition, that is it mutates the object that it a...
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis

...pdate in the Entity Framework designer (or alternatively delete the entity and then add it) before you stop getting the error. share | improve this answer | follow ...
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How to organize a node app that uses sequelize?

...e file but just to provide the necesary information for its initialization and let a centralized module take care of the models setup and instantiation. So the steps are: Have several Model files with data about the model, like fields, relationships and options. Have a singleton module which loads ...
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Is functional GUI programming possible? [closed]

I've recently caught the FP bug (trying to learn Haskell), and I've been really impressed with what I've seen so far (first-class functions, lazy evaluation, and all the other goodies). I'm no expert yet, but I've already begun to find it easier to reason "functionally" than imperatively for basic ...
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In Python, when should I use a function instead of a method?

...nt "can't kill it." Moving away from this analogy, why do we use methods and classes? Because we want to contain data and hopefully structure our code in a manner such that it will be reusable and extensible in the future. This brings us to the notion of encapsulation which is so dear to OO design...
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What is the difference between 'protected' and 'protected internal'?

Can someone please elaborate me the difference between 'protected' and 'protected internal' modifiers in C#? It looks they behave in same manner. ...
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What are the differences between “=” and

What are the differences between the assignment operators = and <- in R? 7 Answers ...
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What's the difference between a word and byte?

I've done some research. A byte is 8 bits and a word is the smallest unit that can be addressed on memory. The exact length of a word varies. What I don't understand is what's the point of having a byte? Why not say 8 bits? ...
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What is the difference between a Docker image and a container?

...en using Docker, we start with a base image. We boot it up, create changes and those changes are saved in layers forming another image. ...