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Why does Pycharm's inspector complain about “d = {}”?

When initializing a dictionary with d = {} Pycharm's code inspector generates a warning, saying 5 Answers ...
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Why does PostgreSQL perform sequential scan on indexed column?

Very simple example - one table, one index, one query: 4 Answers 4 ...
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NULL vs nullptr (Why was it replaced?) [duplicate]

I know that in C++ 0x or NULL was replaced by nullptr in pointer-based applications. I'm just curious of the exact reason why they made this replacement? ...
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CSS - How to Style a Selected Radio Buttons Label?

I want to add a style to a radio button's selected label: 6 Answers 6 ...
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Likelihood of collision using most significant bits of a UUID in Java

If I'm using Long uuid = UUID.randomUUID().getMostSignificantBits() how likely is it to get a collision. It cuts off the least significant bits, so there is a possibility that you run into a collision, right? ...
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Once upon a time, when > was faster than < … Wait, what?

I am reading an awesome OpenGL tutorial . It's really great, trust me. The topic I am currently at is Z-buffer. Aside from explaining what's it all about, the author mentions that we can perform custom depth tests, such as GL_LESS, GL_ALWAYS, etc. He also explains that the actual meaning of depth v...
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Appending to an existing string

To append to an existing string this is what I am doing. 5 Answers 5 ...
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of

If we have 10 eigenvectors then we can have 10 neural nodes in input layer.If we have 5 output classes then we can have 5 nodes in output layer.But what is the criteria for choosing number of hidden layer in a MLP and how many neural nodes in 1 hidden layer? ...
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Get url parameters from a string in .NET

I've got a string in .NET which is actually a url. I want an easy way to get the value from a particular parameter. 13 A...
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How to drop into REPL (Read, Eval, Print, Loop) from Python code

Is there a way to programmatically force a Python script to drop into a REPL at an arbitrary point in its execution, even if the script was launched from the command line? ...