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Configure Flask dev server to be visible across the network

I'm not sure if this is Flask specific, but when I run an app in dev mode ( http://localhost:5000 ), I cannot access it from other machines on the network (with http://[dev-host-ip]:5000 ). With Rails in dev mode, for example, it works fine. I couldn't find any docs regarding the Flask dev server c...
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TCP: can two different sockets share a port?

This might be a very basic question but it confuses me. 5 Answers 5 ...
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Any reason not to use '+' to concatenate two strings?

A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
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What does numpy.random.seed(0) do?

What does np.random.seed do in the below code from a Scikit-Learn tutorial? I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this. ...
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What does the ^ operator do in Java?

What function does the ^ (caret) operator serve in Java? 17 Answers 17 ...
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How to use glOrtho() in OpenGL?

I can't understand the usage of glOrtho . Can someone explain what it is used for? 3 Answers ...
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String concatenation in Ruby

I am looking for a more elegant way of concatenating strings in Ruby. 16 Answers 16 ...
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Understanding “randomness”

I can't get my head around this, which is more random? 28 Answers 28 ...
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Is MATLAB OOP slow or am I doing something wrong?

I'm experimenting with MATLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead of strcat( a b ) , strcmp( a, b ) , retrieve first...
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How to validate an email address in JavaScript

Is there a regular expression to validate an email address in JavaScript? 95 Answers 9...