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Reading value from console, interactively

...irst part of the answer, the you can't do a while loop ... doesn't hold anymore. Yes, you can have a while loop and still don't block, thanks to the the async-await pattern. Other answers reflect that. To anyone reading this nowadays - please consult other answers as well. – Wi...
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How to use a variable inside a regular expression?

... Additionally, without '\r', \b' would not converted to a word boundary anymore but to a backspace! re.escape: Basically puts a backspace in front of any special character. Hence, if you expect a special character in TEXTO, you need to write: if re.search(rf"\b(?=\w){re.escape(TEXTO)}\b(?!\w)", s...
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Redirect stdout to a file in Python?

...he trick: import sys sys.stdout = open('file', 'w') print('test') A far more common method is to use shell redirection when executing (same on Windows and Linux): $ python foo.py > file share | ...
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What is the main difference between Inheritance and Polymorphism?

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Check whether user has a Chrome extension installed

...moved to chrome.runtime namespace. See BJury's answer (and comments) for a more up-to-date version – Xan Jan 13 '15 at 19:40  |  show 6 more c...
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Very large matrices using Python and NumPy

... Any chance you could expand your answer with a bit more clarity and some examples? – Adam B Jun 7 '18 at 18:08 add a comment  |  ...
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How should I ethically approach user password storage for later plaintext retrieval?

As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...
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Managing constructors with many parameters in Java

In some of our projects, there's an class hierarchy that adds more parameters as it goes down the chain. At the bottom, some of the classes can have up to 30 parameters, 28 of which are just being passed into the super constructor. ...
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How can I output leading zeros in Ruby?

...d answer because it's the simplest and easiest to remember. % works but is more general purpose. – Nathan Long Mar 6 '14 at 18:31 ...
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Is it possible to write data to file using only JavaScript?

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