Questions tagged as 'python'

Tagged questions
2
answers

Threads in python 3.4

Well, I'm having a hard time using threads, I need to do the following: I have several items to compare with a variable, but this comparison takes a while, so I would like to make several comparisons at the same time and if some comparison is...
asked by 15.04.2015 / 16:51
1
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How does dynamic typing work in Python 3.x?

I'm new to Python and I had a question when I solved Exercise 1001 of Uri Online (read A and B, assign sum to X and print), when writing the following code, I received concatenation: a = input() b = input() x = a + b print ("x = ", x) Whe...
asked by 19.06.2016 / 19:05
3
answers

Script to query external IP [closed]

How can I get the address of IP of the person who logged into my system? I searched Google and all I find are queries on third-party sites ( link , # Does anyone know of any links or scripts (PHP, Python, ...) that do this?     
asked by 29.06.2015 / 18:41
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What is the difference between the concept of static and dynamic typing and the concept of strongly and weakly typed? [duplicate]

There is some confusion about the concept of programming languages with static and dynamic typing and the concept of strongly and poorly typed programming languages. For example, by my understanding Python is a dynamic typed language...
asked by 06.11.2015 / 15:38
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What's the difference between namedtuple and NamedTuple?

The module documentation typing states that the two code snippets below are equivalent. Using typing.NamedTuple : from typing import NamedTuple class Employee(NamedTuple): name: str id: int Using collections.na...
asked by 08.06.2018 / 20:32
1
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Django 'bool' object has no attribute '_committed'

I have a field of type FileField and when I try to delete the contents of it, it returns me this error message: ´bool' object has no attribute '_committed' To upload normally, the problem is only when I try to remove the uploade...
asked by 11.02.2014 / 17:35
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How to make a sum in Lambda with recursive logic using successor and predecessor?

I'm trying to mount a Sum with recursion logic using only successor and predecessor in Lambda. But they are not getting ... In case: suc = λx.x+1 ant = λx.x-1 I've already done something like this: {λx.[λy.(x-1)+(y+1)][λy.(x-1)+(y+1)]...
asked by 23.11.2015 / 13:37
1
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Recursive function that simulates a number raised to a power

How to simulate raising a number to a power using recursion (and Python)? '     
asked by 06.01.2015 / 17:54
1
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Scraping with python

How to capture one or more sentences from a website with Python and / or regular expressions? I want everything that starts with <p>&#8220; e acabe com &#8221;</p> Example: <p>&#8220;frasefrasefrasefrasefr...
asked by 26.01.2015 / 23:47
1
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Python Chat - Errno 9 - Bad File Descriptor

I am developing (for study only) a code for a python chat, and I came across an error during the client-server communication, I would like some guidance about it, since I can not identify a solution. Here is the code and the image of the error....
asked by 22.11.2016 / 17:58