Questions tagged as 'python-3.x'

Tagged questions
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How do you insert complex numbers in Python?

I already know that when entering a int in print it is necessary to put %i . For the float it is %f and for the string it is %s . Now how do I insert booleans and complexes? The bool and complex ?     
asked by 07.05.2015 / 22:32
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How to create a service in Python that keeps running after responding?

I need to do long-pooling on a "Home" site to receive events. I then process and filter those events and I have clients that do long-pooling on me. I need to keep this in my memory, not to persist, and to provide my clients. Regardless of not ha...
asked by 07.10.2014 / 16:45
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How do I change the width of the columns in the Admin listing in Django?

How do I specify the width for the columns that are displayed in the Admin listing, more precisely the ones I specify in list_display in admin.py. Searching a similar question here , where I came to the conclusion that I should extend the file...
asked by 19.01.2016 / 15:54
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Flask and its contexts

I'm new to desenvolvimento Web and I'm studying FLask and it has some objects that should only be manipulated in certain context like Flask.g and Flask.current_app what I can not understand are the differences between...
asked by 30.11.2018 / 21:46
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Lambda in Python - Doubt

In Python 3 study, what would be the lambda function in Python, what is it for and when is it used?     
asked by 10.12.2018 / 11:48
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Grouping of groupby pandas table

I have a table in this format User Material Nota 1 youtube 5 2 facebook 4 3 facebook 3 4 facebook 5 6 youtube 2 7 orkut 3 8 twitter 4 and would like to group so that in th...
asked by 17.07.2018 / 17:10
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bs4: How to wrap an incomplete html code?

Hello, I came across incomplete html codes where the "html" and "body" tags are missing. Here is the code I've implemented: import bs4 content=''' <head> <title> my page </title> </head> <table border="0" c...
asked by 19.06.2018 / 15:47
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Why does Python not use 100% of the processor?

I'm developing a Python application where in some snippets, it requires a lot of CPU for calculations. However, I realize that even at these "bottleneck" points, the CPU never reaches more than 50% use. Of course the program slows down, wh...
asked by 06.10.2018 / 18:57
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Show dictionary contents in sorted order according to values

I'm trying to find ways to sort a dictionary by values, then show the keys. The best way I've found so far is this: import operator def mostra_ordenado_por_valores(dic={}): if len(dic) > 0: for k, v in sorted(dic.items(), key=o...
asked by 10.11.2014 / 13:17
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Show the runtime of an Algorithm in milliseconds in python?

So far I've only found questions that show seconds. I'd like to find it in Milliseconds. Here is the code I tried: import time start = time.time() def firstDuplicate(a): dic={} for x in a: if(x in dic): return...
asked by 02.10.2017 / 02:47