Most voted "python" questions
Python is a dynamic and heavily typed programming language whose design philosophy emphasizes usability. Two similar but incompatible versions of Python are in use (2 and 3). Please mention the version you are using when asking a question about Python.
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answer1837
viewsSelect Rows in a Postgresql array
I am using the Postgresql and Python database to query it, I have the following modeling: I’m trying to make an appointment that will return all the OrderItems of a Order in a array, for that I made…
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answer65
viewsPython Open-ID Framework
Guys, I got a problem. I don’t think the stack is the best place to ask but I don’t know exactly where to ask this. As you all know, Openid 2.0 will no longer be supported by google, which forces us…
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answer1714
viewsWrite to file, replace words/numbers
I have this code that is supposed to read a file and delete all the numbers that are there, the file is like a list of words, Ex: "Ana n Bruno n 123 n 10 n ...". A line has letters or numbers, never…
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answer535
viewsAble to see through cubes - opengl - pyopengl
Context: I’m using pyopengl 3.0.2 and python 2.7 to make 3ds drawings in opengl, Ubuntu 14.04 as OS and intel hd 3000 as video board. Problem: When executing any cube in opengl the cube becomes…
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answers599
viewsHow to request input data N times, and concatenate this data
First I asked the user to enter the amount of links that he wanted to add to the file (in this case a string), hence if for example he type 4, I want to ask the question "Download link: " four times…
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answer713
viewsError: IDLE crashes after closed
I have a lab with 35 machines running Windows 8.1 Pro. After installing Python (version 2.7.9 64bits) on all machines, I come across the following problems: Some machines install normally, but it is…
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answer1893
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answers2951
viewsCopy file content to clipboard on Windows
Hello, I am making a software for a forum, where members consult the patterns of posts by the software, I am storing these patterns in files and asking Python to read these files and display them,…
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answers158
viewsHow to use Kivy with Python 3.4.3 on Mac
How can I use Kivy with Python 3.4.3 on OS X? Only works with Python 2.7
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answer5597
viewsHow to remove a line from a text file
Hello. I am creating a program that opens, stores or deletes links. However, although I can remove the selected item from the link list I cannot delete the file line that corresponds to the selected…
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answers428
viewsHow to insert an array into a variable?
Realizing that it has a lot of repetitive code I decided to automate creating a looping of reading the cells of my excel file. #row cell fixa para o horario rows = ts[1].rows cells = rows[1].cells…
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answers5622
viewsAccess denied when updating PIP
I am running the following command at the Windows prompt pip install --upgrade pip And I’m getting a mistake: Permissionerror: [Winerror 5] Access denied: 'd: Leonardo python Django-treinaweb env…
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answer639
viewsString error in a Python 3 function
When I try to rotate the def gives a mistake on the part of texto[x][y-1], giving the following: erro:TypeError: 'str' object does not support item assignment Could someone please help me? def…
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answer2951
viewsSort a second column matrix
How to order the following matrix according to the x-coordinate column? I want you not only to order the coordinates, but to change the lines so that the city coordinates are correct. What I have so…
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answer719
viewsCreate a dictionary in Python by receiving values from the database
After accessing the database and have the desired query in case: ... c = conn.cursor() c.execute('SELECT `tb1`.`Nome`, `tb1`.`Apelido` FROM tb1') How to create a python dictionary for my command…
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answers512
viewsPython binary file saving error
I have a program in Python that receives a binary file via parameter and saves this file. However, when it saves the file, some characters it replaces with a series of numbers. Below the original…
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answer779
viewsLibrary for the issuance of electronic fiscal notes
I’m in need of a Python library for the issuance of electronic invoices... Does anyone there have any experience? Would you know to tell me if I need to acquire any government certificates for the…
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answer410
viewsI want to learn how to program
I want to learn how to program, what do you recommend I do first? I saw on several sites about python, which is a language to learn first, is good? Which should I leave after? Obg!
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answer112
viewsKeyboard function does not work Pyopengl
Guys I have the following code, I wanted to make a simple event to close the application but my function Keyboard does not work, I searched elsewhere and found similar versions. If you can help me,…
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answer140
viewsCheck random numbers (randint)
I started learning python this week and I was asking some questions and in one I have several different answers more when I type them always returns the same thing as if the others did not exist…
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answer1855
viewsHow to clean the screen on Tkinter?
There is a practical way to "clean" a screen by giving a destroy() in all the widgets at once, without having to do it one by one?
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answers399
viewsImport modules with Python
How can I do import of libraries, for example, I was researching and found the Babel to internationalize dates, but I don’t know how to import this library?…
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answer154
viewsError searching in Django
Hello I am creating a project on Jango and performing a search for a Taginfo based on a tag that has foreignkey for Taginfo. I’m getting the following error on line 99 from view. TypeError at…
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answers686
viewshow to use exactly Sleep and wakeup in python3?(multithread)
Hello I am trying to do in python3 the famous problem of the producer/consumer, transcribing from my book of S.O. however I have been facing a problem , apparently the Wait() Just put it to sleep…
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answer649
viewsHow to place the mouse cursor in a specific position of a text field?
I’m trying to format a field like entry gtk I’m using for date entry and wanted to add the character / in certain positions confirm the user will typing.. And the only thing missing is positioning…
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answers67
viewshow to use pyserial in pci modem interaction
I am trying to create a program that dials for certain numbers call twice and change to the next number. I am using pyserial for communication with pci modem only the program occupies the port but…
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answers1817
viewsIs there any way to write code for the web without a python framework?
I find python a very interesting language. And as I develop for web, I would like to use it for this purpose. I know there are good frameworks like Flask and Django. But if I wanted to write small…
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answers63
viewsError loading uwsgi - cannot be Loaded as Python module
I made the settings to work Django with Apache, but always gives the following error: cannot be Loaded as Python module My file: import os import sys…
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answer1008
viewsHow to run a module in Python?
have a question. A few days ago I am creating an application with GUI interface to show movie schedules. It was built in modules, for example, a module takes care of the images, searches the web and…
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answers1871
viewsAppend methods in a list - Python
I tried to add 4 methods to a list(methodList): def setVar(self, number): self.var = number methodList = list() for y in range(4): methodList.append(setVar(self, y)) and the function does not work:…
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answers1144
viewsIs there any way to use script as configuration files in python?
In PHP, we can use a PHP script to just return values, which is very useful for creating configuration files for an application. Example DB.php return array( 'host' => 'localhost', 'username'…
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answer494
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answer236
viewsConditionals and Control Flow (Codecademy Python 9/15)
Hello, I’m performing an exercise of Codecademy and I have to solve the following conditions: Match bool_one to False or not True and True result Match bool_two to False and not True or True result…
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answers1570
viewsWhich PIP version should I use?
My current question is: must I use pip3 for Python3.x or can I use Pip without any problem? What are the differences between Pip versions?
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answer491
viewsHow to get the contents of the selected cell in the Qtableview Python Grid?
How can I get the contents of cell selected in a Grid of the kind QTableView in Python? Follow the code below: __author__ = 'Dener' from PyQt4.QtCore import * from PyQt4.QtGui import * import sys…
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answer332
viewsProblems installing numpy module in windows by Pip
I can install another module using the pip, except the numpy. I have tried other installation ways using the easy_install and installation by src, unsuccessful as well. See the exit of the…
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answer886
viewsCreate a list of python Dict
I have the following python function def playersID(self, listDetals): listPlayersID = [] tempDict = {} for x in listDetals: for y in x['result']['players']: tempDict.clear() tempDict['match_id'] =…
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answer398
viewspython request iugu returns status 400
I’m testing the api of yugu. to generate boletus payments and I’m having problems returning json because there is no error in Dictionary items that is sent to the API (in php it would be an array)…
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answer1095
viewsTransform query into dataframe [sqlalchemy + pandas]
I’m new to python and I want to create a function that will query the database[mysql] and convert it into a dataframe so that it can be sent by e-mail in format. csv. But I’m having problems in this…
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answer530
viewsIs Flask only used by beginners?
Flask is only recommended for those who have no experience in web frameworks, i.e., for small projects (academic projects) or is recommended to develop large projects (industrial projects)?
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answer1948
viewsCan you kill a thread in Python?
Is there any way to stop a python thread? And it’s a bad practice to do that?
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answer311
viewsPermission denied - Logging
I implemented the Logging python on several Flask projects successfully. But when I tried to re-implement Logging in a project it gives the following error:IOError: [Errno 13] Permission denied. To…
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answer59
viewsPython doubts syntax
Galera was studying python and saw on a site this line : self.brotcl.plugins.runCustumcomand() I know that self is referencing a class but and these three variables together as well ?…
pythonasked 10 years ago alexsander 483 -
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answer1141
viewsVariable with multiple lists for matrix
Good night. I have a text file where I have already converted your content to lists. Each line in the file has become a list[], but now I need these lists to be all within an array. This way I can’t…
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answer65
viewsSet an analytic function in python
I need to do some operations with matrices (very large), but the elements of it are analytical functions. There is a way to do this in Python? Ex: Matrix = [[x**2+3x,x+y+1]...[...].....[...]]…
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answers309
viewsImporterror: DLL load failed: %1 is not a Valid Win32 application
When I run a Python script the following error occurs: Traceback (most recent call last): File "C:\Users\flemos\AppData\Local\Programs\Python\Python35-32\lib\pandas\__init__.py", line 7, in…
pythonasked 10 years ago Felipe j.lemos 11 -
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answers94
viewsRefactoring generation of random datetime (Python)
accept suggestions to improve this code https://github.com/rg3915/django-orm/blob/master/fixtures/gen_random_values.py#L34-L45 import random import datetime def gen_timestamp(min_year=1915,…
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answer906
viewsHow to implement a linear regression algorithm in python?
I am running a job in college and would like to implement a function that calculates a regressão linear. Given the points and the number of exponents desired, I want to return the coefficients of…
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answer1698
viewsAssigning values to dynamic variables
I’m trying to write a code that downloads the historical stock price series from yahoo Finance, then I need to separate the data. I want each variable to be named after the action. For example: I am…
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answers1119
viewsDeveloping a Webcrawler in Python
Is there any open source project of webcrawler simple, developed in Python, for study? I have been studying for some time / researching on the subject, but I can not find anything ready about it. My…