Recent questions tagged Python

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python - odepack.error: Extra arguments must be in a tuple

I'm having some issues with my ode solver, I am trying to solve an SEIR problem and I keep getting the ... tuple Any help would be appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Intersection and Difference of two dictionaries

Given two dictionaries, I want to look at their intersction and difference and perform f function on the elements ... code give key error 4? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Struggling to scrape a table using selenium

So I am looking forward to make the scraping of the table that appears in this link. In order scrape I ... a struggle to scrape the table? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to use dicts in Mako templates?

Whenever I pass a complicated data structure to Mako, it's hard to iterate it. For example, I pass a dict of ... isn't it? Thanks, Boda Cydo. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - PyQt How to remove a layout from a layout

datainputHbox = QHBoxLayout() layout = QVBoxLayout(self) layout.addLayout(datainputHbox) pagedatainputdeletboxbutton1.clicked ... remove layout. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Matplotlib - mark_inset with different edges for axes

I want to plot a time series of a damped random walk in one subplot and then zoom into it in a second subplot. ... I have to do to achieve this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - How can I play audio stream without saving it into the file with pyglet?

Now I have these libraries: requests, pyglet, pyaudio How can I play an audio stream using ones, for example, from ... =: 'float' and 'NoneType' See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - how to create a sqlite3 table from a dictionary

import sqlite3 db_file = 'data/raw/db.sqlite' tables = { 'Players': { 'id': 'INTEGER PRIMARY KEY', ' ... SOLVED: Answer is below in comments. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Structuring a Keras project to achieve reproducible results in GPU

I am writing a tensorflow.Keras wrapper to perform ML experiments. I need my framework to be able to perform an ... split is always the same. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Display foreign key value in django template

I've looked through the similar questions and was unable to find a solution that fits or I'm missing something? I ... . What am I doing wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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644 views

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python - Stacking dataframe columns (Pandas)

I am looking for a way to pivot a dataframe in reverse direction. To the best of my knowledge, pandas provides ... most efficient way to do so? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I stop a character in pygame from leaving the edge of the screen?

I have created a small program in pygame where the player controls a blue square moving around the screen, but I ... .flip() clock.tick(60) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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547 views

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python - Outputting all possible permutations of multiple lists

I am very new to Python and have only just bought my first "Crashcourse in Python" book - originally my choice of ... so, how? If not, what? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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807 views

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python - Why does pickle take so much longer than np.save?

I want to save a dict or arrays. I try both with np.save and with pickle and see that the former always ... loading? When should I use pickle? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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761 views

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python - Uploading Files in webapp2/GAE

I need to upload and process a CSV file from a form in a Google App Engine application based on Webapp2 (Python) ... having to store it at all. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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549 views

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python - Deploying cx_Oracle in Windows

I'm trying to use cx_Oracle module in python to access a remote database and insert or delete rows in ... would make the structure itself. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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758 views

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python - Identify if Flask request is from JavaScript or not

I want to create a Flask error handler that returns a JSON response if the request was from JavaScript but ... redirect(url_for('error')) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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622 views

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python - showing specific xtick in matplotlib

So I have a graph that runs on an order of magnitude 10000 time steps, and thus I have a lot of data ... know what tick I want to display? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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746 views

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python - How to insert/append unstructured data to bigquery table

Background I want to insert/append newline formatted JSON into bigquery table through python client API. Eg: {" ... using python client API. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - scikit-learn ValueError: dimension mismatch

This is my first time posting here. For the past couple of days I have been trying to teach myself scikit- ... that lets me do this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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833 views

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python - ctypes struct containing arrays

I'm trying to use ctypes. I'm interested in manipulating C structs containing arrays. Consider the following ... but not correctly initialized. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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762 views

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python - How to run kivy and flask apps together?

I have a flask app serving as a server and I have a kivy app serving as a front end to a server. How ... and faster solution, in my opinion! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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680 views

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python - Hotmail SSL3 version number error using smtp

I am trying to use the hotmail smtp server from python. However, my login attempt gives rise to an apparent ... Smtp SSL wrong version on linux See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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773 views

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python getting weekday from an input date

I'm trying to work on a homework problem where I have an input date in the format YYYY-MM-DD I ... these functions and modules properly? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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703 views

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python - How to download scrapy images in to a dynamic folder?

I am able to download images through scrapy in to the "Full" folder but I need to make the name of the ... there any way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.8k views

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python - Can't parse json file: json.decoder.JSONDecodeError: Extra data.

I have a json file. A simplified version of it looks as following: { "host": "a.com", "ip": "1.2.2.3 ... you please point to me what's missing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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601 views

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python - Two level grouped plots in pandas

Is there any way to create a two level grouped bar chart (i.e. groups on the x-axis) using Python matplotlib ... example of what I mean is shown See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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607 views

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python 2.7 - celery daemon production local config file without django

I am newbie to Celery. I create a project as per instruction provided by the celery4.1 docs.Below is my project ... hint what i am doing wrong. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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