Recent questions tagged Python

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python - Celery: Rate limit on tasks with the same parameters

I am looking for a way to restrict when a function is called, but only when the input parameters are different, ... ") api_call("oscar") Best! 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 read index data as string with pandas.read_csv()?

I'm trying to read csv file as DataFrame with pandas, and I want to read index row as string. However ... point them with specific column names. 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 - Under which circumstances do equal strings share the same reference?

I have searched the web and stack overflow questions but been unable to find an answer to this question. The ... of new-style python classes. 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 - regex for triple quote

What regex will find the triple quote comments (possibly multi-line) in a Python source code? 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 - No module named 'Queue'

My import of Python modules import Queue from threading import Thread import time But when I run code File "b1.py" ... ' What should I try next? 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 do I get the current 'package' name? (setup.py)

How do I get the current topmost package, i.e., the name defined in setup.py? Here is my tree: . |-- ... py'), '_config', 'data_file.txt') 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 - seaborn FutureWarning: Pass the following variables as keyword args: x, y

I want to plot a seaborn regplot. my code: x=data['Healthy life expectancy'] y=data['max_dead'] sns ... result in an error or misinterpretation. 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 - Block mean of numpy 2D array

I want to find block mean of a 2D array in NumPy. For simplicity, let us assume that the array is as follows ... or by using the command above. 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 - Pandas number of business days between a DatetimeIndex and a Timestamp

This is quite similar to the question here but I'm wondering if there is a clean way in pandas to make a ... elegant way to go about 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 pandas: applying different aggregate functions to different columns

I am trying to understand what the equivalent of this simple SQL statement would be: select mykey, sum(Field1) as ... 't quite find an answer. See Question&Answers more detail:os...

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

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359 views

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python - How can I debug manually typed expression and statements in pdb?

In pdb (or ipdb) we can execute statements and evaluate expressions with the ! or p commands: p expression ... way do something like 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 - django how to get count for manytomany field

I have model for question: class Question(models.Model): user = models.ForeignKey(User) title = models. ... answers for particular questions. 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 - Python3 Singleton metaclass method not working

I saw a lot of methods of making a singleton in Python and I tried to use the metaclass implementation ... is wrong with this implementation? See Question&Answers more detail:os...

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

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872 views

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python - compilation error. AttributeError: 'module' object has no attribute 'init'

Here is my small program, import pygame pygame.init() Here is my compilation command. python myprogram.py ... statements, It works fine. See Question&Answers more detail:os...

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

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451 views

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python - Pandas to Excel (Merged Header Column)

I want to convert my df to an excel sheet, but also want to add a header column to categorize all the columns ... the Excel file. writer.save() See Question&Answers more detail:os...

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

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573 views

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python - How can I pass configuration variable values into the pyodbc connect command?

I have a .ini (configuration file) where I have mentioned the server name, Database Name, UserName and Password with ... I am getting an 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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443 views

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python - Entity references and lxml

Here's the code I have: from cStringIO import StringIO from lxml import etree xml = StringIO('''<?xml version= ... e., the raw entity reference? See Question&Answers more detail:os...

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

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667 views

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python - How to draw with Vertex Array Objects and glDrawElements in PyOpenGL

I have the following code which should simply draw a green triangle to the screen. It is using Vertex ... and glDrawElements still doesn't. See Question&Answers more detail:os...

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

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467 views

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python - Using GCS in GAE Local devserver

Yesterday this code was working fine both in local and production servers: import cloudstorage def filelist(Handler): ... Thanks for your help 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 to have more than one handler in AWS Lambda Function?

I have a very large python file that consists of multiple defined functions. If you're familiar with AWS Lambda, ... around this in python3.6? See Question&Answers more detail:os...

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

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1.1k views

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python - Cumsum Reset based on a condition in Pandas

My question is very similar to Cumsum within group and reset on condition in pandas and Pandas: cumsum per ... to the previous Cumulative row. 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 2.7 - AttributeError: 'Request' object has no attribute 'is_xhr'

I am trying to run cuckoo api. Cuckoo web is working fine on my system. But when I tried cuckoo api, I ... could be the solution to this issue? See Question&Answers more detail:os...

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

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432 views

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python - String format with optional dict key-value

Is there any way to format string with dict but optionally without key errors? This works fine: opening_line = ' ... unpacking Is there any way? See Question&Answers more detail:os...

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

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691 views

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python - Regular expression to match comma separated list of key=value where value can contain commas

I have a naive "parser" that simply does something like: [x.split('=') for x in mystring.split(',')] ... would return a list of 2-tuples? 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 2.7 - Apache Airflow : airflow initdb results in "ImportError: No module named json"

On Ubuntu 16.04 with Python 2.7 default version, I am trying to install Apache airflow but ran into several ... exit() Nothing worked so far. See Question&Answers more detail:os...

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

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420 views

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python - How does numpy order array slice indices?

I have an np.array data of shape (28,8,20), and I only need certain entries from it, so I'm taking a slice: ... have a way to make sense of it. See Question&Answers more detail:os...

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

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375 views

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python - Difference between int() and long()

What is the difference between int(x) and long(x) in python My understanding: long() will always return a long ... number, "", type(number) See Question&Answers more detail:os...

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

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467 views

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python - Programmatically changing system-wide speaker balance on Windows 7

How can I programmatically change system-wide speaker balance on Windows 7? (I can only program in Python and AHK.) See Question&Answers more detail:os...

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

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