Recent questions tagged PYTHON

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python - How to use nose's assert_raises?

I've searched for documentation, but couldn't find any. There were a couple that didn't explain much. Can ... function and how to use 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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551 views

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python - How to specify version ranges in install_requires (setuptools, distribute)

I want to make a package to depend the particular version range e.g. >= 0.5.0, < 0.7.0. Is it possible ... option, and if so how should it be? See Question&Answers more detail:os...

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

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610 views

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python - Django Deprecation Warning or ImproperlyConfigured error - Passing a 3-tuple to django.conf.urls.include() is not supported

I have a deprecation warning in Django 1.11: RemovedInDjango20Warning: Passing a 3-tuple to django.conf.urls. ... feedcrunch_home.urls')), ] See Question&Answers more detail:os...

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

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304 views

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python - psycopg2 not actually inserting data

I need to insert JSON data from tornado to postgres, so here's test like this: from psycopg2 import connect conn = ... wrong? Python 2.7.2+ See Question&Answers more detail:os...

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

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593 views

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python - Get Day name from Weekday int

I have a weekday integer (0,1,2...) and I need to get the day name ('Monday', 'Tuesday',...). Is ... Saturday" if weekday == 6: return "Sunday" See Question&Answers more detail:os...

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

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367 views

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python - What's the difference between namedtuple and NamedTuple?

The typing module documentation says that the two code snippets below are equivalent. from typing import ... the two implementations? 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 - Does virtualenv serve a purpose (in production) when using docker?

For development we use virtualenv to have an isolated development when it comes to dependencies. From this ... with multiple applications? See Question&Answers more detail:os...

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

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222 views

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python - How to make Selenium scripts work faster?

I use Python Selenium and Scrapy for crawling a website. But my script is so slow, Crawled 1 pages (at ... "" return value[adjusted_pos_a:pos_b] 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 - Rename pivoted and aggregated column in PySpark Dataframe

With a dataframe as follows: from pyspark.sql.functions import avg, first rdd = sc.parallelize( [ (0, "A", ... fly on the pivot and aggregation? See Question&Answers more detail:os...

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

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665 views

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python - Pybind Numpy access 2D / ND arrays

New to pybind - read the documentation but I do not grasp how to apply it to 2D arrays. I have two arrays ... - or does it have an operator? See Question&Answers more detail:os...

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

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216 views

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python - join two json in Google Cloud Platform with dataflow

I want to find out only female employees out of the two different JSON files and select only the fields which ... ","emp_salary":"$100000"} See Question&Answers more detail:os...

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

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510 views

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python - Proper way to use iloc in Pandas

I have the following dataframe df: print(df) Food Taste 0 Apple NaN 1 Banana NaN 2 Candy NaN 3 Milk NaN 4 ... to combine these two lines 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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600 views

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python - Change metadata of pdf file with pypdf2

I want to add a metadata key-value pair to the metadata of a pdf file. I found a several years old answer, but ... way, then I go this 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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248 views

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python - how use grid search with fit generator in keras

i want to grid search the parameter of the model with fit_generator as input in keras i find below code in stack ... ) validator.fit(?????? See Question&Answers more detail:os...

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

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268 views

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python - How to extract points from a graph?

I have a question. I have plotted a graph using Matplotlib like this: from matplotlib import pyplot import numpy ... help! Thanks in advance! See Question&Answers more detail:os...

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

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343 views

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python - Interpreting WAV Data

I'm trying to write a program to display PCM data. I've been very frustrated trying to find a library with ... signed or unsigned? Many thanks! See Question&Answers more detail:os...

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

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373 views

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python - creating a custom widget in tkinter

I want to create a custom widget in tkinter such that when instantiated, displays a label and an entry box. ... all seem to mess up everything See Question&Answers more detail:os...

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

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491 views

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python pygtk windows 7 64 bit

I have been working with pygtk on linux for some time.I just want to make my app more distributable. Now ... is lacking on this part. See Question&Answers more detail:os...

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

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408 views

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python - How to use scrapy to crawl multiple pages?

All examples i found of Scrapy talk about how to crawl a single page, pages with the same url schema or all the ... before A and B. Any hints? See Question&Answers more detail:os...

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

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389 views

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python - Google contacts import using oauth2.0

What possible ways to import google contacts using python and oauth2.0 exists? We successfully got credentials, ... for alternative ways. See Question&Answers more detail:os...

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

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204 views

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python 3.x - Converting tkinter to exe

Currently I'm trying to convert my tkinter python script to a exe file. I'm using cx_freeze to do this. ... problem? Many thanks in advance. See Question&Answers more detail:os...

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

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232 views

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python - How to use Dataset API to read TFRecords file of lists of variant length?

I want to use Tensorflow's Dataset API to read TFRecords file of lists of variant length. Here is my code. def ... .2 Tensorflow version: 1.4.1 See Question&Answers more detail:os...

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

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246 views

1 answer

python - Writing a very basic search form in Django

So I'm trying to get something very simple accomplished. I want to enter a term into my search box, and display it ... in the {{ query }} space. See Question&Answers more detail:os...

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

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412 views

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python - Extrapolate Pandas DataFrame

It is easy to interpolate values in a Pandas.DataFrame using Series.interpolate, how can extrapolation be done? For ... Beyond that I'm stuck. See Question&Answers more detail:os...

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

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216 views

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python - Best way to delete a django model instance after a certain date

I am writing a little app where the user creates an event and specifies the date that event will occur. ... Any insight is appreciated, thanks! See Question&Answers more detail:os...

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

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329 views

1 answer

python - Passing value from a drop down menu to a Flask template

I am having an issue passing an item selected from an HTML drop down menu to a SQL query. I'm not exactly sure ... {% endfor %} {% endblock %} See Question&Answers more detail:os...

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

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193 views

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python - How can I use MongoDB with Flask?

Okay so I have Flask installed and I am wondering how I can connect and use a MongoDB database with a Flask app ... I am starting to build soon. See Question&Answers more detail:os...

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

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315 views

1 answer

python - Interpolate (or extrapolate) only small gaps in pandas dataframe

I have a pandas DataFrame with time as index (1 min Freq) and several columns worth of data. Sometimes the data ... with all NaNs in that case. See Question&Answers more detail:os...

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

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