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Web crawler - python re can't find any content, very strange

Already solved! It turns out that match starts from scratch. If you change it to search, it can be interpreted...

From [Pythondiscussion group] 2017-05-18 10:58:44 0  1  4163

python problem of adding txt files at specified lines

1. The data format is very simple. There are four weeks, that is, 28 days of data. There are 144 data every da...

From [Pythondiscussion group] 2017-05-18 10:58:40 0  1  804

Python two lists added

There is a set of lists, a, b, c,..., and I want to continuously add this set of lists to the same list, for e...

From [Pythondiscussion group] 2017-05-18 10:58:37 0  4  815

pygame - Perform different operations in response to the same event the second time in python

In a loop, the keyboard responds to the pressing of a key, then performs two operations, and then responds to ...

From [Pythondiscussion group] 2017-05-18 10:58:36 0  2  705

python - Learning flask web development Chapter 4 validate_on_submit encountered an error and no attributes

app.py代碼如下： from flask import Flask, render_templatefrom flask_bootstrap import Bootstrapfrom flask_wtf import...

From [Pythondiscussion group] 2017-05-18 10:58:32 0  1  794

python - pycharm return outside of function

{Code...} I don’t know why this error is reported. What is the error?

From [Pythondiscussion group] 2017-05-18 10:58:28 0  1  1112

python regular increment

The following has been collected using re.sub. You need to add "1" in front of each {}: "2"...

From [Pythondiscussion group] 2017-05-18 10:58:27 0  2  655

python - Could you please tell me how to use post in the crawler to select the province variable option of the web page and get the web page that selects the option?

Please tell me how to simulate the drop-down menu options of this web page (http://wwwold.ipe.org.cn/poll..., ...

From [Pythondiscussion group] 2017-05-18 10:58:25 0  2  949

Python flask front-end and back-end interaction issues

I think the id below is equal to the user.id above but I don't know how to get this value

From [Pythondiscussion group] 2017-05-18 10:58:21 0  3  1111

python - What is the blank character between the two characters "country" in "◎國(guó)　國(guó)" on the details page in Movie Paradise?

rt. In the details page of Movie Paradise, for example: http://www.dytt8.net/html/gndy/dyzz/20170411/53707.htm...

From [Pythondiscussion group] 2017-05-18 10:58:20 0  3  1354

python - The page opened using phantomjs is incomplete, what is the problem?

When I used phantomjs to simulate login, there was no problem at all on the local windows, but when deployed t...

From [Pythondiscussion group] 2017-05-18 10:58:18 0  3  1015

Python open source operation or audit log implementation?

Is there an open source implementation that can record operation logs into the database with less intrusion in...

From [Pythondiscussion group] 2017-05-18 10:58:17 0  1  774

python - How to execute celery scheduled tasks without delay

When using celery to do scheduled tasks, for example, the following code {code...} will delay the execution of...

From [Pythondiscussion group] 2017-05-18 10:58:11 0  1  1029

The number of decimal places in the data is confusing when Python processes time series

I want to divide the time series into states. The maximum value of the time series is 1.8 and the minimum valu...

From [Pythondiscussion group] 2017-05-18 10:58:09 0  1  774

Grammar - In Python, can the break and continue statements only be used with if?

In Python, can the break and continue statements only be used with if? The picture below is from Liao Xuefeng’...

From [Pythondiscussion group] 2017-05-18 10:58:06 0  2  1796