Python regular expression problem, what does (?i) mean?

filter(re.compile('(?i)([qwertyuiop]|[asdfghjkl]|[zxcvbnm]*)$').match, words) As above, this is a Python state...

From [Pythondiscussion group] 2017-05-18 11:00:09 0  1  2563

python3.x - python 3.6 installation opencv 3.2 import cv2 error

Anaconda python 3.6 installs opencv 3.2 import cv2 and reports an error, as shown in the figure. Visual C++ 20...

From [Pythondiscussion group] 2017-05-18 11:00:08 0  1  1292

python - This django.core.exceptions.ValidationError occurs when running django

Hello everyone! When editing Django's model.py, I accidentally copied a field type incorrectly: {code...} Late...

From [Pythondiscussion group] 2017-05-18 11:00:06 0  2  1154

python - Why can't I extract url-encoded data?

This is my code {code...} This is the data in the log {code...} Why can't I extract {code...} Is the regular e...

From [Pythondiscussion group] 2017-05-18 11:00:01 0  1  872

python - Why does match match the result <_sre.SRE_Match object; span=(0, 54), match=''>

{Code...} Why is the result of using re.match like this? {Code...} How to make it display like this? {code...}

From [Pythondiscussion group] 2017-05-18 10:59:50 0  1  1329

How to use split first in python

{code...} I set the starting index to be 's?q=', and then {code...} set the end split('&') string to be th...

From [Pythondiscussion group] 2017-05-18 10:59:49 0  1  1056

A usage in python is unclear

In the process of writing a crawler in Python (crawling Wikipedia entries), the url["href"] appeared...

From [Pythondiscussion group] 2017-05-18 10:59:46 0  1  842

Web crawler - Python requests crawler, how to post the data in the payload, thank you!

When I use requests to make a post request, how do I use this payload? I know how to construct form-data data ...

From [Pythondiscussion group] 2017-05-18 10:59:45 0  3  1080

python website login and sign-in problem

Problem: After python successfully logged in, it prompted that there was no login when signing in, that is, th...

From [Pythondiscussion group] 2017-05-18 10:59:42 0  3  850

python - Query data with flask+sqlalchemy

After I log in and it is included in the main page, will the data on the main page be received using a form? I...

From [Pythondiscussion group] 2017-05-18 10:59:39 0  3  978

python - How does Shadowsocks' URL import function from the clipboard convert links like ss://XXXXXXXXXX copied in the clipboard into specific account information?

For example, I want to make an automatic login program. Now I can only change the QR code into a link like ss:...

From [Pythondiscussion group] 2017-05-18 10:59:38 0  1  3493

python - How to express the intensity (loudness) of a piece of speech?

I wish to analyze the intensity (loudness) of speech from a piece of speech. Because I am an engineering dog r...

From [Pythondiscussion group] 2017-05-18 10:59:32 0  1  798

python - Can pyspider switch to other db when linking to redis? The default is db0

The configuration file says this: "message_queue": "redis://127.0.0.1:6379/db". In this wa...

From [Pythondiscussion group] 2017-05-18 10:59:31 0  1  839

How to store the analyzed dictionary data in the database in Python 3.5

{Code...} I am using the database linked by pymysql. The statistical data before was a single row, so I used t...

From [Pythondiscussion group] 2017-05-18 10:59:27 0  2  811

python - How to solve the memory leak and suspended animation of pyspider phantomjs?

When crawling, phantomjs will die. How to solve this problem. . .

From [Pythondiscussion group] 2017-05-18 10:59:23 0  1  1282