Using an extremely long List in Python results in excessive memory usage

I need to use a List with a length of more than 500,000 in a program, but the result is that the memory usage ...

From [Pythondiscussion group] 2017-07-05 10:51:29 0  1  1474

python2.7 - Python module installation failed

What I learned was exercise 46 in "Learning Python the Hard Way". After writing setup.py, a problem ...

From [Pythondiscussion group] 2017-07-05 10:47:44 0  1  1198

django - Python error: [Errno 99] Cannot assign requested address

{Code...} I couldn’t find the corresponding question on google, please help if I’m new to py~~

From [Pythondiscussion group] 2017-07-05 10:46:18 0  1  2580

python sqlite3 long statement insertion error

Python uses sqlite3 to insert long statements. The following is the source code for Python 2.7, as well as the...

From [Pythondiscussion group] 2017-07-05 10:35:44 0  1  1100

Python how to extract all ID names and CLASS names from css files

There is a requirement to extract all ID names and CLASS names from css files into two lists. Can this functio...

From [Pythondiscussion group] 2017-07-05 10:35:41 0  1  1207

python - Installation of pycrypto in pycharm failed

sudo pip install pycrypto always fails to install. Creating a new virtual environment and installing it also f...

From [Pythondiscussion group] 2017-07-05 10:35:37 0  1  1793

How to prevent injection when Flask uses rich text programmer

Is there any ready-made library? Or how to deal with it

From [Pythondiscussion group] 2017-07-05 10:35:32 0  1  938

Python determines whether a variable exists

How to determine if a variable exists in Python? {Code...} This way, you can make a judgment before making a d...

From [Pythondiscussion group] 2017-07-05 10:35:30 0  1  1208

Python gets part of the data from the text?

I want to remove the key:value before the first decimal in each line, and remove the key and colon of the firs...

From [Pythondiscussion group] 2017-07-05 10:35:28 0  2  924

How to add a cover to mp3 using python?

I searched a lot on Baidu and Google, and finally found two examples on stackoverflow, but neither worked. Exa...

From [Pythondiscussion group] 2017-07-05 10:35:26 0  1  1061

Decryption - How to use python to decode some Chinese garbled characters?

When using Excel in English win10 to open a csv file containing Chinese characters exported from other softwar...

From [Pythondiscussion group] 2017-07-05 10:35:24 0  3  1033

Can html replace string?

Website framework: flask background extracts data from the database and passes a parameter to the front end [1...

From [Pythondiscussion group] 2017-07-05 10:35:15 0  1  905

python - What are these two places?

As shown in the first position in the picture, why are there two slashes? Why does the second position report ...

From [Pythondiscussion group] 2017-07-05 10:35:11 0  1  945

Newbie - Python crawler problem help

Problem description: ValueError: unsupported format character 'j' (0x6a) at index 21, which is the 6th line fr...

From [Pythondiscussion group] 2017-07-05 10:35:09 0  1  914

[Python Newbie] Asking questions about the order of properties

The code is as follows: {Code...} Running results: In the code, for the property part, get is in front and set...

From [Pythondiscussion group] 2017-07-05 10:35:06 0  1  794