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Tag: python

Python MySQL connector – unread result found when using fetchone

I am inserting JSON data into a MySQL database I am parsing the JSON and then inserting it into a MySQL db using the python connector Through trial, I can see the error is associated with this piece of code I have inserted higher level details and am now searching the database to associate this lower level in…

Entry message: [MSC v.1500 64 bit (AMD64)] on win32

I was wondering in, when I start python I get the following message: I am using 64 bit python but why does it mention win32 as opposed to win64? Answer win32 is the general name for the Windows NT/95 API, whether you are on a 32-bit or 64-bit OS (or even using Win32s on a 16-bit OS).* The 64 bit

RandomForestClassifier import

I’ve installed Anaconda Python distribution with scikit-learn. While importing RandomForestClassifier: from sklearn.ensemble import RandomForestClassifier I have the following error: File “C:Anacondalibsite-packagessklearntreetree.py”, line 36, in <module> from . import _tree ImportErr…

Kivy – Bind Label Text To Variable (Python Only)

I have been trying to get my labels to auto-update themselves for quite a while now and I have read over a dozen StackOverflow questions but to no avail. I have an global object that contains an integer value that I want to be displayed with a label inside of one of my widget classes. The widget class looks l…

find words of length 4 using regular expression

I am trying to find words in regular expression with length 4 I am trying this but I am getting an empty list: What is wrong with my code ? my input is: here we are having fun these days my expected output: [‘here’, ‘days’] my output: [] Answer Use word boundaries b. When you add ancho…

Django error: relation “users_user” does not exist

I’m getting the following error during migration: django.db.utils.ProgrammingError: relation “users_user” does not exist This is my model: Settings: Anything I have missed? Answer Inside your user app, you should have a folder migrations. It should only contain 0001_initial.py and __init__.p…

Capturing video from two cameras in OpenCV at once

How do you capture video from two or more cameras at once (or nearly) with OpenCV, using the Python API? I have three webcams, all capable of video streaming, located at /dev/video0, /dev/video1, and /dev/video2. Using the tutorial as an example, capturing images from a single camera is simply: And this works…