How to use matplotlib without X-Window-Server
import matplotlib matplotlib.use('Agg') import matplotlib.pyplot as plt fig = plt.figure() ax1 = fig.add_subplot(1, 1, 1) ax1.plot(range(20)) ax1.grid() fig.savefig('aaa.png')
Tech
kevin-tofu Bad Tips: download files without using SSL authentication
About If you don’t have SSL certificate, downloading files sometimes get failed. And the error like ssl.SSLError happens. Here shows…
How to Clip media using ffmpeg
ffmpeg -i input.mp3 -ss 00:00:00 -t 00:04:00 -acodec copy output.mp3
How to get client identification number websocket/FastAPI
@app.websocket("/ws") async def websocket_endpoint(ws: WebSocket): await ws.accept() key = ws.headers.get('sec-websocket-key')
Python dataclass Cheatsheet
Saving memory Specifying slots causes the instance’s attribute values to be stored in the form of an array of slots…
How to get task_id from Celery/Python
1. by using bind=True For using function over Celery, it is required to use a function ‘Decorator’ in Python primitive.…
Why rabbitmq supports multiple port
RabbitMQ can use multiple ports. This is done to support multiple protocols. For example, RabbitMQ uses port 5672 to communicate…
How to convert skimage to PIL image, to bytes and post the bytes image to http-server using python requests
convert skimage to PIL image to bytes, post it Another example
Dynamically change class to be imported in Python based on string
class_name = None if pattern == 'test-a': class_name = 'TestA' elif pattern == 'test-b': class_name = 'TestB' if class_name is…
Explicity download and load a model by specifing the local path in Huggingface
import huggingface_hub download_path = huggingface_hub.snapshot_download( repo_id=model_name, local_dir=dir_path ) model = BertModel.from_pretrained(model_name, cache_dir=dir_path)