Django Polymorphic behaviour (Custom ForeignKey) without using GenericForeignKey

I’m working with a legacy DB (Postgresql) that has fields like edited_by_type, and edited_by_id in many tables. This is basically a polymorphic relation for RubyOnRails persons. This represents a FK relation to multiple models using combinations of these two fields. for example, the value of edited_by_type can be either user, admin, or client. These are … Read more

tensorboard display imcomplete image

enter image description here why tensorboard display imcomplete image import torchvision from torch.utils.data import DataLoader from torch.utils.tensorboard import SummaryWriter test_data = torchvision.datasets.CIFAR10(root=”../torvision/dataset_test”, train=False,transform=torchvision.transforms.ToTensor()) test_loader = DataLoader(test_data, batch_size=64, shuffle=False, num_workers=0, drop_last=False) writer = SummaryWriter(“loader_log”) step = 0 for data in test_data: img, target = data writer.add_image(“test_data”, img, step) step += 1 step_2 = 0 for data_2 … Read more

when i add .toastring() operator in array of javaScript the length of array increases, Why? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about programming within the scope defined in the help center. Closed 15 hours ago. Improve this question when i add.toString() operator in Array of javascript the length of array was increased why? i … Read more

Namespace issues in C++ when friend function is defined outside class body

Why operator<< for Test struct do not work when defined outside struct body? #include <chrono> #include <ostream> #include <iostream> namespace my::time { std::ostream& operator<<(std::ostream& stream, const std::chrono::system_clock::time_point& time) { stream << “…”; return stream; } } // namespace my::time namespace other_namespace::nested { struct Test { std::chrono::system_clock::time_point _timePoint; friend std::ostream& operator<<(std::ostream& os, const Test& t1); }; … Read more

how do I train YOLOR with rotated bounding box?

for YOLOR I am using this repo: https://github.com/WongKinYiu/yolor While for labeling I am using label studio which gives the opportunity to rotate the bounding boxes to fit perfectly the object I want to use for training. I am using rotated bounding boxes because I am working on aerial images and I want to get rid … Read more

In Dart, is there any way to store a var as a map value and then reassign the map value/var to a new value (pointer, basically)?

I got this code: characteristics = CharacteristicList.fromJson(importer.data[‘characteristic list’] ?? []); starshipCharacteristics .fromJson(importer.data[‘starship characteristic list’] ?? []); skills = SkillList.fromJson(importer.data[‘skill list’] ?? []); obligations = ObligationList.fromJson(importer.data[‘obligation list’] ?? []); motivations = MotivationList.fromJson(importer.data[‘motivation list’] ?? []); … which works ok, but not super pretty and easy to maintain. What I’d really like to do is have a … Read more

error: subprocess-exited-with-error when installing pyaudio

hey guy i got trouble with this, can someone show me what to do Traceback (most recent call last): File “C:\Users\pc\AppData\Local\Programs\Python\Python312\Lib\site-packages\speech_recognition_init_.py”, line 108, in get_pyaudio import pyaudio ModuleNotFoundError: No module named ‘pyaudio’ During handling of the above exception, another exception occurred: Traceback (most recent call last): File “E:\coder ha\nghe.py”, line 4, in with speech_recognition.Microphone() as … Read more

R fill but only one way

enter image description here The above is a table I created from a diagonal matrix style data. the AYDM column is basically a cumulative of the months across the different years. Now, it is in my interest to fill the blanks within the table to it’s most previous value( probably 0). But NOT any values … Read more

How can I merge folders of the same name in powershell?

I have a list of poorly maintained directories which should have the same subdirectories, but over time some of these directories have wound up at the wrong level. I want to move these subdirectories to the correct level using PS Directories Should be Structured: Top Level WrapperFolder SubFolder1 Files SubFolder2 Files But I have directories … Read more