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karpathy
/ min-char-rnn.py
Last active
November 18, 2024 08:51
Minimal character-level language model with a Vanilla Recurrent Neural Network, in Python/numpy
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| """ | |
| Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy) | |
| BSD License | |
| """ | |
| import numpy as np | |
| # data I/O | |
| data = open('input.txt', 'r').read() # should be simple plain text file | |
| chars = list(set(data)) | |
| data_size, vocab_size = len(data), len(chars) |
nik-hil
/ MultipleFieldLookupORMixin.py
Last active
May 7, 2024 10:47
Django REST framework support only one lookup field at a time. To support more than one field we have to use MultipleFieldLookupMixin. But it has a limitation. It require all fields to be present in URL. I have different requirement. I can call view using two differnet identifier.
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| class MultipleFieldLookupORMixin(object): | |
| """ | |
| Actual code http://www.django-rest-framework.org/api-guide/generic-views/#creating-custom-mixins | |
| Apply this mixin to any view or viewset to get multiple field filtering | |
| based on a `lookup_fields` attribute, instead of the default single field filtering. | |
| """ | |
| def get_object(self): | |
| queryset = self.get_queryset() # Get the base queryset | |
| queryset = self.filter_queryset(queryset) # Apply any filter backends | |
| filter = {} |
kastnerkyle
/ painless_q.py
Last active
August 18, 2023 09:32
Painless Q-Learning Tutorial implementation in Python http://mnemstudio.org/path-finding-q-learning-tutorial.htm
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| # Author: Kyle Kastner | |
| # License: BSD 3-Clause | |
| # Implementing http://mnemstudio.org/path-finding-q-learning-tutorial.htm | |
| # Q-learning formula from http://sarvagyavaish.github.io/FlappyBirdRL/ | |
| # Visualization based on code from Gael Varoquaux [email protected] | |
| # http://scikit-learn.org/stable/auto_examples/applications/plot_stock_market.html | |
| import numpy as np | |
| import matplotlib.pyplot as plt | |
| from matplotlib.collections import LineCollection |