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@bstriner
bstriner / keras_backend_optimizer_example.py
Last active October 13, 2021 01:23
How to use Keras backend and optimizers directly outside of a Keras model
from keras.optimizers import Adam
from keras import backend as K
from keras.datasets import mnist
from keras.utils.np_utils import to_categorical
from keras.metrics import categorical_accuracy
from keras.initializations import glorot_uniform, zero
import numpy as np
# inputs and targets are placeholders
input_dim = 28*28
@ipbastola
ipbastola / clean-up-boot-partition-ubuntu.md
Last active August 16, 2024 13:39
Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Reference

Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r 
# Context manager to generate batches in the background via a process pool
# Usage:
#
# def batch(seed):
# .... # generate minibatch
# return minibatch
#
# with BatchGenCM(batch) as bg:
# minibatch = next(bg)
# .... # do something with minibatch
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@karpathy
karpathy / min-char-rnn.py
Last active November 20, 2024 02:50
Minimal character-level language model with a Vanilla Recurrent Neural Network, in Python/numpy
"""
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)
@P7h
P7h / tmux__CentOS__build_from_source.sh
Last active May 2, 2024 01:27
tmux 2.0 and tmux 2.3 installation steps for Ubuntu. Or build from tmux source v2.5 for Ubuntu and CentOS.
# Steps to build and install tmux from source.
# Takes < 25 seconds on EC2 env [even on a low-end config instance].
VERSION=2.7
sudo yum -y remove tmux
sudo yum -y install wget tar libevent-devel ncurses-devel
wget https://github.com/tmux/tmux/releases/download/${VERSION}/tmux-${VERSION}.tar.gz
tar xzf tmux-${VERSION}.tar.gz
rm -f tmux-${VERSION}.tar.gz
cd tmux-${VERSION}