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@ryanorsinger
ryanorsinger / installing_anaconda_on_mac.md
Last active April 15, 2025 18:36
Installing Homebrew and Anaconda

Installing Homebrew and Anaconda on a Mac

Install Homebrew

Run the following command on your terminal to install Homebrew. Homebrew is a package manager for Macs and is used to install useful development tools and software.

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Install Anaconda through Homebrew

  1. Run brew install --cask anaconda to install Anaconda
@ih2502mk
ih2502mk / list.md
Last active May 10, 2025 17:35
Quantopian Lectures Saved
@Tushar-N
Tushar-N / pad_packed_demo.py
Last active October 27, 2024 15:17
How to use pad_packed_sequence in pytorch<1.1.0
import torch
import torch.nn as nn
from torch.nn.utils.rnn import pack_padded_sequence, pad_packed_sequence
seqs = ['gigantic_string','tiny_str','medium_str']
# make <pad> idx 0
vocab = ['<pad>'] + sorted(set(''.join(seqs)))
# make model
@jihunchoi
jihunchoi / masked_cross_entropy.py
Last active January 22, 2024 19:20
PyTorch workaround for masking cross entropy loss
def _sequence_mask(sequence_length, max_len=None):
if max_len is None:
max_len = sequence_length.data.max()
batch_size = sequence_length.size(0)
seq_range = torch.range(0, max_len - 1).long()
seq_range_expand = seq_range.unsqueeze(0).expand(batch_size, max_len)
seq_range_expand = Variable(seq_range_expand)
if sequence_length.is_cuda:
seq_range_expand = seq_range_expand.cuda()
seq_length_expand = (sequence_length.unsqueeze(1)
@bsweger
bsweger / useful_pandas_snippets.md
Last active April 4, 2025 21:20
Useful Pandas Snippets

Useful Pandas Snippets

A personal diary of DataFrame munging over the years.

Data Types and Conversion

Convert Series datatype to numeric (will error if column has non-numeric values)
(h/t @makmanalp)