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Murphy mashoujiang

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mashoujiang / gist:0eb3aed7273d0ac0fee2d3f93eb1cb10
Last active October 5, 2022 15:21
One interesting C++ template programming case

When reading binlog, I found one interesting code like below, just keep in mind here

#include <type_traits>
#include <cstdint>
#include <iostream>

struct Base{
  int32_t i_data {123};
  uint64_t u_data {123};
  double d_data {123.0};
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mashoujiang / pg-pong.py
Created March 21, 2018 01:31 — forked from karpathy/pg-pong.py
Training a Neural Network ATARI Pong agent with Policy Gradients from raw pixels
""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym
# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward