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@karpathy
karpathy / pg-pong.py
Created May 30, 2016 22:50
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
@btfak
btfak / useHexo.md
Created May 26, 2016 09:41
How to use Hexo and deploy to GitHub Pages
@subfuzion
subfuzion / curl.md
Last active July 17, 2025 03:17
curl POST examples

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

@nobnak
nobnak / AutoHideCursor.cs
Created February 15, 2016 10:22
Auto Hide Cursor for Unity
using UnityEngine;
using System.Collections;
namespace nobnak.Blending {
public class AutoHideCursor : MonoBehaviour {
public float hideAfterSeconds = 3f;
public float thresholdInPixels = 3f;
float _lastTime;
@Restuta
Restuta / framework-sizes.md
Last active June 11, 2025 03:17
Sizes of JS frameworks, just minified + minified and gzipped, (React, Angular 2, Vue, Ember)

Below is the list of modern JS frameworks and almost frameworks – React, Vue, Angular, Ember and others.

All files were downloaded from https://cdnjs.com and named accordingly. Output from ls command is stripped out (irrelevant stuff)

As-is (minified)

$ ls -lhS
566K Jan 4 22:03 angular2.min.js
@tailriver
tailriver / dlopen_sample.c
Created November 18, 2015 04:21
A sample of using dlopen library.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dlfcn.h>
int main(int argc, char** argv)
{
void *handle;
void (*func_print_name)(const char*);
@shimizu
shimizu / index.html
Last active June 6, 2019 07:50
人型グラフ
<html>
<style>
html, body{
width:100%;
height:100%;
}
svg {
width: 960px;
height:500px;
@mhitza
mhitza / Makefile
Last active June 27, 2025 16:42
Programming Arduino Uno (ATmega386P) in assembly
%.hex: %.asm
avra -fI $<
rm *.eep.hex *.obj *.cof
all: $(patsubst %.asm,%.hex,$(wildcard *.asm))
upload: ${program}.hex
avrdude -c arduino -p m328p -P /dev/arduino-uno -b 115200 -U flash:w:$<
monitor:
@soulik
soulik / html.lua
Last active October 27, 2024 03:25
HTML/XML grammar LPEG parser for Lua
local lpeg = require 'lpeg'
local L = lpeg.locale()
local P,V,C,Ct,S,R,Cg,Cc =
lpeg.P, lpeg.V, lpeg.C, lpeg.Ct, lpeg.S, lpeg.R, lpeg.Cg, lpeg.Cc
local ws = S'\r\n\f\t\v '
local ws0 = ws^0
local ws1 = ws^1
local name = S'_ ' + L.digit + L.alpha
@magnetikonline
magnetikonline / README.md
Last active July 10, 2025 04:51
Bash string manipulation cheatsheet.

Bash string manipulation cheatsheet

Assignment
Assign value to variable if variable is not already set, value is returned.

Combine with a : no-op to discard/ignore return value.
${variable="value"}
: ${variable="value"}