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dongweiming /
Created Oct 11, 2016
#/usr/bin/env python
# coding=utf-8
import random
import re
def color(messages):
color = '\x1B[%d;%dm' % (1,random.randint(30,37))
return '%s %s\x1B[0m' % (color,messages)
function __main__(){
local op=${1}
case ${op} in
init ${@}
awjuliani / rl-tutorial-1.ipynb
Last active Apr 8, 2019
Reinforcement Learning Tutorial 1 (Two-armed bandit problem)
View rl-tutorial-1.ipynb
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bishboria /
Last active Dec 8, 2019
Springer made a bunch of books available for free, these were the direct links
dannycastonguay /
Last active Nov 7, 2019
Installing Arch Linux on VirtualBox in Windows 10 for beginners

Installing Arch Linux on VirtualBox in Windows 10

I recently upgraded to a new system, and instead of running Arch Linux natively I've decided to run it inside VirtualBox on Windows 10. Below I note down the steps I took, which closely follow the excellent wiki pages of archlinux. But along the way, I also noted a few other steps steps I took to make this system very comfortable, which you'll have to figure out for yourself if you like them or not!

Setting up Windows 10 to be ready

There isn't much of preparation required, given that I started from scratch, but I did have to setup my windows environment a little bit.

  1. Install the windows package manager chocolatey
  2. Install qBittorrent (which will be used to download an iso copy of arch) by running the following command from the command line choco install qbittorrent (recommended to run the command line as an adm
junzis /
Last active Nov 22, 2019
Python Lowpass Filter
# creating-lowpass-filter-in-scipy-understanding-methods-and-units
import numpy as np
from scipy.signal import butter, lfilter, freqz
from matplotlib import pyplot as plt
def butter_lowpass(cutoff, fs, order=5):
nyq = 0.5 * fs
sevko / microtime.c
Created Mar 21, 2015
Get the current time in microseconds in C.
View microtime.c
#include <sys/time.h>
* Returns the current time in microseconds.
long getMicrotime(){
struct timeval currentTime;
gettimeofday(&currentTime, NULL);
return currentTime.tv_sec * (int)1e6 + currentTime.tv_usec;
evi1m0 /
Last active Nov 19, 2019
12306 新版验证码识别脚本 (已失效)
#!/usr/bin/env python
# coding=utf8
# author=evi1m0
12306 Captcha Picture:
author: Evi1m0@20150316
1. Download Captcha
2. Pic Conver Text
floehopper /
Last active Nov 17, 2019
Install rtl-sdr on Raspian on Raspberry Pi
jamesmead@floehopper.local:~$ sudo dd bs=1m if=/Users/jamesmead/Downloads/2015-02-16-raspbian-wheezy.img of=/dev/disk2
pi@raspberrypi ~ $ sudo raspi-config
# Choose option 1 to "Expand Filesystem" - Ensures that all of the SD card storage is available to the OS
# Choose Finish & reboot

pi@raspberrypi ~ $ sudo apt-get update
fqrouter / readme.txt
Last active Oct 29, 2019
shadowsocks 公共代理的必要设置
View readme.txt
good, 你已经有了一个自己的shadowsocks代理了,现在想要把这个代理公布出去给所有人分享。
1、 shadowsocks的timeout设置
2、 检查操作系统的各种限制
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