liruqi

class LRUCache(collections.OrderedDict):

    def __init__(self, capacity: int):
        self.maxsize = capacity
        
    def get(self, key: int) -> int:
        if key in self: 
            value = super().__getitem__(key)
            self.move_to_end(key)

liruqi

//Make sure you scroll down to get all data loaded
var text = ''; 
$('.col-email').each(function(index,el) { 
if (index == 0) {
	text = 'Email, First Name, Last Name\n';
}
else {
	//Email
	text = text + $.trim($(el).find("a").text()) + ',';
	//First Name

liruqi

#Ubuntu 16.04

apt install -y python-pip
apt install -y libsodium-dev
pip install https://github.com/shadowsocks/shadowsocks/archive/master.zip

liruqi

iptables -A OUTPUT -p tcp --sport 22 -j ACCEPT
iptables -A OUTPUT -p tcp --dport 80 -j ACCEPT
iptables -A OUTPUT -p tcp --dport 443 -j ACCEPT
iptables -A OUTPUT -p tcp -j REJECT --reject-with tcp-reset

iptables -A FORWARD -p tcp --dport 80 -j ACCEPT
iptables -A FORWARD -p tcp --dport 443 -j ACCEPT
iptables -A FORWARD -p tcp -j REJECT --reject-with tcp-reset

liruqi

import socket
import pprint
import sys 
import os 
import argparse

parser = argparse.ArgumentParser()
parser.add_argument('--input', default='')
parser.add_argument('--output', default='output.txt')
args = parser.parse_args()

liruqi

	resolver 8.8.8.8;
	location /video/ {
                if ($request_uri ~ "^/video/(.+?)/.+") {
                        set $upstream_host $1.googlevideo.com;
                        add_header Content-Disposition "attachment; filename=video.mp4;";
                }
                rewrite /video/.+?/(.+)$ /$1 break;
                proxy_buffering off;
                proxy_pass https://$upstream_host;
                proxy_set_header Host $upstream_host;

liruqi

git clean -xfd
git submodule foreach --recursive git clean -xfd
git reset --hard
git submodule foreach --recursive git reset --hard
git submodule update --init --recursive

liruqi

import random
random.sample(range(1,201), 20)

liruqi

public static readonly Regex
            UrlFinder = new Regex(@"ss://(?<base64>[A-Za-z0-9+-/=_]+)(?:#(?<tag>\S+))?", RegexOptions.IgnoreCase),
            DetailsParser = new Regex(@"^((?<method>.+?):(?<password>.*)@(?<hostname>.+?):(?<port>\d+?))$", RegexOptions.IgnoreCase);

liruqi

Client-side SSL

For excessively paranoid client authentication.

Using self-signed certificate.

Create a Certificate Authority root (which represents this server)

Organization & Common Name: Some human identifier for this server CA.

openssl genrsa -des3 -out ca.key 4096
openssl req -new -x509 -days 365 -key ca.key -out ca.crt