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Python Cheatsheet
=================

 ################################ Input & Output ###############################
name = input('please enter your name: ')
print('hello,', name)
ageStr = input('please enter your age: ')
age = int(ageStr)

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#include <cstdio>
#include <algorithm>

const int MAX_N = 20;
int n;
bool state[MAX_N];
int count_op = 0;

void print_state()
{

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# Rewrite HTTPs request headers to add "X-Real-IP: <Any-IP-Addr-From-CN>"
# You may need: https://lite.ip2location.com/china-ip-address-ranges

[rewrite_local]
^https?://(\w+\.)?music\.163\.com/.* url request-header (\r\n)User-Agent: request-header $1X-Real-IP: 111.72.0.1$1User-Agent:

# MITM is required to decrypt the HTTPs traffics of Netease Music App

[mitm]
hostname = *.music.126.net, *.music.163.com

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route add -net  114.212.0.0/16   gw 172.26.0.1
route add -net  172.16.0.0/12    gw 172.26.0.1
route add -net  210.28.128.0/20  gw 172.26.0.1
route add -net  58.192.32.0/20   gw 172.26.0.1
route add -net  58.192.48.0/21   gw 172.26.0.1
route add -net  202.38.2.0/23    gw 172.26.0.1
route add -net  202.38.143.0/24  gw 172.26.0.1
route add -net  202.119.32.0/19  gw 172.26.0.1
route add -net  210.29.240.0/20  gw 172.26.0.1
route add -net  219.219.112.0/20 gw 172.26.0.1

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import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

public class TestArrayBlockingQueuePerf {

    private static final int CHANNEL_NUM = 8;
    private static final int CHANNEL_BUFFER_SIZE = 65536;

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Postgres Cheatsheet

This is a collection of the most common commands I run while administering Postgres databases. The variables shown between the open and closed tags, "<" and ">", should be replaced with a name you choose. Postgres has multiple shortcut functions, starting with a forward slash, "". Any SQL command that is not a shortcut, must end with a semicolon, ";". You can use the keyboard UP and DOWN keys to scroll the history of previous commands you've run.

Setup

installation, Ubuntu

http://www.postgresql.org/download/linux/ubuntu/ https://help.ubuntu.com/community/PostgreSQL

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Index: ppp-2.4.7/pppd/chap-md5.c
===================================================================
--- ppp-2.4.7.orig/pppd/chap-md5.c	2014-08-09 12:31:39.000000000 +0000
+++ ppp-2.4.7/pppd/chap-md5.c	2014-09-28 15:05:32.517737058 +0000
@@ -1,6 +1,12 @@
 /*
  * chap-md5.c - New CHAP/MD5 implementation.
  *
+ * Modified for Damning China Telecom Campus Broadband Access.
+ *

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2018/07/26-10:37:02.433656 700001119000 RocksDB version: 5.14.2
2018/07/26-10:37:02.433730 700001119000 Git sha rocksdb_build_git_sha:5089e121166c46956a8a21c8ef967f1896c239de
2018/07/26-10:37:02.433733 700001119000 Compile date Jul  6 2018
2018/07/26-10:37:02.433735 700001119000 DB SUMMARY
2018/07/26-10:37:02.433781 700001119000 SST files in /Users/eric/Desktop/RocksDBTest dir, Total Num: 0, files: 
2018/07/26-10:37:02.433784 700001119000 Write Ahead Log file in /Users/eric/Desktop/RocksDBTest: 
2018/07/26-10:37:02.433786 700001119000                         Options.error_if_exists: 0
2018/07/26-10:37:02.433790 700001119000                       Options.create_if_missing: 1
2018/07/26-10:37:02.433791 700001119000                         Options.paranoid_checks: 1
2018/07/26-10:37:02.433792 700001119000                                     Options.env: 0x1157c4a18

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import akka.actor._
import akka.pattern.ask
import scala.collection.mutable
import scala.concurrent.Await
import scala.concurrent.duration._

case class AddCount(word: String)
case class ReportCount(word: String)

class WordCountActor extends Actor {

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安装 shadowsocks-libev

参考 https://teddysun.com/358.html

配置文件

vim /etc/shadowsocks-libev/redir.json

{