qiuchengxuan’s gists

qiuchengxuan / gist:55042746682098e5f536

Created March 17, 2015 05:23

Winsock2 server side with random listening port

	WSADATA wsaData;
	int iResult;
	iResult = WSAStartup(MAKEWORD(2,2),&wsaData);
	if (iResult != 0) {
	return;
	}

	SOCKADDR_IN server;
	server.sin_family = AF_INET;
	server.sin_addr.s_addr = INADDR_ANY;

qiuchengxuan / gist:6ae947cd1f6d1fff1a49

Created March 17, 2015 05:27

MFC message only invisible window

	LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
	{
	switch(msg) {
	case WM_CLOSE:
	DestroyWindow(hWnd);
	break;
	case WM_DESTROY:
	PostQuitMessage(0);
	break;
	default:

qiuchengxuan / A simple shell script to attach usb device to kvm

Created September 12, 2015 05:48

A simple shell script to attach usb device to kvm

	#!/bin/bash
	IFS=$'\r\n'
	array=(`lsusb -v 2> /dev/null \| grep "$Bus\\|bInterfaceClass$" \| awk -F ' ' '{if(/Bus/){printf "%s ",$0} else {$1="";$2="-";print $0}}' \| grep -o "ID.*"`)
	for i in `seq 0 $(expr ${#array[*]} - 1)`; do
	echo -n "$i "
	echo "${array[$i]}"
	done
	echo -n "choose usb device: "
	id=`echo ${array[$(read)]} \| grep -o "[0-9]\+:[0-9]\+"`
	virsh list --all

qiuchengxuan / sudoku.py

Last active January 4, 2016 13:42

simple sudoku solver

	#!/usr/bin/python
	# -- coding:utf-8 --
	import sys
	def parse(s):
	return list(map(lambda c : 0 if c == ' ' else ord(c) - ord('0'), s))
	board = [parse(input()) for i in range(9)]
	# s = input()
	# board = [parse(s[i * 9 : i * 9 + 9]) for i in range(9)]
	# input()
	# answer = [parse(input()) for i in range(9)]

qiuchengxuan / netconf_huawei.py

Last active October 20, 2022 18:56

Access Huawei switch via NETCONF with python script

	#!/usr/bin/python
	import sys
	import code
	from lxml import etree
	from lxml.builder import E
	from ncclient import manager

	_, ip, user, passwd = sys.argv

	netconf = manager.connect(host=ip, port=830, username=user, password=passwd,

qiuchengxuan / netconf_h3c.py

Last active December 10, 2017 03:55

Access H3C switch via NETCONF with python script

	#!/usr/bin/python
	import sys
	import code
	from lxml import etree
	from lxml.builder import E
	from ncclient import manager

	_, ip, user, passwd = sys.argv

	netconf = manager.connect(host=ip, port=830, username=user, password=passwd,

qiuchengxuan / huawei_cli.py

Last active July 13, 2023 08:39

Access HUAWEI Switch via CLI with python script

qiuchengxuan / mininet_sshd.py

Created December 10, 2017 03:50

Create a lot of sshd host for testing, based on mininet

	#!/usr/bin/python
	import ipaddress
	import argparse

	from mininet.topo import Topo
	from mininet.nodelib import LinuxBridge
	from mininet.net import Mininet
	from mininet.cli import CLI
	from mininet.util import waitListening

qiuchengxuan / emacs-latest.spec

Last active March 2, 2021 02:06

build latest emacs into rpm package

	Name: emacs25
	Version: 25.3
	Release: 1%{?dist}
	Summary: GNU Emacs

	#Group:
	License: GPL
	URL: http://www.gnu.org/software/emacs/
	Source0: http://mirrors.ustc.edu.cn/gnu/emacs/emacs-%{version}.tar.gz
	BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)

qiuchengxuan / hotplug.sh

Created December 11, 2019 12:56

A simple script to hotplug hard drives on linux

	#!/bin/bash
	entries=($(find /dev/disk/by-id -type l -printf '%l %f\n' \| grep -v '$part\\|wwn$' \| sed 's#../../##g' \| tr '\n' ' '))
	entries+=('' '' 'rescan' 'RESCAN')
	choice=$(whiptail --notags --title "Hotplug" --menu "Select device" 16 100 9 "${entries[@]}" 3>&1 1>&2 2>&3)
	test -n "$choice" \|\| exit 0
	case $choice in
	"rescan")
	echo 'Rescan disks...'
	echo '- - -' > /sys/class/scsi_host/host0/scan

	#!/bin/bash
	IFS=$'\r\n'
	array=(`lsusb -v 2> /dev/null \| grep "\(Bus\\|bInterfaceClass\)" \| awk -F ' ' '{if(/Bus/){printf "%s ",$0} else {$1="";$2="-";print $0}}' \| grep -o "ID.*"`)
	for i in `seq 0 $(expr ${#array[*]} - 1)`; do
	echo -n "$i "
	echo "${array[$i]}"
	done
	echo -n "choose usb device: "
	id=`echo ${array[$(read)]} \| grep -o "[0-9]\+:[0-9]\+"`
	virsh list --all

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