zhangyuchi

if [ ! -z "$ZSH_NAME" ]; then
	setopt shwordsplit
fi

export GOROOT=/opt/go
export GOPATH=$HOME/gowork:$HOME/Projects/qchat/utility:$HOME/Projects/qchat:$HOME/Opensource/etcd:$HOME/Opensource/docker

PATH=$PATH:$GOROOT/bin

for GOP in ${GOPATH//:/ }; do

zhangyuchi

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

zhangyuchi

func (server *Server) Register(rcvr interface{}) error {
	s := new(service)
	s.typ = reflect.TypeOf(rcvr)
	s.rcvr = reflect.ValueOf(rcvr)
	sname := reflect.Indirect(s.rcvr).Type().Name()
	if sname == "" {
		s := "rpc.Register: no service name for type " + s.typ.String()
		log.Print(s)
		return errors.New(s)
	}

zhangyuchi

#Route packets with source addresses from 192.203.80/24 according to routing table inr.ruhep:
ip ru add from 192.203.80.0/24 table inr.ruhep prio 220

#Translate packet source address 193.233.7.83 into 192.203.80.144 and route it according to table #1 (actually, it is inr.ruhep):
ip ru add from 193.233.7.83 nat 192.203.80.144 table 1 prio 320

#Delete the unused default rule:
ip ru del prio 32767

kuznet@amber:~ $ ip ru ls

zhangyuchi

	quitWriteSignal := make(bool chan)
	
	select {
	case quitWriteSignal <- true:
	default:
	}

zhangyuchi

#include <iostream>
#include <tuple>
#include <utility>
 
template<typename Func, typename Tup, std::size_t... index>
decltype(auto) invoke_helper(Func&& func, Tup&& tup, std::index_sequence<index...>)
{
    return func(std::get<index>(std::forward<Tup>(tup))...);
}
 

zhangyuchi

#include <iostream>
using namespace std;

void f()
{
  cout<<"0 args"<<endl;
}
void f(int a)
{
  cout<<"1 args"<<endl;

zhangyuchi

#!/bin/bash

awk -v a=$1 'NR==a {print $1}' $2

zhangyuchi

#include <vector>
#include <algorithm>
 
int main()
{    
    std::vector<int> v{2, 4, 2, 0, 5, 10, 7, 3, 7, 1}; 
    // insertion sort
    for (auto i = v.begin(); i != v.end(); ++i) {
        std::rotate(std::upper_bound(v.begin(), i, *i), i, i+1);
    }

zhangyuchi

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>

typedef unsigned int u32;
typedef unsigned long long u64;

//-------------------------------------------------------------------------
// WorkArea
//-------------------------------------------------------------------------