chenyukang

#include <stdio.h>

int main()
{
       return 0;
}

chenyukang

#include <algorithm>
#include <ctime>
#include <iostream>

int main()
{
    // generate data
    const unsigned arraySize = 32768;
    int data[arraySize];

chenyukang

/*******************************************************************************
 *
 *      @name   : DELEGATE_H
 *
 *      @author : BigBird (peng@nextopsoftware.com)
 *      @date   : 2012-10-16 21:58:04
 *
 *      @brief  :
 *

chenyukang

# Class Tree
# ruby prog.rb > class.dot;dot -Tpng class.dot -o class.png;

def readable(str)
  if str.length >= 30
    return false
  end
  for k in 0..str.length-1
    s = str[k]
    if not ((s>='a' and s<='z') or (s>='A' and s<='Z') or (s >='0' and s<='9'))

chenyukang

//http://en.wikipedia.org/wiki/XOR_linked_list
//use one pointer to construct double-link list

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

struct item{
    void* nextprev;

chenyukang

#include <iostream>
#include <string>
#include <vector>
#include <set>
#include <stdio.h>
#include <assert.h>
using namespace std;


enum OpType {

chenyukang

package main

import (
	"flag"
	"fmt"
	"go/ast"
	"go/parser"
	"go/token"
	"io/ioutil"
	"os"

chenyukang

;; golang
(add-to-list 'load-path "~/.emacs.d/go-mode")

(require 'go-mode)
(require 'go-mode-load)
(require 'go-autocomplete)
(require 'auto-complete-config)
(setq gofmt-command "goimports")
(load-file "~/.emacs.d/go-autocomplete.el")
(add-hook 'before-save-hook 'gofmt-before-save)

chenyukang

package main

import "fmt"

// send the sequence of 2, 3, 4, .... to returned channel
func generate() chan int {
	ch := make(chan int)
	go func() {
		for i := 2; ; i++ {
			ch <- i

chenyukang

理论部分

阐述最清楚的两篇是两篇中文的：

PXE 网络批量安装 ubuntu

网路启动服务器安装和配置方法 (pxe+tftp+dhcpd)

ubuntu 的官方文档比较久了，步骤也很繁琐，不推荐。

实践中的坑