zhaoyao

import java.nio.ByteBuffer;
import java.util.*;

import static java.lang.Math.log;

/**
 * User: zhaoyao
 * Date: 11-9-24
 * Time: PM10:48
 */

zhaoyao

##########################################  expat   #############################################
cd /usr/local/src
wget http://downloads.sourceforge.net/project/expat/expat/2.0.1/expat-2.0.1.tar.gz?use_mirror=cdnetworks-kr-2
tar zxvf expat-2.0.1.tar.gz·
cd expat-2.0.1
./configure --prefix=/usr/local/expat
make && make install 
mkdir /usr/local/expat/lib64
cp -a /usr/local/expat/lib/* /usr/local/expat/lib64/

zhaoyao

/* tail -- output the last part of file(s)
   Copyright (C) 1989-2012 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of

zhaoyao

避免僵尸进程出现.

如果fork后不进行wait或waitpid，那么子进程将会成会僵尸进程。double fork后, second child成为孤儿进程，由init负责后续的清理工作。

#include <stdio.h>
#include <unistd.h> 
#include <stdlib.h>
#include <sys/wait.h>

zhaoyao

int
is_big_endian()
{
    int test = 1;
    unsigned char *testp = (unsigned char*) &test;
    // test if the high bits is on the left
    return testp[0] == 0;
}

zhaoyao

lua_pushstring与lua_pushlstring
push的string会被memcpy到lua malloc出来的TString中去，会产生一次memcpy

zhaoyao

import java.util.*;

/**
 * User: zhaoyao
 * Date: 11/5/12
 * Time: 11:56 PM
 */
public class Typoglycemia {

    private static final Random rnd = new Random();

zhaoyao

package snip;

import java.io.EOFException;
import java.util.Arrays;
import java.util.PriorityQueue;

/**
 * User: zhaoyao
 * Date: 1/5/13
 * Time: 10:53 PM

zhaoyao

<?xml version="1.0" encoding="UTF-8"?>
<scheme name="SonOfObsidian" version="1" parent_scheme="Default">
  <option name="LINE_SPACING" value="1.0" />
  <option name="EDITOR_FONT_SIZE" value="16" />
  <option name="CONSOLE_FONT_NAME" value="Monospaced" />
  <option name="CONSOLE_FONT_SIZE" value="12" />
  <option name="EDITOR_FONT_NAME" value="Consolas" />
  <colors>
    <option name="CARET_COLOR" value="ffffff" />
    <option name="CARET_ROW_COLOR" value="333333" />

zhaoyao

U=$(echo "$1" | cut -d@ -f1 | cut -d: -f1)
HOSTNAME=$(echo "$1" | cut -d@ -f2 | cut -d: -f1)
PORT=$(echo "$1" | cut -d: -f2)

if [[ $U = $1 ]]; then #no user specified
	U=$(USER)
fi
if [[ $PORT = $1 ]]; then #no port specified
	PORT="22"
fi