stream 重启propagation
This chapter describes the radio propagation models implemented in ns. These models are used to predict the received signal power of each packet. At the physical layer of each wireless node, there is a receiving threshold. When a packet is received, if its signal power is below the receiving threshold, it is marked as error and dropped by the MAC layer. Up to now there are three propagation model...
by yexin218 - 网络技术文档中心 - 2008-07-21 18:41:08 阅读（1031） 回复（0）
ip default-gateway ip default-network and ip route 0.0.0.0 0.0.0.0 可通过以上三个命令来设置默认路由，那区别呢？ 1. ip default-gateway 当router禁止了ip routing时，此时router就类似一个主机，使用ip default-gateway来指定默认路由。 或者当boot mode的时候，router使用tftp来下载IOS，此时ip routing也是被disabled。 2. ip default-network 这个命令只能使用classful network作为参...
环境设置： set echo on; ACCEPT dba_pwd_src PROMPT 'Enter Password of user "sys" to create streams Admin at Source : ' ACCEPT strm_pwd_src PROMPT 'Enter Password of streams Admin "STRMADMIN" to be created at Source : ' ACCEPT dba_pwd_dest PROMPT 'Enter Password of user "sys" to create streams Admin at Destination : ' ACCEPT strm_pwd_dest PROMPT 'Enter Password of streams Admin "STRMADM...
SQL> connect streamadmin/streamadmin Connected. SQL> begin 2 dbms_streams_adm.add_schema_rules( 3 schema_name =>'gyic', 4 streams_type =>'apply', 5 streams_name =>'apply_prim', 6 queue_name =>'streamadmin.prim_queue', 7 include_dml =>true, 8 include_ddl =>true...
[提问]Properties→stream→PropertyResourceBundle？ 在某个场合，需要用Properties生成ResourceBundle。我的思路是把Properties的内容存入流，再由流创建PropertyResourceBundle，相关部分代码如下： [code] if (!props.isEmpty()) { PipedOutputstream pos = new PipedOutputstream(); PipedInputstream pis = new PipedInputstream(pos); props.store(pos, "Combined"); ResourceBundle rb = new Prop...
有一台HP服务器，开机8、9个小时以后，偶尔会出现登录失败，这时看syslog里会不断出现如下提示： inetd[19843]: accept: (for telnet) Out of stream resources 系统参数作过一些调整，但是上述现象还是会出现。 要怎么作呢？
Java IO stream 总结 stream 是在编程语言中对输入输出的总称 （一种比喻的称谓。stream 为流水，输入输出实际上就是指数据的流动，数据由一个地方运动的另一个地方，就像流水一样，程序员将输入输出比作流水，再恰当不过了。) 流按照其所载内容分类，大致可分为字节流和字符流两大类 字节流 （Byte stream） 在计算机中，byte是相当于机器语言中的单词，他在Java中统一由Inputstream和Outputstream作处理。 字符流（Charac...
We all know write a string to a file is simple. Such as: [code] import java.io.*; class FileWrite { public static void main(String args[]) { try{ // Create file FileWriter fstream = new FileWriter("out.txt"); BufferedWriter out = new BufferedWriter(fstream); out.write("Hello Java"); //Close the output stream out.close(); }catch (Exception e){//Catch exc...
Java中，我们称可以从其中读入字节序列的对象为输入流(input stream)；而将由字节序列写入的对象称为输出流(output stream)。两个重要的抽象类：Inputstream和Outputstream。为了处理Unicode编码的字符，引入另两个抽象类：Reader和Writer，它们分别用于读、写基于双字节的字符。 Inputstream有一个抽象方法 abstract int read() 用于读入一个字节，并返回读入的字节；如果到达输入流尾将返回-1。 同样的，Outputstream也定义了一个...
