Bo Yang's Blog

CDMA2000 Channel Naming Conventions Manycdma2000 standards refer to logical channels, physical channels, orboth. The following naming conventions apply to all cdma2000 standards. 1 Logical Channel

The Click programming language was developed to configure Click routers, but nowadays you also can use it to write test cases for Click elements.Basic SyntaxElement GroupCompound ElementScriptTe

Problem: when using function socket(AF_INET,SOCK_RAW,IPPROTO_TCP...) with setuid&chroot-ed fake root on Linux servers, it would always fail. However, the real root can work well. Usually the fake

Basic FTP Commands 原文：http://www.cs.colostate.edu/helpdocs/ftp.htmlCommon FTP Commands ? to request help or information about the FTP commands ascii to se

<br />今天碰到这样一个问题：一个程序在刚刚装好的Linux server上获取IP地址时永远都是0x7f000001。一开始没有注意，后来仔细一想，0x7f000001不正好就是127.0.0.1嘛！有同事查了一下/etc/hosts，发现在该文件中有这样一行：<br />127.0.0.1 mylinuxsvr localhost.localhost.localdomain localhost <br />其中，mylinuxsvr是这个server的名字。难怪每次都只能获取到127.0

<br />这两天发现UC Berkely上有一个比较好的课程（http://webcast.berkeley.edu/course_details_new.php?seriesid=2010-B-26275&semesterid=2010-B），可是只能在线观看，是基于flash的视频教程，很是郁闷。<br /> <br />后来在网上终于查到了一个在Linux下下载flash视频的必杀技：/tmp。<br /> <br /><br /> <br /> <br />首先，进入你想要看视频的网站，开始缓冲，

一下代码可以根据host name获得IP地址：#include #include #include #include #include int main(int argc,char **argv){    struct hostent *hptr;    struct in_addr *in_addr_ptr;    char *ptr,**pptr,**listptr,*addr_ptr;  

3 Introduction To Berkeley Sockets3.1 Basic Concepts3.1.1 Binary versus Text-Oriented ProtocolsBefore they can exchange information across the network, hosts have a fundamental choice to make. They ca

原文网址：http://www.techcrunch.com/2008/10/15/what-android-can-learn-from-the-iphone-its-the-software-stupid/尽管我现在既没有iPhone也没有G1，但这篇文章的观点我深表赞同。尽管我一直在用Google的产品，但Google却一次又一次的让我感到失望，比如Gmail，Chrome和Android—

                            FTP Guide A short guide to using FTP ============================# FTP (short for File Transfer Protocol) is extremely useful for transferring

Click is a modular router toolkit written mainly in C++, which can be run in both user space and OS kernel space. Since its invention in late 1990s by Eddie Kohler, Click is has gained great success