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     ÓÉÓÚ¹¤×÷ÓÐÐèÒªºÍµÚÈý·½MQͨÐÅ£¬ÒòΪÒÔǰûÓÐÕû¹ýMQ£¬ËùÒÔ¶ÔÓÚÎÒÀ´ËµºÜİÉú¡£ÔÚÍøÉÏÒ²²é¿´ÁËһЩ¾­Ñ飬ÔÙ¼ÓÉϸöÈ˵Äʵ¼ù£¬Ð¡×ܽáÈçÏ£º
     MQµÄ°²×°°üÊÇISO£¬ËùÒÔÐèÒª½«ISOÎļþmountµ½LinuxµÄÒ»¸öĿ¼ÏÂÃæ£¬¾ßÌå²Ù×÷ÈçÏ£º
     ¼ÙÈçÄãÑ¡¶¨µÄmountĿ¼Ϊ¸ùĿ¼ÏÂmnt/ÏÂÃæ£¬»òÕßÏÂÃæÄãн¨Ò»¸öĿ¼¿ÉÒÔmkdirÒ»¸öĿ¼¡£ÎÒÊÇÖ±½Ó·ÅÔÚmntĿ¼ÏÂÃæµÄ£º
     ISOÎļþ·ÅÔÚ/home/afe/MQinstall/ÏÂÃæ£¬Ãû×ÖΪMQ_6.0_Linux_x86-64.iso ÄÇô¿ÉÒÔÓÃÃüÁ
     mount -o loop /home/afe/MQinstall/MQ_6.0_Linux_x86-64.iso    /mnt/cd1
     Õâ¸öʱºò£¬ISOÎļþÖеÄrpmÎļþ¶¼³öÏÖÔÚÁË/mntÏÂÃæ¡£
     ±¸×¢£ºÊ¹ÓÃmountÐèÒªrootȨÏÞ¡£
     Èç¹ûÄãµÄ°²×°°üÊÇ.tar.gzÎļþ£¬ÄǾͿÉÒÔÊ¡ÂÔÒÔÉÏÒ»¸ö²½Ö裺ֱ½Ó½âѹ
     tar -zxvf    MQ_6.0_Linux_x86-64.tar.gz
     ½ÓÏÂÀ´²½ÖèÈçÏ£º
     1£º´´½¨WebSphere MQ ±ØÐèµÄÎļþϵͳ£¬ÃüÁîÈçÏ£º
          mkdir /opt/mqm # for product code
          mkdir /var/mqm # for working data
       ÎÒ´ÓÍøÉÏ¿´µ½ËµMQ°²×°Ê±ºòĬÈϵÄĿ¼¾ÍÊÇÕâÁ½¸ö£¬Òâ˼¿ÉÒÔû±ØÒª½¨£¬µ«ÊÇΪÁ˱£ÏÕ»¹ÊÇ×Ô¼ºÊÖ¹¤½¨Á¢Ò»Ï¹þ¡£
     2£º´´ÔìMQÓû§ºÍÓû§×飬ÃüÁîÈçÏ£º
        groupadd mqm
        useradd -d /var/mqm -g mqm -G mqm mqm
        passwd mqm # change password to "password"
        Ö»ÓаÑmqmÃÜÂë¸ÄÁË£¬²ÅÄÜʹÒÔÉÏÉúЧ¡£
     3£ºÎªmqmÓû§×éÌí¼Óroot×é
        cd /etc
        vi group
        ÐÞ¸Ä mqm:!:1007:mqm ? mqm:!:1007:mqm,root
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ʵսLinux Bluetooth±à³Ì£¨Èý£© HCI²ã±à³Ì

1. HCI²ãЭÒé¸ÅÊö£º
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ÔÚHostÕâÒ»¶Ë£ºapplication,SDP,L2capµÈЭÒé ......

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Ò»£ºL2CAPЭÒé¼ò½é£º
Logical Link Control and Adaptation Protocol(L2CAP)
Âß¼­Á¬½Ó¿ØÖƺÍÊÊÅäЭÒé (L2CAP) ΪÉϲãЭÒéÌá¹©ÃæÏòÁ¬½ÓºÍÎÞÁ¬½ÓµÄÊý¾Ý·þÎñ£¬²¢Ìṩ¶àЭÒ鹦ÄܺͷָîÖØ×é²Ù×÷¡£L2CAP ³äÐíÉϲãЭÒéºÍÓ¦ÓÃÈí¼þ´«ÊäºÍ½ÓÊÕ×î´ó³¤¶ÈΪ 64K µÄ L2CAP Ê ......

[C++] LinuxϵÄitoaº¯Êý

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//return the length of result string. support only 10 radix for easy use and better performance
int my_itoa(int val, char* buf)
{
    const int radix = 10;
    char* p;
    int a;&nbs ......

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