??????喂????????????????
???????????? ???????[ 2014/12/30 16:17:23 ] ??????????????? ?????? ????
???????????????????
??????????????????????????????泻?????????????纾�??胁?????()?????
????A???????? B????????C????????D????????????
?????????些?1?????????????????????纾�????????????????()(??????)??????????????????????????(???????????????????????????????)????渭???C ?????????纾�???????????????()
????float a=1.of;
????cout<<(int)a< cout<<(int&)a< cout< ??????????4 ??????12 ??
???????????????
????1??????????????4 ???????????????
????2??main(){int *piPointer;char cItem;cItem='a';piPointer=(int *)&cItem;*piPointer=1298;}
??????????????未????械????????????????????????????
????????????????????15 ??
?????????????????????????写sql ???
?????????????????纬????????
????1????SQL ??浣�??????????????????????????????
????2?????????????20-23 ????????
????3??????avg
????4??????update
??????

???路???
??????????????????
2023/3/23 14:23:39???写?貌??????????
2023/3/22 16:17:39????????????????????些??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???路???????路
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11