Çë½Ì Ruby ´úÂë ת»»³É java´úÂë
Ruby ´úÂëÈçÏ£º
class Array
def uniq_by
seen = {}
select{ |x|
v = yield(x)
!seen[v] && (seen[v]=true)
}
end
end
Çójava´úÂ루javaα´úÂëÒ²¿ÉÒÔ£©
Python¾ÍºÃÁË£¬Ruby²»¶®£¬°ï¶¥
seen = {}
t = fun(x)
seen[t] ²»´æÔÚ
seen[t] = true
Õâ¸öfun ÓëÄãÓÃÕâ¸ö·½·¨µÄblock ÓйØ
´úÂëºÃÏñºÜ¼òµ¥,²é²é×ÊÁÏ,×Ô¼º·ÒëÒÔϰÉ.
Ïà¹ØÎÊ´ð£º
ÎÒĿǰÔÚ±¾µØµÄlinuxÉÏдÁËÒ»¸öswingµÄ½çÃæ£¬Ïëͨ¹ýÕâ¸ö½çÃæÀ´¿ØÖÆÆäËüµçÄÔµÄlinuxÖØÆô¡£
ÎÒÖªµÀÓÃRuntime.getRuntime().exec("shutdown -r");¿ÉÒÔ¿ØÖƱ¾»úLinuxÖØÆô£¬µ«ÊÇÔõô¿ØÖÆÔ¶³ÌµÄlinuxÖØÆôÄØ£¿ ......
²àÖØÓÚ»¥ÁªÍø¿ª·¢
JAVA¿ª·¢¹¤³Ìʦ
ְλÃèÊö£º
1¡¢°´USECASE½øÐÐÒµÎñÐèÇó·ÖÎöºÍÈí¼þ¸ÅÒªÉè¼Æ£»
2¡¢½øÐÐÈí¼þÏêϸÉè¼ÆºÍ±àÂëʵÏÖ£¬È·±£ÐÔÄÜ¡¢ÖÊÁ¿ºÍ°²È«£»
3¡¢Î¬»¤ºÍÉý¼¶ÏÖÓÐÈí¼þ²úÆ·£¬¿ìËÙ¶¨Î»² ......
ÎÊÌâÃèÊö£ºÐ´ÈÕÖ¾¹¦ÄÜ£¬Ð´ºÃµÄдÈÕÖ¾·þÎñ£¬ÆäËûÓû§Í¨¹ýhttpµ÷Ó÷þÎñ£¬´«Èë²ÎÊý£¬È»ºó¼Ç¼ÈÕÖ¾£¬
ÎҵķþÎñ¸ÃÔõôд£¬ ±ðÈËÔõôͨ¹ýhttpµ÷ÓÃÎҵķþÎñ£¬ÎÒÓÃwebserviceдºÃÁËÒ»¸ö£¬¿ÉÊDz¢·¢ÓÐÉÏÏߣ¬Ïë¸ÄÓ ......
ÎÒÏëÓÃJavaдһ¸ö³ÌÐò£¬¾ÍÊÇÎÒÏëÔÚÔËÐдúÂëºó£¬ÔÚÖ¸¶¨µÄʱ¼ä´ò¿ªÄ³³ÌÐò£¬ÀýÈçÎÒÔËÐдúÂëºó£¬½²ÔÚ12£º00´ò¿ª"D:\Program Files\Tencent\QQ2009\Bin\QQ.exe"Õâ¸ö³ÌÐò£¬Çó¸ßÈËÖ¸µã¡£»¹ÓпÉÄܵϰÔÚÖ¸¶¨µÄʱ¼ä ......
select a.name as parename ,b.name as chliname,a.typeId as paretype,b.typeid as chlitype from prodkind a inner join prodkind b where a.typeId=b.parentId
²é³öÀ´µÄ×Ö¶ÎÃû³Æ²»ÊÇ parename ¶øÊÇname
se ......