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ʵ¼ÊÉÏdelÖ»ÊǸɵôÁËÄǸöÃüÃû£¬ÒªÇå³ýÐéÄâ»úÖеÄij¸ö±äÁ¿ÓÐʱºò²¢²»ÈÝÒס£µ±È»£¬Èç¹ûÔÚAPI²ã£¬¿ÉÒÔÖ±½Ó¿ØÖÆÒýÓüÆÊý£¬²»¹ýÒ»°ã»¹ÊDz»ÒªÂÒÓá£

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Óà garbage collector Ä£¿é ,Ïê¼û¡¶python in nutshell¡·

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±äÁ¿=None      ÊÇ·ñ»áÊÍ·ÅÄڴ棿

On 12/21/06, BaoYongjun <byj在net.pku.edu.cn> wrote:
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On 12/21/06, ray zhenlin <ray1.cn在gmail.com> wrote:
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> ±äÁ¿=None      ÊÇ·ñ»áÊÍ·ÅÄڴ棿
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> Èç¹ûûÓбðµÄÒýÓþͻáÊÍ·Å£¬·ñÔò²»»á¡£
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嗯，一般在使用完对象引用后设置为None，会清楚地告诉虚拟机这个变量已经不再使用。能够从某种程度上省去虚拟机判断的时间。


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我看Python2.1宝典时说，Python解释器没有JavaVM那么聪明。Python只要遇到需要释放的变量，就会立即判断，如果没有其他引用就直接删除了。而不是象java那样要等到资源快要用光了的时候才释放。当然JVM也可以手动释放资源。不过Python的你不用担心，只要对象的所有引用都无效了，对象会立即释放的。

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片刻的温暖，之后便失去生命。而很多同类却连这片刻的温暖都没有得到就..
我会得到温暖么？小心翼翼的尝试，却还是会受到伤害。
我愿为那一刻的温暖去拼，可是谁愿意接受?

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Èç¹ûÏñJavaÄÇÑù¸ã£¬Python APIÀïµÄPyObject *½á¹¹£¬´ó¸Å¾Í²»ÄÜÏñÏÖÔÚÕâô¼òµ¥ÁË¡£ÓÐÊÕ»ñ±ØÓи¶³ö°É¡£

2006/12/22, gashero <harry.python在gmail.com>:
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> ÎÒ¿´Python2.1±¦µäʱ˵£¬Python
> ½âÊÍÆ÷ûÓÐJavaVMÄÇô´ÏÃ÷¡£PythonÖ»ÒªÓöµ½ÐèÒªÊͷŵıäÁ¿£¬¾Í»áÁ¢¼´Åжϣ¬Èç¹ûûÓÐÆäËûÒýÓþÍÖ±½Óɾ³ýÁË¡£¶ø²»ÊÇÏójavaÄÇÑùÒªµÈµ½×ÊÔ´¿ìÒªÓùâÁ˵Äʱºò²ÅÊÍ·Å¡£µ±È»JVMÒ²¿ÉÒÔÊÖ¶¯ÊÍ·Å×ÊÔ´¡£²»¹ýPythonµÄÄã²»Óõ£ÐÄ£¬Ö»Òª¶ÔÏóµÄËùÓÐÒýÓö¼ÎÞЧÁË£¬¶ÔÏó»áÁ¢¼´Êͷŵġ£
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