python dict µÄÄÚ´æ¿ØÖÆ
ϱßÊÇÎÒдµÄÒ»¶Î´úÂë£¬Ëæ»úÉú³É100ÍòÌõ4ÁÐÊý¾Ý£¬²¢·Åµ½dictÀï±ß£¬È»ºó°ÑÄÚÈÝдµ½txtÎļþÖÐ
Python code:
#!/usr/bin/python2.5
import random
import time
time.sleep(5)
shapes = {}
print "--------------START---------------------------"
for i in range(1000000):
shape_id = str(random.randint(0, 10000))
r1 = str(random.randint(0, 1000000))
r2 = str(random.randint(0, 1000000))
r3 = str(random.randint(0, 1000000))
r4 = str(random.randint(0, 1000000))
shapes.setdefault(shape_id, []).append([r1, r2, r3, r4])
print '---------------Dictionary---------------------'
time.sleep(5)
f = open("test.txt", "w")
for shape_id, res in shapes.items():
for (r1, r2, r3, r4) in res:
f.write(shape_id + ',' + r1 + ',' + r2 + ',' + r3 + ',' + r4 + '\n')
f.close()
µ±ÎÒÖ´ÐеÄʱºò£¬Éú³ÉÁËshapesµÄʱºòÄÚ´æÕ¼Óõ½´ïÁË200MB¶à£¬µ«ÊÇÉú³ÉÎļþµÄʱºòÖ»ÓÐ30MB¶àÒ»µã£¬ÕâÊÇΪʲôÄÜ£¿Õâ¸ö°ì·¨ÄÜ·ñÓÐÓÅ»¯£¬ÒòΪÎÒ¿ÉÄÜÒªµ¼Èë500MµÄÎļþ£¬ÏñÕâÑùµÄ»°¿ÉÄÜÐèÒª3-4gµÄÄÚ´æ¿Õ¼äÀ´´æ´¢Ëü£¬µ«ÊDZ¾µØµÄÄÚ´æÏÔÈ»²»¹»£¬²»ÖªµÀ´ó¼ÒÓÐûÓа취À´ÓÅ»¯Ëü£¿
лл
лл¥ÉϵÄ
ÎÒµÄÎÊÌâÊÇ20mbµÄÊý¾Ýµ¼Èëµ½DICTÖУ¬ÄÚ´æÕ¼ÓÃÁË100¶àMB
Óа취½â¾öÕâ¸öÎÊÌâÂð£¿
ºÃÏñbsDDB Ö»Äܱ£´æString¡£
ÎÒµÄKEY ÊÇÒ»¸öID £¬¶ÔÓ¦×ÅÒ»¸ölist,list ÖÐÓкܶàtuple£¬ÀýÈç
123=>[(2,3,4),(3,4,5)...]
234=>[(2
Ïà¹ØÎÊ´ð£º
ÎÒÏÖÔÚÊÇÕâÑùµÄ
¿ªÁËÒ»¸ö×ÓỊ̈߳¬¶ÁÈ¡ÏÂÃæµÄÏûÏ¢
±¾ÒâÊÇ
Python code:
while not self._stopevent.isSet( ):
re=¶ÁȡϲãÏûÏ¢
if re>0:
´¦Àí
else:
pass
¼ÙÈ ......
ʹÓÃÔ´Îļþ
#!/usr/bin/python
# Filename : helloworld.py
print 'Hello World'
ÎÒÔõôҲ¿´²»¶®£¡Ö»ÊÇ×îºóÒ»ÐÐÎÒÖªµÀ~~Ç°ÃæÁ½ÐÐÊÇʲôÒâË¼ÄØ£¿
½Ì³ÌÉÏ˵Èç¹ûÄãʹÓÃIDLE£¬ÇëʹÓò˵ ......
´úÂë:
timeout = 10
socket.setdefaulttimeout(timeout)
sock = urllib2.urlopen(url)
html = sock.read()
Ò»°ãÇé¿öÄÜÐУ¬ÔËÐÐûÎÊÌ⣠......
void xxx(int& x)
{
x = 100;
}
def("xxx", xxx);
import y
a = 0
y.xxx(a)
±¨´íÁË£º
ArgumentError: Python argument types in
L0_L ......
Python¡¢LuaµÈ½Å±¾ÓïÑÔÖÐÒ»Çж¼ÊǶÔÏ󣬶ÔÏóÓÃÖ¸Õë±êʶ£¬µ«ÕâЩÓïÑÔÖÐÊÇÈçºÎÅжÏÖ¸ÕëÓÐЧµÄÄØ£¿
ÀýÈ磬һ¸öº¯ÊýÖÐij¸ö²ÎÊýÊÇÖ¸Õ루ָÏòÒ»¸ö¶ÔÏ󣩣¬ÔÚº¯ÊýµÄÄÚ²¿ÊµÏÖÖУ¬Èç¹ûÖ±½Ó¶ÔÖ ......