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How is set() implemented?
I've seen people say that set objects in python have O(1) membership-checking. How are they implemented internally to allow this? What sort of data structure does it use? What other implications does that implementation have?
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“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate
... integration with our email marketing system at random times varying from [1hour - 4 hours]
13 Answers
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What is the difference between Python's list methods append and extend?
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append: Appends object at the end.
x = [1, 2, 3]
x.append([4, 5])
print (x)
gives you: [1, 2, 3, [4, 5]]
extend: Extends list by appending elements from the iterable.
x = [1, 2, 3]
x.extend([4, 5])
print (x)
gives you: [1, 2, 3, 4, 5]
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Function to calculate distance between two coordinates
...g to Google Maps, the distance between these coordinates (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilometres while the function returns 1.6 kilometres. How can I make this function return the correct distance?
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CSS I want a div to be on top of everything
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In order for z-index to work, you'll need to give the element a position:absolute or a positio...
how to return index of a sorted list? [duplicate]
...sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...邮件服务器，公司全部员工使用统一的域名，内网IP为：192.168.0.115
操作系统：RHEL5
所用软件列表：
mysql-5.5.20
postfix-2.9.1
courier-authlib-0.62.4.tar.bz2
extmail-1.2.tar.gz
extman-1.1.tar.gz
Unix-Syslog-1.1.tar.gz
perl-GD-2.35-1.el5.rf.i386....
How is the default max Java heap size determined?
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10 Answers
10
Active
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Are +0 and -0 the same?
Reading through the ECMAScript 5.1 specification , +0 and -0 are distinguished.
9 Answers
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