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Java HashMap performance optimization / alternative
...ound 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object:
public int hashCode() {
// assume that both a and ...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...式
二、 基础数据结构
2.1 easy_list_t
2.2 easy_pool_t
2.3 easy_buf_t
2.4 easy_connection_t
三、 连接建立
四、 同步处理(OceanBase少量使用这种模式)
五、 异步处理(OceanBase大量采用这种模式)
六、 资源管理
一、OceanBase启动时的使...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
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3 Answers
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Active
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Read input from console in Ruby?
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230
Are you talking about gets?
puts "Enter A"
a = gets.chomp
puts "Enter B"
b = gets.chomp
c = a....
NSLog an object's memory address in overridden description method
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answered Sep 26 '11 at 12:39
VladimirVladimir
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Two way sync with rsync
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63
Try Unison: http://www.cis.upenn.edu/~bcpierce/unison/
Syntax:
unison dirA/ dirB/
Unison ask...
tag in Twitter Bootstrap not functioning correctly?
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edited Jan 14 '14 at 22:38
Mohamed Anis Dahmani
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answered Jul 20 ...
Haskell: Lists, Arrays, Vectors, Sequences
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348
Lists Rock
By far the most friendly data structure for sequential data in Haskell is the List...
SQL Server Escape an Underscore
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Pang
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answered Aug 8 '08 at 11:59
Lasse V. KarlsenLasse V. Karlsen
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Get just the filename from a path in a Bash script [duplicate]
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answered Jul 29 '10 at 13:29
paxdiablopaxdiablo
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