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What integer hash function are good that accepts an integer hash key?
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Knuth's multiplicative method:
hash(i)=i*2654435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit:...
What's a monitor in Java?
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30
Erm, not exactly. Each object automatically has a monitor (mutex) associated with it, regardless of anything else. When you declare a meth...
Building a minimal plugin architecture in Python
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edited Apr 13 '15 at 8:26
desolat
3,86366 gold badges2929 silver badges4545 bronze badges
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...议架构与通信模式
2. 消息质量等级（QoS）详解
3. 主题设计与最佳实践
完整实战项目：智能温室控制系统
项目概述
系统架构设计
1. 主题设计策略
2. 连接管理与重连机制
3. 传感器数据...
What's the opposite of chr() in Ruby?
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answered Dec 10 '13 at 17:50
Rob CameronRob Cameron
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Calculate a Running Total in SQL Server
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135
Update, if you are running SQL Server 2012 see: https://stackoverflow.com/a/10309947
The probl...
Limit File Search Scope in Sublime Text 2
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319
Add and edit this in your ~/Library/Application Support/Sublime Text 2/Packages/User/Preferenc...
How do I properly compare strings in C?
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MysticialMysticial
425k4141 gold badges314314 silver badges319319 bronze badges
10
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What is the fastest way to compare two sets in Java?
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Line
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answered Jul 27 '10 at 6:31
Noel MNoel M
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How to strip all non-alphabetic characters from string in SQL Server?
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367
Try this function:
Create Function [dbo].[RemoveNonAlphaCharacters](@Temp VarChar(1000))
Retu...