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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...数据为优先，比如说A机房的站点的数据是优先的，不管怎么样，它就覆盖到B的。
对于缓存。
1、注意切分力度，根据业务选择切分力度。把缓存力度划分的越细，缓存命中率相对会越高。
2、确认缓存的有效生命周期。
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Preferred method to store PHP arrays (json_encode vs serialize)
...f you so wish.
See also http://ilia.ws/files/zendcon_2010_hidden_features.pdf - specifically slides 14/15/16
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Max size of an iOS application
...tion/LanguagesUtilities/Conceptual/iTunesConnect_Guide/iTunesConnect_Guide.pdf
As of July 13, 2012
The above information is still the same with the exception of Over The Air downloads which is now 50MB's. These changes can be found on page 209 of the guide.
As of March 29, 2012 (version 7.4)
The a...
How to create war files
...;nonFilteredFileExtensions>
<nonFilteredFileExtension>pdf</nonFilteredFileExtension>
<nonFilteredFileExtension>png</nonFilteredFileExtension>
<nonFilteredFileExtension>gif</nonFilteredFileExtension>
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List of standard lengths for database fields
...s" and found this doc justice.gov.uk/guidance/docs/electoral-reg-standards.pdf
– Tony R
Oct 22 '10 at 20:03
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What's the best way of implementing a thread-safe Dictionary?
...what's described here: cse.chalmers.se/~tsigas/papers/Lock-Free_Dictionary.pdf or perhaps this implementation: github.com/hackcraft/Ariadne
– Triynko
Nov 4 '13 at 23:15
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Private and protected constructor in Scala
...gramming Scala. Page 60 of Subramaniam's Programming Scala. I don't have a PDF of Beginning Scala with me right now to check it out.
– Daniel C. Sobral
Nov 13 '09 at 18:53
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Effective way to find any file's Encoding
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Thanks @Simon Mourier. I dint expect my pdf / any file would not have bom. This link stackoverflow.com/questions/4520184/… might be helpful for someone who try to detect without bom.
– Ram
Mar 16 '16 at 9:42
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.NET - Dictionary locking vs. ConcurrentDictionary
...Edit: .NET 4 ConcurrentDictionary and patterns.
Microsoft have released a pdf called Patterns of Paralell Programming. Its reallly worth downloading as it described in really nice details the right patterns to use for .Net 4 Concurrent extensions and the anti patterns to avoid. Here it is.
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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...问题，程序根据这个FAT表的簇号依次读取每个簇，则程序怎么知道一个簇读取完毕后这个文件就算读取完毕了？一般地，每个一个记录值为下列表中值，则说明已经读到文件的末尾了。
系统格式
末尾取值
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