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整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...

...用 IP:(选填,正常情况下留空即可。如果由于域名解析问题导致 UCenter 与该应用通信失败,请尝试设置为该应用所在服务器的 IP 地址。) 通信密钥:(必填,phpcms 的通信密钥必须与此设置保持一致,否则 phpsso 将无法与 U...
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What is a “cache-friendly” code?

...hit/miss usually refers to a hit/miss in the highest level of cache in the CPU -- by highest level I mean the largest == slowest. The cache hit rate is crucial for performance since every cache miss results in fetching data from RAM (or worse ...) which takes a lot of time (hundreds of cycles for RA...
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从估值5千万到一无所有 90后的他感觉梦境一场 - 资讯 - 清泛网 - 专注C/C++...

...O2O现在还没到风口。宠物行业的根本不在这里,这是源头问题。”与此同时,他对爱狗团的方向也进行了调整。夏军原本做的是宠物O2O,类似于美团的团购模式,将买家导入到线下的商户。而他放弃了O2O做法,现在做的模式不像...
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Performance optimization strategies of last resort [closed]

...tion process that at the core was a 3-vector dotted with a 3x3 matrix. The CPU had a matrix multiply in hardware that left out some of the cross terms and went real fast compared to all the other ways to do it, but only supported 4x4 matrices and 4-vectors of floats. Changing the code to carry aroun...
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#pragma pack effect

...alks about some fairly extreme alignment (aligning on 4KB boundaries). The CPU expects certain minimum alignments for various data types, but those require, in the worst case, 8-byte alignment (not counting vector types which may require 16 or 32 byte alignment). Not aligning on those boundaries gen...
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Limitations of SQL Server Express

... There are a number of limitations, notably: Constrained to a single CPU (in 2012, this limitation has been changed to "The lesser of one socket or four cores", so multi-threading is possible) 1GB RAM (Same in 2008/2012) 4GB database size (raised to 10GB in SQL 2008 R2 and SQL 2012) per databa...
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When should I use a table variable vs temporary table in sql server?

...OM master..spt_values v1, master..spt_values v2 SET STATISTICS TIME ON /*CPU time = 7016 ms, elapsed time = 7860 ms.*/ UPDATE @T SET Flag=1; /*CPU time = 6234 ms, elapsed time = 7236 ms.*/ DELETE FROM @T /* CPU time = 828 ms, elapsed time = 1120 ms.*/ UPDATE #T SET Flag=1; /*CPU time = 672 m...
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Controlling fps with requestAnimationFrame?

...actually seems to work in keeping the framerate down and so not cooking my CPU. And it's so simple. Cheers! – phocks Sep 1 '17 at 7:09 ...
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Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:

...ced Compile Options...' (at the bottom of the window tab) and then 'Target CPU' (x86) – Rodolfo Jun 27 '11 at 15:56 1 ...
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Unable to load DLL (Module could not be found HRESULT: 0x8007007E)

...ependencyWalker. It told me that the not all the dependencies had the same CPU type (x86/x64). I copied all the files that had the same CPU type to my application's bin folder, and that resolved the problem. – DiligentKarma May 16 '13 at 17:58 ...