大约有 37,000 项符合查询结果(耗时:0.0212秒) [XML]

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Difference between a theta join, equijoin and natural join

...0000 Component(PName, CName, Cost) ============================= Laptop, CPU, 500 Laptop, hdd, 300 Laptop, case, 700 Car, wheels, 1000 The Cartesian product Product x Component will be - bellow or sql fiddle. You can see there are 12 rows = 3 x 4. Obviously, rows like "Laptop" with "w...
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那些年 O2O创业我踩了十个坑 - 资讯 - 清泛网 - 专注C/C++及内核技术

...此一来,公司团队看似整齐而豪华,但内部却出现了很多问题,由于大家背景各异,来自于国企、外企和民企,处事风格完全迥异,很多事情在讨论中反复,反复后再讨论,浪费了大量的时间在开会和制定战略中,而且大家的价...
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通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...没有合理的降级方案,那么结局必然是死路一条。 任何问题一旦脱离了实际情况,便失去了讨论的意义。在继续之前,不妨先介绍一下案例的背景情况:一个PHP网站,以读为主,原本躲在CDN后面,运行很稳定,后来新增了很多...
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GPU Emulator for CUDA programming without the hardware [closed]

...sed tool designed to effectively compile the CUDA programming model to a CPU architecture. It might be useful. Here is a link to the website. CUDA Waste It is an emulator to use on Windows 7 and 8. I've not tried it though. It doesn't seem to be developed anymore (the last commit is dated on ...
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How do I measure execution time of a command on the Windows command line?

... brilliant! Even though, for CPU time it doesn't really help – Elijah Saounkine Jun 10 '11 at 6:55 10 ...
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大数据时代的数据化运营 - 资讯 - 清泛网 - 专注C/C++及内核技术

...下,我们在运营中看到可以获得有效数据的原始数据不是问题,去除无效和虚假的数据才是关键。 相信做发行的同行都知道,在实践中,会遇到通过某些渠道或者是CPS,或者是广告渠道,他们一定会有大量的虚假的数据在里面...
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The point of test %eax %eax [duplicate]

... the operands (registers) as they are and just set/unset specific internal CPU flags like the zero-flag (ZF). You can think at the ZF as a true/false boolean flag that resides inside the CPU. in this particular case, TEST instruction performs a bitwise logical AND, discards the actual result and s...
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Deep Learning(深度学习)学习笔记整理系列之(二) - 大数据 & AI - 清泛...

...试图同时用生理学和计算机的手段,双管齐下,研究视觉问题。 他们收集了很多黑白风景照片,从这些照片中,提取出400个小碎片,每个照片碎片的尺寸均为 16x16 像素,不妨把这400个碎片标记为 S[i], i = 0,.. 399。接下来,...
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Deep Learning(深度学习)学习笔记整理系列之(二) - 大数据 & AI - 清泛...

...试图同时用生理学和计算机的手段,双管齐下,研究视觉问题。 他们收集了很多黑白风景照片,从这些照片中,提取出400个小碎片,每个照片碎片的尺寸均为 16x16 像素,不妨把这400个碎片标记为 S[i], i = 0,.. 399。接下来,...
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Deep Learning(深度学习)学习笔记整理系列之(二) - 大数据 & AI - 清泛...

...试图同时用生理学和计算机的手段,双管齐下,研究视觉问题。 他们收集了很多黑白风景照片,从这些照片中,提取出400个小碎片,每个照片碎片的尺寸均为 16x16 像素,不妨把这400个碎片标记为 S[i], i = 0,.. 399。接下来,...