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为维护国家安全 中国限制出口无人机和高性能计算机 - 资讯 - 清泛网 - 专注...
...数字计算机性能专门设计、单链路单向通信速率超过2.0GB/s的外部互连设备，都在限制范围内。
2011年10月27日，我国第一台完全采用国产CPU处理器的千万亿次超级计算机——神威蓝光，在国家超级计算济南中心投入使用。
【商...
What is the purpose of the EBP frame pointer register?
...ragraph as to what an x86 processor can do to overcome the register limit: http://en.wikipedia.org/wiki/X86#Current_implementations.
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How do I calculate percentiles with python/numpy?
...ne doesn't want to depend on scipy. The function is copied below:
## {{{ http://code.activestate.com/recipes/511478/ (r1)
import math
import functools
def percentile(N, percent, key=lambda x:x):
"""
Find the percentile of a list of values.
@parameter N - is a list of values. Note N M...
Is it possible to disable floating headers in UITableView with UITableViewStylePlain?
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Correct way to write loops for promise.
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How to identify CAAnimation within the animationDidStop delegate?
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Batgar's technique is too complicated. Why not take advantage of the forKey parameter in addAnimation? It was intended for this very purpose. Just take out the call to setValue and move the key string to the addAnimation call. For example:
[[hearingA...
What's the Android ADB shell “dumpsys” tool and what are its benefits?
I'm looking for the full list of ADB shell dumpsys commands with a full explanation of all of the commands.
4 Answers
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What is the difference between an Azure Web Site and an Azure Web Role
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I've just posted a comprehensive blog post on this very subject at http://robdmoore.id.au/blog/2012/06/09/windows-azure-web-sites-vs-web-roles/.
An excerpt from my conclusion: If you need enormous scale, SSL, Asian or West US data centres, a non-standard configuration (of IIS, ports, diagno...
Concatenate a vector of strings/character
...rgument within the paste function:
paste(sdata, collapse = '')
Thanks to http://twitter.com/onelinetips/status/7491806343
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Safely casting long to int in Java
What's the most idiomatic way in Java to verify that a cast from long to int does not lose any information?
10 Answers
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