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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... CPU 的单核频率都发展到了瓶颈，都在往多核发展，一个 PC Server 一般 24或32 核。但 Redis 的单线程设计机制只能利用一个核，导致单核 CPU 的最大处理能力就是 Redis 单实例处理能力的天花板了。
举个具体的案例，新功能上线又...
马云：互联网时代已经过去20年，接下来30年才是关键 - 资讯 - 清泛网 - 专...
...体恤、米色长裤出现在北京联合大学体育馆，给近2000多名“四海一家·香港青年创新创业交流团”做了一次演讲。
活动现场，马云依旧妙语如珠，丝毫看不出这是他刚刚完成连飞九国的公差、尚未倒回时差的状态。
都说中国...
开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...ostfix在性能上大约比sendmail快三倍。一部运行postfix的台式PC每天可以收发上百万封邮件。
3. 兼容性好:
postfix是sendmail兼容的，从而使sendmail用户可以很方便地迁移到postfix。Postfix支持/var[/spool]/mail、/etc/aliases、 NIS、和 ~/.forward ...
How to set up Android emulator proxy settings
...PROXY, 8080);
HttpParams httpParameters = new BasicHttpParams();
DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, PROXY_HOST);
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How can I set the PHP version in PHPStorm?
...is should highlight static function etc. I have a PHP installation on my PC but I don't want to install an older PHP version for every small script I have to produce.
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How can I find the current OS in Python? [duplicate]
...inux, Windows, Solaris, MacOS) and architectures (x86, x64, Itanium, power pc, sparc) is available here: https://github.com/hpcugent/easybuild/wiki/OS_flavor_name_version
e.g. Solaris on sparc gave:
Python version: ['2.6.4 (r264:75706, Aug 4 2010, 16:53:32) [C]']
dist: ('', '', '')
linux_distribu...
What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
...you don't have root access, you need to mount the sdcard and remove it via pc:
/.android_secure/smdl2tmp1.asec
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How do I list the functions defined in my shell?
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in GNU bash 4.3.46(1)-release (x86_64-pc-linux-gnu) -F lists names / -f lists whole function
– ceph3us
Jul 29 '16 at 5:35
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Calculating arithmetic mean (one type of average) in Python
...er is slower than the others by a huge factor (>100 in some cases on my PC). This appears to be due to a particularly precise implementation of the sum operator in statistics, see PEP and Code. Not sure about the reason for the large performance difference between statistics._sum and numpy.sum, t...
Comment shortcut Android Studio
...umeric pad, and "/" in the middle of the keyboard are not the "same" key. (PC/French)
– Dazzibao
Jan 1 '15 at 0:30
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