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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...关于性能优化的优质博文网上也还是有很多的，譬如Google官方都已经推出了优化专题，我这里只是总结下自的感悟而已，若有得罪欢迎拍砖，我愿挨打，因为我之前工作的一半时间都是负责性能优化）。
当然了，本文不会就此...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...版本内核发行版使用systemd管理服务，不容易降级)
根据官方报告，跟原生centos-6.5相比，提升260%-620%(24核以上)
Fastsocket架构
上图可以很清楚的看到， 它也是利用本文前述的技术原理和多核优化原则。
通过在网卡多队列RS...
MySQL order by before group by
...sking for a solution that does NOT use a subquery?
– TV-C-15
Nov 19 '17 at 21:26
1
@TV-C-15 the p...
How to set text color to a text view programmatically [duplicate]
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Use,..
Color.parseColor("#bdbdbd");
like,
mTextView.setTextColor(Color.parseColor("#bdbdbd"));
Or if you have defined color code in resource's color.xml file than
(From API >= 23)
mTextView.setTextColor(ContextCompat.getColor(context, R.color.<name_of_color>...
Benchmarking (python vs. c++ using BLAS) and (numpy)
... CalcTime function in C++ seems to have a sign error. ... + ((double)start.tv_usec)) should be instead ... - ((double)start.tv_usec)). Perhaps your benchmark also has other bugs, e.g., comparing between different BLAS libraries, or different BLAS settings such as number of threads, or between real t...
What do I need to read to understand how git works? [closed]
... That talk from Scott has been recreated in full here: blip.tv/scott-chacon/git-talk-4113729
– Gerry
Jul 23 '11 at 17:14
1
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How to make phpstorm display line numbers by default?
... edited Oct 1 '15 at 21:55
TV-C-15
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answered Sep 8 '15 at 11:03
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NoSql Crash Course/Tutorial [closed]
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Take a look at this video from DNR TV, doing some hands on with MongoDB. Might be nice for a first introduction.
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
... What is considered "Really High"?
– TV-C-15
Nov 16 '17 at 21:55
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实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
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四、 PHP与PHP-FPM的安装及优化
1.下载安装包
从www.php.net官方网站下载PHP源码包，这里下载的是稳定版php-5.2.13.tar.gz。
从http://php-fpm.org/downloads/下载对应的PHP-FPM源码包，这里下载的是php-5.2.13-fpm-0.5.13.diff.gz。
需要注意，在下载...