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➜  Opensource  git config --global core.autocrlf
false
➜  Opensource  git clone https://github.com/php/php-src.git php-src-clean
Cloning into php-src-clean...
remote: Counting objects: 492188, done.
remote: Compressing objects: 100% (99071/99071), done.
remote: Total 492188 (delta 392149), reused 491908 (delta 391913)
Receiving objects: 100% (492188/492188), 108.91 MiB | 1.08 MiB/s, done.
Resolving deltas: 100% (392149/392149), done.
➜  Opensource  cd php-src-clean 

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➜  Opensource  git config --global core.autocrlf      
input
➜  Opensource  git clone https://github.com/php/php-src.git php-src-clean
Cloning into php-src-clean...
remote: Counting objects: 492188, done.
remote: Compressing objects: 100% (99071/99071), done.
remote: Total 492188 (delta 392149), reused 491908 (delta 391913)
Receiving objects: 100% (492188/492188), 108.91 MiB | 221 KiB/s, done.
Resolving deltas: 100% (392149/392149), done.
➜  Opensource  cd php-src-clean 

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Max Battery Life Checklist

Here is a checklist to follow if you want maximum battery life -- for instance if you're about to get on a long plane flight.

Low power use checklist

With power connected:

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git checkout origin/osx
HEAD is now at 77edf8d... Tidying up and an attempt to measure shared memory.
git checkout-index -af --prefix=/private/tmp/homebrew-htop-HEAD-9yJ0/
==> ./autogen.sh
./autogen.sh 
glibtoolize: putting auxiliary files in `.'.
glibtoolize: copying file `./ltmain.sh'
glibtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
glibtoolize: copying file `m4/libtool.m4'
glibtoolize: copying file `m4/ltoptions.m4'

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{ 
  :'pt-BR' => {

    # formatos de data e hora
    :date => {
      :formats => {
        :default      => "%d/%m/%Y",
        :short        => lambda { |date| "#{date.day} %b" },
        :long         => lambda { |date| "#{date.day} de %B de %Y" },
        :only_day     => "%e"

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# 2014-11-09 Issue #2 第二期

Arch Weekly ——arch同学共同整理的技术周报

> 投稿专线： tbrd_arch@baidu.com hi群 QQ群

## 会议

1. AWS亚马逊技术峰会：<http://www.awssummitbeijing.com/index.html?Code=infoq>

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> [百度Lamp技术博客](/) 原创作品，转载时请务必以超链接形式标明文章 [原始出处](http://lamp.baidu.com/2014/11/03/hhvm-in-baidu/) 、作者信息和本声明。否则将追究法律责任。

##背景
HHVM 其前身是hiphop(hphpc)，进行php代码->cpp代码->二进制的转换，这个引擎属于静态编译优化，在Facebook应用了4年（2007-2011），但是由于开发、编译、调试、维护并不方便，所以2011年12月Facebook 开始了HHVM的开发和调研；
也就是hiphop->hphpi->hhvm的一个发展。

1. HipHop PHP: 将PHP代码翻译成C++代码，然后编译成二进制运行
1. hphpi: 为了解决编译太慢的问题，实现的一个PHP解释器，不过代码和hphpc很多都不一样，有很多的问题
1. HHVM：一个真正的虚拟机，目标是和Zend VM保持兼容。