| sudo -s | |
| cd /opt | |
| git clone https://github.com/nicolasff/phpredis.git | |
| cd phpredis | |
| phpize | |
| ./configure #--enable-redis-igbinary | |
| make && make install |
| Add following towards bottom | |
| ``` | |
| ### IMPROVE SYSTEM MEMORY MANAGEMENT ### | |
| # Increase size of file handles and inode cache | |
| fs.file-max = 2097152 | |
| # Do less swapping | |
| vm.swappiness = 10 | |
| vm.dirty_ratio = 60 |
| # Update aptitude | |
| sudo -s | |
| apt-get update | |
| apt-get install libpcre3-dev libssl-dev # openssl | |
| # Download Tengine | |
| wget http://tengine.taobao.org/download/tengine-2.1.0.tar.gz | |
| tar zxvf tengine-2.1.0.tar.gz | |
| cd tengine-2.1.0 |
| # ATTENTION PLEASE! | |
| # NOTE BY @riwazp7 | |
| # Note for future visitors of this gist: Mac OS has Apache Benchmark by default ab --help | |
| curl -OL http://ftpmirror.gnu.org/libtool/libtool-2.4.2.tar.gz | |
| tar -xzf libtool-2.4.2.tar.gz | |
| cd libtool-2.4.2 | |
| ./configure && make && sudo make install | |
| # brew install 'https://raw.github.com/simonair/homebrew-dupes/e5177ef4fc82ae5246842e5a544124722c9e975b/ab.rb' |
| # 第一步，找出所有库所在的行号 | |
| cat all_databases.sql |grep -n "Current Database" | |
| #返回 | |
| 422:-- Current Database: `data_platform` | |
| 8094:-- Current Database: `mysql` | |
| 13013:-- Current Database: `test` | |
| 13045:-- Current Database: `test_insert` | |
| 13085:-- Current Database: `test_l5` | |
| # 第二步，确认要移除的库：mysql |
| //: Playground - noun: a place where people can play | |
| import UIKit | |
| var str = "Hello, playground" | |
| // 函数和返回值 | |
| func getUserName(id: Int) -> String { | |
| return "xxy"; | |
| } |
| //: Playground - noun: a place where people can play | |
| import UIKit | |
| var str = "Hello, playground" | |
| var names = ["Chris", "Alex", "Ewa", "Barry", "Daniella"] | |
| // 普通函数 | |
| func desc(s1 : String, s2 : String) -> Bool { |
| //: Playground - noun: a place where people can play | |
| import UIKit | |
| var str = "Hello, playground" | |
| // Enum 类型的名称和成员值都应当以大写开头 | |
| enum status{ | |
| case ok |
| //: Playground - noun: a place where people can play | |
| import UIKit | |
| // NSJSONSerialization(iOS5新增) 类似的第三方库有：SBJSON、TouchJSON、YAJL、JSONKit、NextiveJson。 | |
| // 可以将JSON数据转为Foundation对象，一般是 NSDictionary 或者 NSArray，或者将Foundation对象转换为JSON数据 | |
| // NSJSONReadingOptions | |
| // MutableContainers：转换的来的 NSArray 或 NSDictionary 是 mutable 的 | |
| // MutableLeaves：转换来的对象中，叶子节点的 NSString 是 mutable 的 |
#NSLayoutFormatOptions 翻译自：http://iosdevelopmentjournal.com/blog/2013/04/22/alignment-options-in-auto-laytout/
在constraintsWithVisualFormat:options:metrics:views: 函数中, options 参数是一个 bitmask，它指定了VFL中的元素如何对齐。举个例子，"V:[first][second][third]" 这一句VFL只告诉你了三个元素应该纵向堆叠在一起，但是没有说当它们宽度不同时该怎么办。
你可以再增加一些横向的 constraints，但是这些知识无聊的体力劳动。其实你可以传入一个 option，将它们的相对位置告诉排版引擎。