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mongoid 多库

#coding:utf-8 class Phone   include Mongoid::Document   set_database :phone end config: defaults: &defaults   host: 127.0.0.1 development:   <<: *defaults   database: person_data   databases:       spider:         database: person_data         host: 127.0.0.1         port: 27017       p ...

正则小计

s.split(/\d+|[a-zA-Z]|[[:punct:]]+/) [[:punct:]]匹配标点符号

ruby环境

下载yaml-0.1.4.tar.gz, http://pyyaml.org/wiki/LibYAML 解压libyaml,然后编译安装 sudo aptitude install build-essential libssl-dev libreadline5 libreadline5-dev zlib1g zlib1g-dev sudo apt-get install libssl-dev
sudo apt-get install firefox sudo aptitude install xvfb sudo gem install watir-webdriver --no-ri --no-rdoc sudo gem install headless require 'watir-webdriver' require 'headless' Headless.ly do   browser = Watir::Browser.new :ff   browser.goto "www.baidu.com"   puts browser.html end
启动  sudo ./nginx 配置文件 conf / vhost 配置路径 端口 sudo gem install passenger sudo ./passenger-install-nginx-module sudo ldconfig sudo ln -s  /usr/local/lib/libpcre.so.1  /lib --with-http_stub_status_module --with-http_ssl_module --with-http_gzip_static_module rails yaml error yum install libxslt* ...

mongo备份

./mongorestore -h 192.168.1.1 -d db_name --directoryperdb ~/wenjianjia/db_data mongodump -d db_name  -o ~/wenjianjia

mysql utf8建表

create table weibo_verifieds(id int not null primary key auto_increment,uid char(255),uname char(255),uimg char(255),url char(255)) charset default utf8;

unicode

requirt 'cgi' def to_utf8(unicode_string) unicode_string.gsub(/\\u\w{4}/) do |s|     str = s.sub(/\\u/, "").hex.to_s(2)     if str.length < 8       CGI.unescape(str.to_i(2).to_s(16).insert(0, "%"))     else       arr = str.reverse.scan(/\w{0,6}/).reverse.select{|a| ...
require 'htmlentities' coder = HTMLEntities.new           str=coder.decode(str)

mysql 中文乱码

create table xxxxx(id int not null primary key auto_increment,created_on datetime,updated_on datetime,weibo_name char(255),weibo_image char(255),weibo_type int,weibo_id char(255),app_id int,weibo_desp text,brand_id int) default charset 'utf8';

about nginx

1.安装nginx 运行: sudo apt-get intsall nginx Ubuntu安装之后的文件结构大致为: * 所有的配置文件都在/etc/nginx下,并且每个虚拟主机已经安排在了/etc/nginx/sites-available下 * 程序文件在/usr/sbin/nginx * 日志放在了/var/log/nginx中 * 并已经在/etc/init.d/下创建了启动脚本nginx * 默认的虚拟主机的目录设置在了/var/www/nginx-default 下面可以启动nginx来看看效果(请确保80端口没有其他服务在使用): Ubuntu请运行: sudo / ...
require 'rubygems' require 'jcode' $KCODE='u' def main(str) num=0 if str.to_s.match("亿") str.to_s.match(/(.+)亿(.+)/) num1=conv($1.to_s)*100000000 num2=conv($2.to_s) num=num1+num2 else num=conv(str.to_s) end return num end def conv( ...
一.MongoDB的配置 1下载解压:     curl http://downloads.mongodb.org/linux/mongodb-linux-x86_64-1.4.4.tgz > mongo.tgz     tar xzvf mongo.tgz 2.安装 MongoDB 到 /usr/local/mongodb 目录下:     mv  mongodb-linux-x86_64-1.4.4  /usr/local/mongodb 3.创建软件连接     sudo ln -s /usr/local/mongodb/bin/mongod  /usr/bin/mongod 4.创 ...
In Ubuntu you need to follow these steps: sudo apt-get install libxml2-dev sudo apt-get install libxslt-dev sudo gem install nokogiri sudo gem install mechanize sudo gem install sanitize
sudo apt-get install imagemagick sudo apt-get install libmagick9-dev sudo apt-get install librmagick-ruby sudo gem install rmagick --include-dependencies
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