Marble Wu huobazi

Note that this validation runs both after the file is uploaded and after CarrierWave has processed the image. If your base uploader includes a filter to resize the image then the validation will be run against the resized image, not the original one that was uploaded. If this causes a problem for you, then you should avoid using a resizing filter on the base uploader and put any specific size requirements in a version instead.

So instead of this:

require 'carrierwave/processing/mini_magick'

常用的 HTML 头部标签

详细介绍参见原文：yisibl/blog#1

<!DOCTYPE html> <!-- 使用 HTML5 doctype，不区分大小写 -->
<html lang="zh-cmn-Hans"> <!-- 更加标准的 lang 属性写法 http://zhi.hu/XyIa -->
<head>
    <meta charset='utf-8'> <!-- 声明文档使用的字符编码 -->
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <!-- 优先使用 IE 最新版本和 Chrome -->

这是从其他地方 fork 过来的部署脚本(deploy.rb 部分代码)

namespace :deploy do
  task :setup_solr_data_dir do
    run "mkdir -p #{shared_path}/solr/data"
  end
end

namespace :solr do

Update and upgrade the system

sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade && sudo apt-get autoremove
sudo reboot

	good, 你已经有了一个自己的shadowsocks代理了，现在想要把这个代理公布出去给所有人分享。
	但是没有两个小时，代理就没法使用了，为什么？因为你需要额外注意以下事项（以下步骤需要比较高的linux技能）
	本文只关注于确保shadowsocks服务还“活着”，如果你希望让其跑得更快，请参考
	https://github.com/clowwindy/shadowsocks/wiki/Optimizing-Shadowsocks

	1、 shadowsocks的timeout设置
	超时时间越长，连接被保持得也就越长，导致并发的tcp的连接数也就越多。对于公共代理，这个值应该调整得小一些。推荐60秒。

	2、检查操作系统的各种限制
	对于openvz的vps，特别需要检查一下

	// ===============================================================================
	// Microsoft Data Access Application Block for .NET
	// http://msdn.microsoft.com/library/en-us/dnbda/html/daab-rm.asp
	//
	// cs
	//
	// This file contains the implementations of the SqlHelper and SqlHelperParameterCache
	// classes.
	//
	// For more information see the Data Access Application Block Implementation Overview.

	# Migrate schema and data from Mongoid to MySQL ActiveRecord
	class MongoidMysqlMigrator

	def randomize_auto_increment_values(source_models, from=5500, to=10500)
	source_models.each do \|model\|
	value = rand(from-to)+from
	sql = %(ALTER TABLE #{model.name.tableize} AUTO_INCREMENT=#{value})
	puts sql
	ActiveRecord::Base.connection.execute(sql)
	end

	class Attachment < ActiveRecord::Base
	mount_uploader :attachment, AttachmentUploader

	# Associations

	belongs_to :attached_item, polymorphic: true

	# Validations

	validates_presence_of :attachment

	jQuery(function($){

	/*
	jQuery.paging - simple pagination
	*/
	$.fn.paging = function(options) {

	var $base = this,
	base_sel = $base.selector,
	defaultOpts = {

	REGEDIT4
	[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
	"Scancode Map"=hex:00,00,00,00,00,00,00,00,03,00,00,00,3a,00,46,00,01,00,3a,00,00,00,00,00

Marble Wu huobazi

常用的 HTML 头部标签

Update and upgrade the system

Configure timezone