<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[beslow的专栏]]></title><description><![CDATA[虽然慢，至少在前进。]]></description><link>https://blog.youkuaiyun.com/beslow</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; beslow]]></copyright><item><title><![CDATA[mac 开机自启动遇到的一些问题－解决方法]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/50999973</link><guid>https://blog.youkuaiyun.com/beslow/article/details/50999973</guid><author>beslow</author><pubDate>Mon, 28 Mar 2016 18:14:25 +0800</pubDate><description><![CDATA[file_name.sh脚本＋到用户登录项，开机自启动脚本并没有执行
file_name.sh文件是脚本，需要有执行权限
chmod a+x file_name.sh

mac 执行重新启动命令，被mysqld的terminal拦截
需要使程序后台执行
nohup mysqld &


我想开机自动启动虚拟机，知道用VMWare自带的vmrun可以搞定，但路径中包含空格
mac]]></description><category></category></item><item><title><![CDATA[( mac os 10.10.1 ) letsencrypt ＋nginx 给自己的网站加把锁]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/50922624</link><guid>https://blog.youkuaiyun.com/beslow/article/details/50922624</guid><author>beslow</author><pubDate>Fri, 18 Mar 2016 13:47:15 +0800</pubDate><description><![CDATA[Let’s Encrypt
Let's Encrypt是最近很火的一个免费SSL证书发行项目，Let's Encrypt是由ISRG提供的免费免费公益项目，自动化发行证书，但是证书只有90天的有效期。


2015年10月份，微博上偶然看到Let's Encrypt 推出了beta版，作为一个曾经被https虐出血的码农来说，这无疑是一个重磅消息。并且在全站Https的大趋势下，Let's]]></description><category></category></item><item><title><![CDATA[问答系列2014]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/38948307</link><guid>https://blog.youkuaiyun.com/beslow/article/details/38948307</guid><author>beslow</author><pubDate>Sat, 30 Aug 2014 22:04:02 +0800</pubDate><description><![CDATA[1、CentOS 如何卸载软件]]></description><category></category></item><item><title><![CDATA[Permission denied (publickey)]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/33727917</link><guid>https://blog.youkuaiyun.com/beslow/article/details/33727917</guid><author>beslow</author><pubDate>Mon, 23 Jun 2014 13:52:04 +0800</pubDate><description><![CDATA[Permission denied (publickey).
fatal: The remote end hung up unexpectedly]]></description><category></category></item><item><title><![CDATA[web应用的规划]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/30239029</link><guid>https://blog.youkuaiyun.com/beslow/article/details/30239029</guid><author>beslow</author><pubDate>Fri, 13 Jun 2014 13:45:54 +0800</pubDate><description><![CDATA[web应用的规划
有些人认为软件开发是从写代码开始的。但是事实上，产品的规划是软件开发过程的第一阶段。
产品规划，是实行从概念到编码的核心，是使项目顺利开工的关键。]]></description><category></category></item><item><title><![CDATA[windows 安装使用vim，及安装插件spark和rails.vim ,来作为ruby on rails 开发IDE]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/30271159</link><guid>https://blog.youkuaiyun.com/beslow/article/details/30271159</guid><author>beslow</author><pubDate>Thu, 12 Jun 2014 20:12:12 +0800</pubDate><description><![CDATA[1、rucheewindows安装vim教程


2、安装rails.vim


3、]]></description><category></category></item><item><title><![CDATA[rails4使用bootstrap的模态框插件，结合ajax做出从弹出框选取内容返回给原页面的效果]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/29370649</link><guid>https://blog.youkuaiyun.com/beslow/article/details/29370649</guid><author>beslow</author><pubDate>Sun, 08 Jun 2014 23:30:17 +0800</pubDate><description><![CDATA[rails4使用bootstrap的模态框插件，结合ajax做出从弹出框选取内容返回给原页面的效果。]]></description><category></category></item><item><title><![CDATA[对rspec的“才知道”]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/26444525</link><guid>https://blog.youkuaiyun.com/beslow/article/details/26444525</guid><author>beslow</author><pubDate>Wed, 21 May 2014 09:47:33 +0800</pubDate><description><![CDATA[对rspec的“才知道”]]></description><category></category></item><item><title><![CDATA[话唠]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/25835929</link><guid>https://blog.youkuaiyun.com/beslow/article/details/25835929</guid><author>beslow</author><pubDate>Wed, 14 May 2014 22:10:00 +0800</pubDate><description><![CDATA[rails4项目中有了安装了bootstrap，可以直接使用bootstrap的css和js，明天]]></description><category></category></item><item><title><![CDATA[用VirtualBox和vagrant在win7×64上搭建ruby on rails 开发环境]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/25469207</link><guid>https://blog.youkuaiyun.com/beslow/article/details/25469207</guid><author>beslow</author><pubDate>Sat, 10 May 2014 16:34:44 +0800</pubDate><description><![CDATA[对于学习、开发ruby on rails的同学，如果没有mac，又不想放弃windows，还又不想装双系统，那么vagrant绝对是福音。使用vagrant，开发环境就可以打包放在网盘或U盘里，到任何一台机器上，不管什么系统，一模一样的环境轻松搭建，省去开发环境不同带来的种种烦恼。]]></description><category></category></item><item><title><![CDATA[在windows上使用vagrant，如何访问运行在vagrant上的工程]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/25466741</link><guid>https://blog.youkuaiyun.com/beslow/article/details/25466741</guid><author>beslow</author><pubDate>Sat, 10 May 2014 11:17:40 +0800</pubDate><description><![CDATA[vagrantfile文件中要有类似这一句
  # accessing "localhost:8080" will access port 80 on the guest machine.
   config.vm.network "forwarded_port", guest: 3000, host: 3000]]></description><category></category></item><item><title><![CDATA[rspec spec/ 测试不通过，报 undefined method `assertions' 错]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/24487249</link><guid>https://blog.youkuaiyun.com/beslow/article/details/24487249</guid><author>beslow</author><pubDate>Fri, 25 Apr 2014 17:50:33 +0800</pubDate><description><![CDATA[Failures:

  1) Authentication authorization for-non-signed-in users in the Users controller submitting to the update action
     Failure/Error: specify { expect(response).to redirect_to(signin_path) ]]></description><category></category></item><item><title><![CDATA[rails db:migrate 出错  bundle exec]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/23663939</link><guid>https://blog.youkuaiyun.com/beslow/article/details/23663939</guid><author>beslow</author><pubDate>Mon, 14 Apr 2014 11:03:27 +0800</pubDate><description><![CDATA[rake aborted!
Gem::LoadError: You have already activated rake 10.2.2, but your Gemfile requires rake 10.1.1. Prepending `bundle exec` to your command
 may so]]></description><category></category></item><item><title><![CDATA[rails4 在页面view用link_to 给控制器controller传参数]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/23661433</link><guid>https://blog.youkuaiyun.com/beslow/article/details/23661433</guid><author>beslow</author><pubDate>Mon, 14 Apr 2014 10:30:31 +0800</pubDate><description><![CDATA[app\v
 'V') %>]]></description><category></category></item><item><title><![CDATA[邮箱格式验证  js]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/23250555</link><guid>https://blog.youkuaiyun.com/beslow/article/details/23250555</guid><author>beslow</author><pubDate>Wed, 09 Apr 2014 10:04:30 +0800</pubDate><description><![CDATA[JS正则表达式

1）验证密码
   function verifyPassword(str){
      var reg=/^[A-Za-z0-9]+$/;
      if( reg.test(str) ){
          return true;
      }else{
          return false;
      }
   }

2）检查邮箱]]></description><category></category></item><item><title><![CDATA[rails4    ajax实现验证用户存在否]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/22856405</link><guid>https://blog.youkuaiyun.com/beslow/article/details/22856405</guid><author>beslow</author><pubDate>Thu, 03 Apr 2014 11:17:52 +0800</pubDate><description><![CDATA[假设用户表名是 users  ，用户名 字段 是  name
1、需为users对应的建一个controller，同时定义方法checkname
app\controllers\users_controller.rb
class UsersController < ApplicationController
  def checkname
    if User.where(name: pa]]></description><category></category></item><item><title><![CDATA[rails4 onclick事件不响应]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/22779859</link><guid>https://blog.youkuaiyun.com/beslow/article/details/22779859</guid><author>beslow</author><pubDate>Wed, 02 Apr 2014 10:00:39 +0800</pubDate><description><![CDATA[rails4 新增了turbolinks插件，可以在项目的gemfile中看到  # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'
项目的manifest文件（一般是applicatio]]></description><category></category></item><item><title><![CDATA[ActiveModel::ForbiddenAttributesError]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/22730025</link><guid>https://blog.youkuaiyun.com/beslow/article/details/22730025</guid><author>beslow</author><pubDate>Tue, 01 Apr 2014 14:10:42 +0800</pubDate><description><![CDATA[升级到rails4之后，像这这样的语句会报错：ActiveModel::ForbiddenAttributesError
@product = Product.new(params[:product])方法是改为@product = Product.new(product_params)同时增加私有方法product_params.


class ProductsController  ]]></description><category></category></item><item><title><![CDATA[ruby on rails 4 中利用 remote：true 实现 ajax ，小记]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/22723285</link><guid>https://blog.youkuaiyun.com/beslow/article/details/22723285</guid><author>beslow</author><pubDate>Tue, 01 Apr 2014 12:50:53 +0800</pubDate><description><![CDATA[_form.html.erb

 true do |f| %>
  
    
    
  
  
    
    
  
  
    
  

postcontroller.rb


  def new
    @post = Post.new
    respond_to do |format|
      format.html
      format.json { re]]></description><category></category></item><item><title><![CDATA[rails4 ，用js改变div的背景图片]]></title><link>https://blog.youkuaiyun.com/beslow/article/details/21714143</link><guid>https://blog.youkuaiyun.com/beslow/article/details/21714143</guid><author>beslow</author><pubDate>Fri, 21 Mar 2014 14:16:29 +0800</pubDate><description><![CDATA[rails4 图片路径设在了 app/assert/images/下，其下有1.jpg和2.jpg
在css样式中可以用 background-image：url(“1.jpg”);  
问题是如果在js中想改变这个背景图片，换成2.jpg，js中如果这样写：document.getElementById( "indexCover" ).style.backgroundImage = "url]]></description><category></category></item></channel></rss>