Clark caok
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| # coding: utf-8 | |
| #正则用于匹配用户名 | |
| str = "@wikimo @中國 @水手 测试看看" | |
| #{2,20}字符长度至少2个，不多于20个，以下任意方式匹配 | |
| #arr = str.scan(/@([一-龠\w]{2,20}\s)/u).flatten | |
| arr = str.scan(/@([\p{Han}+\w]{2,20}\s)/u).flatten | |
| 前端：https://github.com/ichord/jquery-atwho-rails |
caok
/ 实现div的上下左右都居中
Created
November 19, 2013 08:32
其实解决的思路是这样的：首们需要position:absolute;绝对定位。而层的定位点，使用外补丁margin负值的方法。负值的大小为层自身宽度高度除以二。
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| <style type="text/css"> | |
| <!-- | |
| div { | |
| position:absolute; | |
| top:50%; | |
| left:50%; | |
| margin:-150px 0 0 -200px; | |
| width:400px; | |
| height:300px; | |
| border:1px solid #008800; |
caok
/ bootstrap-ubuntu.sh
Created
December 6, 2013 14:14
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| #!/usr/bin/env bash | |
| # Pre-requisites | |
| sudo apt-get -y update | |
| sudo apt-get -y install git-core curl autoconf automake openssl vim build-essential libc6-dev libreadline6 libreadline6-dev zlib1g zlib1g-dev libssl-dev libyaml-dev mysql-server libmysqlclient-dev ncurses-dev libtool bison libxslt1-dev libxml2-dev | |
| # rbenv | |
| curl https://raw.github.com/fesplugas/rbenv-installer/master/bin/rbenv-installer | bash | |
| echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile | |
| echo 'eval "$(rbenv init -)"' >> ~/.bash_profile |
caok
/ _async_javascript.html.erb
Created
December 16, 2013 15:45
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| app/views/layouts/_async_javascript.html.erb | |
| <script type="text/javascript"> | |
| (function() { | |
| var script = document.createElement('script'); | |
| script.type = 'text/javascript'; | |
| script.async = true; | |
| script.src = '<%= j javascript_path(path) %>'; | |
| var other = document.getElementsByTagName('script')[0]; | |
| other.parentNode.insertBefore(script, other); |
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| <img src="abc.JPG" onerror="this.src='default.JPG'" /> | |
| 或者 | |
| <script type="text/javascript"> | |
| t = document.getElementsByClassName("defaultImg"); | |
| for(i = 0; i < t.length; i++){ | |
| t.item(i).onerror = function(){ | |
| this.src = "test.gif" |
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| class ApplicationController < ActionController::Base | |
| before_action :detect_device_variant | |
| private | |
| def detect_device_variant | |
| case request.user_agent | |
| when /iPad/i | |
| request.variant = :tablet | |
| when /iPhone/i |
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| <!DOCTYPE html> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <title></title> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script> | |
| <script type="text/javascript"> | |
| // 下面的插件部分建议放在js文件中， 方便调用 | |
| //-------------- 插件 begin ------------------ | |
| (function ($) { |
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| Date.prototype.format = function (format) { | |
| /* | |
| * eg:format="YYYY-MM-dd hh:mm:ss"; | |
| */ | |
| var o = { | |
| "M+" : this.getMonth() + 1, // month | |
| "d+" : this.getDate(), // day | |
| "h+" : this.getHours(), // hour | |
| "m+" : this.getMinutes(), // minute | |
| "s+" : this.getSeconds(), // second |
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| -- <%= haiku.user.name %> | |
| | <%= pluralize haiku.votes, "vote" %> | |
| <% if current_user && current_user.can_vote_for?(haiku) %> | |
| | <%= link_to "up", vote_haiku_path(haiku, value: 1), method: "post" %> | |
| | <%= link_to "down", vote_haiku_path(haiku, value: -1), method: "post" %> | |
| <% end %> | |
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| <!-- | |
| We will create a family tree using just CSS(3) | |
| The markup will be simple nested lists | |
| --> | |
| <div class="tree"> | |
| <ul> | |
| <li> | |
| <a href="#">Parent</a> | |
| <ul> | |
| <li> |