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atom.xml
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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<title><![CDATA[Delbert's Octopress Blog]]></title>
<link href="http://cnDelbert.github.io/atom.xml" rel="self"/>
<link href="http://cnDelbert.github.io/"/>
<updated>2014-04-24T14:32:53+08:00</updated>
<id>http://cnDelbert.github.io/</id>
<author>
<name><![CDATA[Delbert]]></name>
</author>
<generator uri="http://octopress.org/">Octopress</generator>
<entry>
<title type="html"><![CDATA[骚扰电话]]></title>
<link href="http://cnDelbert.github.io/blog/2014/04/24/ad-calls/"/>
<updated>2014-04-24T14:26:53+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/04/24/ad-calls</id>
<content type="html"><![CDATA[<p>0531-58637290 山东 济南 商业银行贷款推广
15519476562 贵州 六盘水</p>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[3D 建模中的一些概念]]></title>
<link href="http://cnDelbert.github.io/blog/2014/04/22/concepts-of-3d-modeling/"/>
<updated>2014-04-22T15:02:15+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/04/22/concepts-of-3d-modeling</id>
<content type="html"><![CDATA[<p>DTM</p>
<p>DEM</p>
<p>VPB</p>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[XML 相关的一点内容]]></title>
<link href="http://cnDelbert.github.io/blog/2014/04/11/xml-relative/"/>
<updated>2014-04-11T20:11:01+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/04/11/xml-relative</id>
<content type="html"><![CDATA[<p>想用 XML 来保存一点数据，因此在这边来作个笔记。</p>
<!--more-->
<ul>
<li>XML 所有元素都<strong>必须</strong>有关闭标签。</li>
</ul>
<p>XML 声明不属于 XML 的部分，因此声明是没有关闭标签的。</p>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
</pre></td><td class='code'><pre><code class='xml'><span class='line'><span class="cp"><?xml version="1.0" encoding="ISO-8859-1"?></span>
</span></code></pre></td></tr></table></div></figure>
<ul>
<li>XML 标签是大小写敏感的。</li>
<li>XML 标签<strong>必须</strong>正确嵌套。</li>
<li>XML文档必须有根元素。</li>
<li>XML 的属性<strong>必须</strong>加双引号。</li>
<li><code><</code> 等要写成<code>&lt;</code>。</li>
<li>XML 中的空格会被保留，而不是像 HTML 一样合并为一个。</li>
</ul>
<p>XML 的命名应该遵循一些规则</p>
<ul>
<li>不能以标点或数字开头</li>
<li>不能以xml/XML/Xml等开头</li>
<li>不能包含空格</li>
<li>尽量避免使用<code>.</code> <code>-</code> <code>:</code></li>
<li>可是使用非英语字母，但是不建议使用。</li>
</ul>
<p>尽量使用元素，而要避免使用属性。属性仅仅用来描述与数据无关的信息，而用元素来处理信息。</p>
<p>如果 XML 文件有错误，程序就会停止执行。</p>
<p>Notes:</p>
<p>看完 XML 基础，还要记得看 DTD 和 XSLT。尽量不要用 CSS 来渲染 XML。最重要的是，能把整个 XML 给看完啊啊啊……</p>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[Ruby 补充笔记 2]]></title>
<link href="http://cnDelbert.github.io/blog/2014/04/08/ruby-note-review-2/"/>
<updated>2014-04-08T21:11:59+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/04/08/ruby-note-review-2</id>
<content type="html"><![CDATA[<p>继续</p>
<!--more-->
<p>Ruby 中有以感叹号和问号结尾的方法。</p>
<p>问号被用于判断返回 Boolean 是否为真的方法，如 <code>Array.empty?</code>。<br>
叹号用来表示用到的方法要多加小心。一般不带叹号的方法返回调用该方法的一个拷贝，而带感叹号的则会修改原来的对象。</p>
<p>可以通过 <code>Hash.new</code> 方法来建立新的空的 hash。</p>
<p><code>.to_sym</code> 和 <code>.intern</code> 作用一样，都是讲字符串转换为 Symbol。</p>
<p>Hash 中 key 如果本身是一个单词，可以直接用 <code>key: value</code> 的形式，如果是多个单词的话，就要 <code>:"key word" => value</code> 了。貌似是这样的。</p>
<p>lrthw 中从来没有提到过 The Zen of Ruby。 Ruby 是一种很随意的语言，比如</p>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="nb">puts</span> <span class="s2">"Delbert"</span> <span class="k">if</span> <span class="kp">true</span>
</span></code></pre></td></tr></table></div></figure>
<p>和英语的读法差不多的杨泽，语法相当随意。</p>
<p>加一个<code>@</code>是实例变量，两个@ <code>@@</code>是类变量，加<code>$</code>的是全局变量。</p>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[Ruby 补充笔记 1]]></title>
<link href="http://cnDelbert.github.io/blog/2014/04/08/ruby-note-review/"/>
<updated>2014-04-08T14:53:48+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/04/08/ruby-note-review</id>
<content type="html"><![CDATA[<p>完成了 <em>Learn Ruby The Hard Way</em> ，但是在 Codecademy 上面的课程还是没有完成。今天抽空从头复习了一下，发现了不少在 lrthw 中没有提到的地方。</p>
<!--more-->
<h2>字符串方法</h2>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="o">.</span><span class="n">length</span>
</span><span class='line'><span class="o">.</span><span class="n">reverse</span>
</span><span class='line'><span class="o">.</span><span class="n">upcase</span>
</span><span class='line'><span class="o">.</span><span class="n">downcase</span>
</span><span class='line'><span class="o">.</span><span class="n">capitalize</span>
</span><span class='line'>
</span><span class='line'><span class="o">.</span><span class="n">gsub!</span><span class="p">(</span><span class="sr">/s/</span><span class="p">,</span><span class="s2">"th"</span><span class="p">)</span> <span class="c1"># replace s with th, while gsub is short for **g**lobal **sub**stitution. </span>
</span></code></pre></td></tr></table></div></figure>
<h2>多行注释</h2>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="cm">=begin</span>
</span><span class='line'><span class="cm">注释</span>
</span><span class='line'><span class="cm">Multi-Line Comments</span>
</span><span class='line'><span class="cm">=end</span>
</span><span class='line'>
</span><span class='line'><span class="c1"># Single-Line Comments</span>
</span></code></pre></td></tr></table></div></figure>
<h2>控制流</h2>
<h3>if/else</h3>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="k">if</span> <span class="kp">true</span>
</span><span class='line'> <span class="c1"># do something</span>
</span><span class='line'><span class="k">elsif</span>
</span><span class='line'> <span class="c1"># do something else</span>
</span><span class='line'><span class="k">else</span>
</span><span class='line'> <span class="c1"># others</span>
</span><span class='line'><span class="k">end</span>
</span></code></pre></td></tr></table></div></figure>
<h3>unless/else</h3>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="k">unless</span> <span class="kp">false</span>
</span><span class='line'> <span class="c1"># do something</span>
</span><span class='line'><span class="k">elsif</span>
</span><span class='line'> <span class="c1"># do something else</span>
</span><span class='line'><span class="k">else</span>
</span><span class='line'> <span class="c1"># others</span>
</span><span class='line'><span class="k">end</span>
</span></code></pre></td></tr></table></div></figure>
<h2>循环</h2>
<h3>while</h3>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="k">while</span> <span class="kp">true</span>
</span><span class='line'> <span class="c1"># do something</span>
</span><span class='line'><span class="k">end</span>
</span></code></pre></td></tr></table></div></figure>
<h3>until</h3>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="k">until</span> <span class="kp">false</span>
</span><span class='line'> <span class="c1"># do something</span>
</span><span class='line'><span class="k">end</span>
</span></code></pre></td></tr></table></div></figure>
<h3>loop</h3>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="kp">loop</span> <span class="k">do</span>
</span><span class='line'> <span class="k">next</span> <span class="k">if</span> <span class="kp">true</span> <span class="c1"># equals continus</span>
</span><span class='line'> <span class="c1"># do something</span>
</span><span class='line'> <span class="k">break</span> <span class="k">if</span> <span class="kp">true</span>
</span><span class='line'><span class="k">end</span>
</span></code></pre></td></tr></table></div></figure>
<h3>.each</h3>
<p>Multi-Line</p>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="n">array</span> <span class="o">=</span> <span class="o">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="o">]</span>
</span><span class='line'><span class="n">array</span><span class="o">.</span><span class="n">each</span> <span class="k">do</span> <span class="o">|</span><span class="n">x</span><span class="o">|</span>
</span><span class='line'> <span class="c1"># do something</span>
</span><span class='line'><span class="k">end</span>
</span></code></pre></td></tr></table></div></figure>
<p>Single-Line</p>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="n">object</span><span class="o">.</span><span class="n">each</span> <span class="p">{</span> <span class="o">|</span><span class="n">item</span><span class="o">|</span> <span class="c1"># Do something }</span>
</span></code></pre></td></tr></table></div></figure>
<h3>.times</h3>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
</pre></td><td class='code'><pre><code class='ruby'><span class='line'><span class="mi">3</span><span class="o">.</span><span class="n">times</span><span class="p">{</span><span class="nb">print</span> <span class="s2">"Delbert"</span><span class="p">}</span> <span class="c1"># print "Delbert" out for 3 times{print</span>
</span></code></pre></td></tr></table></div></figure>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[参数方法启用 Chrome App Launcher]]></title>
<link href="http://cnDelbert.github.io/blog/2014/04/08/chrome-app-launcher/"/>
<updated>2014-04-08T14:44:31+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/04/08/chrome-app-launcher</id>
<content type="html"><![CDATA[<p>昨天启用 Google Knot 的时候在我的本子上给安装了个 Chrome App Launcher，感觉很好用。</p>
<!--more-->
<p>因为在实验室用台式机比较多，想在那台 Windows 8 的上面也启用 App Launcher。结果用 Chrome 到了安装的页面，再点击就直接是空白页了。找到 Softnic 的地址，结果也是直接链接到 Google。</p>
<p>算了，本来不想用了，结果逛到<a href="//appinn.com">小众软件</a>，发现某篇文章里面也提到了这个东东，评论中有一句话真心大亮：</p>
<blockquote><p>不就是 Chrome 加上了 <code>--show-app-list</code> 启动参数吗？</p></blockquote>
<p>哈哈哈，原来 Chrome App Launcher 这么简单就搞定了。</p>
<p>右键原来的那个 Chrome 的快捷方式，加上 <code>--show-app-list</code> 参数，确定即可。</p>
<p>附送参数一枚：</p>
<p>隐身模式 <code>--incoginto</code> ，快捷键 <code>Ctrl + Shift + N</code>。</p>
<p><em>本方法仅在 Windows 7 / Window 8 操作系统下测试通过</em></p>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[Failure on 'Ruby dk.rb Init']]></title>
<link href="http://cnDelbert.github.io/blog/2014/04/01/cannot-init-dk-dot-rb/"/>
<updated>2014-04-01T16:09:29+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/04/01/cannot-init-dk-dot-rb</id>
<content type="html"><![CDATA[<p>想在 Windows 下重新安装 Ruby，结果在执行 <code>ruby dk.rb init</code> 的命令时就出现了错误：</p>
<!--more-->
<figure class='code'><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
<span class='line-number'>7</span>
<span class='line-number'>8</span>
<span class='line-number'>9</span>
<span class='line-number'>10</span>
<span class='line-number'>11</span>
<span class='line-number'>12</span>
<span class='line-number'>13</span>
<span class='line-number'>14</span>
<span class='line-number'>15</span>
<span class='line-number'>16</span>
<span class='line-number'>17</span>
<span class='line-number'>18</span>
<span class='line-number'>19</span>
<span class='line-number'>20</span>
<span class='line-number'>21</span>
</pre></td><td class='code'><pre><code class=''><span class='line'>ruby dk.rb init
</span><span class='line'>[INFO] found RubyInstaller v1.9.3 at C:/Ruby193
</span><span class='line'>C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:173:in `tr': invalid byte sequence in UTF-8 (ArgumentError)
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:173:in `initialize'
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:231:in `exception'
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:231:in `raise'
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:231:in `check'
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:277:in `EnumKey'
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:551:in `each_key'
</span><span class='line'> from dk.rb:119:in `block (2 levels) in scan_for'
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:389:in `open'
</span><span class='line'> from C:/Ruby193/lib/ruby/1.9.1/win32/registry.rb:496:in `open'
</span><span class='line'> from dk.rb:118:in `block in scan_for'
</span><span class='line'> from dk.rb:116:in `each'
</span><span class='line'> from dk.rb:116:in `scan_for'
</span><span class='line'> from dk.rb:138:in `block in installed_rubies'
</span><span class='line'> from dk.rb:138:in `collect'
</span><span class='line'> from dk.rb:138:in `installed_rubies'
</span><span class='line'> from dk.rb:146:in `init'
</span><span class='line'> from dk.rb:313:in `run'
</span><span class='line'> from dk.rb:332:in `<main>'</span></code></pre></td></tr></table></div></figure>
<p>将环境变量中的 <code>LANG</code> 和 <code>LC_ALL</code> 去掉后，重新开启一个命令行执行即可。</p>
<p>有必要的话，安装完 DevKit 再将环境变量添加回去。</p>
<p><em>Delbert</em> 自己摸索了一下午试出来的……</p>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[Bullet Character Demo Assert]]></title>
<link href="http://cnDelbert.github.io/blog/2014/03/31/bullet-debug-assert/"/>
<updated>2014-03-31T11:04:09+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/03/31/bullet-debug-assert</id>
<content type="html"><![CDATA[<p>Bullet 的默认 Demo <code>CharacterDemo</code> 竟然也会出现 <code>fuzzyZero</code> 这样的 assert ，无奈了。</p>
<p>之前只是看 Demo 的源码，用 Release 版本的例子给老师看，反正我怎么写都会出发 breakpoint ，我以为是我自己代码的问题。结果昨天一运行官方的，发现根本不是我的问题，官方的例子都是这样的啊。</p>
<p>算了，以后编译成 Release 版本吧，大不了不 debug 了…… （出了错误谁负责啊！）</p>
]]></content>
</entry>
<entry>
<title type="html"><![CDATA[第一篇Octopress日志]]></title>
<link href="http://cnDelbert.github.io/blog/2014/03/29/first-octopress-post/"/>
<updated>2014-03-29T09:32:59+08:00</updated>
<id>http://cnDelbert.github.io/blog/2014/03/29/first-octopress-post</id>
<content type="html"><![CDATA[<h3>你好，世界！</h3>
<h3>Hello, World!</h3>
<p>哈哈，有点小 Geek 了哈。</p>
<blockquote><p>代码示例：</p></blockquote>
<pre><code>cpp
#include <stdio.h>
int main()
{
printf("Hello world!");
return 0;
}
</code></pre>
<p>好奇怪，没法使用语法高亮。一旦使用了，<code>pygments</code>就跑不过去，<code>rake generate</code>就生成不了。</p>
<p>用的是 Python 3.4，难道是因为版本太高了？</p>
<figure class='code'><figcaption><span></span></figcaption><div class="highlight"><table><tr><td class="gutter"><pre class="line-numbers"><span class='line-number'>1</span>
<span class='line-number'>2</span>
<span class='line-number'>3</span>
<span class='line-number'>4</span>
<span class='line-number'>5</span>
<span class='line-number'>6</span>
</pre></td><td class='code'><pre><code class='cpp'><span class='line'><span class="cp">#include <stdio.h> </span>
</span><span class='line'><span class="kt">int</span> <span class="n">main</span><span class="p">()</span>
</span><span class='line'><span class="p">{</span>
</span><span class='line'> <span class="n">printf</span><span class="p">(</span><span class="s">"Hello world!"</span><span class="p">);</span>
</span><span class='line'> <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
</span><span class='line'><span class="p">}</span>
</span></code></pre></td></tr></table></div></figure>
<p>验证了，把python版本降到2.7.6就可以正常generate了。</p>
<p>WTF!</p>
<p>UPDATE: 怎么感觉 ubuntu 比 windows 更难弄呢？ bundle 无法安装，ruby 源有问题，网络线路……唉……</p>
]]></content>
</entry>
</feed>