https://ruby-china.org/bakadia en-us <p>多年全栈+AI 应用，目前对公司产品升级已有一定成果，不过进度受限于各方面，推进缓慢。所以想参与行业/产品垂类 AI 工作助手 (简单理解：定制 workbuddy) 的研发。特来平台寻求一些资源，非广，支持青岛线下 PK，其他 xx 会议。</p> <p>您的收益： 1.了解前沿 ai 应用最新可能性 2.得到能负责产品全生命周期落地能力的伙伴 3.可能有一个 demo 和展示视频 4.更多深入沟通...</p> <p>我的收益： 1.提升代码架构和产品能力 2.开阔不同行业认知和前沿风景 3.更稳定/自由的未来选择</p> <p>最短路径： 1.如果你有想法，方便说一下在用但是不太好用的小网站 (大平台一般反扒很厉害，纯外部不太好桥接) 2.如果你有产品，可以私聊交流，尝试进行 AI 助手化，保密协议等都接受 3.如果你做产品，可以私聊交谈，对于 AI 应用有较高的经验，抉择避坑能提供一些建议</p> bakadia Wed, 21 Oct 2026 15:23:19 +0800 https://ruby-china.org/topics/44728 https://ruby-china.org/topics/44728 <h2 id="报错信息">报错信息</h2><pre class="highlight html"><code>F, [2021-06-28T15:45:20.726228 #3647] FATAL -- : [2cfaf5da-b1a0-405b-b0df-2831808cef38] Rack::QueryParser::InvalidParameterError (invalid %-encoding ("file"; filename="file-1624866321926" Content-Type: text/plain ftypisomisomiso2avc1mp4freey@mdatGVJ�\LC?���<span class="nt">&lt;</span><span class="err">�</span><span class="na">C</span><span class="err">�����=</span> <span class="err">��=%�</span> <span class="err">$8{.</span><span class="na">c</span><span class="err">��$</span><span class="na">S</span> <span class="err">�</span><span class="na">h</span><span class="err">�],��</span><span class="na">n_A</span><span class="err">��</span><span class="na">P</span><span class="err">�</span><span class="na">W9</span><span class="err">(�([</span><span class="na">U</span><span class="err">���</span><span class="na">vM</span><span class="err">�|�</span><span class="na">Q</span><span class="err">�</span> <span class="err">���?�</span><span class="na">i</span><span class="err">�"</span> <span class="err">��</span><span class="na">d2</span><span class="err">�</span><span class="na">j</span><span class="err">,</span><span class="na">BOree</span><span class="err">�'</span><span class="na">j</span><span class="err">�����</span><span class="na">z</span><span class="err">�0�.5</span><span class="na">J</span><span class="err">����`�</span> <span class="err">�</span><span class="na">e</span><span class="err">��</span><span class="na">K</span><span class="err">��</span><span class="na">y</span><span class="err">�����3�))</span><span class="na">:J</span><span class="err">�'</span> <span class="na">F</span><span class="err">,</span> <span class="err">[2021</span><span class="na">-06-28T15:45:20.726312</span> <span class="na">#3647</span><span class="err">]</span> <span class="na">FATAL</span> <span class="na">--</span> <span class="na">:</span> <span class="err">[2</span><span class="na">cfaf5da-b1a0-405b-b0df-2831808cef38</span><span class="err">]</span> <span class="na">rack</span> <span class="err">(2.0.1)</span> <span class="na">lib</span><span class="err">/</span><span class="na">rack</span><span class="err">/</span><span class="na">query_parser.rb:72:in</span> <span class="err">`</span><span class="na">rescue</span> <span class="na">in</span> <span class="na">parse_nested_query</span><span class="err">'</span> <span class="err">[2</span><span class="na">cfaf5da-b1a0-405b-b0df-2831808cef38</span><span class="err">]</span> <span class="na">rack</span> <span class="err">(2.0.1)</span> <span class="na">lib</span><span class="err">/</span><span class="na">rack</span><span class="err">/</span><span class="na">query_parser.rb:60:in</span> <span class="err">`</span><span class="na">parse_nested_query</span><span class="err">'</span> <span class="err">[2</span><span class="na">cfaf5da-b1a0-405b-b0df-2831808cef38</span><span class="err">]</span> <span class="na">rack</span> <span class="err">(2.0.1)</span> <span class="na">lib</span><span class="err">/</span><span class="na">rack</span><span class="err">/</span><span class="na">request.rb:468:in</span> <span class="err">`</span><span class="na">parse_query</span><span class="err">'</span> <span class="err">[2</span><span class="na">cfaf5da-b1a0-405b-b0df-2831808cef38</span><span class="err">]</span> <span class="na">rack</span> <span class="err">(2.0.1)</span> <span class="na">lib</span><span class="err">/</span><span class="na">rack</span><span class="err">/</span><span class="na">request.rb:343:in</span> <span class="err">`</span><span class="na">POST</span><span class="err">'</span> <span class="err">[2</span><span class="na">cfaf5da-b1a0-405b-b0df-2831808cef38</span><span class="err">]</span> <span class="na">actionpack</span> <span class="err">(5.0.1)</span> <span class="na">lib</span><span class="err">/</span><span class="na">action_dispatch</span><span class="err">/</span><span class="na">http</span><span class="err">/</span><span class="na">request.rb:355:in</span> <span class="err">`</span><span class="na">block</span> <span class="err">(2</span> <span class="na">levels</span><span class="err">)</span> <span class="na">in</span> <span class="na">POST</span><span class="err">'</span> </code></pre><h2 id="涉及gem">涉及 gem</h2><pre class="highlight ruby"><code><span class="n">rack</span> <span class="p">(</span><span class="mf">2.0</span><span class="o">.</span><span class="mi">1</span><span class="p">)</span> <span class="n">rails</span> <span class="p">(</span><span class="mf">5.0</span><span class="o">.</span><span class="mi">1</span><span class="p">)</span> </code></pre><h2 id="自救过程">自救过程</h2> <p>初看是一个未处理的“%”导致 rack 在解析请求报错了，但是这是一个二进制文件上传，未处理的“%”应该是文件内的，不知道 rack 是怎么解析请求。 <img title=":sweat_smile:" alt="😅" src="https://twemoji.ruby-china.com/2/svg/1f605.svg" class="twemoji"> 于是我尝试写了一个中间件提前截取了 rack 的 env["rack.request.form_vars"]，大致内容如图：<img src="https://l.ruby-china.com/photo/bakadia/49ccc219-82bb-4a06-990d-afcf6c5e2c48.png!large" title="" alt=""> 中间乱码部分是一个视频，提取出来保存.mp4 就可以正常使用了。</p> <p>现在有两种路子可以走，用自定义中间件把 env["rack.request.form_vars"] 调整成 rack 能解析的样子。或者用自定义中间件把内容先存到一个 tmp 的文件内，然后把会报错的内容清除，到 controller 再处理。</p> <h2 id="测试文件">测试文件</h2><pre class="highlight html"><code>链接：https://pan.baidu.com/s/1rnYJSQ5wXUO3glZb-_V2wg 提取码：j52c </code></pre><h2 id="遇到难题">遇到难题</h2> <p>1.怎么调整才能调整成 rack 能解析的模样</p> <p>2.先直接存到一个 tmp 文件后，怎么优雅的把多余的内容删除，只保留视频的内容</p> bakadia Mon, 28 Jun 2021 16:19:07 +0800 https://ruby-china.org/topics/41419 https://ruby-china.org/topics/41419 <pre class="highlight ruby"><code><span class="nb">require</span> <span class="s1">'mail'</span> <span class="n">mail_content</span> <span class="o">=</span> <span class="no">File</span><span class="p">.</span><span class="nf">open</span><span class="p">(</span><span class="s1">'images/tmp.eml'</span><span class="p">).</span><span class="nf">read</span> <span class="n">mail</span> <span class="o">=</span> <span class="no">Mail</span><span class="p">.</span><span class="nf">new</span><span class="p">(</span><span class="n">mail_content</span><span class="p">)</span> <span class="n">body</span> <span class="o">=</span> <span class="n">mail</span><span class="p">.</span><span class="nf">body</span> </code></pre> <p>使用了以上方式读取 eml 邮件，拿出来发现 body 编码格式是 7bit，解析困难。<img title=":sob:" alt="😭" src="https://twemoji.ruby-china.com/2/svg/1f62d.svg" class="twemoji"> 然后用了几种转码方法都没有成功 并没有把内容转化成 UTF-8，就卡这里了。求问怎么正常转换成 UTF-8，或者直接把 eml 的文件转成 html 或者 txt</p> bakadia Wed, 05 Dec 2018 18:52:45 +0800 https://ruby-china.org/topics/37860 https://ruby-china.org/topics/37860