https://ruby-china.org/jwu en-us <p>我现在在通过自己从头写一个简单的‘请求批准’ - Request For Approval webapp 来练手 Rails，在数据库设计这块琢磨不出最佳方案特来诚求大家的指点。</p> <p>app 的业务逻辑不复杂：</p> <ul> <li>每位员工都有他/她的直属上级</li> <li>一个上级有多个下级，每个下级只有一个直线上级</li> <li>每位员工都能够发起请求，由他/她的主管对其进行批准或拒绝</li> </ul> <p>我草拟了两套方案：</p> <ul> <li> <p>方案一将员工分成了 User 和 Superuser</p> <ul> <li>这个方案比较直接，但貌似有重叠情况（A 君即是 Superuer 管理数位 User，但同时也是 User，有一位他的上级） <img src="//l.ruby-china.com/photo/2013/074573cf4120c39e247b48986d8aa04c.png" title="" alt=""> </li> </ul> </li> <li> <p>方案二将员工都视为 User，但有不同的 role</p> <ul> <li>避免了重叠，但没有体现出 superuser has_many users, user belongs_to superuser 的关系 <img src="//l.ruby-china.com/photo/2013/7ebc3a19afed16a9e88b130cee4d1649.png" title="" alt=""> </li> </ul> </li> </ul> jwu Thu, 14 Nov 2013 00:01:58 +0800 https://ruby-china.org/topics/15524 https://ruby-china.org/topics/15524 <p><a href="http://howtocode.io/index.html" rel="nofollow" target="_blank">http://howtocode.io/index.html</a> will teach you high quality web development, for free. Our aim is to take you from Novice To Employable.</p> <p>Watch the introduction video to learn more, discover the full course content or even watch a sample video.</p> <p>​Read, watch, learn and most importantly <strong>please share, as the full course will be built as soon as enough people have signed up. It’s you who can make it happen.</strong></p> <p>Course Content</p> <p>From basic HTML to advanced Ruby on Rails techniques</p> <p>The whole course is divided into 16 blocks which are split into topics. Instead of working on a set of small examples, you will work on a single web application, The Red Ruby Restaurant, using what you learn in each block to enhance it. At the beginning of each block, you can download an up-to-date version of the sample app if you chose not to start the course at the first block.</p> <ul> <li>Block 1: Introduction</li> <li>Block 2: Structure with HTML</li> <li>Block 3: Styling with CSS</li> <li>Block 4: Keeping track with Git</li> <li>Block 5: Programming basics</li> <li>Block 6: Interaction with JavaScript</li> <li>Block 7: JQuery</li> <li>Block 8: The Ruby language</li> <li>Block 9: Object-Oriented Programming</li> <li>Block 10: Ruby on the web with Rails</li> <li>Block 11: BDD with RSpec</li> <li>Block 12: User interaction with Rails</li> <li>Block 13: Advanced Rails techniques</li> <li>Block 14: Deployment</li> <li>Block 15: Sell yourself</li> <li>Block 16: Workshop</li> </ul> jwu Mon, 21 Oct 2013 16:01:32 +0800 https://ruby-china.org/topics/14913 https://ruby-china.org/topics/14913 <p>各位个人开发者、小工作室，请问你们对于第三方支持服务有兴趣吗？</p> <p>作为服务提供商，简单来说，我们想做的是让你们能够专注于产品，而我们为你们做好售后的支持。</p> <p>服务包括：</p> <ul> <li>前期，与你们一道整理出产品 Wiki 知识库</li> <li>中期，专业客服基于 Wiki 知识库提供一线多渠道 (电话、电邮、在线等) 支持</li> <li>后期，为你们提供后期的数据分析，帮助你们更好的改善产品</li> </ul> jwu Wed, 09 Oct 2013 11:16:44 +0800 https://ruby-china.org/topics/14608 https://ruby-china.org/topics/14608