https://olowolo.com/Recent content in Home on olOwOloHugozh-CNFri, 13 Jul 2018 00:00:00 +0800https://olowolo.com/post/generate-json-api-and-graphql-api-by-elide-and-spring/Fri, 13 Jul 2018 00:00:00 +0800https://olowolo.com/post/generate-json-api-and-graphql-api-by-elide-and-spring/<p><a href="https://github.com/yahoo/elide">Elide</a> 是一个主要基于 JPA 注释自动构建 <a href="http://jsonapi.org/">JSON API</a> / <a href="https://graphql.org/">GraphQL</a> 接口的中间件。只需要给实体对象新增一个注解即可获得 CRUD 的 API，同时也提供了接口让你整合业务逻辑，权限控制，swagger 文档&hellip;</p> <p>类比的话，或许有点儿类似于 Spring Data REST，不过它做得更多，生成的接口也更丰富&hellip;</p>https://olowolo.com/post/jpa-generation-type-insert-benchmark-on-postgresql/Sun, 18 Mar 2018 23:14:13 +0800https://olowolo.com/post/jpa-generation-type-insert-benchmark-on-postgresql/<script src="https://cdn.jsdelivr.net/npm/echarts@4.0.4/dist/echarts.common.min.js" integrity="sha256-CRtw4pUXzFosdt4rnjf2ZPyVHH48Rsd5ddXe6jZ6iPM=" crossorigin="anonymous"></script> <div id="benchmark-chart" style="width: 100%;height: 400px;margin: auto;"></div> <script> var benchmarkChart = echarts.init(document.getElementById('benchmark-chart')); var serial = { type: 'bar' }; var option = { legend: {selected: {}}, tooltip: {}, dataset: { dimensions: ['ops', 'identity', 'identity+batch', 'sequence', 'sequence+optimizer', 'sequence+batch', 'sequence+optimizer+batch', 'table', 'table+optimizer', 'table+batch', 'table+optimizer+batch'], source: [ {ops: '1 thread', 'identity': 280, 'identity+batch': 105, 'sequence': 354, 'sequence+optimizer': 294, 'sequence+batch': 104, 'sequence+optimizer+batch': 44, 'table': 650, 'table+optimizer': 295, 'table+batch': 361, 'table+optimizer+batch': 49}, {ops: '2 threads', 'identity': 369, 'identity+batch': 143, 'sequence': 476, 'sequence+optimizer': 403, 'sequence+batch': 164, 'sequence+optimizer+batch': 71, 'table': 833, 'table+optimizer': 408, 'table+batch': 576, 'table+optimizer+batch': 85}, {ops: '4 threads', 'identity': 548, 'identity+batch': 218, 'sequence': 670, 'sequence+optimizer': 537, 'sequence+batch': 204, 'sequence+optimizer+batch': 95, 'table': 1454, 'table+optimizer': 547, 'table+batch': 1101, 'table+optimizer+batch': 101}, {ops: '8 threads', 'identity': 607, 'identity+batch': 274, 'sequence': 767, 'sequence+optimizer': 633, 'sequence+batch': 252, 'sequence+optimizer+batch': 123, 'table': 4260, 'table+optimizer': 643, 'table+batch': 2409, 'table+optimizer+batch': 138}, {ops: '16 threads', 'identity': 805, 'identity+batch': 404, 'sequence': 1084, 'sequence+optimizer': 858, 'sequence+batch': 417, 'sequence+optimizer+batch': 193, 'table': 6573, 'table+optimizer': 936, 'table+batch': 5097, 'table+optimizer+batch': 257} ] }, xAxis: {type: 'category'}, yAxis: {}, series: [ serial, serial, serial, serial, serial, serial, serial, serial, serial, serial ] }; option.dataset.dimensions.filter(function(value) { return value !== 'ops' && value !== 'identity' && value !== 'sequence' && value !== 'table'; }).forEach(function(item) { option.legend.selected[item] = false; }); benchmarkChart.setOption(option); </script>https://olowolo.com/post/new-mybatis-dynamic-sql/Tue, 06 Feb 2018 15:09:02 +0800https://olowolo.com/post/new-mybatis-dynamic-sql/<p><strong>通过全新的 ByExample 方法快速了解一下这是什么：</strong></p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-java" data-lang="java"><span style="display:flex;"><span><span style="color:#75715e">// where (id &lt; ? and employed = ?) or occupation like ? order by id DESC</span> </span></span><span style="display:flex;"><span>List<span style="color:#f92672">&lt;</span>Employee<span style="color:#f92672">&gt;</span> employees <span style="color:#f92672">=</span> mapper.<span style="color:#a6e22e">selectByExample</span>() </span></span><span style="display:flex;"><span> .<span style="color:#a6e22e">where</span>(id, isLessThan(10), and(employed, isEqualTo(<span style="color:#e6db74">&#34;foo&#34;</span>))) </span></span><span style="display:flex;"><span> .<span style="color:#a6e22e">or</span>(occupation, isLike(<span style="color:#e6db74">&#34;b%&#34;</span>)) </span></span><span style="display:flex;"><span> .<span style="color:#a6e22e">orderBy</span>(id.<span style="color:#a6e22e">descending</span>()) </span></span><span style="display:flex;"><span> .<span style="color:#a6e22e">build</span>() </span></span><span style="display:flex;"><span> .<span style="color:#a6e22e">execute</span>(); </span></span></code></pre></div>https://olowolo.com/post/google-doodle-kids-coding-collect-carrots-solution/Mon, 04 Dec 2017 19:54:36 +0800https://olowolo.com/post/google-doodle-kids-coding-collect-carrots-solution/<p>今天的 <a href="https://www.google.com/logos/2017/logo17/logo17.html">庆祝《Kids Coding》问世 50 周年</a> 涂鸦解法，啊哈哈啊哈哈啊哈哈哈哈 XD</p> <!-- /img/google-doodle/kids-coding/4-7.png https://i.loli.net/2018/01/28/5a6dedfb6e03c.png /img/google-doodle/kids-coding/4-6.png https://i.loli.net/2018/01/28/5a6dedfb4e3e5.png /img/google-doodle/kids-coding/5.png https://i.loli.net/2018/01/28/5a6dedfbb3868.png /img/google-doodle/kids-coding/6.png https://i.loli.net/2018/01/28/5a6dedfc3b5de.png --> <figure class="center"><img src="https://i.loli.net/2018/01/28/5a6dedfb6e03c.png"><figcaption> <h4>第四关 7 个块</h4> </figcaption> </figure> <figure class="center"><img src="https://i.loli.net/2018/01/28/5a6dedfb4e3e5.png"><figcaption> <h4>实际上 6 个块也可以的</h4> </figcaption> </figure> <figure class="center"><img src="https://i.loli.net/2018/01/28/5a6dedfbb3868.png"><figcaption> <h4>第五关 6 个块</h4> </figcaption> </figure> <figure class="center"><img src="https://i.loli.net/2018/01/28/5a6dedfc3b5de.png"><figcaption> <h4>4 个块解决第六关</h4> </figcaption> </figure>https://olowolo.com/post/hugo-quick-start/Tue, 15 Aug 2017 21:24:51 +0800https://olowolo.com/post/hugo-quick-start/<p><strong>为什么选择 Hugo ？</strong></p> <ul> <li>快！世界上最快的静态网站生成工具！<a href="https://twitter.com/dzello/status/895835610476199939">5秒生成6000个页面！</a></li> <li>超详细的文档，<del>虽然是英文的</del></li> <li>活跃的<a href="https://discourse.gohugo.io/">社区</a></li> <li>更加自由的内容组织方式</li> <li>丰富的主题，目前主题数量已经超过 Hexo</li> </ul> <p><strong>Hugo 有哪些劣势 ？</strong></p> <ul> <li>你喜欢的某个 Jekyll 或者 Hexo 主题是无法直接用在 Hugo 上的 ┑(￣Д ￣)┍</li> </ul> <p><strong>那么&hellip;</strong></p>