Go技术日报(2021-12-21)—— goroutine防泄漏最佳实践

<section id="nice" data-tool="mdnice编辑器" data-website="https://www.mdnice.com" style="font-size: 16px; color: black; padding: 0 10px; line-height: 1.6; word-spacing: 0px; letter-spacing: 0px; word-break: break-word; word-wrap: break-word; text-align: left; font-family: Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;"><blockquote class="multiquote-1" data-tool="mdnice编辑器" style="border: none; display: block; font-size: 0.9em; overflow: auto; overflow-scrolling: touch; border-left: 3px solid rgba(0, 0, 0, 0.4); color: #6a737d; padding-top: 10px; padding-bottom: 10px; padding-left: 20px; padding-right: 10px; margin-bottom: 20px; margin-top: 20px; border-left-color: rgb(239, 112, 96); background: #fff9f9;"> <p style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0px; color: black; line-height: 26px;">每日一谚：make the zero value useful.</p> </blockquote> <h2 data-tool="mdnice编辑器" style="margin-top: 30px; margin-bottom: 15px; padding: 0px; font-weight: bold; color: black; border-bottom: 2px solid rgb(239, 112, 96); font-size: 1.3em;"><span class="prefix" style="display: none;"></span><span class="content" style="display: inline-block; font-weight: bold; background: rgb(239, 112, 96); color: #ffffff; padding: 3px 10px 1px; border-top-right-radius: 3px; border-top-left-radius: 3px; margin-right: 3px;">go中文网每日资讯--2021-12-21</span><span class="suffix"></span><span style="display: inline-block; vertical-align: bottom; border-bottom: 36px solid #efebe9; border-right: 20px solid transparent;"> </span></h2> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">一、Go语言中文网</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><p style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;"><a href="https://mp.weixin.qq.com/s/n4ZsyES7uEdtDeBUQK8pCg" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">盘点那些提高生产力的 VS Code 插件</a></p> </section></li><li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><p style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;"><a href="https://mp.weixin.qq.com/s/AqEaYIRPSKjzZ1AE4cDtHA" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">如何使用 WebAsemmbly 在浏览器中编译 Go 代码</a></p> </section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">二、亚军进化史</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><a href="https://mp.weixin.qq.com/s/V6i4f2XlX4I5DE8j3Zf6nA" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go技术日报(2021-12-20)——探讨系统中钱的精度问题</a></section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">三、云原生技术爱好者社区</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><a href="https://mp.weixin.qq.com/s/cSY2jU9x71YN69hmggyzgQ" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">深入理解 goroutine 泄漏和避免泄漏的最佳实践</a></section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">四、董泽润的技术笔记</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><p style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;"><a href="https://mp.weixin.qq.com/s/s1QmqB7Xf3IrgRebd3RFow" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">案例：一次不寻常的慢查调优经历</a></p> </section></li><li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><p style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;"><a href="https://mp.weixin.qq.com/s/LmBH5Acl-GxtRmEMuLITaw" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">SQL优化系列之 in与range 查询</a></p> </section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">五、幽鬼</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><a href="https://mp.weixin.qq.com/s/r7W3WigooZ49GtmGaIBlPQ" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go 1.18 中的自引用接口，你看懂了吗？</a></section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">六、小白debug</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><a href="https://mp.weixin.qq.com/s/_6xlN7WEDslNeihQ_4d_1w" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">推荐一个强大的Go库-rk-boot</a></section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">七、网管叨bi叨</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><a href="https://mp.weixin.qq.com/s/hKYMJy3wpvjWG1LZdJIqNw" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go 除了泛型外最值得期待的新功能，模糊测试</a></section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">八、脑子进煎鱼了</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><a href="https://mp.weixin.qq.com/s/bL5ZZ4blJgkkSw5uxWkmHg" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">长达 12 年，Go 才引入泛型，是政治，还是技术问题？</a></section></li></ol> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">九、Go招聘</p> <ol data-tool="mdnice编辑器" style="margin-top: 8px; margin-bottom: 8px; padding-left: 25px; color: black; list-style-type: decimal;"> <li><section style="margin-top: 5px; margin-bottom: 5px; line-height: 26px; text-align: left; color: rgb(1,1,1); font-weight: 500;"><a href="https://mp.weixin.qq.com/s/eh7Wlc___Z4uJz2cVtig1g" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">学会这几招让 Go 程序自己监控自己</a></section></li></ol> <h2 data-tool="mdnice编辑器" style="margin-top: 30px; margin-bottom: 15px; padding: 0px; font-weight: bold; color: black; border-bottom: 2px solid rgb(239, 112, 96); font-size: 1.3em;"><span class="prefix" style="display: none;"></span><span class="content" style="display: inline-block; font-weight: bold; background: rgb(239, 112, 96); color: #ffffff; padding: 3px 10px 1px; border-top-right-radius: 3px; border-top-left-radius: 3px; margin-right: 3px;">GOCN每日新闻--2021-12-21</span><span class="suffix"></span><span style="display: inline-block; vertical-align: bottom; border-bottom: 36px solid #efebe9; border-right: 20px solid transparent;"> </span></h2> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">1.<a href="https://gocn.vip/topics/20888" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">全文检索库 bluge </a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">2.<a href="https://juejin.cn/post/7043975020153929735" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go 编译原理系列 2（词法分析&amp;语法分析基础）</a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">3.<a href="https://juejin.cn/post/7043965430314041357" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">如何降低 gRPC 后端重复请求的问题 </a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">4.<a href="https://gocn.vip/topics/20887" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Goravel，一个功能完备、具有良好扩展能力的 Golang Web 应用程序框架，致敬 Laravel</a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">5.<a href="https://juejin.cn/post/7043615695480815646" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go 语言逆向技术：常量字符串 </a></p> <h2 data-tool="mdnice编辑器" style="margin-top: 30px; margin-bottom: 15px; padding: 0px; font-weight: bold; color: black; border-bottom: 2px solid rgb(239, 112, 96); font-size: 1.3em;"><span class="prefix" style="display: none;"></span><span class="content" style="display: inline-block; font-weight: bold; background: rgb(239, 112, 96); color: #ffffff; padding: 3px 10px 1px; border-top-right-radius: 3px; border-top-left-radius: 3px; margin-right: 3px;">gopherDaily--2021-12-21</span><span class="suffix"></span><span style="display: inline-block; vertical-align: bottom; border-bottom: 36px solid #efebe9; border-right: 20px solid transparent;"> </span></h2> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">1.<a href="https://rakyll.org/generics-facilititators/" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go泛型的facilitator模式 </a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">2.<a href="https://zephyrtronium.github.io/articles/generics-enums.html" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go泛型约束不是enum </a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">3.<a href="https://echorand.me/posts/go-values-references-etc/" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go语言深拷贝与浅拷贝详解 </a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">4.<a href="https://github.com/ichiban/prolog" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">ichiban/prolog：一种可嵌入Go的prolog脚本引擎</a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">5.<a href="https://gitlab.com/cznic/benchmark-ordered-map/-/blob/master/README.md" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Go有序map数据结构的基准测试大比较 </a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">6.<a href="https://prog-bytes.hashnode.dev/merkle-trees" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">使用Go实现merkle tree</a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">7.<a href="https://github.com/suzmue/gophercon#treasure-hunting-in-other-editors" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">调试器寻宝之旅</a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">8.<a href="https://github.com/harvester/harvester" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Harvester：建立在Kubernetes上的开源超融合基础设施（HCI）软件，发布了1.0版本</a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">9.<a href="https://redis.com/blog/redis-cache-vs-redis-primary-database-in-90-seconds/" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">作为缓存的Redis与作为主数据库的Redis在90秒内的对比</a></p> <p data-tool="mdnice编辑器" style="font-size: 16px; padding-top: 8px; padding-bottom: 8px; margin: 0; line-height: 26px; color: black;">10.<a href="https://coolshell.cn/articles/21672.html" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">我做系统架构的一些原则 </a></p> </section>