Go技术日报(2021-04-24)——go 语言的 31 个坑

<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: ”Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. And to make matters worse: complexity sells better.” - Edsger W. Dijkstra</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--2021-04-24</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/eb_Ilz_G7vZHQwCVqLxToQ" 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 在 AI 领域也火了？这招聘不错，薪资不低</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/c3mOGotVOzUrl1P8r-PSxA" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">redis 跳表分析并用 Go 实现 — 碾压面试官</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/ZpdggO78kTX4bDHyKlzF-g" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">源码剖析Go类型断言是如何实现的！附性能损耗测试</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/230JbBZEngEtyNtBE5N03w" 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(2021-04-23)——站长的Go语言书单</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、polarisxu</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/3cPsMRrsk4CaNAbpx283kw" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">true != true？面试官，你坑人！！！</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、吴亲强的深夜食堂</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/zMfukmRvVOXl9Fq3nyjgIg" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">在Go中，你犯过这些错误吗</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;">五、后端技术指南针</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/KQ_j4-3BP32aBH2-XOIw9Q" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Redis 6.0多线程探秘(上)</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、五分选手</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/gLne35DARbLIAUTGLPZEAQ" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">什么是树状数组？现在就带你研究</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、HHFCodeRv</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/2NsAl5yEPxwbpyATpuEa3Q" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">这一次，彻底搞懂 Go Cond</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/v1czjzlUsaSQTpAOG9Ub3w" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">一个新细节，Go 1.17 将允许切片转换为数组指针！</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/CfXknlNVZbnqP5QHaANVuA" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">愿你我同在阳光下出行，Gophers Coming</a></section></li></ol> <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;">来源: https://studygolang.com/go/godaily</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;">GOCN每日新闻--2021-04-24</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://mp.weixin.qq.com/s/cJf660raLfQ4HmSijkD7RA" 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 语言基础系列（八）：面向对象编程之接口 </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://www.jianshu.com/p/311649bb2894" 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 语言的 31 个坑 </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/6954542723747708936" 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 - 一个对新手很友好的项目 (带界面)</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://juejin.cn/post/6954359234528018445" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">聊聊 dbsync 的 jobs </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/6953999719672578055" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">聊聊 dbsync 的 Schedulable </a></p> <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;">来源：https://gocn.vip/topics/node18</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;">gopherDaily--2021-04-24</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://cloud.google.com/blog/topics/developers-practitioners/go-powering-enterprise-developers-developer-survey-results" 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正在为企业开发者提供动力：Go开发者调查的结果分析 </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://preslav.me/2021/04/23/between-golang-and-elixir/" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">关于Go与Elixir语言的思考 </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://github.com/aos-dev/go-storage" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">面向Go应用的统一存储层</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://utcc.utoronto.ca/~cks/space/blog/programming/GoConvertSliceToArray" 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 1.17支持将一个切片转换为一个数组指针</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://github.com/minio/minio/commit/069432566fcfac1f1053677cc925ddafd750730a" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">minio更换license：由Apache2换为AGPL 3.0 </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://github.com/LesnyRumcajs/grpc_bench/wiki/2021-04-13-bench-results" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">多语言gRPC性能测试结果，Go rpc实现随着cpu数量的增加而线性增加, cpu利用率也很线性 </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://groups.google.com/g/kubernetes-announce/c/is_pjOd5hho" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">kubernetes将版本发布次数从一年四次改为一年发布三次 </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://gigaom.com/report/gigaom-radar-for-high-performance-object-storage/" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">高性能对象存储技术雷达</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://adtac.in/2021/04/23/note-on-worker-pools-in-go.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 goroutine worker池考量</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://www.youtube.com/watch?v=zlPDWBLhn6c" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">油管视频：使用Fyne实现国际象棋游戏 </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;">11.<a href="https://github.com/trntv/kubernetes-dashboard-desktop-app" style="text-decoration: none; word-wrap: break-word; font-weight: bold; color: rgb(239, 112, 96); border-bottom: 1px solid rgb(239, 112, 96);">Kubernetes Dashboard的桌面应用(非官方) </a></p> <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;">来源：https://gopher-daily.com/</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;">码农桃花源--2021-04-24</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> <h3 data-tool="mdnice编辑器" style="margin-top: 30px; margin-bottom: 15px; padding: 0px; font-weight: bold; color: black; font-size: 20px;"><span class="prefix" style="display: none;"></span><span class="content">优质文章汇总</span><span class="suffix" style="display: none;"></span></h3> <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/o2oMMh0PF5ZSoYD0XOBY2Q" 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GC20问</a></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;"><a href="https://mp.weixin.qq.com/s/Hm8egXrdFr5c4-v--VFOtg" 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语言内存分配</a></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;"><a href="http://hopehook.com/blog/time_wait_close_wait" style="text-decoration: none; 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