Go中几乎是最常用的故障注入工具

在Go中使用Failpoint注入故障

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另一个特别有用的信息是处于“可运行”状态的 goroutines 的数量（选定时间为 13 个）：如果这个数字随着时间的推移变得很大，这可能表明我们需要更多的 CPU 来处理负载。

跟踪器是调试并发问题（例如争用和逻辑竞争）的强大工具。但它并不能解决所有问题：它不是追踪哪段代码花费最多 CPU 时间或分配的最佳工具。更go tool pprof适合这些用例。

upstream模块的内容应放于 nginx.conf 配置的 http{} 标签内，其默认的调度算法是rr （轮循 round-robin）

https://www.cnblogs.com/yanjieli/p/10669846.html

https://www.jianshu.com/p/8671c40a5be8

Go 1.14为了优化计时器的性能，将计时器和epoll耦合在一起了~

创建一个timer时，也会进到epoll的初始化(新timer的实现依赖了epoll的实现)

原文链接: https://dashen.tech/page/55/index.html

版权声明: 转载请注明出处.

Gin可以通过c.Request.URL.Path 拿到请求的路径

从url中获取参数：ShouldBindUri(&req)

从body中获取参数：c.ShouldBindJSON(&req)

src/math/bits.go:

const SmallestNormal = 2.2250738585072014e-308 // 2**-1022

Numeric limitations

Note that cmd/dist and (I think) some parts of cmd/compile and cmd/link need to remain buildable with Go 1.4 for bootstraping. Thus, these cannot use features newer than Go 1.4. Also see src/cmd/dist/README.

However, #44505 proposes to adopt Go 1.16 as the bootstrap toolchain for Go 1.18. That proposal was accepted, so we’ll probably be able to replace io/ioutil there as well for Go 1.18.

https://github.com/golang/go/issues/45557

https://leetcode.cn/problems/parsing-a-boolean-expression/

https://leetcode.cn/problems/parsing-a-boolean-expression/solution/golang-fen-jie-by-resara/

https://leetcode.cn/problems/parsing-a-boolean-expression/solution/bian-yi-qi-yuan-li-bao-li-jie-biao-da-sh-7xlk/

原文链接: https://dashen.tech/page/55/index.html

版权声明: 转载请注明出处.

https://www.cnblogs.com/wt645631686/p/10102509.html

select id, CAST(config AS CHAR(10000) CHARACTER SET utf8) from 表名 where id=111

https://www.google.com.hk/search?q=MySQL+blob&oq=MySQL+blob&aqs=chrome..69i57j0i512l3j69i65j69i60l3.1133j0j4&sourceid=chrome&ie=UTF-8

Gosec是一个通过扫描Go AST来检查源代码是否存在安全问题的开源项目

gosec分析Go源代码,查找可能导致安全问题的常见编程错误。

静态单一赋值阶段进行的优化: 消除死代码, 删除不使用的分支, 替换一些常量表达式等等

Go SSA

https://ggaaooppeenngg.github.io/zh-CN/2017/01/22/SSA%E6%98%AF%E4%BB%80%E4%B9%88/

https://blog.csdn.net/sinat_35406909/article/details/104950795

https://blog.csdn.net/qq_42214953/article/details/118939629

https://blog.csdn.net/xiaoyida11/article/details/84880234

https://colobu.com/2019/05/27/configuring-sql-DB-for-better-performance/

https://www.qetool.com/scripts/view/3700.html#_lab2_0_0

https://blog.csdn.net/moxiaomomo/article/details/105003475