Linux bcc tools使用总结（持续更新）Linux-bcc-toolsbcc及依赖安装（参考：INSTALL md）。1、execsnoop短时进程追踪工具，抓出短时间内谁在搞事情。使用场景：有些进程运行时间太短（可能是不断崩溃重启），因而使用其他工具无法捕获 ...

【解决】undefined reference to 'apr_thread_rwlock_destory'、undefined reference to 'apr_initialize'undefined_reference_apr1、首选确认安装了apr及apr-util否则报错<apr-1 apr_xxx h>头文件找不到。2、-lapr-1 -laprutil-1添加库链接，否则报错：undefined reference to & 39...

【解决】This is allowed only when policy CMP0079 is set to NEW.This-is-allowed-only-when-policy-CMP0079-is-set-to-NEWcmake最低版本设置为3 13以上，可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考：https: gitlab kitware com cmake cmake - issues 19693cma...

memcpy() 是非线程安全的，并发时需加锁或使用原子操作memcpy_thread_unsafe最近调查线上一个问题，就是一块 int32 的内存会极低概率出现 -18亿的巨数字，有时又是正确的。自己刻意测试又不能再现，在确认不可能将这样一个巨量数...

【解决】This is allowed only when policy CMP0079 is set to NEW.This-is-allowed-only-when-policy-CMP0079-is-set-to-NEWcmake最低版本设置为3 13以上，可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考：https: gitlab kitware com cmake cmake - issues 19693cma...

【解决】This is allowed only when policy CMP0079 is set to NEW.This-is-allowed-only-when-policy-CMP0079-is-set-to-NEWcmake最低版本设置为3 13以上，可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考：https: gitlab kitware com cmake cmake - issues 19693cma...

npm安装报错：rollbackFailedOptional verb npm-sessionrollbackFailedOptional-verb-npm-session使用npm install安装组件时报错：rollbackFailedOptional: verb npm-session xxxx原因：组件目标地址无法访问导致，切换npm内网源或国内源即可解决。npm config set regist ...

reactjs中防止字符转义，字符串不转义reactjs-dangerouslySetInnerHTML使用标签的dangerouslySetInnerHTML 属性即可，注意：必须是这种写法：<span dangerouslySetInnerHTML={{__html: & 39;<font color="red">ERROR< font>& 39;}}>(此处必须为空! 使用标签的 dangerously...

npm安装报错：rollbackFailedOptional verb npm-sessionrollbackFailedOptional-verb-npm-session使用npm install安装组件时报错：rollbackFailedOptional: verb npm-session xxxx原因：组件目标地址无法访问导致，切换npm内网源或国内源即可解决。npm config set regist ...

reactjs中防止字符转义，字符串不转义reactjs-dangerouslySetInnerHTML使用标签的dangerouslySetInnerHTML 属性即可，注意：必须是这种写法：<span dangerouslySetInnerHTML={{__html: & 39;<font color="red">ERROR< font>& 39;}}>(此处必须为空! 使用标签的 dangerously...