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### 问题解析 | ||
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> [!TIP] | ||
> 开发过程中遇到的一些典型问题,该如何解决? | ||
- [Log4j2突发重大漏洞](docs/shigu/log4j2.md) | ||
- [重现了一波 Log4j2 核弹级漏洞,同事的电脑沦为炮灰](https://mp.weixin.qq.com/s/zXzJVxRxMUnoyJs6_NojMQ) | ||
- [生成订单30分钟未支付,则自动取消,该怎么实现?](https://mp.weixin.qq.com/s/J6jb_Dt3C49CIjYBTrN4gQ) | ||
- [两天两夜,1M图片优化到100kb!](docs/shigu/image-yasuo.md) | ||
- [内部群炸了锅,隔壁同事真删库了啊。。](https://mp.weixin.qq.com/s/lvyoN1gHCWhcPqudcjcRgQ) | ||
- [B 站崩了](https://mp.weixin.qq.com/s/PfJe5rXednkXTq8EKT0xpw) | ||
- [因为一个低级错误,生产数据库崩溃了将近半个小时](https://mp.weixin.qq.com/s/ec6u8WsPt7zJ0eul8sPEhg) | ||
- [防止重复提交最简单的方案是什么?](https://mp.weixin.qq.com/s/n9AFMwQB9V_fq_sED1EWvg) | ||
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### 代码优化 | ||
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- [49 个代码优化小技巧](https://mp.weixin.qq.com/s/ikfgfHunmlwR-43rd8LknQ) | ||
- [不要用“ ! = null ”做判空了!](https://mp.weixin.qq.com/s/9EOTzZ2Qx3u8oTyghkVUEg) | ||
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### 性能调优 | ||
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- [性能调优标准](https://mp.weixin.qq.com/s/vEt_ypvByKS-oCsuRmpgUw) | ||
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### MySQL重要知识点 | ||
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- [从京东到家程序员删库被判 10 个月来聊聊 MySQL 数据备份的杀手锏](docs/mysql/deletedb-binlog-weiguanjishu.md) | ||
- [深入浅出MySQL crash safe](https://tech.youzan.com/shen-ru-qian-chu-mysql-crash-safe/) |