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Becoming an Indie Developer


  • 📝 Be good at golang/python backend development
  • 💬 Learning k8s and flutter development
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python pdb简明教程 | vlean's blog

https://www.vlean.xyz/202108/python-pdb%E7%AE%80%E6%98%8E%E6%95%99%E7%A8%8B/

背景在本地开发时,我们能很方便的借助ide的debug功能对代码进行断点调试,同时也能方便的查看每个变量的值。但是在服务器上调试时,就很难有这么方便的ide可以使用了。常用的做法是在不停的打print,或者启动交互终端。很明显,这种方式的效率不可避免的很低。 这时,python的调试器PDB就派上用场了,它支持在源码行间设置(有条件的)断点和单步执行,检视堆栈帧,列出源码列表,以及在任何堆栈帧的上

python内存泄漏排查指北 | vlean's blog

https://www.vlean.xyz/202107/python-memory-leak-debug/

0x00 背景内存泄漏是程序常见的错误行为之一,在uwsgi或者gunicorn里可以配置max-requests参数,来决定执行多少次请求后,重启worker来对抗内存泄漏问题,此外语言还有gc机制,在一般情况都不需要考虑内存泄漏问题。但是不正确的程序写法,在某些场景下会导致内存飙升,内存使用率居高不下,甚至OOM。因此内存泄漏问题需要引起我们的重视,在出现内存泄漏问题时,及时定位和解决。 那怎

vue3思维导图 | vlean's blog

https://www.vlean.xyz/202201/vue3/#more

应用Vue.createApp 完整api参考应用 API Data 函数,创建新组件时调用,返回对象 实例property仅在首次创建时添加 有必要使用null、undefined占位 props 从父组件接收数组或对象 computed 计算属性,所有复杂计算应使用,数据变更响应渲染 {{hasMessage}}<

Go泛型参考 | vlean's blog

https://www.vlean.xyz/202112/go-generics/#more

0x00 前言泛型已经确定将在go 1.18里发布,预计到22年2月份就可以使用到release版本的go泛型了。虽然官方并不建议大家在第一时间去把内部组件升级到泛型版本,但是提前了解下泛型对我们使用上有什么影响还是很有必要的。个人认为Go泛型是go在1.11支持go mod之后对语言层面最大的一次变动。早在go 1.17时,在master分支里就能看到go泛型的身影,只是默认不开启,即cmd/c

Nginx速查手册 | vlean's blog

https://www.vlean.xyz/202109/nginx-config/#more

0x00 Nginx手册 Nginx配置文档 官方文档 0x01 常用配置详细参考: nginx配置语法、实用配置 location匹配命令 参数 名称 说明 示例 空 普通前端匹配的路径 location 后没有参数直接跟着 标准 URI,表示前缀匹配,代表跟请求中的 URI 从头开始匹配。 location / {} = 精确匹配的路径 用于标准 URI

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