Jim Abraham

```javascript var html2markdown = require('html2markdown'); var fs = require('fs'); var http = require('http'); http.createServer(function(req, res){ fs.readFile('index.html',function (err, data){ if (err) throw new Error(err); res.writeHead(200, {'Content-Type': 'text/html','Content-Length':data.length}); res.write(html2markdown(data)); res.end(); }); }).listen(8000);...

[NEW TOOL] common reg expression and latex generator?

4

**What tool do you want?** common reg expression and latex generator? **Describe the solution you'd like** 1. common reg expression: like phone, email, ipaddress, id card number and so on....

问题1：这个算法提交论文的链接失效了，能否讲一下。 Efficient data-driven Online Model Learning (OML) / system identification and control. The algorithm is proposed in this [paper](https://arxiv.org/abs/1707.02876.). 问题2：对于这个算法的实现，主要应用于哪些场景？ 1：LIT 系统 2：NLIT系统 3：nonlinear and/or time-varying [dynamical system] 到底是哪一种？ 我运行了一下测试用例，也没看出来这个算法到底是干什么的，求教。...

## Bug description Please include steps to reproduce (like `go to...`/`click on...` etc.) + expected and actual behaviour. For non-trivial issues, we would also appreciate if you included the following...

prism.css file line 44 have a error

1

prism.css file line 44: ```css pre[class*="language-"] > code[data-prefix]:before { color: $676767; content: attr(data-prefix); padding-right: 8px; } ``` shoud be: ```css pre[class*="language-"] > code[data-prefix]:before { color: #676767; content: attr(data-prefix); padding-right: 8px;...

GCC and python3-dev is missing

1

```shell apk add --no-cache --update \ bash \ gcc \ python3-dev \ py3-argparse \ py3-flask \ python3-dev \ musl-dev \ py3-pygments \ python3-tkinter \ sqlite-libs \ py3-pip ```