platform

Bug 描述
访问前端页面时，会有两个请求404

复现步骤
该 Bug 复现步骤如下

1. 使用官方文档中的ym启动docker-compose
2. 访问前端页面
3. 弹出请求失败404

期望结果
xxx 能工作。

截屏

In order to achieve the expression like "Power($close, Rank($close, 14))" which is fairly common in fomulla alpha.

I guess we could use following code:

class Power(NpPairOperator): def __init__(self, feature_left, feature_right): super(PairPower, self).__init__(feature_left, feature_right, "power")

Finally, we could add a rpow magic method to Expression class

For example, in repo view, it shows [s] on hover for "Force Stage" but the key is just for "Stage".

点击密码框时，会弹出华为的安全键盘，这时调试页面就黑屏了

It's high time we introduced a test suite alongside the development process to help catch regressions. As we move towards a more class-based ecosystem with less reliance on global variables, this should become achievable with something like PHPUnit.

This will be an ongoing issue, so no milestone required. It can be closed when a framework is in place and the tests start being added. At minimum we