lihan

ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()

2

File "C:\software\anconda\lib\site-packages\sko\GA.py", line 57, in penalty_ueq = np.array([np.sum(np.abs([max(0, c_i(x)) for c_i in self.constraint_ueq])) for x in self.X]) ValueError: The truth value of an array with more than one element is...

github图片上传失败, 以及如何查看已经上传的图片

13

上传图片失败。错误信息fail to parse resu1 t image path from：打开文件铁败：open https://raw.githubusercontent.com/1i54426/thepictures/main/assets/5418798-bcc2dc27c141255b.png:The filename，directory name，or volume label syntax is incorrect.

提示 Liquid Warning: Liquid syntax error (line 86): Invalid attribute in for loop. Valid attributes are limit and offset in "category in site.categories order:ascending" in index.html Liquid Exception: Liquid error...

为什么设置的字段标签没有起作用

2

## Your Question 在 gorm 中，type User struct { UserId int64 `gorm:"autoIncrement"` Name string `gorm:"primaryKey"` Password string `gorm:"primaryKey"` signature string CreatedAt time.Time `gorm:"default (autoCreateTime)"` // DeleteAt time.Time } 为什么但是在实际的数据库中，CREATE TABLE...

两页合并成一页的功能

1

**使用场景** 在打印一本书时 **功能应该怎样实现** 将两页竖版的a4纸张, 合并成 横着的一页 **类似软件** 浏览器打开, 两页两页输出 **其它内容** 与本需求相关的其它内容

How to add another page after the navigation pane, such as' about '

51. 平移二叉树（第七期模拟笔试）C++

1

```c++ #include #include #include using namespace std; // 这一层旋转k , 下一层旋转 2 * k void myreverse(vector &tree, int i , int k ){ if(i == tree.size() ){ return; } //...

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