turned: function(e, page, view) { var book = $(this); if (page==2 || page==3) { book.turn('peel', 'br'); } updateDepth(book); $('#slider').slider('value', getViewNumber(book, page)); book.turn('center'); },
时间: 2024-01-09 19:04:01 浏览: 41
这段代码是一个名为 `turned` 的函数,它作为事件处理函数被调用。该函数在书籍翻页完成后被触发,接收三个参数:`e` 表示事件对象,`page` 表示当前翻到的页码,`view` 表示当前的视图。
以下是代码的功能解释:
1. 获取书籍对象:
- 通过 `$(this)` 获取书籍对象。
2. 根据当前页码进行操作:
- 如果当前页码为2或3,则调用 `book.turn('peel', 'br')` 方法,实现页面角部分的翻起效果。
3. 调用 `updateDepth` 函数来更新书籍的页面深度。
4. 使用 `$('#slider').slider('value', getViewNumber(book, page))` 更新滑块控件的值,以反映当前视图的页码。
5. 调用 `book.turn('center')` 方法,将当前页码对应的页面居中显示。
这段代码主要用于书籍翻页完成后的相关操作,包括角部翻起效果、页面深度更新、滑块控件的值更新以及页面居中显示。
相关问题
x = F.dropout(x, training=self.training)
This code line is using the dropout regularization technique to prevent overfitting in a neural network.
The `F.dropout` function is typically part of a deep learning framework such as PyTorch or TensorFlow. It essentially randomly drops out (sets to zero) some of the input values in the tensor `x` during training, with a probability specified by the dropout rate.
The `self.training` parameter is used to indicate whether the model is currently in training or evaluation mode. During training, dropout is applied to help the model generalize better to new data. During evaluation, dropout is turned off to allow the model to make accurate predictions on new data.
Overall, this code line is a common practice to improve the performance of a neural network and prevent overfitting.
out = out.squeeze().detach().cpu().numpy()
This line of code is used to convert a PyTorch tensor into a numpy array.
Here's what each method call does:
1. `out.squeeze()` removes any dimensions of size 1 from the tensor. For example, if the tensor shape is (1, 3, 1, 5), `squeeze()` would turn it into (3, 5).
2. `detach()` creates a new tensor that is a copy of the original tensor, but with the gradient computation turned off. This is useful when you want to manipulate the tensor without affecting the computation graph.
3. `cpu()` copies the tensor from GPU memory to CPU memory. If the tensor is already on the CPU, this method does nothing.
4. `numpy()` converts the tensor into a numpy array.
So the overall effect of this line of code is to convert a PyTorch tensor into a numpy array, with any dimensions of size 1 removed.
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