• The size of the detailed box model depends on its padding, margin and border values


    The box model specifies the values of width and height, padding of inner margin, border of border and margin of outer margin. The blank inside the border is padding, and the blank outside the border is margin. As shown below, the width of the box model element box = the width of the content area […]

  • pytorch nn.Conv2d Padding in () and output size mode


    I don’t want to talk much nonsense. Let’s go straight to the code! conv1=nn.Conv2d(1,2,kernel_size=3,padding=1) conv2=nn.Conv2d(1,2,kernel_size=3) inputs=torch.Tensor([[[[1,2,3], [4,5,6], [7,8,9]]]]) print(“input size: “,inputs.shape) outputs1=conv1(inputs) print(“output1 size: “,outputs1.shape) outputs2=conv2(inputs) print(“output2 size: “,outputs2.shape) Output: input size: torch.Size([1, 1, 3, 3]) output1 size: torch.Size([1, 2, 3, 3]) output2 size: torch.Size([1, 2, 1, 1]) Padding refers to padding before convolution, which […]

  • A detailed explanation of the problems in the combination of CSS ellipsis and padding


    Text truncation implemented by CSS Consider the following code to realize the style code of text exceeding automatic truncation: .truncate-text-4 { overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4; } Test with the following HTML fragment: <style> .my-div { width: 300px; margin: 10px auto; background: #ddd; } </style> <div class=”my-div truncate-text-4″> How Not […]

  • CSS multi column equal height


    Multi row equal height Columns with different heights are arranged in an equal height manner. demand The designer said that due to different news content, the height of the display area of a page’s news introduction is inconsistent, so it is necessary to keep its height visually consistent. Xiao Jia feels that it must be […]

  • The ratio of width to height of irregular elements in CSS


    The ratio of width to height of irregular elements In different screen situations, elements with different width and height are displayed in the same proportion, width and height. demand The designer wants the image area of the page to be displayed in a 2:1 ratio of width and height, and in the same width and […]

  • CSS overflow-scroll-with-padding (Webkit VS Firefox)


    Scenario: There is a container with a certain width and height and an inner margin. When the contents of the container (sub-elements) exceed the container, a scroll bar appears. This scenario is inconsistent between Chrome and Firefox (IE), with border-box layout. The code is as follows: <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″ /> <title>title</title> […]

  • Divide width: 100% and then padding or margin beyond the parent


    Preface This paper introduces how to use the new attribute box-sizing of CSS3 to solve the problem that div width is set at 100% and then padding or margin is set beyond the parent element. Friends in need can refer to it. grammar box-sizing: content-box|border-box|inherit; Value 1, content-box This is the width and height behavior […]