layout

问题 I'm currently working on a plot. It's all coming together, but i'm wondering about one thing... I tried googling this, but I couldn't found what I was looking for. Right now, I've created a legend that I liked. With 'scale_color_manual' and 'scale_size_manual', I've created a combined legend that includes the thickness of the corresponding line and the color. I have put the code I used below. scale_color_manual(name = "combined legend", labels = c("Nederland totaal", "Noord-Holland", "Utrecht

问题 Is there any difference, performance wise, in using a StatelessWidget vs a function returning a Widget ? I'm well aware of at least the differences pointed out in this flutter's repo issue which don't have a relationship with performance. The fact is that I have some colleagues claiming that functional widgets are worst in terms of performance but after reading a little bit about the subject I cannot find any conclusive piece of documentation that can give credit to that assertion so any kind

问题 Is there any difference, performance wise, in using a StatelessWidget vs a function returning a Widget ? I'm well aware of at least the differences pointed out in this flutter's repo issue which don't have a relationship with performance. The fact is that I have some colleagues claiming that functional widgets are worst in terms of performance but after reading a little bit about the subject I cannot find any conclusive piece of documentation that can give credit to that assertion so any kind

问题 I'm trying to show a custom Snackbar as in this example: how to customize snackBar's layout? This is my custom code to create a Snackbar: protected void showSnackBar(View view) { Snackbar snackbar = Snackbar.make(view, "", Snackbar.LENGTH_INDEFINITE); Snackbar.SnackbarLayout layout = (Snackbar.SnackbarLayout) snackbar.getView(); TextView textView = (TextView) layout.findViewById(android.support.design.R.id.snackbar_text); textView.setVisibility(View.INVISIBLE); LayoutInflater inflater =

问题 I'm trying to show a custom Snackbar as in this example: how to customize snackBar's layout? This is my custom code to create a Snackbar: protected void showSnackBar(View view) { Snackbar snackbar = Snackbar.make(view, "", Snackbar.LENGTH_INDEFINITE); Snackbar.SnackbarLayout layout = (Snackbar.SnackbarLayout) snackbar.getView(); TextView textView = (TextView) layout.findViewById(android.support.design.R.id.snackbar_text); textView.setVisibility(View.INVISIBLE); LayoutInflater inflater =

问题 I'm trying to show a custom Snackbar as in this example: how to customize snackBar's layout? This is my custom code to create a Snackbar: protected void showSnackBar(View view) { Snackbar snackbar = Snackbar.make(view, "", Snackbar.LENGTH_INDEFINITE); Snackbar.SnackbarLayout layout = (Snackbar.SnackbarLayout) snackbar.getView(); TextView textView = (TextView) layout.findViewById(android.support.design.R.id.snackbar_text); textView.setVisibility(View.INVISIBLE); LayoutInflater inflater =

问题 I am trying to center-align an image in a page while also turning the image into a clickable link. Here is my attempt: a { background: lightblue; border: thin solid blue; } img { background: lightgreen; border: thin solid green; display: block; width: 25%; margin: 0 auto; } <a href="https://www.example.com"><img src="http://placekitten.com/500/500" alt="kitten"></a> While the image has become a link, the problem is that most of the horizontal space on both sides of the image has also become

问题 I am trying to center-align an image in a page while also turning the image into a clickable link. Here is my attempt: a { background: lightblue; border: thin solid blue; } img { background: lightgreen; border: thin solid green; display: block; width: 25%; margin: 0 auto; } <a href="https://www.example.com"><img src="http://placekitten.com/500/500" alt="kitten"></a> While the image has become a link, the problem is that most of the horizontal space on both sides of the image has also become

问题 I am making an application with html and am needing to have a scroll bar. But whenever I add one it shifts everything over to make the necessary room needed for the scroll bar. This screws up the layout of the application. So I need a way to make the scroll bar simply overlay on top of the page, meaning the page is still there behind it. I already know how to style the scroll bar to make the back transparent, I just need the scroll bar to not take up any space. Thanks In Advance! 回答1: There's

问题 I am making an application with html and am needing to have a scroll bar. But whenever I add one it shifts everything over to make the necessary room needed for the scroll bar. This screws up the layout of the application. So I need a way to make the scroll bar simply overlay on top of the page, meaning the page is still there behind it. I already know how to style the scroll bar to make the back transparent, I just need the scroll bar to not take up any space. Thanks In Advance! 回答1: There's