Unable to change the color of the Bootstrap 5 carousel indicators per individual slide (carousel item) - carousel

In a singular carousel, some carousel items/images/slides have a dark background, and some have a light background, within the same carousel. In these cases the default white indicators are easily visible for one slide but not the next.
Is there a way to control the color of the full row of indicators (active and inactive, full opacity and half opacity) per each slide?

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In react-native when using a Flatlist grid, is it possible to have children with higher zIndex?

Context:
I have an app (TinyUX) where people can draw wireframes. It uses a Flatlist grid, where each cell can have a background color, and an icon or text.
The text can be larger than the cell (50x50).
Assuming left text-alignment I created it so the zIndex went down with each cell (data.length - i)
Now I'm trying to add right-alignment.
So for some cells the text needs to overlap the cells to the right, sometimes to the left. But the background of the cell of either left or right (depending how I set the zIndex in relation to i will have the background overdraw the text.
It would seem logical to just make all texts have an zIndex that is higher than the rest of the cell, so they are all above the rest of the cell (icon(s), background colors). But I can't get that to work.
De cell component is nested something like this:
TouchableOpacity (has background color)
Image (positioned absolute, top left to parent)
Image (positioned absolute, top left to parent)
Text (positions absolute, top let to parent.
They have position absolute, so they can overlap.
With my current solution I can make either right or left alignment work.
Main question: How can a child of the renderItem component of a Flatlist grid, have a higher zIndex than every other cell in the grid.
Confusingly.. I just had it working when Metro was not connected, then restarted with Metro and failed again. The component uses React.memo(.. so now I'm not sure if I once was in a state with the fix..

Creating a Horizontal ScrollView with Section Titles

I want to create a horizontal scrollable "timeline" that has sticky section names (dates):
The horizontal lines are dividers for different dates. The date stays on until this divider (circled red in the last picture) "pushes" it away from the screen.
In other words, the date stays on the screen until another date pushes it away.
Is there a way to achieve something like this?

Is there an API to change the PowerPoint slide show window background color from black?

When a PowerPoint presentation is run in a slide show window that is not the same aspect ratio as the presentation design, black bars appear at the top and bottom or left and right (depending on the window size). For example, when presenting a 16:9 deck on to a 4:3 display, black bars appear above and below the content.
I am trying to change the default color from black.
The VBA object model for SlideShowWindows does not appear to have a property to do this.
I have checked the Win API for SetSysColors (user32.dll) and this doesn't appear to affect the slide show window background color either.
Is there a way to override this color?
There's no way to change the black bars that appear in this situation.

How to align the bottom of a UIView with the bottom of the screen always

I want a background image to always be aligned with the bottom of the screen regardless of screen size, iOS Version, or Personal Hotspot messages etc. But none of the interface builder alignment options seem to work in every case.
I have 2 different sized images to fit 3.5' and 4' retina which change via code but their alignment is always thrown off by 'Personal Hotspot' and other messages changing the size of the parent view.
My images are the size of the screen and should fill the whole screen always. There is a black area where tab bar and status bar will overlay.
There are buttons aligned with the background and everything gets thrown out by messages that resize the parent view.
I want the bottom of the UIImageView to be aligned with the bottom of the screen always.
have you tried the contentMode property?
theImageView.contentMode = UIViewContentModeBottom;
There is also a menu item for this in interface builder if you prefer to set it there.
then if you are using auto layout, simply add a bottom space constraint from your image view to the bottom layout guide.
If you're not using auto layout, a fixed bottom margin on the autoresizing mask should do the trick.

How does Photoshop show multi-layer in Normal Blend Mode?

I'm trying to understand how the normal blend mode works in photoshop.
http://www.pegtop.net/delphi/articles/blendmodes/normal.htm
As the webpage says,it just shows the color of the layer above.But when I copy the same layer and show them together,the color seems darker than just show one layer.And when I add more,the color remains at a particular value.
The normal blend mode shows the color of the topmost fully opaque layer, for transparent layers it will add from top down until fully opaque is reached.
This means that if you have a fully opaque red element over any, for example, blue element, the color red will be displayed. If you have a red element that's 50% transparent over a blue element, the color pink will be displayed.
If you have one black element that is 50% transparent it will appear as a medium gray, if you duplicate the layer, the two elements on top of each other will add up to display a complete black.