hellcat | Hellcat is a high performance database experiment project | Database library

I found this code on google because I didn't know how to make 3 or more images appear in a row, no I am wanting the images to be smaller than the original 33.33% they were for width, I want them to be about 20% in size, however, it doesn't center the row of images and I was curious how or why it won't. code:

I put std::optional in the constructor of a class. But when I make an instance of that class, leaving out the optional argument, I get the error that no such constructor exists for that class. I would like to know how to properly use std::optional.

The constructor for my class 'Car' looks like this:

How would i use and if and else statement in a list? Like if i have a premade list then a user inputs their list how would I make it to where it displays we entered the same answer. this is the assignment:

Pick a category and make a list of your five favorite things. Suggested categories include your favorite: actors, books, cars, or something else of your choosing.

Ask the user what their favorites are in your selected category.

By creating a list, a loop, and if statements, print a message that lets the user know if their favorites matches the ones on your list.

Neatly print your entire list to the screen. Be sure to number each item.

Write the pseudocode for this program. Be sure to include any needed input, calculations, and output.

Here is my current code:

So what I'm trying to do is everytime a form is submitted it will run some code which will check if a certain cell = fine. If it is fineI want it to create that choice but if it is not fine then I want it to not create the choice. This is my current code but I am unable to put an if statement inside the .setChoices