Materia | open source alternative to Substance Designer

I do a list merge and I create a new one, but when I do that the key of json is the id and I wanted it to be a fixed name.

I create the list this way. I don't know if it's the most efficient way but it's the only one I got.

I have two classes one called Aluno(Student) other call Curso(Course) what i want to do is using the student class to add in this course class if the requirement is met, but for some reason it is not adding the student to the current course Set when i use the definition

Aluno Class

I am trying to code a section in HTML where you click a div it will expand its contents and other divs will toggle/hide. This is what I have and it is working perfectly:

If I click in the Personaliza title it will expand its contents and toggle/hide the other two titles.

Check the website in the third section: https://uniformaguatemalapruebas.herokuapp.com/

I am trying to add an icon - when the div is selected or expanded and the other two will show + icon. And If I click any title it will show + others will show -. If none are expanded they all will show +.

My issue is very simple but I am struggling at this.

This is what I have so far:

I want to execute the following transaction:

I'm trying to retrieve a list of alarms from my SQLite database. When I first enter the Fragment, the list is not retrieve but if I exit the Fragment and enter it again, it does retrieve it correctly.

The Fragment is part of an Activity (MainActivity) that contains 3 Fragments. The user can move between Fragments clicking on the tabs (TabLayout). The first Fragment uses the same method to retrieve the list. This first Fragment is used to create the list of alarms. The created alarms will repeat in the chosen week days (all Mondays, Tuesday etc) Then there is a second one, and finally the third Fragment. This last one is used to display the alarms on a CalendarView

How can I make it retrieve the data at the first attempt in the third Fragment?

I have a bottomtabbar with three screens, all the screens are have a dropdown picker at the header. Whenever I have my dropdown open and I change the tab screen, my dropdown is still remains opened, however I would like my dropdown to remain closed initially whenever I changed tabs. My exact code is as follows:

I am creating a dynamic pdf which is a grid that shows notes by semesters, the problem is that if I have semesters I must create the pdf.

Suppose there are 5 semesters or more, it only fits up to 4 semesters. I am using the pdf sheet horizontally.

What I need is that somehow it only allows me to show 4 semesters on a sheet and the rest on another page, but loading the name column again, first name and lastname.

Well i need to get 2 values together from a XML,

I need the property and the titel of the property's to get property:titel; There are multiple property's and titels, but not every product has the same amount of property's. So i like to create it on the fly

I have tried it with a .join but kan get it like working yet.

The code to get it from:

I'm trying to collapse the Bootstrap navbar when the screen width is 1280px but instead of getting the navbar collapsed, the Navbar goes on top, this is my code: