I have two components: parent and child, with the following markup. It’s vital to this example that the child fetches its own data to render and it must not be provided by the parent. As it’s design now, it works as supposed to. The parent. <h1>I’m the papa</h1> <app-lookup> <div>Some fixed content</div> <div>Some dynamic content… Read More How to pass content to child including renderable parts in Angular?

I am updating a state array when a button is clicked. The component seems to be re-rendering (based on a console log and the react developer tools extension), and the updated array is logged in the console correctly – however, it won’t actually display on screen. It only displays when a different state is updated.… Read More Updating React state (object array) and component rerenders, but display does not change until another state updates

In the past week or so I’ve been following several tutorials to learn React. However every tutorial I follow ends up in the same problem. I’m sure there is something stupid I’m missing, like an install or something most developers would always have installed so it isn’t mentioned in tutorials. The following is the most… Read More Can't get React to render most basic things

Good afternoon. Tell me, please, what could be the matter – I get an Exception Value error: Could not parse the remainder: ‘(column)’ from ‘item.get(column)’ views.py : def home(request): position = DjangoEmail.objects.get(Email=request.user).Position year_filter = Q(Year=now.year) | Q(Year=now.year-1) | Q(Year=now.year+1) if position == 7: data = Employee.objects.filter(year_filter, Mlkk=request.user).order_by(‘Year’,’OblastTM’).values(‘Year’, ‘OblastTM’, ‘Category’, ‘ProductGroup’,’NameChaine’).annotate(Januaru=Sum(‘January’)) elif position == 6: data… Read More Django views.py Exception Value: Could not parse the remainder:

I have a website where if I press a button it fetches a post object from a database and adds it into an array. I need to somehow display all the objects in the array as react components and also to update the list every time when a new post is added. I’ve been trying… Read More How to dynamically render react components?

(first ever question asked please go easy on me) HI I’ve copy and pasted a component from a guided project to see that nothing has rendered.. thing’s I’ve done: imported same modules replaced images changed app.js to only show this component replaced styling with styling from guided project (guided project works fine in other tab)… Read More code from guided project not rendering on my project

Context : I have a side bar, and multiple links in it. For example, if I click on User, the main page will load datas from users and display in a table. If I click on Addresses, same with all addresses. What I want to do : I want to set a substring on all… Read More Keep action from function after re-render – React

I am working with React.js I want to use a component x inside app component(app.js) that is inside index.js. It does not work. ** Error Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it’s… Read More Component inside a component

The question I have is can anyone see why Firefox does not render this css code correctly? It renders, in all other browsers that I have tried. This is probably not the best way of rendering hexagonal objects today, but rather than re-coding an old page I would like to reuse it if possible. #hex… Read More Firefox not rendering css hexagonal objects correctly