I am using Bootstrap to design my pages. I am following this page http://skote-light.node.themesbrand.com/form-advanced to create a Multiple Select. the output to this is The requirement is i need to have an add more button, to add more multiple select. So what I did is The problem is that when I am trying to…
Output Array of Simultaneously Possible Unique Element Combinations
My application references a database object that acts as a catalog. It’s a catalog of items that can be crafted if the user has the necessary components. Here is a small sample of the catalog: When the user has the necessary components for any given item, the user can assemble that item. The user is awa…
State from react useState is updated when key property is used but requires useEffect or similar method to update otherwise
I have the following component: It is rendered via the following component: It renders the following list: As you can see props.text and useState item from props.text are rendered equally. If props.text is updated it does not reflect on useState though. https://stackoverflow.com/a/53846698/3850405 I can solve…
Keeping a consistent parentId/id relationship with a flatten function
Suppose I have a nested object list like this: The object anatomy is simple: id, name, children (if any) and parentId. I’m using this flatten function that turns the nested object into a flat array: The thing is that the parentId value is not always persistent for every object, and therefore when the ob…
Max out a table height, and include a scroll bar when reached in JavaScript/React.js
I have this table: the file is importing my css file, styles.scss: I found instructions to add this in .css to max out the height and when the height is reached, start a scroll bar, but it’s not working. Does this work with a SCSS file? Answer On the .table tag in your CSS page, make sure that display: …
Nest.js cant resolve dependencies, can’t find my mistake
I’m doing a Nest.js program but I can’t find my dependencies problem. I have searched quite a lot and I have found a lot of answers regarding this problem, but I can’t figure out why my code isn´t working. So I have a product module which has his DTO´s, Entity, Controller, Service and module…
React Hooks: useState updater function: Why does this hook remove the object upon drag?
I have a marker on a map which takes this function upon dragging: That function fires another function updateUserMarker, which is coming from a component via context: It consumes the index, a new object which contains updated lat and long from the event, & appends an id which will also be from the event. …
Trying to fetch API via axios, but don’t know how to access
I try to fetch some data from an API. The API is formatted like this: And in react my app.js looks like this: And the ItemsGrid: So nothing is to see beacause I don’t know how to access the array. In the console log I see there is something: Anyone know how to show the names via mapping? Answer If
Jest: How to undo a global mock for certain tests in a file
I want to mock Math.random for certain tests and use its original implementation for other tests. How can I achieve this? I’ve read about using jest.doMock and jest.dontMock, but I’ve bumped into a number of issues using them, like: I seem to need require in order to use doMock and dontMock, but m…
How do I clear a leaflet map in react so I can map fresh data?
I am attempting to clear a leaflet map in react when fetching new data to map, and i am unsure how to approach this. I saw this post but not sure how exactly to apply it. Right now I have a function that fetches 1 of 2 geojsons I have loaded. App.js This is merely a test to get the