I want to check if a string matches another string in an array of objects. Here’s my code Answer Since you’re clearly already using ES6, the most idiomatic way is using Array.includes after mapping the array:
Tag: javascript
Test NestJS Service against Actual Database
I would like to be able to test my Nest service against an actual database. I understand that most unit tests should use a mock object, but it also, at times, makes sense to test against the database itself. I have searched through SO and the GH issues for Nest, and am starting to reach the transitive closure…
Show text on a radio button selection
I have created a radio button which says “no” and “yes”. By default, nothing is selected. So what I’m looking to do here is, if someone select no, nothing happens, but if someone select “Yes” It should print a text below saying hello world. Can someone help? Answer Yo…
React Using useState/Hooks In HOC Causes Error “Hooks can only be called inside of the body of a function component”
Is it not allowed to use hooks inside of a Higher Order Component? When I try to do it with this simple pattern I’m getting the error Invalid hook call. Hooks can only be called inside of the body of a function component. Answer I believe you should use the hooks inside the HOC:
How to record web/browser audio output (not microphone audio)
Has anyone successfully been able to access the audio stream that is being outputted from the browser window (not from the microphone)? We are currently building a sound studio app where the user can play an instrument and we want to be able to record and save that audio as it is being generated. We have real…
Quickpay : An unknown error happened. Please try again
I’m currently trying to complete a test payment on a Quickpay integration. I successfully generate a redirect url via the API like so, POST https://api.quickpay.net/payments BODY HEADERS Which returns Which I then generate a redirectUrl request which looks like, PUT https://api.quickpay.net/payments/145…
jQuery DataTables refresh the grid when the datasource is an array
I have a datatable that should be refreshed every time I click a button. By clicking this button I will load, using ajax, a JSON stream from an API. The data will be processed and then set as datasource in the datatables. I can’t use the ajax builtin feature of datatables. The code is the following (for…
Npm error “Error: EACCES: permission denied, mkdir ‘../node-sass/build'”
Can’t install the node-sass package via npm sudo npm i, i have been trying to resolve via sudo npm i -g node-sass –unsafe-perm=true –allow-root but it doesn’t effect. Chmod 777 either. I think there are something with npm permissions but i do not know Log: Answer As a general recommend…
Adding a new line in MatDialog Content Angular 7
I am using MatDialog and trying to add a new line in the content definition. Both n and </b> are not doing it. Is there another way without having to manually go into the html and change it since it’s a reusable component: HTML Answer You can use the [innerHTML] property: and instead of nn, use th…
Should I use setState conditional updates in componentDidUpdate in React 16?
I’m using React 16 and need to call a conditional setState inside componentDidUpdate. setState is executed asynchronously. So, usually, if I need to use state to compute my next state I should use updater function as an argument to setState. React 16 added a possibility to cancel a setState update by re…