let html=”Some data some more data with some other data need to convert into string ” I want it should be become a single string like str=”Some data, some more data, some other data, need to convert into string”; This I need in Reactjs functionality. In comment section I have shared th…
Creating a Logarithm Scale with Min, Max and Discrete “steps”
I’m building a scale for generating colors for a map, where various ranges of numbers correspond to colors. In the scale below, the a, b, and c values (along with the min and max) form “steps” or “buckets” corresponding to colors. Anything between -1 and min will be colored ̶…
How to detect changes in a directive when innerHTML code is updated in angular?
I am testing a directive that is adding to divs, these are implementing innerHTML, the directive is in charge of highlingthing with a click on the div (changing the color), but I want to change when the component is updating the content in the innerHTL as well, the problem is that the ngOnChanges hook is not …
How to return sorted array from object from MongoDB document?
I want to return an array, which is a property inside my mongo model/document, and I want that array to be sorted. My MongoDB document looks like: And I’m trying to return: I have tried aggregation: Answer Mongo Playground reference Since $unwind returns the arrays as objects, we are using the $group to…
How do I fetch Weather’s API ‘forecastday’ using axios?
I use WeatherAPI’s service, which returns the weather forecast given the city name The URL looks like this https://api.weatherapi.com/v1/forecast.json?key=[API_KEY]&q=tokyo&aqi=no After trying to paste that URL into my browser and pasting the result into a JSON beautifier, here’s the resul…
How to configure to handle CORS errors in web3 connecting to ganache
I have a react project I am running at http:\localhost:3000 which connects to ganache running at http:\localhost:7545. I deploy a small smart contract onto ganache which increments a counter and emits an event, like this… I want to listen to the Pinged and Ponged events from my contract. As this is just…
Data not loading
I’m using Firebase Realtime database to load some data, but I am loading the data to an innerHTML of a <span> element inside an owl carousel(“https://unpkg.com/swiper/swiper-bundle.min.js”) the data only loads when I click the left arrow of the carousel.I tested the problem with a <…
How can I detect the moment a specific DOM node has been downloaded by the browser, while the page is still loading?
I am writing a user script which needs to access specific DOM nodes on the page. To reduce latency and page re-layouting, I want to set it to // @run-at document-start instead of the usual // @run-at document-end, and run my code as soon as the DOM node I need has been downloaded from the server. If I just wa…
Checking for duplicate property values in an array of nested objects
I have a JSON file with an array that has nested objects and arrays that simulates a shopping cart. I want to check for duplicate values and if there are any, update the quantity value of the item otherwise, just add the items to the cart. Here is the JSON file: And here is what I have done so far:
How to limit amount of selected in custom select menu in javascript?
How to limit amount of selected in custom select menu in javascript? I want to make a custom select menu where you can select items in it. This is my code for now: What it does now is fine, I just want to add the limitation so that you can only select two items. This is because I want to