My JSON file (countries_numbers.json): Now I want search in this JSON file for a value. Something like that: SEARCHING: countryPrefix = “226” ¦ WHEN FOUND RETURN: “BF” ELSE RETURN “false” I hope you new what I want to do. Sry for the bad question, I’m absolute new to …
Tag: javascript
How to make an Infinite Html5 Canvas which can be zoomed and panned?
I was working on a real time whiteboard. I want to create an Infinite canvas, which can be zoomed using the mouse wheel and panned using drag, using javascript.During the zoom and pan the items drawn on the canvas must also be affected. Is there a was to achieve this without using any external library? Answer…
Recursion, pass function as an argument
I want to run a function certain amount of times using recursion, for example: repeat(console.log(‘Hello’), 3) should print Hello 3 times. I tried to implement such function but it prints only one word Hello. Answer A few mistakes in your code: You’re not passing the function as an argument.…
Angular – Speed up filtering and display of *ngFor
I have a list of users (at the moment about 450) which I filter using a onValueChanges subscription and javascript filter method. It seems pretty slow. I believe it should be quicker but am unsure if it is the actual filtering of the object or the rerendering the html that is slow. When I recreated it in stac…
Node.JS – Product is not a constructor error
My code is as follows and gets me “message”: “Product is not a constructor” using postman. Router seems to be properly configured but now I don’t know what is the issue. File product constructor is placed at the right direction. When running node server I get no errors in termina…
Authorization error still persists when calling getDataSourceFormula() even after allowing script to acces Google Sheets
I am trying to get the content of a cell’s formula from a custom function that I wrote. I’m just trying to get the formula stored in B2. In Google Sheets. I am getting “Exception: Authorization is required to perform that action. (line 5).”. I tried revoking the authorization, adding t…
Alpine JS Table Data Binding
I’m a newbie in Alpine JS. I want to design my table with detailed rows like this: I wrote a simple HTML table like this: I tried to bind my JSON to this table. At that point, it did not work as expected. Here is what I tried: With this code, the output will look like this: User detail fields
Ball bounces along a parabolic trajectory
The question was initiated by a topic In that question, the bounces were vertical This question concerns bounces with different amounts of offset in height and length But it is difficult to realize the unevenness of movement and speed. How to implement realistic parabolic ball movement? Any idea and solution …
Three.js – Model cannot receive any shadow
I’m currently new and learning about three.js. And i’m using react-three-fiber to make it happen with React, but i stumbled upon a problem. The model however, cannot receive any shadow from another model. I’ve tried to use obj.castShadow = true and obj.receiveShadow = true to one of the rece…
mock node config with jest
I introduce myself currently for the first time in jest and nodejs. I am facing the problem that I have to mock two different values from the nodejs config. the problem is that the second mockReturnValue overwrites the first one. is there any possibility to separate booth mocks from each other? Maybe with som…