I have a homework assignment that asks me to print two alternating circle colors with different sizes. The end-result would look like this: Right now, I am struggling to print the blue color circle on top of the red color circle and this is the code, i have written: I am having trouble with the last block of …
npm build a vue app and run it on a raspberry Pi
I am creating a Vue app with my roommate and we want to deploy it on our raspberry Pi. Is there a possibility to npm build our final app on our PC and just start the server on the Pi without having to build the app on the Raspberry? And if so, how can we start the app on the
Unable to remove data from json file on disk
I’m unable to find a way to remove whole line of JSON data(line) after it’s used. For some reason delete is not working or rather said not doing anything. .JSON code The goal here is to select random code, which is done but then I need to remove it from .JSON file so it won’t repeat. I tried…
D3.js rect no display on chart
I started the D3.js challenge on FreeCodeCamp, the problem is that I solved it with the chart but it only gives me a display on the rectum, only one with the width and height that it I put, I’ll show the code below. The entire code on Now, what I need to do to display the charts! I mention that
onChange not working on the first input into the text field
onChange event doesn’t return the first change of the text input but works on subsequent changes. Sorry if this is obvious, I’m new to React. Answer When you call setLocation(text);, handleClick will finish execution before the location value is actually updated. There is no need for location and …
Get a value from a multidimensional array
I have a multidimensional array as follows: In my form the user would input a weight. What I am trying to do is if the weight is equal to or below the number in the weight part of the array that the corresponding rate is assigned to a variable. Am stuck on how to do this. Any push in the
why does the fetch request not work when I try to fetch a markdown file?
I am trying to display a markdown file from my computer to the browser window with fetch, but the response (text) is undefined, why is this happening? I leave a codepen with my code. https://codepen.io/matiasConchaSoto/pen/popvQgp somebody help me please. Answer The first .then() has a missing return. Try: Ev…
How to create multiple array of objects from single array of objects based on property value
If I have array of objects like this one I want to group it by property value How to create three new separate arrays of objects based on fieldname ( or single array that contains those arrays of objects ) something like this Answer you can first unique the array and next push them to groupedArray like this:
set value on a click button from a function component to another const component React
All I want here is when I press the search button in Hero.jsx , I set a value to the guest constant in Hotelcards.jsx , any solutions ? the guest value that I wanna set is on this file. Hotelcards.jsx And the button that will trigger the event of changing the value is on this file. Hero.jsx Answer So the
Error detection before code execution starts in JavaScript
Is it possible to detect errors before the code starts to run? I have a Discord bot, and I would like the command handler that prints all loaded commands to the console to show the status for errors in advance. Command handler at the moment: Answer You can simply use the try and catch statements of Javascript…