I am trying to generate sprial matrix in javascript. question Given an integer A, generate a square matrix filled with elements from 1 to A^2 in spiral order. input : 3 when input is 4 my approach is to create 2d array with 0 value and after that they will fill values. Answer You could take loops for each edges
Tag: javascript
npm install @material-ui/core got error: Unexpected end of JSON input while parsing
debug.log Answer use : See this https://github.com/npm/npm/issues/19072#issuecomment-345555468 I hope that solve your issue.
Store multiple parameters from different Intents
I have an issue saving multiple parameters from different intents in dialogflow firebase fullfillment. I’ve tried declaring a global variable to store the data there but to no avail . here is what I have so far. I would like to save the parameters from multiple intents to a firebase db Answer You can use context to save/use data across
Get parent data element from dragged element – Drag en drop function
I am trying to retrieve a parent data attribute data-date of the dragged object in JavaScript. So i want to receive the data-date attribute <td> from where the div “drag me” was dragged from. HTML example: I am able to retrieve the dropped data-date attribute, but cant figure out how to retrieve the dragged from data-date attribute. JS From and
How to change material-ui Textfield label styles in react
I’m new to Material-UI, I couldn’t able to figure it out, how to change the color of the label which is showing in grey color. I want it in black. Can anyone help me with this query? Here is the Code : Here is the code: “https://codesandbox.io/s/fancy-morning-30owz” Answer If you use the selection tools in your browser, you would find
events.js 167 error in React Installation
I am trying to setup react in my PC. I have completed downloading the reacr modules and am starting to run through local server and these errors occur to me. I know it’s simple error for local server and tried to open the index.html file manually then it didnot show the react logo but instead showed something like this. Please
When you chain a property, do you call it?
This question concerns semantics of “property” and “method.” I understand that in JavaScript, a variable in an object is a property and a function in an object is a method. In a Node.js application, I’m passing process.mainModule.filename as an argument to path.dirname(). mainModule is a property of the Process object (as I found in the Node docs). Is it correct
t[this.activeSeriesIndex].data[0] is undefined in ApexCharts. How to correctly build the series array?
I’m a beginner in Vue and I’m using vue-apex chart to create a chart in my application. I want to display in chart, the values of the two component’s properties “uncorrectAns” and “correctAns” that I compute thanks to a specific method (computeStat()). When I run the application, the chart isn’t displayed and I get this error message on the browser
Issue with splitting string with line break in vue
So I’m trying to set a filter to replace a hyphen with a <br> to spit it onto a new line. I’ve created a filter like this: And then However, this just prints the </br> instead of breaking the line. I’m new to vue so not sure what I’m doing wrong? Answer The problem is not with your filter. It’s
How do you conditional bind v-model in Vue?
In JavaScript, object can optional spread value like this: In React, JSX can optional pass props like this: Now in Vue, how do I achieve optional v-model? I have a textarea like this How can I achieve optional bind v-model? I want to do this because I want to show warning on that textarea when error occurs. When error occurs,