I have a form where there is a mat-select field. The mat-select field will show value even if the option doesn’t match the list of options. Please take a reference of this stackblitz example. In this example, on button click, I am adding a value in a form that doesn’t match with theJSON values. Th…
Danfo.js : read .tsv files with readCSV() / read_csv()?
in node.js environment with Danfo.js, reading .csv files is very easy with readCSV(), formerly read_csv(), as shown in the official example: However, I can’t find a way to read .tsv files. Is there a way to read tab-delimited files with Danfo.js? In the source I find the follwing comment: But I’m …
How to create a prototype for this type of constructor?
I explore the deep end of JavaScript. Well, let’s say I have a constructor function like this. Yes, I know this is a weird way of creating a constructor function, but … And I wanna add a prototype property like walk(), but it doesn’t work here. I know it looks stupid, but… QUESTION: Is…
Exception: undefined is not an object (evaluating ‘navigation.navigate’)
I’ve four screens in a Stack navigator in Books.js: From the BooksMenu screen user is navigating to the MyBooks screen and from the MyBooks there is a button that navigates the user to MyBooksDetails screen. This error pops-up with I click on the button that is supposed to navigate the user to MyBooksDe…
Bitly API V4 in Google Apps Script: getting errors when trying to call clicks summary
I am fairly new to Apps Script and this is my first custom function using an API. Thankyou in advance for your advice. I have been following this code to integrate Bitly into Google Sheets. https://gist.github.com/misterhay/38a500545ce7abc75b875f33f01c9f51 The code they provide for ShortenBitly works perfectl…
Express.js app times out when attempting to query a PostgreSQL database
I’ve built an Express.js app, hosted by Heroku, with a non-embedded PostgreSQL database. The app was running as intended until about a month ago, and for several months before that. However, when I logged in today, I ran into a serious problem. Whenever I try to access any page which queries the databas…
How can I display a pdf with pdftron using npm
pdftron/webviewer is installed Webviewer static files have been copied to the public folder JavaScript in index.html file attempts to load a pdf Welcome to webviewer import WebViewer from ‘@/webviewer’ pdf file does not display, what is wrong with the code? Answer Thank-you for sharing a link to y…
Attempted import error: ‘getMoviesList’ is not exported from ‘./actions’; error in react redux
I’m trying to import a function ‘getMoviesList’ written in action/index.js but getting an error even though my code and paths are correct Please have a look on my App.js ( where I’m trying to import that function ) and ./action/index.js ( where I have defined that function ) App.js act…
I want user input to be calculated into Cylinder surface, volume and half of the surface areato then be printed into html
I’ve wanted to make a site to calculate different geometrical shapes as an side project, style it and possibly share it among my class, I got stuck on the first task for a few weeks now, THE CYLINDER &…
How to loop through array of latitude/longitude pairs in AJAX call
I’m very new to PHP/AJAX and need some help… I have a leaflet map and am trying to chain two AJAX calls – the first AJAX uses data from a select value (a country ISO code). I have then used the …