Corona-tracker | An easy-to-use PWA to monitor the user 's wellness | Dataset library
kandi X-RAY | Corona-tracker Summary
kandi X-RAY | Corona-tracker Summary
A tool to help reduce the number of unnecessary hospital visits, educate the public on facts vs myths, and provide a health and wellbeing chart for logging their journey during these uncertain and tumultuous times.
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Top functions reviewed by kandi - BETA
- Registers a new SWF service and registers it in the browser
- register the service worker
- Checks if the service worker is valid
- Unregister the service worker
- Set the quiz score
- Resets the score .
- Select a date from the database
- Update a zoom score
- Update the detail data
- Specify a more more more option .
Corona-tracker Key Features
Corona-tracker Examples and Code Snippets
Community Discussions
Trending Discussions on Corona-tracker
QUESTION
this is my problem i hope there is a solution
...ANSWER
Answered 2021-Aug-07 at 10:38Based on you images of code, you handle null-safety (or having values) with a Typescript operator : ?.
And when you define data
object using useState
in line 67, assigned an empty object.
The LineGraph
component ran and it rendered with an empty object, If you want to check if data
has values, this may helps you:
QUESTION
I have a Spring project and I'm trying to upload it to heroku using this tutorial: https://www.youtube.com/watch?v=7RHYDNSRSOs But I get this error. I tried to change the java.version in pom from 14 to 11 but still it dosen't work. Here is the java/maven version And here is the pom file:
...ANSWER
Answered 2020-Jul-08 at 06:53The default Heroku JDK version is 1.8. To install 14
, put java.runtime.version=14
into your system.properties
file as described here: https://devcenter.heroku.com/articles/java-support#supported-java-versions
QUESTION
I am using angular to create a app which asks for the location of user using browser. Below is my ts file code snippet.
this is constructor in ts file.
...ANSWER
Answered 2020-Jun-24 at 06:52From the comments, the function showposition()
is a callback. In order to preserve the meaning of this
keyword in a callback, you could either use bind()
function with this
keyword, or use arrow function notation. Try the following
QUESTION
I create a react app to show corona infection in different countries. This work on my localhost but when i deploy it either on github or on heroku a error generated. below error is given in blockquote. Looking at error when i check file country.js there is no n[0]. please help below is link to hosted app and github repository of the app.
TypeError: "n[0] is undefined" E country.js:13 E country.js:11 React 7 unstable_runWithPriority scheduler.production.min.js:19 React 6 a App.js:22 u runtime.js:45 _invoke runtime.js:274 t runtime.js:97 r asyncToGenerator.js:3 a asyncToGenerator.js:25 react-dom.production.min.js:209:194 React 5 unstable_runWithPriority scheduler.production.min.js:19 React 4 unstable_runWithPriority scheduler.production.min.js:19 React 6 a App.js:22 u runtime.js:45 _invoke runtime.js:274 t runtime.js:97 r asyncToGenerator.js:3 a asyncToGenerator.js:25 TypeError: n[0] is undefined country.js:13:30
this is link to hosted app on heroku and this is link to app hosted on Github
...
ANSWER
Answered 2020-Mar-30 at 19:52I have checked your site and it gives the following error:
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