Covid-19-Tracker | A Simple Covid-19 Cases Tracker | Dataset library
kandi X-RAY | Covid-19-Tracker Summary
kandi X-RAY | Covid-19-Tracker Summary
A Simple Covid-19 Cases Tracker. (Only countries)
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QUESTION
Here's my small CSV file, which is totally encoded in UTF-8, and the date is totally correct.
I repaired the erros from:
...ANSWER
Answered 2021-Apr-10 at 22:25Based on your posted code I made some changes:
I have put in a print statement for the DataFrame after read. This should show the datatypes for each column in the DataFrame. For the date - field it should be "datetime64[ns]".
Afterwards you don't have to parse it again as a date.
Some code changes for the "cases" - field and to visualize it.
QUESTION
I am new to React and developing covid-19 tracker app. I have a country dropdown, when we select any country from dropdown then the api call is made and corona cases, death and recovered cases are displayed using react hooks(useState). This happening using a onCountryChange function;
...ANSWER
Answered 2021-Jan-27 at 12:40First of all you are not changing your lat lon coordinates every time you make the request.
QUESTION
I want to extract all vaccine tables with the description on the left and their description inside the table using R,
this is the link for the webpage
this is how the first table look on the webpage:
I tried using XML package, but I wasn't succeful, I used:
...ANSWER
Answered 2020-Dec-12 at 21:41This webpage does not use a tables thus the reason for your error. Due to the multiple subsections and hidden text, the formatting on the page is quite complicated and requires finding the nodes of interest individually.
I prefer using the "rvest" and "xml2" package for the easier and more straight forward syntax.
This is not a complete solution and should get you moving in the correct direction.
QUESTION
I am currently trying to deploy my Spring Boot backend on Heroku using the free dyno. I have also connected the backend to MongoDB Atlas for my DB.
During start up of the Spring Boot server I create 2 Java threads to populate 2 different collections within the database simultaneously. This all works locally and I can get the application started on Heroku and can access REST endpoints but I am getting the below error regarding my threads.
2020-11-23T23:03:11.942515+00:00 app[web.1]: [7.521s][warning][os,thread] Failed to start thread - pthread_create failed (EAGAIN) for attributes: stacksize: 512k, guardsize: 0k, detached.
Here is the full Heroku log as well:
...ANSWER
Answered 2020-Nov-24 at 17:58@BeppeC pointed out that this link to Heroku's help forum had an answer for this. Originally I did not have a Procfile, so I added one and it ended up looking like this:
web: java -Dserver.port=$PORT $JAVA_OPTS -Xss2m -jar build/libs/.jar
The command to pay attention to was -Xss2m
. This sets the stack size and the default value on the Free, Hobby, or Standard-1X dyno's is 512k, which is lower than the default JVM size of 1MB.
I ended up increasing it to 2MB and this solved my issues with the threads taking up too many resources.
QUESTION
This ended up being my @Service
class with multi-threading working. It populates each table in the DB at the same time. No longer needed the @Async
annotations or task executor with this solution.
ANSWER
Answered 2020-Oct-03 at 19:08How about starting both populate methods in separate Threads?
QUESTION
I am trying to merge 2 dataframes by date index in order. Is this possible?
A sample code of what I need to manipulate
Link for sg_df:https://query1.finance.yahoo.com/v7/finance/download/%5ESTI?P=^STI?period1=1442102400&period2=1599955200&interval=1mo&events=history
Link for facemask_compliance_df: https://today.yougov.com/topics/international/articles-reports/2020/05/18/international-covid-19-tracker-update-18-may (YouGov COVID-19 behaviour changes tracker: Wearing a face mask when in public places)
...ANSWER
Answered 2020-Sep-16 at 08:46If i remember right In numpy you can do v.stack or h.stack. depends on how you want to join them together.
in pandas there was something like concatenate https://pandas.pydata.org/docs/user_guide/merging.html which i used for merging dataframes
QUESTION
I've been having this problem recently that nothing related to npm is working for me except npm start
.
npm install
is giving this error:
...
ANSWER
Answered 2020-Aug-20 at 15:45First of all you need to make sure that your node and npm versions are up to date. if not please upgrade your node and npm packages to latest versions.
QUESTION
The map renders and the color fill happens too, but only when a mouse enter event happens. How do I trigger it on load? I am using react-simple-maps, the JSON data is valid as it loads the map when mouse enters. Here is the source code - Github
...ANSWER
Answered 2020-Apr-16 at 05:42I was accidentally mutating state directly, and was not using the useEffect hook improperly
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