stockapp | Stocks example OpenCPU app | Business library
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kandi X-RAY | stockapp Summary
Stocks example OpenCPU app
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QUESTION
I have an app that interacts with two MySQL databases, one of which is a replica. When I need to perform transactions, I use the master db, when I need to access some historical data or perform some costlier selects I use the slave db.
I tried the following:
...ANSWER
Answered 2021-Apr-07 at 16:03you have to create 2 constructors:
QUESTION
I recently switched db's from sqlite3 to PG. My username and password for pg were hard-coded, and although it was working, this was not safe practice. SO I stored my password in an ENV variable in a .yml file, and I reference that variable in my database.yml file, but when I run the server, it gives me the error "PG::ConnectionBad fe_sendauth: no password supplied"
the following is my pg_keys.yml file
...ANSWER
Answered 2021-Mar-09 at 17:10It is because ENV
variables come from https://github.com/bkeepers/dotenv.
Install this gem by adding it to your Gemfile
, then run bundle
and set the variable PG_PASSWORD=***********
in .env
in your root. Then it should work fine.
QUESTION
So I have my own website that I am running and I want to migrate one of my services to my current cluster under a subdomain of my actual website and I'm having some trouble.
I have a website that I purchased off of NameCheap and I'm using Cloudfare for all the DNS stuff. So everything is setup correctly. What I can't seem to figure out what to do is getting my subdomain website to actually work.
I have tried to add a "A" and "CNAME" record and still can't get it to work.
I also tried to follow this site and got no luck. I have tried other stackoverflow links and links posted by cloudfare. But I couldn't get anything to work still: https://www.digitalocean.com/community/tutorials/how-to-set-up-an-nginx-ingress-with-cert-manager-on-digitalocean-kubernetes
My services are also running with no issues. My pods and deployments are also fine showing no errors and my website is already running on another link which I'm removing to save money. www.ecoders.ca. All I did to migrate over my service was add stuff to my ingress and re-deploy everything to my current cluster. On my current cluster I'm using NGINX.
LMK if more information is required.
Ingress.yaml
...ANSWER
Answered 2020-Dec-24 at 18:51You can do one thing here. Enable http to https redirection on cloudflare and create a worker rule to redirect non www to www..com. It might be ingress redirect rule causing the issue(nginx.ingress.kubernetes.io/from-to-www-redirect: "true").
If it still not work, then disbale http to https redirection, auto rewriting from cloudflare and disable SSL(off) as well for few minutes. Then check if site is working properly on http only.
Please Check and let me know for further troubleshooting
QUESTION
import React from 'react';
function StockEventsTable(props){
const {stockEvents} = props // same as const stockEvents = props.stockEvents
return (
{stockEvents.map(event => (
Qunatity: {event.qty}
))}
)
}
export default StockEventsTable;
...ANSWER
Answered 2020-Nov-17 at 18:24I think you should change stockEvents
to stockevents
(all lowercase), try change the code
Example:
QUESTION
I am trying to learn and work with APIs, I am using the Tiingo Stock API to get stock info. My current app is:
...ANSWER
Answered 2020-Jul-03 at 05:24It is because you have async method in your setState
method.
The setState
method will be called synchronously.
So here problem is when setState
is performed and frame get refreshed your data from api has not arrived yet and it showing you the old data. When you again click the button your out
variable have new data (from your first click) which will be shown on the screen and API will be called again.
To solve your problem
QUESTION
So my View Model is not giving my CSV file's information to the view correctly. I have already placed a break point and the List "Stocks" fills up nicely and I can even see all the values in public IEnumerable Stocks { get; set; }
However the var, ViewModel is null when I got to my controller? Any suggestions?
Here is the View Model
ANSWER
Answered 2020-Feb-09 at 04:41The Stocks
property of an StockInfoViewModel
instance is not assigned. You set the intental variable Stocks
within the constructor.
You need to replace the line
QUESTION
I use the following function which is all well and fine but i basically do the same operation about 20 times. For various end points of an api I am hitting how would one make this routing more Generic in the ability to pass and return type OF T.
...ANSWER
Answered 2019-May-25 at 14:39Your objective here appears to be to call an endpoint and get the results back into an object you can use. If the call is successful, you return the result and if it fails, you return an empty list.
We can abstract that logic out into a generic method that accepts a url and parameters and returns an object.
QUESTION
I'm working on a Android Studio Project and my application is crashing whenever I try load a fragment with an animation. Here is my code:
...ANSWER
Answered 2018-Apr-03 at 14:22You don't need to make new instance of AnimationUtils. Update your code by removing new keyword
QUESTION
I have been trying to pass the info of my JTextField that is in a JDialog into my JFrame. Both the JDialog and JFrame are in separate classes. I have tried to store the JTextField into a JLable using the .setText and .getText and then passing the JLable into the JFrame but with no luck.
I know there are many similar questions but I have tried many different approaches but still no luck. I am relatively new to Java and do not know all the in's and out's. Any help is very appreciated!
My code for the JFrame:
...ANSWER
Answered 2018-Mar-06 at 23:33For demonstration, what the problem is, we need less Fields and Buttons.
So far, no component of StockApp needs to be accessed from different methods, so there is no need to make them visible outside of the ctor.
More explanations in the code.
QUESTION
I tried checking for wrong imports but it just looks fine, I have also verified the versions of react-router and react-router-redux. I am stuck one this one since two days, would really appreciate some help. https://github.com/shrutis18/stockApp Do the following to run the app.
...ANSWER
Answered 2018-Jan-26 at 22:26The error you are getting is because you are exporting BrowserRouter from "react-router".
BrowserRouter is located in the "react-router-dom" package.
In src/routes.js
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