How can one generate and save a file client side using Blazor?

I want to have a SPA that’s doing all the work client side and even generating some graphs/visuals. I’d like to be able to have the user click buttons and save the visuals, tables, and other things from the page (that are both seen and not seen, so right click save or copy/paste is not … Read more

Job for mysqld.service failed See “systemctl status mysqld.service”

Console says [root@ip-172-31-18-2 mysql]# service mysqld start Starting mysqld (via systemctl): Job for mysqld.service failed because the control process exited with an error code. See “systemctl status mysqld.service” and “journalctl -xe” for details. mysqld.service [root@ip-172-31-18-2 mysql]# systemctl status mysqld.service ● mysqld.service – SYSV: MySQL database server. Loaded: loaded (/etc/rc.d/init.d/mysqld) Active: failed (Result: exit-code) since Sat … Read more

How to obtain values of parameters of get request in flask?

The answer that I found on the web is to use request.args.get. However, I cannot manage it to work. I have the following simple example: from flask import Flask app = Flask(__name__) @app.route(“/hello”) def hello(): print request.args[‘x’] return “Hello World!” if __name__ == “__main__”: app.run() I go to the 127.0.0.1:5000/hello?x=2 in my browser and as … Read more

How to restart a windows service using Task Scheduler

The easiest way to do this is to create a batch file with: NET stop <service name> NET start <service name> Once the batch file is created and tested, add it to Windows Task Scheduler and run it at a specific time interval. Problem here is, when the bat file is missing or corrupt, the … Read more

How to make CloudFront never cache index.html on S3 bucket

I have a React app hosted on an S3 bucket. The code is minified using yarn build (it’s a create-react-app based app). The build folder looks something like: build ├── asset-manifest.json ├── favicon.ico ├── images │   ├── map-background.png │   └── robot-icon.svg ├── index.html ├── js │   ├── fontawesome.js │   ├── packs │   │   ├── brands.js … Read more

AWS EC2 Ubuntu 12.04.1 LTS: deb command-not-found [closed]

Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 9 years ago. Improve this question When I tried to install mongoDb in my AWS EC2 Linux instance:Ubuntu 12.04.1 LTS, deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen I get this following error, … Read more

Web Services vs EJB vs RMI, advantages and disadvantages?

My web server would be overloaded quickly if all the work were done there. I’m going to stand up a second server behind it, to process data. What’s the advantage of EJB over RMI, or vice versa? What about web services (SOAP, REST)? Answer EJBs are built on top of RMI. Both imply Java clients … Read more

Amazon AWS CLI not allowing valid JSON in payload parameter

I am getting an error when I try and invoke a lambda function from the AWS CLI. I am using version 2 of the CLI. I understand that I should pass the –payload argument as a string containing a JSON object. aws lambda invoke –function-name testsms –invocation-type Event –payload ‘{“key”: “test”}’ response.json I get the … Read more