simpleBlog | A blog finished in 3 evenings with spring and vue | Application Framework library

Reason for Attribute error ​is Your Post model does not have a total_likes nor a total_ dislikes method.

You can write methods for the same in your models.py

You need to specifically import ArticleDetailView as well:

Open the browser to your page and put a breakpoint in the browser on the code, you can click on F12 to open the developer window click on console and navigate to the line. click on the line to add a breakpoint.(red bullet) For ex.

The if statement would be a nice spot to put a breakpoint on. (javascript side) when in a breakpoint ( you see a blue line / redline) hovering on that spot when you hit it, and you can see which variables you have. and in console you can type "msg" and it would show you the current state of the msg object.

also might want to add a error part to the ajax call, just to check if the ajax call itself went ok.

I have encountered this problem. Most likely your EC2 instance is running out of memory when compiling the gems, and it is not able to install all of the gems. A t3a.nano instance has 0.5 GB of memory, while t3a.micro has 1.0 GB.

I solved it in my application by simply creating a swap file. It's an elastic beanstalk application, but you can probably adapt it to your application.

https://github.com/stefansundin/rssbox/blob/1e40fe60f888ad0143e5c4fb83c1471986032963/.ebextensions/01-swap.config

When reading through the code for data.table:::cube.data.table and data.table:::groupingsets.data.table, the j argument is already being evaluated using NSE. Hence, being unable to pass in as.name(var_work) to the environment argument of substitute, the function will fail.

As a workaround, you can use .SDcols: