gron | Make JSON greppable! | JSON Processing library
kandi X-RAY | gron Summary
kandi X-RAY | gron Summary
Make JSON greppable!
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QUESTION
I'm stuck on how to calculate the total amount and total price of my cart in this project. The task is to create a simple (beginners) e-commerce website where a customer should be able to click on a product and add it to their cart (with the name, amount and price displayed of the product, the amount and price should update correctly according to how many times a customer clicks on the button attached to the product).
And I can only use javascript (or html if necessary).
I have the website mostly working. Everything can be added to the cart and the cart keeps track of the amount and price for each product.
But I can't figure out how to make it so when I press the buy button, below the cart, the total amount and total price of all the products added to the cart is displayed in a string beneath the cart.
I've tried searching online for answers but I can't seem to figure it out.
Please help! :)
Anything you can think of is greatly appreciated because at this point I'm completely clueless. And worth to note, I'm really new to javascript!
Here are my javascript code thus far:
...ANSWER
Answered 2022-Jan-16 at 20:33Your issue is that your cart
is only storing the following information in key-value pairs: the key is the product name, and the quantity is the value. There is no price information in the cart
object at all, therefore computing it requires looking up the original products
array.
Moreover, count
and total
are declared outside the buy()
function, yet the function, when invoked, does not update these values. These values are only set at runtime and is not updated after.
Therefore the quickest solution is to rewrite your buy()
function into something like this, while removing the countCart()
and totalCart()
functions:
QUESTION
We are scraping the metrics of many istio-proxy sidecars with Prometheus. As these are many metrics, we would like to compress the payload to save us some bandwidth.
Out of the box the stats endpoint does not seem to be compressed with Istio 1.8.2:
...ANSWER
Answered 2021-Apr-19 at 14:40With help in an Istio issue, we made it work. I am copying my original response from: https://github.com/istio/istio/issues/30987#issuecomment-822517456
I got a working example and our network usage went down from ~20MBytes/s to ~30KBytes/s (yes, from Mega to Kilo 🔥). First I thought there was any error, but the data was complete and I did a short check with my CLI:
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