Is there short Pandas method chain for assigning grouped nth value?

I use nth value as columns without row aggregation. Because I want to create a feature that can be tracked by using the window function and the aggregation function at any time. R: library(tidyverse) iris %>% arrange(Species, Sepal.Length) %>% group_by(Species) %>% mutate(cs = cumsum(Sepal.Length), cs4th = cumsum(Sepal.Length)[4]) %>% slice(c(1:4)) Sepal.Length Sepal.Width Petal.Length Petal.Width Species cs…

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Ubuntu 18.04 intel wireless ac 9260 “This device is not working” under additional drivers, but wifi is working

I just did a fresh 18.04 install. Now my wifi isn’t recognized for some reason, but I’m using wifi right now. I’m not sure what this means here’s a screenshot of it. I tried some possible solutions here, but they didn’t work for me. I also have windows 10 installed on the same laptop, but…

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Magneto 2 Custom Module – Load Subscriber Email in PHTML file after newsletter subscription

I am working on a custom module where we need to load the email address of a newsletter subscriber in a phtml file after they subscribe. Our Observer file is triggered on a subscription event and collections the following data: public function execute(\Magento\Framework\Event\Observer $observer){ $event = $observer->getEvent(); $subscriber = $event->getSubscriber(); $email = $subscriber->getEmail(); $promoCode =…

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