How to make Django request.is_ajax() work with JS fetch() Django's request object has a nifty little method `is_ajax`. It allows determining whether a requ...
How To Remove A Menu Item From Wagtail Settings Menu Let's say I want to remove the **User** menu item from Wagtail settings menu. All I need to do...
Fixing anymail/mailgun "Domain not found" error Are you swearing at mailgun now? Have you smashed your keyboard already? Do you keep receiving th...
Fixing "Uncaught ReferenceError: ga is not defined" Are you staring at a pesky *"Uncaught ReferenceError: ga is not defined"* console error message r...
A list of available parameters for Storybook's Info addon [Storybook](https://github.com/storybookjs/storybook) has **"Info addon"** that shows additional ...
A quick bash tip: find files containing specific text This command works on both Linux and Mac: ```bash grep -Rl --include \*.py 'search_vector' ./...
How to get number of days in a month with JavaScript ```javascript const getDaysInMonth = date => new Date(date.getFullYear(), date.getMonth() + 1...
How to test if element exists/doesn't exist with Jest and react-testing-library At first, let's create a simple avatar component: ```javascript function Avatar({ username, s...
How to get the domain name of a server that hosts a JavaScript file? It can be done in two steps: ## 1) Determine a JavaScript file URL with `document.currentScrip...