Cathal Mac Donnacha
Tech with Cathal 🚀

Tech with Cathal 🚀

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Cathal Mac Donnacha

15 followers

Follow me on my journey as I write about real tech topics I face in my everyday life as a Frontend Developer.

Playwright E2E testing: Tips and best practices

Mar 23, 20223 min read

Learn some tips and best practices to give your E2E Playwright tests a boost.

Playwright E2E testing: Tips and best practices

Working around CORS in create-react-app

Jan 31, 20222 min read

One problem we often face as frontend developers is dealing with CORS when making API requests. What is CORS? CORS (Cross-Origin Resource Sharing) is essentially a mechanism that allows a server to express what other domains can make requests to it. ...

Working around CORS in create-react-app

Cypress vs Playwright: Which is best for E2E testing?

Dec 15, 20213 min read

Cypress was our go-to end-to-end (E2E) testing tool, and we were pretty happy with it, up until recently that is. Lately, we've run into a couple of testing scenarios where Cypress support has been limited, notably around multiple domains/tabs and iF...

Cypress vs Playwright: Which is best for E2E testing?

Why you should make your tests fail

Dec 2, 20213 min read

Learn why making your tests fail is actually a good idea.

Why you should make your tests fail

6 tips every code review author should know

Nov 5, 20214 min read

I've submitted my fair share of code reviews at this point of my web development career and I've picked up a couple of tips along the way, so I wanted to share some of them with you. 1. Keep it small 🤏 Try and keep your code reviews as small as poss...

6 tips every code review author should know

Tips for developers switching from Windows to Mac

Nov 1, 202111 min read

Learn about some of the top tips that helped me make the switch from being a long time Windows user, over to Mac.

Tips for developers switching from Windows to Mac