Really excited for the release of my first feature for CSS-Tricks, “Recipes for Performance Testing Single Page Applications in WebPageTest” 🎉 Let me walk you through testing the performance of React/Vue/whatev’ apps with WebPageTest Scripting 🤖 css-tricks.com/recipes-for-pe…

Are you using Cypress.io? I have a present for you: github.com/testing-librar… This will make your tests WAY easier to read and write and a lot more resilient. Bonus: your Cypress E2E tests will look a lot like your Jest integration/unit tests if you use Testing Library there too!

Tests should be coupled to the behavior of code and decoupled from the structure of code. Seeing tests that fail on both counts.

A Week of #Symfony 667 (7-13 October 2019) symfony.com/blog/a-week-of… Highlights: Symfony 3.4.32 and 4.3.5 maintenance versions released; improved YAML syntax of service method calls; improved Cache performance; you can now omit the event name when registering listeners.

PHPStan’s New Baseline Feature Lets You Hold New Code to a Higher Standard medium.com/@ondrejmirtes/…

Aaand after many months of internal beta-testing and countless hours on the project, I’m really proud to announce that we just open sourced Falco! 🎉 Falco is an automatic, easy-to-use Web Performance auditing tool. getfal.co Thread below🧵👇

The notion that there is no planning in Agile is remarkably ignorant. Planning is the core practice of Agile. Observe, Plan, Execute, Evaluate. Over and over and over.

Coming soon: Profile #Python Applications with #blackfireio. Measure and improve Python Code #performance. hello.blackfire.io/python

Quality is the key to speed. You go fastest when you go well. And never ask for permission to go well; that’s your responsibility and no one else’s.

🚀 Launching Lighthouse CI! 🚀 Run Lighthouse automatically on every commit. Validate changes are good before they go live. You can also monitor your progress over time. 🕑 → goo.gle/2NXMig6

Agile is not about going faster. Agile is about destroying hope. The data produced by a good agile team provides a cold dose of reality to the managers — in time for them to — manage.

Trop hâte d’y être :) si vous avez envie de partager votre expérience de #serverless faites moi signe 👋🏻

The only test coverage goal that makes any sense is 100%. It’s an asymptotic goal. You’ll likely never get there. But you should never stop trying.

JetBrains just released JetBrains Mono, their bespoke, open source, gorgeous monospace typeface ❤️ Grab it here 👉 jetbrains.com/lp/mono/

Could Github Actions really replace any CI/CD pipeline? Not yet. Will it ? Probably. Find out why :

Ever wondered what a production serverless event sourced system might look like ? Join us on June 3rd to find out !

My amazing former colleagues Kévin Jean and Côme Sabran are going live today with Overlay, their design-to-code product that turns your Sketch and figmadesign designs into clean, composable and reusable code 🖼➡️💻 So excited for them! 🤩 overlay-tech.com

I deeply regret my participation in the board's actions. I never intended to harm OpenAI. I love everything we've built together and I will do everything I can to reunite the company.

𝑨̀ 𝑩𝒆𝒂𝒖𝒄𝒂𝒊𝒓𝒆, 𝒍𝒂 𝑳𝑫𝑯 𝒗𝒆𝒖𝒕 𝒊𝒏𝒕𝒆𝒓𝒅𝒊𝒓𝒆 𝑵𝒐𝒆̈𝒍 ! Beaucaire, ville aux traditions profondément ancrées dans la culture provençale et camarguaise, est fière de ce qu’elle est. Cette année encore, la cour de l’Hôtel de Ville accueille une exposition