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Submission: On May 20 via api from US — Scanned from CH
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GRRR text logo * Articles * Inspiration * About us * Open Source * Jobs Light Dark Toggle dark mode GRRR'S TECH BLOG Hey! We're GRRR, a Creative Digital Agency based in Amsterdam. Welcome to our tech blog, where we share our thoughts and experiments. FILTER BY CATEGORY: * All * Accessibility * Back-end * CSS * DevOps * Front-end * React * Tooling * UX * April 29, 2024 CASE STUDY: ACCESSIBLE AND RELIABLE TECH FOR SCHOOLWIJZER Crafting accessible, high-performing websites: see our approach in action with Schoolwijzer. 8 min read * March 27, 2024 PERMISSION PROBLEM WITH EMBEDDING FEATURED MEDIA VIA THE WORDPRESS REST API How to solve the rest_forbidden error. 6 min read * February 26, 2024 HOW TO USE MAP, FILTER, AND REDUCE IN JAVASCRIPT A tutorial about the three most important functions in JavaScript. 13 min read * January 30, 2024 GET NOTIFIED WHEN LOCK FILES CHANGE Let Git tell you when you need to install dependencies. 5 min read * December 18, 2023 BLURRING THE LINES BETWEEN FRONT-END AND BACK-END DEVELOPMENT An end-of-year reflection on our development team. 8 min read * November 30, 2023 HOW TO IMPORT BIG SPREADSHEETS Tips for importing big spreadsheets into a MySQL database. 8 min read * October 11, 2023 EMBRACING ACCESSIBILITY AS A TEAM EFFORT Let's shift to the left. 8 min read * September 27, 2023 USING NEW PSEUDO-CLASS SELECTORS IN 2023 Some thoughts on the :is() :has() and :where() pseudo-class selectors 7 min read * August 28, 2023 TRANSFORM WORDPRESS INTO A HEADLESS CMS Follow our advice to ensure a smooth headless experience with WordPress 10 min read * July 31, 2023 AUTOMATICALLY SORT IMPORT STATEMENTS WITH PRETTIER Reduce even more repetitive tasks in your workflow. 7 min read * July 10, 2023 OPENIDCONNECT PROVIDER'S HTTPS CERTIFICATE DOESN'T MATCH CONFIGURED THUMBPRINT A solution for this error 4 min read * June 15, 2023 TIPS TO MAKE YOUR CODEBASE FUTURE DEVELOPER FRIENDLY After frustrating experiences with codebases, I created this list to, hopefully, prevent that frustration in the future. 8 min read * May 23, 2023 HOW TO USE PROXY OBJECTS IN TYPESCRIPT What are Proxy objects and how can you use them with TypeScript? 9 min read * April 25, 2023 CONTAINER QUERIES MAKE THE MOST IMPORTANT LESSON I'VE EVER LEARNED, A REALITY “Build each component so that it can be re-used everywhere” 6 min read * March 30, 2023 5 ACCESSIBILITY MISTAKES YOU MIGHT NOT THINK ABOUT Learning about accessibility is something we continue to do each day. Let's take a deep dive and explore 5 lesser known issues. 8 min read * February 23, 2023 DOMAIN REDIRECTS FOR CLOUDFRONT How to redirect domains with CloudFront Functions. 5 min read * February 7, 2023 USING THE NEXT.JS OUT FOLDER IN NETLIFY CAUSES AN ERROR FROM TODAY ON Here's how to fix it. 3 min read * January 31, 2023 REDUCE STATIC PAGE SIZE WITH SMART NEXT.JS COMPONENTS Improve performance by trimming your Next.js payload. 8 min read * December 20, 2022 SLACK MESSAGES FROM GITHUB WORKFLOW How to send a message to Slack without dependencies. 7 min read * November 30, 2022 MELKWEG.NL - SERVING OVER 30,000 WEB PAGES BLAZINGLY FAST. An insight into how we made the new website for the Melkweg fast and snappy. 8 min read * November 6, 2022 CHANGE CACHE DRIVER FOR LARAVEL TASK SCHEDULER ONONESERVER With onOneServer you can prevent jobs from executing on multiple workers. But how to use another cache driver? 3 min read * October 20, 2022 HOW TO MANAGE STAGING AND PRODUCTION ENVIRONMENTS IN NETLIFY Organise your environments like a pro. 7 min read * September 26, 2022 EVENT.PREVENTDEFAULT DOES NOT ALWAYS PREVENT WHAT YOU MIGHT EXPECT The weird world of event.preventDefault and React checkboxes 6 min read * August 24, 2022 THE SMALLEST PHP VERSION SWITCHER A really quick PHP version switcher built with Homebrew 4 min read * August 9, 2022 DEPLOYING YOUR PHP APPLICATION TO AN AMAZON AUTO SCALING GROUP WITH DEPLOYER This article tells you how to deploy your PHP application to an Amazon ASG, using Deployer. 8 min read * July 25, 2022 HOW GRRR USES GITHUB ACTIONS GRRR moved to GitHub Actions, and we happily shed light on how we arrange workflows. 8 min read * June 24, 2022 DUTCH PHP CONFERENCE Conference report: our notes and takeaways from the Dutch PHP Conference. 6 min read * June 10, 2022 CSS DAY — DAY 2 Conference report: our notes and takeaways from our visit to CSS day. 20 min read * June 9, 2022 CSS DAY — DAY 1 Conference report: our notes and takeaways from our visit to CSS day. 13 min read * May 2, 2022 STATICALLY ANALYZE YOUR LARAVEL 9 APPLICATION WITH PHPSTAN This article shows how to enrich your Laravel application with type hints so you can reap the benefits of static analysis. 12 min read * April 25, 2022 HOW TO SET CORS HEADERS ON YOUR S3 BUCKET CORS rules can be finicky. This post is a quick reminder of how to open up your bucket using CORS. 5 min read * March 31, 2022 WHY USE REFS IN REACT You can use the querySelector in React but it's better to use refs. Why is this? 7 min read * February 27, 2022 HOW TO RENAME YOUR "MASTER" BRANCH TO "MAIN" In the spirit of inclusive language, we happily follow the trend of moving towards the name "main" instead of "master" for our default Git branches. 6 min read * January 19, 2022 USING MEDIA QUERIES TO IMPROVE ACCESSIBILITY Sometimes you're faced with designs that are not optimal in terms of accessibility. Media queries to the rescue! 5 min read * December 7, 2021 GITHUB ACTIONS AND NO AWS CREDENTIALS GitHub Actions recently made OpenID support available. This article explains how to use it. 6 min read * November 29, 2021 MAKING TYPESCRIPT'S PARTIAL TYPE WORK FOR NESTED OBJECTS The Partial type is a great idea, but doesn't work for nested objects. This article will show you how to fix that. 8 min read * November 1, 2021 4 REASONS TO NOT USE A CAROUSEL Why do we think carousels are bad? Let's go over some serious considerations to be aware of when adding a carousel to your website. 8 min read * October 6, 2021 PERFORMING A/B TESTS ON STATIC WEBSITES USING CLOUDFRONT AND LAMBDA@EDGE How do you perform A/B experiments when your site is static? 9 min read * September 20, 2021 HOW TO USE OPENVPN IN GITHUB ACTION WORKFLOWS? We love GitHub Actions and a client requires a VPN connection to deploy. Let's dive in! 7 min read * July 30, 2021 HOW TO ENSURE ONLY A SINGLE MODEL HAS A CERTAIN VALUE IN LARAVEL? What if only a single record in your database is allowed to have a certain value for a given property? 6 min read * February 2, 2021 VALIDATING A MULTI-COLUMN UNIQUE KEY IN LARAVEL NOVA How do you incorporate the rules for a unique key consisting of multiple columns in Laravel Nova? 6 min read * December 11, 2020 EMBEDDING CONTENT THROUGH AN IFRAME What are the risks when you embed content through an iframe. 6 min read * June 5, 2020 HOW TO CREATE A WHATSAPP BUTTON? An overview of WhatsApp button implementations. 4 min read * May 20, 2020 WE'RE HIRING! GRRR is looking for a front-end developer. 3 min read * March 17, 2020 PROGRAMMATICALLY SWITCH DARK MODE IN MACOS An epic weapon in the epic battle between light and dark! 6 min read * February 13, 2020 ADD LOCALES TO YOUR ALPINE LINUX DOCKER IMAGE Alpine doesn't support locales out of the box, with musl-locales it's possible to add locales. 5 min read * January 23, 2020 HOW TO ADD DARK MODE STYLING TO YOUR WEBSITE Add Dark Mode styling with a new CSS feature. 5 min read * January 8, 2020 SIMPLY STATIC DEPLOY: STATIC SITE GENERATOR AND DEPLOY PLUGIN FOR WORDPRESS Generate a static version of your WordPress site and deploy it to an AWS S3 bucket. 8 min read * December 3, 2019 CASE STUDY: SERVERLESS ARCHITECTURE FOR THE OCEAN CLEANUP Migrating from a dynamic monolithic CMS approach to a statically hosted WordPress site with microservices. 10 min read * October 10, 2019 GUIDELINES FOR DUTCH GOVERNMENTAL WEBSITES Make your governmental website comply with the Dutch guidelines. 10 min read * September 25, 2019 OUR WORDPRESS PRO SETUP A WordPress boilerplate, including dependency management, multi-environment deployment strategies and front-end tooling. 9 min read * June 17, 2019 REDIRECT WWW TO NON-WWW USING CLOUDFRONT AND LAMBDA@EDGE Redirect your static site to a canonical hostname using Lambda@Edge. 8 min read * May 25, 2019 HOW TO USE JAVASCRIPT GETTERS AND SETTERS A quick primer on JavaScript getters and setters. 6 min read * May 8, 2019 SPEEDUP TRAVIS CI FOR PHP APPS Speed is vital when using CI. These are some tips to make Travis CI not the bottleneck. 4 min read * April 17, 2019 TRAP KEYBOARD FOCUS IN AN ACCESSIBLE ELEMENT A small function to trap keyboard tab focus with JavaScript when building accessible modals or dialogs. 5 min read * March 29, 2019 CREATE A DOM NODE FROM AN HTML STRING A comparison of different methods, including security risks, HTML restrictions and a performance benchmark. 6 min read * March 13, 2019 INTRODUCING HANSEL, RUNNER OF HANDLERS AND ENHANCERS Hansel packages the way we bind behavior to a page. 6 min read * February 22, 2019 A SASS SNIPPET FOR HANDLING SAME-COLOR BLOCK MARGINS A simple solution for handling margins for content blocks with the same background color. 5 min read * February 18, 2019 WHY YOU SHOULDN'T OPEN LINKS IN NEW TABS Why using target="_blank" can cause accessibility issues. 5 min read * November 11, 2018 NPX IS COOL... BUT WHY NOT USE A RELATIVE $PATH? Use a flexible $PATH to resolve executables in any language. 5 min read * July 29, 2018 CHALLENGES WITH DOING RECURSION IN PHP Struggles and successes. 9 min read * June 5, 2018 THE CURRENT STATE OF <DETAILS> What is and isn't working in which browser, and how you can fix it. 5 min read * May 31, 2018 AUTO-DEPLOY WITH TRAVIS CI An auto-deploy strategy using Travis CI and Git tags. 6 min read * May 4, 2018 INSTALLING HOMEBREW PHP EXTENSIONS WITH PECL A guide to help you install PHP extensions using Homebrew PHP versions from homebrew/core. 7 min read * April 30, 2018 CODING FOR ACCESSIBILITY: AN INTRODUCTION 7 Easy ways to make your website more accessible. 7 min read * July 14, 2017 GIT FEATURE BRANCHES The way we work with git feature branches. 10 min read Interested in our work? Visit our regular website or check us out on GitHub and Twitter.