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Is It Safe to Use Online PDF Tools? How to Check Before You Upload
You need to merge two PDFs, shrink a scan or sign a form. A quick search shows dozens of free websit…
How to Use Jira Rovo for Free
Atlassian Rovo is the AI layer built into Jira and Confluence. It can search across your work, answe…
Treat UTM Parameters as User Input
Disclosure: This article was drafted with generative AI. The small JavaScript example was checked lo…
Your receipt printer prints ç instead of €. Mine printed Chinese.
People have been asking the same question about receipt printers for years. In 2017 someone opened …
What a passing test score didn't tell me about my AI agent
My site has an AI agent, FIXER, that talks to recruiters and their ai agents for me. It answers ques…
A 5-second file scan was freezing my phone UI: two worker-thread lanes and a hard timeout in Node.js
Disclosure: I'm the developer of Relaymote, and this post is published from my account. It was draft…
I ran 6 free image compressors through 13 tricky images and scored every result
"Save as JPEG, quality 75" is the default advice. I saved five images at quality 75 with ImageMagick…
The Developer Says It's Fixed. QA Says It Isn't: Why Bug Tracking Needs Better Collaboration
Almost every development team has been through this at some point. A QA tester finds a bug and repo…
Why I Built rStats.js: Bringing Reliable Statistical Computing to JavaScript
Introduction I am developing rStats.js, an open-source library for performing statistical analysis…
The Print Layer of app.onepassapps.com: One Button, Two Print Media Queries, and 314 Elements That Vanish
I work on OnePassApps, so this is our own site's own print layer. Every number below was measured on…
Building editable beat templates for a browser video editor
A beat template in Timeline Studio starts with a set of media slots and ends with clips you can sele…
Designing AI Billing: Subscriptions, Credits, Refunds, and Idempotency
AI billing is a product decision and an engineering problem. This guide compares subscriptions and c…