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Ship Production AI in 3-7 Weeks | Harbor Software

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Redis Beyond Caching: Queues, Pub/Sub, and Rate Limiting

Redis is one of the most misunderstood tools in the modern software stack. Most teams discover it as a cache — a faster alternative to hitting the database for frequently accessed data. They install it, configure a TTL, and move on. That is a valid

Competitive Intelligence Systems: Architecture and Implementation

Every business monitors competitors. The question is whether they do it systematically or haphazardly. Most companies fall into the haphazard camp: someone checks a competitor’s website occasionally, a sales rep mentions a competitor’s new pricing in a Slack channel, a product manager bookmarks a competitor’s

The Hidden Complexity of PDF Processing

PDF is the cockroach of file formats. It was designed in 1993 by Adobe to faithfully reproduce printed documents on screen, and it has survived every attempt to replace it. Every business uses PDFs. Every developer eventually has to process them. And every developer who

Document Parsing with AI: Extracting Structure from Chaos

Businesses run on documents. Invoices, contracts, purchase orders, spec sheets, compliance filings — the operational backbone of most companies is a sprawling mess of PDFs, Word files, scanned images, and emails with attachments. The information locked inside these documents is critical for operations, compliance, and

Building Data Pipelines That Don’t Break at 3 AM

Every data engineer has the story. Your phone buzzes at 3:14 AM. The nightly ETL job failed. Upstream changed a column name, or the API started returning 429s, or a single malformed record caused the entire batch to abort. You open your laptop in bed,

Tailwind CSS at Scale: Patterns for Large Applications

The Scaling Problem Nobody Warns You About Tailwind CSS is brilliant for small to medium projects. You write utility classes directly in your markup, you never context-switch to a CSS file, you delete a component and its styles disappear with it. The developer experience is

The Art of Writing Useful Error Messages

In 2023, we shipped an internal tool at Harbor Software that had a particularly unhelpful error message: “Operation failed.” No error code. No context. No suggestion of what to do next. Within the first week, our support channel had 47 messages that were all variations

Database Migrations in Production: A Zero-Downtime Approach

It’s 3 PM on a Tuesday. Your migration is halfway through altering a 200-million-row table. The application is throwing 500 errors. Your CEO just messaged the engineering Slack channel with a screenshot of a blank page. The database is locked. You can’t roll back because

Building Accessible Web Applications Without Losing Your Mind

Accessibility Isn’t a Feature — It’s a Baseline Here’s the uncomfortable truth: if your web application can’t be used by someone with a disability, it’s broken. Not “less optimal.” Not “could be improved.” Broken. In the same way that a form that doesn’t submit is
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