Sharing what I learn along the way. From technical deep-dives to thoughts on software development best practices.
A field account of wiring the FedEx REST APIs into a long-lived in-house PHP platform — OAuth, live negotiated rates, paperless customs documents, per-box thermal labels — and the data discipline that actually gets a parcel through customs. No rewrite, no downtime.
A commerce team complained their estimate page was hanging for 10 seconds. Nothing in the code had changed. The culprit turned out to be a single line in the MySQL 8.0 changelog — and fixing it meant applying three layers of caching to a codebase that pre-dated modern PHP frameworks.
A detailed technical walkthrough of migrating a business-critical PHP platform from a single in-office server to managed cloud infrastructure using binary-log replication — with only ~10 minutes of user-visible downtime and zero data loss.
A practical explanation of using Disjoint Set Union (DSU) data structure to solve a complex connectivity problem in production.
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