https://jaf.run/en/ Jafran Hasan · from another perspective Essays by Jafran Hasan. 2026-06-11T00:00:00.000Z Jafran Hasanmail@jaf.run https://jaf.run/en/articles/two-claude-code-accounts-one-machine Running two Claude Code accounts on one machine 2026-06-11T00:00:00.000Z 2026-06-11T00:00:00.000Z I paid USD 100 a month for Claude Max and never managed to use it up. Two Pro accounts at USD 40 turned out to be the better deal: one environment variable, two shell aliases, zero logouts. Works on macOS, Linux, and Windows. Jafran Hasanmail@jaf.run https://jaf.run/en/articles/rajshahi-ultimate-travel-guide রাজশাহীর আল্টিমেট ভ্রমণ গাইড 2026-05-14T00:00:00.000Z 2026-05-14T00:00:00.000Z ঢাকা থেকে রাজশাহী, কখন আসবেন, কোথায় উঠবেন, পদ্মার ধারে কী খাবেন, পুঠিয়া-বাঘা থেকে কী দেখবেন, রেশম-আম-গুড় কোথায় কিনবেন, আর হাতের কাছে কোন নম্বরগুলো রাখবেন। এক বসায় পড়লেই রাজশাহী চিনে যাবেন। Jafran Hasanmail@jaf.run https://jaf.run/en/articles/shakespeare-http-error-codes What if Shakespeare rewrites HTTP error codes? 2026-05-14T00:00:00.000Z 2026-05-14T00:00:00.000Z AI is dangerous. I asked ChatGPT to rewrite every HTTP status code in Shakespearean English. Here is the cast list, from 100 Continue to 503 Service Unavailable. Jafran Hasanmail@jaf.run https://jaf.run/en/articles/the-flawed-gregorian-calendar The flawed Gregorian calendar 2026-05-14T00:00:00.000Z 2026-05-14T00:00:00.000Z The calendar you use every day is wrong. Not a little wrong, really wrong. Why the Gregorian calendar drifts from reality, and the thousand-year-old Persian calendar that got it right. Jafran Hasanmail@jaf.run