Influence sans manipulation
Andi Roberts had a nice article on how to influence people without being manipulative. There are 5 different types of influence methods: Rationalization (logic) Assertion (authority) Negotiating (mid
Apr 7, 20261 min read
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Apr 2, 20261 min read14
Consistent Hashing
Adding more servers (horizontal scaling) is the key to managing load. Distributing data access across a set of servers allows for high throughput. In cloud systems it's a given that a server will go d
Mar 19, 20262 min read38
Design a Rate Limiter
Clients are identified by user_id, Ip address or other modalities where server side rate limiters offer more control and not prone to manipulations over their client side variations. RateLimiters have
Mar 4, 20263 min read23
Twenty Three lessons: Mary Kay Ash
Lessons from the greatest sales woman in history.
Mar 4, 20262 min read8
The Odyssey Plan: Design Thinking for Your Career
While navigating a job change I came across the Odyssey Plan from Stanford's Life Design Lab. It's a framework from Bill Burnett and Dave Evans (the "Designing Your Life" authors) that applies design thinking to career planning. As engineers, we prot...
Jan 30, 20263 min read20
Missing initial migration
Using the Flask-Migrate extension you can create database migrations for your application. Flask application’s typically auto-create db tables on start So running flask db upgrade you’ll get: INFO [alembic.env] No changes in schema detected. To cr...
Jan 23, 20261 min read8
Ors & Ands
I came across Stephen Grupetta’s article that highlights a nuance that I didn’t consider. or and and don't return booleans. They return one of their operands which can be any data type. The Rules or: Returns the first operand when it's truthy Retur...
Jan 20, 20261 min read4
Inaccurate celery task status
Getting the status of a celery task task_result = AsyncResult(task_id, app=celery_app) works correctly if you have a result backend configured and tasks are defined with @app.task(bind=True). The result would be STARTED; SUCCESS; FAILURE; RETRY; RE...
Jan 9, 20262 min read38