Week 5 • January 2026

Jan 25 2026 • 5 mins read • weekly-rounduprubytilpostgresql

Articles

Inside Cursor: "Greatness is created through the collision of little sparks, ignited by people at the peak of the craft who care a lot and won’t stop working until it gets there."
Nongoloza’s Ghost: "True liberation can only be grasped by those with clean hands."
The Hidden Banking Layer Behind Stablecoin Payments: "Stablecoins might improve the movement of value, but they do not eliminate the banking system that surrounds the start and end of every transaction."
Blessed Are The Shameless: "In a well-functioning system, dignity can be protective. In a deeply dysfunctional one like Nigeria, dignity becomes exposed skin. You keep it, and Nigeria slaps it. Not even a normal slap. What Nigerians will call a dirty slap. Eventually you learn to grow armour. Shamelessness becomes armour."

Ruby Singleton
JSONB @> Operator
RoR *_was dirty tracking API
In RoR, you can create a record for a model with a has_one relationship with create_<model_name>. E.g. For a User with has_one :risk_profile. You can then create a risk profile with user.create_risk_profile(score: 10, severity: :low).
Hysteresis: A band of inactivity that prevents rapid vacillation between states when a value hovers near a threshold. This was useful while working on risk scoring as it minimizes unnecessary alerts when a user's score fluctuates around tier boundaries.