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The **Queuing Rule of Thumb (QROT)** is a mathematical formula, known as the queuing constraint equation when it is used to find an approximation of servers required to service a [queue](https://en.wikipedia.org/wiki/Queue_area). The formula is written as an [inequality](https://en.wikipedia.org/wiki/Inequality_(mathematics)) relating the number of servers (*s*), total number of service requestors (*N*), service time (*r*), and the maximum time to empty the queue (*T*): ![](https://wikimedia.org/api/rest_v1/media/math/render/svg/794b75ac4505566fa6800c4d4f95d5d1fd86216e)

Queuing Rule of Thumb

wikipedia.org

Asking for help with shame says: You have the power over me. Asking with condescension says: I have the power over you. But [[asking for help with gratitude::highlight]] says: We have the power to help each other.

The Art of Asking: How I Learned to Stop Worrying and Let People Help

Startupy

Interlace is “the device of interweaving of a number of different themes … all distinct and yet inseparable.” The device is thought to have originated with Ovid. Denis Feeny in his introduction to Ovid’s Metamorphoses, notes that the “haphazard chain of association is entertaining, but it also reinforces the Ovidian theme of the very contingency of connectedness.”

Crossing the Sunshine Skyway

Robin Sloan

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