1. What a Quant Does A quant’s job is to design and implement mathematical models for finance, including derivative pricing, risk valuation, and predicting market behavior. 2. Types of Quants Desk quant, who develops pricing models used directly by traders. The advantage is being close to the money and the opportunities encountered in trading.

1. Koch Curve The Swedish mathematician Helge von Koch proposed the Koch curve in his 1904 paper “On a continuous curve without tangents, constructible from elementary geometry.” It is described as follows: Specify the length of a line segment \(l\) (this can be thought of as iteration 0) Divide this

1. Fractal Theory 1.1 The Definition of a Fractal A fractal usually refers to a geometric shape that can be divided into several parts, each of which is approximately a reduced-scale copy of the whole — that is, it has the property of self-similarity. 1.2 The History of Fractal Research In the 17th century, Leibniz already pondered the problem of self-similarity.

1. Django Built-in Permission Management 1.1 Permission Categories Permission Used to define User A’s permission on Task. User If User A has permission on Model B, then User A has the corresponding permission on all instances in Model B. The user_permission field of the User object is used to manage

1. Background In the course of Web development, migrating data between multiple environments (local, testing, and production) comes up often. This article mainly discusses the possible data migration paths involved in Django development, and seeks feasible methods for them. 2. Scenarios There are four data migration targets in total: the