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Strategy Pattern Explained With a Real Python Example
The strategy pattern hands one changeable step to a separate object. The code around it keeps the steps that never change, and calls one s...
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System Design
Strategy Pattern Explained With a Real Python Example
The strategy pattern hands one changeable step to a separate object. The code around it keeps the steps that never change, and calls one s...
Geography
Why do cyclones spin? How hurricanes form
Cyclones spin because the Earth spins. Air rushes in towards the low pressure at the centre of the storm, and the Coriolis effect bends it...
Maths
Section formula and distance formula: don't swap m and n
The section formula gives the point P between A(x₁, y₁) and B(x₂, y₂) with AP : PB = m : n. It is x = (mx₂ + nx₁) ÷ (m + n), and likewise ...
System Design
Factory Pattern Explained With a Real Python Example
The factory pattern puts the job of making objects in one place. Instead of every part of your code deciding which class to build, it asks...