What is caching and how can you implement your cache?

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1. How do you prove a function is Injective or Surjective?
2. What is cache eviction?
3. Can a function be Surjective but not Injective?
4. What is Lru_cache in Python?
5. Which page replacement algorithm is best?
6. Why new keyword is used in C#?
7. Is not equal to in SQL?
8. What does == mean in math?
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10. What is knapsack problem in dynamic programming?

Tags

1. #keeping
2. #frequently
3. #accesses
4. #benefits
5. #using
6. #directly
7. #application
8. #memory
9. #cache
10. #accessed