Design Questions Data model Store long url and the shorten url as an entry in […]
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[SysDes1][Chap. 7] Design a Unique ID Generator in Distributed System
Design Questions Multi-master replication We can split integers by odd and even numbers. One server […]
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[SysDes1][Chap. 6] Design a Key-value Store
Design Questions CAP Theorem CAP theorem states it is impossible for a distributed system to […]
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[SysDes1][Chap. 5] Design Consistent Hashing
What is consistent hashing? The rehashing problemA usual way to partition hash values is to […]
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[SysDes1] System Design Interview
Chapter 4. Design a Rate Limiter [Note] Chapter 5. Design Consistent Hashing [Note] Chapter 6. […]
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[SysDes1][Chap. 4] Design a Rate Limiter
What is a rate limiter? A rate limiter is used to control the rate of […]
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[C++][Chap. 9] Miscellany
[content] Item 53: Pay attention to compiler warnings Example: warning: D::f() hides virtual B::f(). D::f […]
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[C++][Chap. 8] Customizing new and delete
[content] Item 49: Understand the behavior of the new-handler DO: When operator new is unable […]
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[C++][Chap. 7] Templates and Generic Programming
[content] Item 41: Understand implicit interfaces and compile time polymorphism Both class and templates support […]
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[C++][Chap. 6] Inheritance and Object-Oriented Design
[content] Item32: Make sure public inheritance models “is-a” DO: Public inheritance means “is-a” relationship. Everything […]