Design Problem: Parking Lot

Designing a Parking Lot Application has been one of the popular questions in many of the companies like Thou...

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Choosing data type for monetary Calculation (In Java)— Float ? Double ? Or Bigdecimal

W hen I first studied Basic Arithmetic rational numbers, irrational numbers etc it aroused curiosity in me f...

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How to build a Tiny URL service that scales to billions?

One of the design constraints of Twitter is that every message is ...

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Deep/Shallow Cloning in Java

Cloning an object is a popular way to create copies of the Java ...

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All Possible ways - How to Debug a Java Application End - to -End?

Troubleshooting or “Debugging” a Java based application is one of the traits of a h...

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Designing a Centralized Logging App

Why Do I need a centralized Logging application ? In which case it is must to have a centrali...

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Leaky/Token bucket algorithm for flow control

It’s a common joke that most programmers are theists and are strong believers of deities as they can never a...

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Serialization Techniques for Highly Scalable systems

When building a architecture(microservice or any other type) most common approach t...

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Cache Refreshing Techniques

L ess frequently changing & often accessed data is usually kept in cache to avoid expensive database q...

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What is Cache Stampede ?

Cache stampede  is often not considered a big problem for small scale systems but i...

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