Vishal Ratna – Medium

Vishal Ratna
in
Better Programming

Implementing a Rate Limiter That Solves the Under-Utilisation of Resources in Java

Let’s solve the issues of utilisation that occurred in our previous implementations

8 min readJan 24, 2023

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Implementing a Rate Limiter That Solves the Under-Utilisation of Resources in Java

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Vishal Ratna
in
Better Programming

Implementing a Rate Limiter for Evenly Distributing Requests in Java

Ever wondered how you’ll deal with requests sent in bursts?

5 min readJan 17, 2023

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Implementing a Rate Limiter for Evenly Distributing Requests in Java

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Vishal Ratna
in
Better Programming

Building a Simple Rate Limiter in Java

With uses from an Android perspective

8 min readJan 12, 2023

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Building a Simple Rate Limiter in Java

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1

Vishal Ratna
in
Better Programming

Understanding Contravariance — The Java Wildcard

We will start with what contravariance is, and will deal with how to implement it, where to use it and the difference in Java and Kotlin…

7 min readSep 20, 2022

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Understanding Contravariance — The Java Wildcard

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Vishal Ratna
in
Better Programming

A Deep Dive Into Java Wildcards — Covariance

An exploration of one of the more difficult topics in Java

8 min readSep 15, 2022

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A Deep Dive Into Java Wildcards — Covariance

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Vishal Ratna
in
Microsoft Mobile Engineering

Clean Android WebView caching

Want to learn how to reliably cache android webviews without causing context leaks? You are at the right place.

5 min readAug 17, 2022

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Clean Android WebView caching

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Vishal Ratna
in
Better Programming

Android MultiTriggerBomb — Prevent Code Execution Till All Triggers Are Down (or Timer Is Expired)

The last time you were in a situation where you needed to prevent (not wait for) the execution of a code until ’n’ events(sync/async) are…

4 min readJun 20, 2022

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Android MultiTriggerBomb — Prevent Code Execution Till All Triggers Are Down (or Timer Is Expired)

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Vishal Ratna
in
Microsoft Mobile Engineering

Improve android app/screen launch times using LazyLifecycle callbacks.

Want to improve screen launch times of your android app lazily? Lazy lifecycle callbacks can help you out there.

8 min readJun 15, 2022

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Improve android app/screen launch times using LazyLifecycle callbacks.

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Vishal Ratna
in
Better Programming

A Deep Dive Into the Java Volatile Keyword

Do you want to understand volatile thoroughly? Do you want to know when to use volatile? Then read this article to uncover the hidden…

8 min readDec 28, 2021

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A Deep Dive Into the Java Volatile Keyword

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Vishal Ratna
in
Better Programming

Understanding Synchronization in Java

First steps toward a multithreaded paradigm with the synchronized keyword

6 min readDec 20, 2021

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People lying on grass making a star shape with their bodies

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Vishal Ratna

Vishal Ratna

Senior Android Engineer @ Microsoft. Fascinated by the scale and performance-based software design. A seeker, a learner. Loves cracking algorithmic problems.

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