Shailendra Sonar (@ShailendraSonar)

Bloom Filter (System Design)

Suppose you are building the signup page for GMAIL like service and you wanted to make sure that the username is unique, for that you must be checking if the username does not exist already in the database (Username is not taken already) then only yo...

Jul 3, 2024 · 4 min readshailendrasonar.hashnode.dev

CSV data to DynamoDb (Verification)

Csv file upload in S3 bucket and processed though lambda and sqs and data will go to dynamodb and got mail of new user and existing user in dynamodb. → S3 Bucket - Upload CSV file. → Dynamo Db - All data will come on out DynamoDB database. → SQS - Fl...

Jun 28, 2024 · 4 min readshailendrasonar.hashnode.dev

How to create NPM package

NPM is the largest software registry on the internet. There are over a million packages in the NPM Library. How to Choose a Name For Your NPM Package The first thing you need to do before creating your package is to choose a name. This is important b...

Jun 11, 2024 · 4 min readshailendrasonar.hashnode.dev

call() apply() & bind()

All three of the call, bind, and apply methods are used to set the this argument to a function. The call and apply methods set this to a function and immediately call it. The bind method will only set this to a function and it will need to be invok...

May 13, 2024 · 2 min readshailendrasonar.hashnode.dev

Power of Promise

1. Promise.all: When You Need Them All Imagine you have a bunch of Promises, and you need all of them to resolve before proceeding. Promise.all comes to the rescue! It ensures that all Promises resolve successfully, or none at all. Perfect for parall...

Apr 29, 2024 · 2 min readshailendrasonar.hashnode.dev

Shailendra Sonar

About

Available for

Shailendra Sonar's blogs

Bloom Filter (System Design)

CSV data to DynamoDb (Verification)

How to create NPM package

call() apply() & bind()

Power of Promise

Shailendra Sonar

About

Available for

Shailendra Sonar's blogs

Bloom Filter (System Design)

CSV data to DynamoDb (Verification)

How to create NPM package

call() apply() & bind()

Power of Promise

Shailendra Sonar

About

Available for

Shailendra Sonar's blogs

Bloom Filter (System Design)

CSV data to DynamoDb (Verification)

How to create NPM package

call() apply() & bind()

Power of Promise

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Shailendra Sonar

About

Available for

Shailendra Sonar's blogs

Bloom Filter (System Design)

CSV data to DynamoDb (Verification)

How to create NPM package

call() apply() & bind()

Power of Promise