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1. measuring different execution time i... measuring different execution time in node js

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   const {performance} = require('perf_hooks');

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   // using hrtime API

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   const hrBefore = process.hrtime();

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2. Sparse Index in mongodb Sparse Index in mongodb

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   db.collection_name.insert([

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     {_id: 1, name: "John Doe", age: 25},

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     {_id: 2, name: "Foo Bar", age: 35},

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     {_id: 3, name: "Hello World"}

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   ]);

3. netspeed-monitor netspeed-monitor Public

   An app to monitor the netspeed

   JavaScript 3

4. javascript-questions javascript-questions Public

5. Promise.race vs Promise.any Promise.race vs Promise.any

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   /*

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    * Promise.race will first settled either fulfilled or rejected from the iterable object

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    *

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    * Promise.any find the first fulfilled without concern of reject promise from the iterable object. 

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    * If all are rejected promise then it will result an AggregateError.