Recently I faced a problem with AWS Cogntio JS SDK V3 for S3 buckets. While calling PutObjectCommand from SDK, an error occurs with the message TypeError: readableStream.getReader is not a function. On googling the error, I found this GitHub thread Angular 19 PutObjectRequest readableStream.getReader is not a function, where repo maintainers confirmed that the issue … Read more
Half star pyramid is the most common pattern which we come across while writing code to print patterns in any language. Take a look at this pattern:- *************** One approach that might come to mind is “ the number of stars in each row is equal to the number of row (I mean index of … Read more
In this post, we will see the difference between pure functions and high-order functions in javascript. What are Pure Functions in Javascript? Functions which does not produce side effect are called pure function. This means that it does not depend on any external variable (like global). Also, it does not modify any external variable. Such … Read more
useState is one of the first hooks I came across while learning React. It is easy to understand/use but equally fascinating/confusing at the same time ( just on click of a button, things update on-screen 😮). Let’s dive in!!! Why useState Hook? React does not detect change in normal variables that’s why useState hook is required. … Read more