In this blog post, I’ll explain the export data from a DynamoDB table to a CSV file. DynamoDB is Amazon AWS’s managed NoSQL database service. For really big datasets, running a continuous (and parallel) scan might be time consuming and fragile process (imagine it dying in the middle). Fortunately, the…

What is Pagination? Pagination is splitting a database output into manageable chunks or pages. To do this: Decide on the maximum number of database rows that can be included in each page. You may hard code this value, or you define it in a variable so that the value may be changed at…

Addons installation — Let’s see how to install any Addons in TestProject. Login to your TestProject account. Now the dashboard is ready, you can install the Addons. Click on the Addons section at the top of the screen user lands on the Addons page. You will see the Addons that are available for…

In this blog post, I’ll take you through how to perform variety of operations starting from simple queries ending with complex transactions using AWS DynamoDB DocumentClient and Node.js. There are two basic ways to interact with DynamoDB tables from Node.js applications: Class AWS.DynamoDB from AWS SDK for JavaScript. AWS.DynamoDB.DocumentClient which…

This blog is a part of Kotlin Coroutines series. If you want to check Part-1: Kotlin Coroutines [Part-1] kotlinx.coroutines is a rich library for coroutines developed by JetBrains. It contains a number of high-level…medium.com Continuing… Cancellation and timeouts Cancellation When launching multiple coroutines, it can be a pain to keep track of them or cancel each individually. …

Many people are afraid of publishing their site, they don’t know where to publish it, and how to. Here are a few free hosting services you should consider 🎉 Firebase Firebase Hosting provides fast and secure hosting for your web app, static and dynamic content, and micro services.Firebase is a PaaS…

Wonder how identical horizontal/vertical list views populate in Android like how WhatsApp shows the chats/contacts list? Well, it can all be done using RecyclerView. RecyclerView is the ViewGroup that contains the views corresponding to your data. RecyclerView itself is a view added to the parent layout that holds another(card/item) layout…

Brief about Hermes Hermes is a new javascript engine optimised for react-native — introduced in 2020 by Facebook. Historically, React Native was using JavaScriptCore (JS engine) as default for running Javascript code. In near future, we will see Hermes as the default JS engine for react-native. If you have already heard about Hermes…

This blog is a part of Kotlin Coroutines series. If you want to check Part-2: Kotlin Coroutines [Part-2] Talks about event cancellation, etcmedium.com Coroutine context and dispatchers In this, we’ll learn about the CoroutineContext and then continue with dispatchers as one of the important elements of the CoroutineContext. Each coroutine has its own CoroutineScope and CoroutineContext. CoroutineContext can…