--- title: "Soumya Ranjan Das (@SMy637) | Hashnode" description: "Software Developer. Read the latest articles by Soumya Ranjan Das on Hashnode." url: "https://hashnode.com/@SMy637" --- @SMy637 # Soumya Ranjan Das @SMy637 路 INDIA 路 Joined November 2022 Software Developer ### [Understanding Amazon Lex: Step-by-Step Guide to Setup with CloudFormation Template](https://soumyaranjan.dev/understanding-amazon-lex-step-by-step-guide-to-setup-with-cloudformation-template?utm_source=hashnode&utm_medium=feed) Learn how to set up Amazon Lex using CloudFormation to build conversational interfaces efficiently and manage infrastructure seamlessly 3 min read 路 [soumyaranjan.dev](https://soumyaranjan.dev/understanding-amazon-lex-step-by-step-guide-to-setup-with-cloudformation-template?utm_source=hashnode&utm_medium=feed) [Dec 10, 2024](https://hashnode.com/posts/understanding-amazon-lex-step-by-step-guide-to-setup-with-cloudformation-template/6757daa95c3300735ed6c7d5) ### [Access Tokens and Refresh Tokens 馃攼](https://soumyaranjan.dev/access-tokens-and-refresh-tokens?utm_source=hashnode&utm_medium=feed) What is Access and Refresh token ? 2 min read 路 [soumyaranjan.dev](https://soumyaranjan.dev/access-tokens-and-refresh-tokens?utm_source=hashnode&utm_medium=feed) [Jan 28, 2024](https://hashnode.com/posts/access-tokens-and-refresh-tokens/65b698410bb933f3518610a7) ### [馃寑 HTML tag 馃寑](https://soumyaranjan.dev/html-img-tag?utm_source=hashnode&utm_medium=feed) In HTML tag is used to insert an image in the webpage. It contains only two attributes i.e 'src' & 'alt' 馃檶馃徎. Then you might wonder that what is src & alt is about? 馃. In HTML 'src' attribute specifies the location or the URL of the image tha... 1 min read 路 [soumyaranjan.dev](https://soumyaranjan.dev/html-img-tag?utm_source=hashnode&utm_medium=feed) [Jan 6, 2024](https://hashnode.com/posts/html-img-tag/65994fbd8e8f0f41cd47d36c) ### [Dive to open-source with Git and Github馃殌](https://soumyaranjan.dev/dive-to-open-source-with-git-and-github?utm_source=hashnode&utm_medium=feed) Getting started with opensource 3 min read 路 [soumyaranjan.dev](https://soumyaranjan.dev/dive-to-open-source-with-git-and-github?utm_source=hashnode&utm_medium=feed) [Oct 1, 2023](https://hashnode.com/posts/dive-to-open-source-with-git-and-github/651931eae2f3cbb89c7e4a64) ### [Two pointers technique simplified](https://soumyaranjan.dev/two-pointers-technique-simplified?utm_source=hashnode&utm_medium=feed) While solving DSA problems time complexity plays an important role. The interviewer always wants for better optimal approach. Two pointers technique is mostly used for solving DSA problems with better optimized time complexity. As the name suggests ... 2 min read 路 [soumyaranjan.dev](https://soumyaranjan.dev/two-pointers-technique-simplified?utm_source=hashnode&utm_medium=feed) [Sep 3, 2023](https://hashnode.com/posts/two-pointers-technique-simplified/64f422d47868ff99f230ad73)