--- title: "Orc Developer (@orcdev) | Hashnode" description: "Developing and Architecting Solutions. Read the latest articles by Orc Developer on Hashnode." url: "https://hashnode.com/@orcdev" --- @orcdev # Orc Developer @orcdev · Joined September 2021 Developing and Architecting Solutions ### [Cloudformation basics](https://orcdeveloper.hashnode.dev/cloudformation-basics?utm_source=hashnode&utm_medium=feed) Theory and core concepts 2 min read · [orcdeveloper.hashnode.dev](https://orcdeveloper.hashnode.dev/cloudformation-basics?utm_source=hashnode&utm_medium=feed) [Feb 25, 2022](https://hashnode.com/posts/cloudformation-basics/6218aeec45bf7fc41cc99ec4) ### [\[Bugfix\] (SOLVED) Error jest toHaveBeenCalledWith() with Array parameter](https://orcdeveloper.hashnode.dev/bugfix-solved-error-jest-tohavebeencalledwith-with-array-parameter?utm_source=hashnode&utm_medium=feed) Problem description: Context: AWS typescript project that combines cloudformation, SAM and swagger for the API definitions: aws-sdk: 2.742.0 jest: 26.4.2 After several change sin the code, the unit tests were adapted in order to satisfy the new re... 2 min read · [orcdeveloper.hashnode.dev](https://orcdeveloper.hashnode.dev/bugfix-solved-error-jest-tohavebeencalledwith-with-array-parameter?utm_source=hashnode&utm_medium=feed) [Sep 19, 2021](https://hashnode.com/posts/bugfix-solved-error-jest-tohavebeencalledwith-with-array-parameter/614771d517da986cea6464ce) ### [23 AWS SQS real exam questions](https://orcdeveloper.hashnode.dev/23-aws-sqs-real-exam-questions?utm_source=hashnode&utm_medium=feed) AWS Certified Developer 13 min read · [orcdeveloper.hashnode.dev](https://orcdeveloper.hashnode.dev/23-aws-sqs-real-exam-questions?utm_source=hashnode&utm_medium=feed) [Sep 19, 2021](https://hashnode.com/posts/23-aws-sqs-real-exam-questions/6147679a699fe76cd3482f75) ### [How to enable versioning Amazon S3](https://orcdeveloper.hashnode.dev/how-to-enable-versioning-amazon-s3?utm_source=hashnode&utm_medium=feed) Introduction What is Versioning? Versioning is a means for keeping multiple variants of the same object in the bucket. Versioning is used to preserve, retrieve, and restore every version of every object stored in an S3 bucket. Versioning is done a... 2 min read · [orcdeveloper.hashnode.dev](https://orcdeveloper.hashnode.dev/how-to-enable-versioning-amazon-s3?utm_source=hashnode&utm_medium=feed) [Sep 15, 2021](https://hashnode.com/posts/how-to-enable-versioning-amazon-s3/614232b1b95e345575e9a227)