Yiqun RongECS Fargate for on-demand long running task and its integration with step functionsThroughout the years working with AWS, the lambda function is one of my favourite computing service in AWS. But lambda function has a…Jun 9Jun 9
Yiqun RongNodeJs Stream — data combination and splitNode.js Stream is an excellent tool to do data processing and transformation and avoid huge memory usage in the same time. I have…Mar 23Mar 23
Yiqun RongHow to build your own Chrome extensionI guess some of you are using popular Short-Form Video platforms like TikTok or Reels. I use the Douyin, which is the mainland Chinese…Feb 12Feb 12
Yiqun RongHow to create integration test using Jest for AWS step functions?Jest is very popular testing framework in Javascript and NodeJs world. It is often used in unit testing, such as testing utility functions…Jan 12Jan 12
Yiqun RongJest test lifecycle and test environmentIf you are a Javascript or NodeJs developer, you must hear of Jest as it can be used in unit test and integration tests for both frontend…Nov 12, 2023Nov 12, 2023
Yiqun RongReduce memory usage using NodeJs Stream API and Generator in IO intensive applicationThere are a lot of cases that we need to handle a large amount of data coming from different data sources. Those data are usually paginated…Sep 13, 2023Sep 13, 2023
Yiqun RongJSON line format is better than JSON when storing list of objects in fileImage that you are working on the reporting of user’s data which is from various data sources, such as ElasticSearch, DynamoDb. And you…Sep 6, 2023Sep 6, 2023