Learn about HTML Inline Frame element (<iframe>) through some examples. What is Iframe HTML iframes are used to embed another webpage into a webpage. The embedded webpage can be from a different domain. However, for security reason, you will have limited control to the embedded webpage that is from a different origin. Embed A Local Webpage You…

Originally published at https://jun711.github.io on August 3, 2019. Learn how to turn on reader view on Google Chrome, Mozilla Firefox and Safari browsers. Chrome Reader View Since Chrome 75, there is an experimental reader view function where you can enable via Chrome settings. 1. To enable reader view, paste chrome://flags/#enable-reader-mode in your Chrome…

Learn how to update AWS Cloud9 IDE(Integrated development environment) AWS SAM(Serverless Application Model) CLI(command-line interface) version. As of 2019–07–16, when you create a new AWS CodeStar project with Cloud9 as IDE, its environment is installed with AWS SAM CLI version 0.2.11 but the latest SAM CLI version is 0.18.0 Issues: The…

Learn how to configure AWS SAM to enable Binary Response such as audio/mpeg, application/zip, image/jpeg etc from AWS Api Gateway with Lambda proxy integration. Steps In this walkthrough, I will use application/zip for example. 1. CloudFormation yaml To enable Api Gateway Binary Response, you can set x-amazon-apigateway-binary-media-types in your API's definition body. MyApi…

Learn how to invoke AWS Lambda functions on your machine using AWS SAM CLI. Steps You will need to install AWS CLI, AWS SAM CLI and Docker to invoke a Lambda function locally. If you already have AWS CLI installed, you can skip to step 2. This is to assume you…

Learn how to create multiple API Gateway deployment stages even though AWS SAM replaces previous stages in subsequent deployments. Note that this is a workaround to AWS SAM template replaces previously deployed stage when you change API StageName property on yaml. …

Originally published at https://jun711.github.io Learn how to create development and production pipelines for your web service projects using AWS CodePipeline and AWS CodeStar. Having a development and a production pipeline can streamline development and production workflow. AWS CodeStar CodeStar is a service that unifies and streamlines the following AWS services to provide…

An example of using Python multi-threading in AWS Lambda. Why Multi Threading Using multithreading in AWS Lambda can speed up your Lambda execution and reduce cost as Lambda charges in 100 ms unit. Python ThreadPoolExecutor Note that ThreadPoolExecutor is available with Python 3.6 and 3.7+ runtime. …

Learn how to provide API Gateway permission to invoke Lambda function(s). Issue API Gateway endpoint can’t invoke Lambda with 5XX permission error. When testing on API Gateway console, you see this error message: Execution log for request d237e276–656e-11e9-aaff-51e803313fb3 … truncated Date : Sending request to https://lambda.function.url Date : Execution failed due to…