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Chris Cook

I post things so I don’t forget them

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Co-Founder at Flyweight.io

A Simple Way to Sign AWS Requests with Signature V4

A Simple Way to Sign AWS Requests with Signature V4

17
Comments 2
3 min read

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Format and Parse Amazon S3 URL

Format and Parse Amazon S3 URL

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Comments 1
5 min read
Solving the Puzzle: Lambda Function URLs with IAM Authorization and CloudFront Custom Domains

Solving the Puzzle: Lambda Function URLs with IAM Authorization and CloudFront Custom Domains

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TypeScript: The Unexpected Magic of Generics

TypeScript: The Unexpected Magic of Generics

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3 min read
Websites with AWS: Hosting with Private S3 Bucket

Websites with AWS: Hosting with Private S3 Bucket

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Running on Lambda: Serverless Reader View with Chrome and Readability

Running on Lambda: Serverless Reader View with Chrome and Readability

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6 min read
Websites with AWS: Single Page Applications

Websites with AWS: Single Page Applications

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Serverless Plugin: Exporting Environment Variables and Stack Outputs

Serverless Plugin: Exporting Environment Variables and Stack Outputs

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3 min read
Websites with AWS: Hosting, HTTPS and Custom Domain

Websites with AWS: Hosting, HTTPS and Custom Domain

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9 min read
Assertions: How to Assert Conditions and Types

Assertions: How to Assert Conditions and Types

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3 min read
How To Spy on Classes

How To Spy on Classes

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Extracting Class Methods: How To Derive an Interface From a Class

Extracting Class Methods: How To Derive an Interface From a Class

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Template Literal Types: How To Type Strings

Template Literal Types: How To Type Strings

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2 min read
Stringify and Parse Errors in JavaScript

Stringify and Parse Errors in JavaScript

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How To Use expect.objectContaining With Null and Undefined

How To Use expect.objectContaining With Null and Undefined

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2 min read
AdaGPT: My Learnings While Building a GitHub Action

AdaGPT: My Learnings While Building a GitHub Action

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5 min read
AdaGPT: AI support for Issues and Pull Requests right at your fingertips!

AdaGPT: AI support for Issues and Pull Requests right at your fingertips!

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How To Debug a Single Test Case

How To Debug a Single Test Case

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Type Negation: How to Forbid Certain Properties

Type Negation: How to Forbid Certain Properties

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Understanding ID Token vs. Access Token in AWS Amplify

Understanding ID Token vs. Access Token in AWS Amplify

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Type Inference: How to Use Conditional Types and Generics

Type Inference: How to Use Conditional Types and Generics

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Conditional Return Types: How to Return the Right Type

Conditional Return Types: How to Return the Right Type

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Convert HTML To Notion Blocks

Convert HTML To Notion Blocks

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4 min read
How To Mock Only One Function From Module

How To Mock Only One Function From Module

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2 min read
Read All Files of Directory and Subdirectories with Recursive Generators in JavaScript

Read All Files of Directory and Subdirectories with Recursive Generators in JavaScript

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Trigger GitHub Workflow for Comments on Pull Request

Trigger GitHub Workflow for Comments on Pull Request

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Symmetric Difference of Arrays in JavaScript

Symmetric Difference of Arrays in JavaScript

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Function Overloading: How to Handle Multiple Function Signatures

Function Overloading: How to Handle Multiple Function Signatures

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Automatically Transcribe YouTube Videos with OpenAI Whisper

Automatically Transcribe YouTube Videos with OpenAI Whisper

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Match Nodes with One or More Labels

Match Nodes with One or More Labels

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New Version of git-pull-run

New Version of git-pull-run

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How To Iterate Over C String

How To Iterate Over C String

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Array Filter: How to Filter Values With Correct Types

Array Filter: How to Filter Values With Correct Types

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1 min read
How To Test Console Log

How To Test Console Log

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How To Run and Debug JavaScript and TypeScript in VSCode

How To Run and Debug JavaScript and TypeScript in VSCode

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Release NPM Package With Automatic Versioning

Release NPM Package With Automatic Versioning

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Print Number Pattern Using Loops

Print Number Pattern Using Loops

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AWS Service Principals for IAM

AWS Service Principals for IAM

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1 min read
React useState with History

React useState with History

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Do you know about the Maker's Schedule?

Do you know about the Maker's Schedule?

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1 min read
How To Implement Custom Matchers

How To Implement Custom Matchers

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How To Debug Any React App in Seconds

How To Debug Any React App in Seconds

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1 min read
EventBridge Rules to Invoke Lambda and StepFunction

EventBridge Rules to Invoke Lambda and StepFunction

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Should Technical Managers Be Able To Code?

Should Technical Managers Be Able To Code?

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Switch-cased Error Handling in JavaScript

Switch-cased Error Handling in JavaScript

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Use Pull Request Number as Serverless Deployment Stage

Use Pull Request Number as Serverless Deployment Stage

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How To Access Private Class Members in TypeScript

How To Access Private Class Members in TypeScript

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Sign GraphQL Request with AWS IAM and Signature V4

Sign GraphQL Request with AWS IAM and Signature V4

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3 min read
How To Recommend VSCode Extensions

How To Recommend VSCode Extensions

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Extract Highlighted Text from a Book using Python

Extract Highlighted Text from a Book using Python

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Automatically Install NPM Dependencies on Git Pull

Automatically Install NPM Dependencies on Git Pull

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How To Debug a React App in VSCode

How To Debug a React App in VSCode

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Calculating π with the Monte Carlo Simulation

Calculating π with the Monte Carlo Simulation

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