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Notes from GraphQL Query Language course on

I've decided to revisit one of the best courses - GraphQL Query Language by Eve Porcello and you can find my notes below: In a GraphQL query, the shape of the query matches the shape of the response: Query: Response: When querying for a list of objects the GraphQL query syntax stays…

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Why I don't like story-point-driven estimates

Software engineering estimates are ridiculously hard. Let's face it, when a developer tells you on Monday that: Oh yeah, I'm finishing that feature, it'll be merged to main branch today! you can translate that to: There's a non-zero chance that it'll be pushed to code review this week. Bear in…

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Notes from Build Custom CLI Tooling with oclif and TypeScript course

Build Custom CLI Tooling with oclif and TypeScript You can check out the course here: Build Custom CLI Tooling with oclif and TypeScript Oclif can be used to easily create CLI tools Two types of commands: single command multi command In order to test CLIs locally you can quickly create a yarn…

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CDK Made Simple: Managing S3 lifecycle policies with CDK

S3 lifecycle policies with CDK Imagine a following scenario: You've been hired at a social media website (e.g. Twitter for Bunnies) and your task is to optimize the way they store their images. Whenever a user uploads a new image, it typically gets accessed quite frequently for a month or so before…

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AWS Made Simple: Elastic Beanstalk deployment policies

I'm currently studying for AWS Certified Developer: Associate exam and the post you're about to (hopefully!) enjoy is a part of my learning process - learning in public helps me a lot! AWS Elastic Beanstalk deployment policies Elastic Beanstalk (that's an odd name, btw) provides several options for…

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AWS CDK Made Simple: Run a Lambda function locally

Every single development workflow looks like this and building stuff with AWS Lambda is no exception: Luckily, there's a way of testing AWS-CDK powered lambda functions on our local machine, without fiddling with the AWS Console. It's definitely easier and faster than re-deploying a function to THE…

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Random notes taken while preparing for AWS Certified Developer Associate exam

I'm currently studying for the AWS Certified Developer Associate exam and I'll be taking my notes here, maybe you'll find it useful BTW - I also produce my own free content for which will help you pass the exam: Learn AWS Lambda from scratch Build serverless applications with AWS…

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