(this post if part of the material I cover in my devops course) About EFS Amazon Elastic File System (Amazon EFS) provides serverless, fully elastic file storage so that you can share file data without provisioning or managing storage capacity and performance. serverless: meaning you don't have to create a server of …

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(this post if part of the material I cover in my devops course) AWS IAM is a corenerstone in aws security model. In this post we'll discuss the generic role of IAM and its relationship to some other aws services. basics of IAM AWS Identity and Access Management (IAM) is a web service that helps you securely control …

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(this post if part of the material I cover in my devops course) Here's an example of the git cherry-pick command. main branch create a new git repository called cherry 1$> mkdir cherry 2$> cd cherry/ 3$> git init 4hint: Using 'master' as the name for the initial branch. This default branch name 5.... …

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If you're new to AWS (or cloud concepts in general), or if you are studying for an AWS certifications, there is always a chapter explaining the concept of services. This is really what cloud is all about. AWS Services AWS stands for Amazon WEB Services, and really these services are accessible through the web. Since …

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If you were following the Iterators post, you could think that creating iterable object or generators (that could provide an iterator) in python is not so easy. You should be able to create a class, then implement those special methods, make sure everything works.. But there are easier ways. Creating a Generator with …

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In this basic post we'll explain the basics of iterators. A Python Iterator If a python object contains some collection of objects, we need a way to get these object, one at a time. Note that: A specific order is optional, but we must make sure that: ..we get each object ONCE, and.. ..eventually we get ALL objects. …

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We have covered default values for parameters during our discussion of function parameters. We now want to explain some more details about that. Python IS dynamic If you are coming from static programming languages (C, C++, Java, C#, Rust, Golang etc..) then you should remind yourself that in python EVERYTHING happens …

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In this example, we create a decorator that will multiply a value returned by a 2 parameters func by a value. What we want to achieve Suppose you have a decorator and a function like the following: 1@mult(5) 2def add_nums(a,b): 3 return a+b The idea is that instead of having add_nums(3,4) return 7, it will return 35. …

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About bytes The python bytes type represents abinary sequence of bytes. I use the term "binary" because it is sometimes displayed as a sequence of characters, but it it not text, not it it a string! bytes is immutable, whereas bytearray is a mutable version of it. representation A bytes object looks like a …

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The tasks project Flask is a micro web framework. You can use it to create web sites, but also to create web services, which are programs that communicate over the http protocol. We'll use it here to create a simple web service and api. In our api, we'll send and receive JSON strings to represent tasks Installation …

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