yuval.guide
Core DynamoDB Objects Tables DynamoDB stores data in tables. A table is a collection of data. Items Each table contains zero or more items. An item is a group of attributes that is uniquely identifiable among all of the other items. Attributes Each item is composed of one or more attributes. An attribute is a …
Read MoreAbout DynamoDB DynamoDB is a fully managed NoSQL database service It is a "serverless" service, so no need to provision servers. It provides fast and predictable performance with seamless scalability. DynamoDB automatically spreads the data and traffic for your tables over a sufficient number of servers to handle your …
Read MoreThis post is about AWS AMIs , the machine images we use to run ec2 instances. We'll be talking about aws storage here, so you my want to review this from this post . About AMIs An AMI is a supported and maintained image provided by AWS (although it may be created by you), that provides some of the information required …
Read MoreLet's get a high-level view of ec2 storage. Storage Options AWS EC2 comes with several storage options: AWS EBS is a block-level storage that persists independently from the life of its associated instance. EC2 Instance Store provides temporary block-level storage for instances. It resides physically on the hardware …
Read MoreAbout 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 any kind elastic: it grows and shrink as the need scales up and …
Read MoreAWS 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 access to AWS resources. With IAM, you can centrally manage …
Read MoreHere'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.... 6... 7Initialized empty Git repository in /home/osboxes/cherry/.git/ add a file …
Read MoreIf 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 …
Read MoreIf 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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