Blog Posts
logic of conditional statements
04/01/2022 17:38 | Category: discrete math
Tags: mathconditional_statements
Conditional statements are a foundation of building logic. The "if…
pandoc markdown to pdf using html5 engine
Converting markdown to a PDF is a nightmare, espeically…
logical equivalence with laws
03/31/2022 20:56 | Category: discrete math
Tags: mathlogical_equivalence
We can explain logical equivalence using predetermined known truths…
truth tables for logical equivalence
03/31/2022 20:20 | Category: discrete math
Tags: mathtruth_tableslogical_equivalence
Logical equivalence Examples: The grass is green and the sky is…
logic of compound statements
03/31/2022 19:46 | Category: discrete math
Tags: mathcompound_statements
Logic is precise rather than ambiguous like natural languages. These…
aws s3 storage classes
03/29/2022 13:25 | Category: aws
Tags: developer_associatecertifications3storage
AWS S3 offers a number of different storage classes for various use cases…
aws s3 general info
03/29/2022 13:14 | Category: aws
Tags: developer_associatecertifications3storage
AWS S3 (Simple Storage Service) is scalable object storage, durable, and highly…
aws systems manager parameter store
03/29/2022 12:01 | Category: aws
Tags: developer_associatecertificationparameter_storeaws_systems_managersecrets
This is a key value store that AWS offers to avoid hardcoding…
aws elasticache in memory storage for rds
03/29/2022 11:44 | Category: aws
Tags: developer_associatecertificationdatabaseselasticachecaching
Memory is faster than disk. Elasticache is a way to speed…
aws rds snapshots and backups
03/28/2022 14:34 | Category: aws
Tags: developer_associatecertificationrdsdatabases
There are two ways to back up an AWS RDS instance: database snapshots…
aws rds multi az read replicas
03/28/2022 14:17 | Category: aws
Tags: rdsdatabasesdeveloper_associatecertification
RDS instances in AWS have a multitude of options for resiliancy and…
aws relational database service
03/28/2022 13:34 | Category: aws
Tags: developer_associatecertificationrdsdatabases
The AWS RDS service is a core concept in nearly all applications…
aws ec2 instance with s3 role
03/28/2022 13:25 | Category: aws
Tags: developer_associatecertifications3ec2iam
Certain services within AWS can be assigned IAM roles that allow them…
github actions conditional environment variables
Update 1/4/2023: The original psot contained an…
changing ownership and permissions of files or directories recursively
03/24/2022 23:57 | Category: linux
Tags: bashubuntufilesystempermission
Changing file permissions is…
aws route 53 domain name service
03/23/2022 15:43 | Category: aws
Tags: developer_associatecertificationelbec2route_53DNSawsnetworks
The AWS Route 53 service allows users to create a domain name…
osi 7 layer model
03/23/2022 15:31 | Category: applications
Tags: osi7_layer_model
Just a few quick notes on the OSI 7 layer model to keep myself from googling it…
aws elastic load balancers
03/23/2022 15:27 | Category: aws
Tags: developer_associatecertificationelbawsnetworks
Load balancers distribute network traffic across a group of servers. This…
aws elastic block store
03/18/2022 15:49 | Category: aws
Tags: aws_certificationebs
EBS volumes are storage volumes that can be attached to EC2 instances. These…