✅ Goroutine concurrent thread managed by Go runtime can run function concurrently and parallel if a function is turned into a go routine, it runs in the background, concurren...

✅ Pointer and Reference *: dereference operator(get/set value at address) &: get pointer(get address) operator *T: pointer to a value of type T, like str *string &before v...

✅ Interface Interface: 1️⃣ Go’s equivalent of Java’s Object class most general type any value can be stored in a variable of type interface{} 2️⃣ set of methods to be implemente...

✅ main package main import "fmt" func main() { } ✅ Variable var name string = "Jack" var num uint = 123 var simpleName = "Cassy" //implicit type var simpleNum = 124 number := 6 number = 5 ...

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✅ Kubernetes open source system to manage, deploy several containers like an extension of docker compose 👍🏻 automate container management(deployment, extension, update) 👍🏻 load balancing ...

✅ Vector and List and date Vector: type of data logical(boolean) integer double character x <- c(1, 3, 5) names(x) <- c("a", "b", "c") x x[2] #3 x["...

✅ Install Docker reference AWS https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/install-docker.html # update sudo yum update -y # install sudo yum install -y ...

✅ What is a DB session? ✔️ DB session: logical connection between user(application) and DB DB session starts when user makes the connection and ends when user disconnects allow DB...

✅ What is an Anomaly in a database? ✔️ Anomaly: unexpected problems that happen when inserting, updating, deleting data in DB ❓ When does it happen? when table is not properly struc...