Saturday, August 14, 2021

Elastic search

 Inverted index.  

Leaf query 

Compound query 

Inverted Database 

SQL vs DSL 

Table vs Index 

Document vs row 

Leaf query clause match_all 

Dev tools 

Term query 















Saturday, January 16, 2021

cannot find package "github.com/go-sql-driver/mysql"

Golang Error : cannot find package "github.com/go-sql-driver/mysql" in any of: /home/opc/work/go/src/github.com/go-sql-driver/mysql (from $GOROOT) /home/opc/golang/src/github.com/go-sql-driver/mysql (from $GOPATH) Solution : go get -u github.com/go-sql-driver/mysql

Friday, June 26, 2020

AWS Security Mcq

test react

Hello World!

Bye

Saturday, June 6, 2020

AWS Developer Certification Questions




Score 0 😑
AWS Security
Which service is enables you to request temporary, limited-privilege credentials for AWS Identity and Access Management (IAM) users or for users that you authenticate (federated users)
Secrets Manager
KMS Key Management Service
STS Security Token Service
AWS Security Hub

ec2-user@ec2 Permission denied