# Create Users Table
CREATE TABLE Users (
ID int NOT NULL PRIMARY KEY AUTO_INCREMENT,
UserName nvarchar(255) NOT NULL,
Parent int NULL
);
ALTER TABLE Users ADD FOREIGN KEY (Parent) REFERENCES Users (ID);
# Query for Select User and ParentName
SELECT
child.ID,
child.UserName,
COALESCE(parent.UserName, NULL) as 'ParentName'
FROM Users child
LEFT JOIN Users parent ON (child.Parent = parent.ID);Movies Microservices Task
Repository: https://github.com/hrz8/go-seeding-omdb
Refactor the function
func FindFirstStringInBracket(str string) string {
indexFirstBracketFound := strings.Index(str, "(")
if len(str) == 0 || indexFirstBracketFound < 0 {
return ""
}
strRunes := []rune(str)
wordsAfterFirstBracket := string(strRunes[indexFirstBracketFound:len(str)])
indexClosingBracketFound := strings.Index(wordsAfterFirstBracket, ")")
if indexClosingBracketFound < 0 {
return ""
}
afterBracketRunes := []rune(wordsAfterFirstBracket)
return strings.Split(string(afterBracketRunes[1:indexClosingBracketFound]), " ")[0]
}[lets-go-bibit]$ cd 03_Refactor/
[04_Logic]$ go test *.goWrite a function to grouping list of string given based on anagram.
[lets-go-bibit]$ cd 04_Logic/
[04_Logic]$ go run main.go