Skip to content

Instantly share code, notes, and snippets.

View leewind's full-sized avatar
💭
I may be slow to respond.

Michael.Lee leewind

💭
I may be slow to respond.
  • YaoJIngRiver Global Hedge Fund
  • Shanghai
View GitHub Profile
@zoltanctoth
zoltanctoth / pyspark-udf.py
Last active July 15, 2023 13:23
Writing an UDF for withColumn in PySpark
from pyspark.sql.types import StringType
from pyspark.sql.functions import udf
maturity_udf = udf(lambda age: "adult" if age >=18 else "child", StringType())
df = spark.createDataFrame([{'name': 'Alice', 'age': 1}])
df.withColumn("maturity", maturity_udf(df.age))
df.show()
@sergiotapia
sergiotapia / md5-example.go
Last active August 19, 2025 09:37
Golang - How to hash a string using MD5.
import (
"crypto/md5"
"encoding/hex"
)
func GetMD5Hash(text string) string {
hasher := md5.New()
hasher.Write([]byte(text))
return hex.EncodeToString(hasher.Sum(nil))
}