chrismay

import aiohttp
import asyncio
import time
from pyspark.sql import SparkSession
from pyspark.sql.functions import col, collect_list,udf

spark = SparkSession.builder.getOrCreate()
data = range(1, 10000)
df = spark.createDataFrame([(i,) for i in data], ["value"])
grouped_df = (

chrismay

interface ReadonlyArray<T> {
  map<U>(
    callbackfn: (value: T, index: number, array: T[]) => U,
    thisArg?: any
  ): { [K in keyof this]: U };
}

type Coord = readonly [number, number, number];

type BiFunction<T> = (a: T, b: T) => T;