jac18281828

#!/usr/bin/env python3

"""
parquet_schema.py — Quick column (schema) lister for Parquet files or partitioned folders.

Usage:
  python parquet_schema.py /path/to/file.parquet
  python parquet_schema.py /path/to/folder            # infers dataset schema across files
  python parquet_schema.py /path --raw                # print raw Arrow schema
  python parquet_schema.py /path --json               # JSON output

jac18281828

#!/usr/bin/env python3
import argparse
import re
from datetime import datetime

# Regex to strip ANSI escape sequences (colors, cursor moves, etc.)
ANSI_ESCAPE_RE = re.compile(r'\x1B\[[0-?]*[ -/]*[@-~]')

# Timestamp format for lines like:
# 2025-11-18T21:52:39.117949Z

jac18281828

#!/bin/bash
# set_mtime_to_creation.sh
# Sets each file's modification time to its creation time (macOS / BSD)

shopt -s nullglob

for file in *; do
    # Skip directories
    if [ -d "$file" ]; then
        continue

jac18281828

 # Define Aurora Serverless v2 PostgreSQL cluster
 self.aurora_cluster = rds.DatabaseCluster(
     self,
     "AuroraServerlessCluster",
     engine=rds.DatabaseClusterEngine.aurora_postgres(version=rds.AuroraPostgresEngineVersion.VER_16_6),
     writer=rds.ClusterInstance.provisioned(
         "writer", instance_type=ec2.InstanceType.of(ec2.InstanceClass.R6G, ec2.InstanceSize.LARGE)
     ),
     serverless_v2_min_capacity=0,  # allow auto pause
     serverless_v2_max_capacity=8,

jac18281828

from typing import List, Tuple


def bitstrToInt(bs: str) -> int:
    """Convert bitstring bs to an integer"""
    return int(bs, 2)


def countBits(d: int) -> int:
    """Count the bits in d and return that value"""

jac18281828

class TimeInWordsError(Exception):
    pass


def numberToString(d: int) -> str:
    """Number to string"""
    number_look = {
        1: "one",
        2: "two",

jac18281828

const MOVES = [[1, 1], [1, 0], [1, -1], [0, 1], [0, -1], [-1, 1], [-1, 0], [-1, -1]]

function queensAttack(n: number, k: number, r_q: number, c_q: number, obstacles: number[][]): number {
    // Write your code here
    let spaces = 0

    const obstacleSet = new Set(obstacles.map(o => `${o[0]},${o[1]}`))

    const isvalidpos = (r: number, c: number) => {
        return r > 0 && r <= n && c > 0 && c <= n

jac18281828

function migratoryBirds(arr: number[]): number {
    // Write your code here
    let birdCount: { [key: number]: number} = {}
    let maxId = 0
    let maxIdCount = 0

    arr.forEach(bid => {
        if (birdCount[bid] !== undefined) {
            birdCount[bid]++

jac18281828

from typing import Tuple


class InvalidGame(Exception):
    def __init__(self, message):
        super().__init__(message)


class Board:
    """N x N chessboard"""

jac18281828

import sys


class SinglyLinkedListNode:
    def __init__(self, node_data):
        self.data = node_data
        self.next = None


class SinglyLinkedList: