yeiichi

import re


class WhitespaceRemover:
    """Remove whitespace from text using different strategies.

    All methods remove *Unicode whitespace* (not just ASCII spaces).
    Choose a method based on readability, performance, and workload size.
    """

yeiichi

# Set up the prompt
# 1. This MUST be here for the $(...) or ${...} to work
setopt PROMPT_SUBST

# 2. Tell the venv script not to mess with the prompt
export VIRTUAL_ENV_DISABLE_PROMPT=1

# 3. The prompt string (no spaces inside the parentheses)
PROMPT='${VIRTUAL_ENV:+(${VIRTUAL_ENV:t}) }%m:%1~ %# '

yeiichi

"""
datetime_util.py

Utility helpers for working with timezone-aware datetimes.

This module provides:
- Predefined, commonly used timezone constants (UTC, JST, ET, etc.)
- Convenience functions for getting the current time in specific regions
- Safe conversion utilities that enforce timezone awareness
- ISO 8601 serialization and parsing helpers

yeiichi

def parse_number(x: int | float | str | None):
    """Parse a numeric string into int or float.

    Return None for empty or common null markers; leave non-string inputs unchanged.
    """
    if not isinstance(x, str):
        return x

    s = x.strip().replace(",", "")

yeiichi

# 1. Configures unpacked packages
# 2. Fixes broken dependencies
# 3. Removes unused packages
# 4. Clears out the local repository of retrieved package files
repair-clean: ## 
	@sudo dpkg --configure -a && \
	sudo apt install -f && \
	sudo apt autoremove -y && \
	sudo apt autoclean

yeiichi

# --- Configuration ---
SOURCE_DIR := /path/to/src/
DEST_HOST  := host_name_in_ssh_config
DEST_PATH  := /path/to/dest

# --- Flags ---
# -a: Archive (preserve permissions/times)
# -v: Verbose (see what's happening)
# -z: Compress (faster over network)
# -R: Relative (ensures directory structure is preserved)/Don't use -> redundant in this context

yeiichi

# --- Configuration Constants ---
DB_HOST ?= mysql.example.com
DB_NAME ?= dbname
DB_USER ?= dbuser
BACKUP_DIR ?= ./backups
DATE := $(shell date +%Y-%m-%d_%H-%M-%S)

# Restore settings
# Usage: make restore RESTORE_FILE=./backups/xxx.sql.gz
RESTORE_FILE ?=

yeiichi

def strip_df(df):
    """Strip leading and trailing whitespace from DataFrame string cells, leaving other types unchanged."""
    return df.map(lambda s: s.strip() if isinstance(s, str) else s)

yeiichi

yeiichi

#!/usr/bin/env bash
set -euo pipefail

# mdtable2csv: Convert Markdown tables to CSV.
# Handles alignment rows, trims cells, escapes CSV safely, and respects escaped pipes (\|).

mdtable2csv() {
  local in out

  if [[ $# -lt 1 || $# -gt 2 ]]; then