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def getchar():
   #Returns a single character from standard input
   import tty, termios, sys
   fd = sys.stdin.fileno()
   old_settings = termios.tcgetattr(fd)
   try:
      tty.setraw(sys.stdin.fileno())
      ch = sys.stdin.read(1)
   finally:
      termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)

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# This is free and unencumbered software released into the public domain.
# 
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
# 
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit

PageotD

import argparse
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
from cryptography.hazmat.backends import default_backend
import os

# Constants
SALT_SIZE = 16
IV_SIZE = 16

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Regular Colors

Value	Color
\e[0;30m	Black
\e[0;31m	Red
\e[0;32m	Green
\e[0;33m	Yellow
\e[0;34m	Blue
\e[0;35m	Purple

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# Dockerfile for SQLite
FROM alpine:latest

# Install SQLite
RUN apk --no-cache add sqlite sqlite-dev

# Set the working directory
WORKDIR /data

# Expose the port SQLite may use

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My Pandoc Markdown-PDF Workflow for Routine, Not Especially Technical, Writing

by Danny Quah, Aug 2020 (revised Jan 2022)

TL;DR: I write technical articles in LaTeX. But shorter, non-technical writings are easier to do in Markdown. How do I produce PDF from Markdown documents? Answer: provide YAML information in the Markdown; run Pandoc (typically through a Makefile or Atom's Markdown Preview Enhanced). To make all this work, some adjustment is needed in Pandoc options and template files.

Pandoc is a filter that takes a written document in a particular format, and produces a version of that same document in yet a different format. I use Pandoc primarily to transform Markdown documents to PDF, but I also draw on Pandoc to convert Word or ODT documents to Markdown. And vice versa.

Available official Pandoc documentation is voluminous. So as a matter of logic the knowledge to generate PDF from Markdown, to the user's desired degree of control, is already extant, out there somewhere. But a user j

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CB_color_cycle = ['#377eb8', '#ff7f00', '#4daf4a',
                  '#f781bf', '#a65628', '#984ea3',
                  '#999999', '#e41a1c', '#dede00']

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import time
import chime
from rich.progress import Progress

def ptimer(phase, ptime, pcolor="white"):
    """
    A generic timer for the three phases of the pomodoro
    technique.

    phase: (str) name of the phase

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# -------------------------------------------------------------------
# Filename: gpdcwrap.py
#   Author: Damien Pageot
# ------------------------------------------------------------------
"""
Functions to use the Geopsy-gpdc engine.
"""

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import matplotlib.pyplot as plt
import numpy as np

def voronoi(nx, ny, dh, xp, yp, val, xrng, yrng):
    """
    Simple Voronoi 2D interpolation.

    :param n1: number of points in the first dimension of the output model
    :param n2: number of points in the second dimension of the output model
    :param dh: spatial sampling