gmolveau

ModuleNotFoundError: No module named '_tkinter'

Fix :

brew install python-tk

gmolveau

cron with correct timezone

sudo apt-get install tzdata
# if already installed use :
sudo dpkg-reconfigure tzdata 

# verify that the time is correct
timedatectl

gmolveau

Tiny rules for how to name stuff

CSS

How to name CSS classes

Stateful Class names

Is it a state that is only one of two conditions? (i.e. a boolean)

gmolveau

# always use single quote for PROMPT and RPROMPT
# PROMPT = '' on the left
# RPROMPT = '' on the right
# see every numeric color : for code in {000..255}; do print -P -- "$code: %F{$code}Color%f"; done
# text colors : %F{cyan}text%f
# background color : %K{white}%k
# unicode caracter (eg. star) : \u2b50
# Reset both text and background color: %{$reset_color%}
# exit code : %(?.ok.%F{red}nok%f)
# standout : %Stext%s

gmolveau

MIT License

Copyright (c) 2021 Grégoire MOLVEAU

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

gmolveau

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

input="$*"
length="${#input}"

charindex=0
spongebob_str=""

while [ $charindex -lt $length ]; do

gmolveau

Put this in your .bashrc or .zshrc :

function abspath() {
    if [ -d "$1" ]; then
        # dir
        (cd "$1"; pwd)
    elif [ -f "$1" ]; then
        # file
 if [[ $1 = /* ]]; then

gmolveau

import asyncio

async def c1():
    print("c1 begin")
    await asyncio.sleep(1)
    print("c1 end")
    return

async def c2():
    print("c2 begin")

gmolveau

# please use python3 and flask > 1.0
# run this with : python3 flask_separate_thread.py
# https://web.archive.org/web/20210329135424/https://pymotw.com/3/threading/
# https://web.archive.org/web/20210329135553/https://eli.thegreenplace.net/2011/08/22/how-not-to-set-a-timeout-on-a-computation-in-python
import time
import threading

from flask import Flask

app = Flask(__name__)

gmolveau

# https://stackoverflow.com/a/7715690
# try it on : https://repl.it/languages/python3

# print('ok', end='\r ', flush=True)

for i in range(100):
  print(f'\t string {i}', end='\r ', flush=True)