roeniss

#include <bits/stdc++.h>

#define ffor(i, x) for (int (i)=0;(i)<(x);(i)++)
#define fffor(i, x) for (int (i)=1;(i)<=(x);(i)++)
#define I(x) int (x); cin >> (x)
#define P(x) cout << (x) << '\n'
#define ll long long
#define ii pair<int, int>

#define fforR(x, i) for (int (i) = (x) - 1 ; (i) >= 0 ; --(i))

roeniss

new

sudo docker run -it --rm --name certbot \
  -v '/etc/letsencrypt:/etc/letsencrypt' \
  -v '/var/lib/letsencrypt:/var/lib/letsencrypt' \
  certbot/certbot certonly -d '*.myDomain.com' --manual --preferred-challenges dns --server https://acme-v02.api.letsencrypt.org/directory

renew

roeniss

# original article: [How To Add Swap Space on Ubuntu 16.04](https://www.digitalocean.com/community/tutorials/how-to-add-swap-space-on-ubuntu-16-04)

# Cautious! Upgrading RAM is safer than this job.

# 1. check status
sudo swapon --show # no output == no available swap space
free -h # another way to do right above line
df -h # check available disk

# 2. create/enable swap file

roeniss

# for example, 
# plugins=(git)
# will become :
# plugins=(git zsh-autosuggestions)
# with "addPlugin zsh-autosuggestions"

# add below function to ~/.zsrc, then reload with 'source ~/.zshrc'
addPlugin() {  l=`cat ~/.zshrc 
             | grep -n '^plugins=.*$' 
             | cut -f1 -d:`; 

roeniss

#!/bin/bash 
npx express-generator -e -v ejs -c sass -f --git .

roeniss

# -*- coding: utf-8 -*-
import csv
import os
import smtplib
from email.mime.text import MIMEText
import datetime

def sendGmail(userEmail, emailPassword, emailToBeSend, subject, htmlContent):
        '''
        Keep secret the PASSWORD !

roeniss

#!/bin/bash

# Using Chrome, open a github page of remote repo on current directory.
# tested on MacOS

REMOTE=$(git remote -v | sed -n '1,1p' | sed 's/.*https/https/' | sed 's/\ .*//')
open -a Google\ Chrome $REMOTE

roeniss

echo $PATH | tr : \\n  | xargs -n1

roeniss

{
  "env": {
    "browser": true,
    "es2020": true
  },
  "extends": ["eslint:recommended", "plugin:react/recommended", "plugin:@typescript-eslint/recommended"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaFeatures": {

roeniss

#!/usr/bin/env bash

set -Eeuxo pipefail
trap cleanup SIGINT SIGTERM ERR EXIT

script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)

usage() {
  cat <<EOF
사용법: $(basename "${BASH_SOURCE[0]}") [-h] [-v] [-f] -p param_value arg1 [arg2...]