Habetdin

# don't put duplicate lines or lines starting with space in the history
HISTCONTROL=ignoreboth:erasedups

# append to the history file, don't overwrite it
shopt -s histappend

# don't execute expanded result immediately
shopt -s histverify

# https://unix.stackexchange.com/a/18443

Habetdin

#!/bin/bash

# https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit

color_code=()
color_text=()
for c in {0..255}; do
    color_code+=($(tput setaf $c))
    color_text+=($(printf '%s=%i' "$(tput setaf $c | cat -v)" $c))
done

Habetdin

# from the comments of https://backreference.org/2011/11/17/remove-duplicates-but-keeping-only-the-last-occurrence/
tac <src-file> | awk '!a[$0]++' | tac | tee <dst-file>

Habetdin

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• I am habetdin on github.
• I am habetdin (https://keybase.io/habetdin) on keybase.
• I have a public key ASAUpULtmlGW5I2nIOxtEm1Rl0Ha0WvgfkzK9SbMfYJljgo

To claim this, I am signing this object:

Habetdin

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2 GB	1 core	50 GB	2 TB	$10/mo.	Get 2 free months
4 GB	2 cores	80 GB	4 TB	$20/mo.	Get 1 free month

Habetdin

#
# Extracts exceptions from log files.
#

import sys
import re
from collections import defaultdict

REGEX = re.compile("(^\tat |^Caused by: |^\t... \\d+ more)")
# Usually, all inner lines of a stack trace will be "at" or "Caused by" lines.

Habetdin

# 1. Remove all containers including their volumes
docker rm -vf $(docker ps -a -q)

# 2. Remove all images
docker rmi -f $(docker images -a -q)

# (1) and (2) as an one-liner
export _DCKR=$(docker ps -a -q) && [ -n "$_DCKR" ] && docker rm -vf ${_DCKR[@]}; export _DCKR=$(docker images -a -q) && [ -n "$_DCKR" ] && docker rmi -f ${_DCKR[@]}; unset _DCKR

Habetdin

# Based on https://unix.stackexchange.com/a/31955

find . -maxdepth 1 -name '*.cpp' -type f -exec sed -i -e '$a\' {} \;

Habetdin

#!/usr/bin/env python3

import ipaddress
import sys

source = []
result = []

for line in sys.stdin.readlines():
    source.extend(ipaddress.ip_network(net) for net in line.split())

Habetdin

<?php
function normalizeNumerals($string) {
	$numerals_ascii = range(0, 9); // Western Arabic
	$numerals_arabic = ['٠', '١', '٢', '٣', '٤', '٥', '٦', '٧', '٨', '٩']; // Eastern Arabic
	$numerals_bengali = ['০', '১', '২', '৩', '৪', '৫', '৬', '৭', '৮', '৯']; // Bengali
	$numerals_devanagari = ['०', '१', '२', '३', '४', '५', '६', '७', '८', '९']; // Devanagari (Nagari)
	$numerals_myanmar = ['၀', '၁', '၂', '၃', '၄', '၅', '၆', '၇', '၈', '၉']; // Myanmar (Burmese)
	$numerals_persian = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹']; // Persian

	$string = str_replace($numerals_arabic, $numerals_ascii, $string);