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bashlib

A collection of reusable bash code.

• log: logging library

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#! /usr/bin/env bash

set -e -u -o pipefail

# set options
COLLECTION_ID='317099' # Unsplash Editorial (aka Picture of the Day)

# set constants
IMG_RESOLUTION=$(xrandr --current | grep '\*' | awk '{print $1}' | sort | tail -n 1)
IMG_REMOTE_URI="https://source.unsplash.com/collection/${COLLECTION_ID}/${IMG_RESOLUTION}"

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// ==UserScript==
// @name     Set C++ standard on cppreference.com
// @match    https://en.cppreference.com/w/cpp/*
// @icon     https://en.cppreference.com/favicon.ico
// ==/UserScript==

const DESIRED_CPP_STANDARD = "C++20";

function changeCppStandard(elem) {
  // find option labeled with DESIRED_CPP_STANDARD

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#!/bin/bash

pkgs=$(./list_purgable.py)
for pkg in $pkgs; do
    echo "$(tput setaf 6)purging $pkg$(tput sgr0)"
    sudo apt purge "$pkg" || sudo apt-mark manual "$pkg"
done

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set(flags "-flto")
set(c_flags "")
set(cxx_flags "-stdlib=libc++")
set(link_flags "-fuse-ld=lld")

set(CMAKE_C_COMPILER clang)
set(CMAKE_CXX_COMPILER clang++)
set(CMAKE_C_FLAGS_INIT "${c_flags} ${flags}")
set(CMAKE_CXX_FLAGS_INIT "${cxx_flags} ${flags}")
set(CMAKE_EXE_LINKER_FLAGS_INIT "${link_flags}")

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BasedOnStyle: WebKit

Language: Cpp
Standard: Cpp11

UseTab: Never
ColumnLimit: 120
AlignEscapedNewlines: Left

NamespaceIndentation: All

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#include <stdint.h>
#include <stdio.h>

void print_int(const int64_t v) {
    const bool neg = v < 0;
    uint64_t pv = neg ? -v : v;
    
    // convert into digit characters
    static const size_t DIGITS_LENGTH = 19;
    char digits[DIGITS_LENGTH];

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Unicode Syntax Notification — Specification

TODO: Add introduction paragraph.

1 Term Definitions

• 1.1 Character: The smallest possible matchable unit. Defined as a Unicode Scalar Value.
• 1.2 Property: A binary character property as defined by Unicode. It's value is a closed range of all characters, which have this property set to true.

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#include "utf8.hpp"

namespace {
    template<class T>
    struct range {
        T low, high;

        constexpr bool is_in(T value) const {
            return low <= value && value <= high;
        }

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#pragma once

#include <type_traits>

// ======== enum_cast

template <class E>
constexpr std::enable_if_t<std::is_enum<E>::value, std::underlying_type_t<E>> enum_cast(E e) noexcept
{
    return static_cast<std::underlying_type_t<E>>(e);