hare1039

#include <iostream>

struct point2d : public std::pair<int, int>
{
    int& x() { return first; }
    int& y() { return second; }

    template <typename ... Args>
    point2d(Args&& ... args) : pair<int, int>(std::forward<Args>(args)...) {}
};

hare1039

import matplotlib.pyplot as plt
import statistics
import collections
d = collections.defaultdict(lambda: 0)
 
x = statistics.mean(data1)
sys.argv;
"{0: <5}".format("abc")
"{:.2f}".format(0.001)

hare1039

# screen start and detach
screen -S sleepy -dm cmd
screen -XS sleepy quit
# mutex
waiter()
{
    local max=$1;
    while (( $(jobs -l | wc -l) >= $max )); do
	    sleep 1;
    done

hare1039

#pragma once

#ifndef SCOPE_EXIT_HPP__
#define SCOPE_EXIT_HPP__

#include <functional>

#define BASIC_SCOPE_EXIT_CONCAT_IMPL(x, y) x##y
#define BASIC_SCOPE_EXIT_CONCAT(x, y) BASIC_SCOPE_EXIT_CONCAT_IMPL(x, y)
#define SCOPE_DEFER ::basic_scope_exit::scope_exit BASIC_SCOPE_EXIT_CONCAT(SCOPE_EXIT_UNIQUE_VAR_, __LINE__) = \

hare1039

CURL_REQUEST_CMD=...;
XCODE_DL_LOCATION="/Volumes/Card512";
XCODE_TMP_EXTRACT_LOCATION="/Volumes/Card512/xcode";
XCODE_FINAL_EXTRACT_LOCATION="/Volumes/Card512"

# download xcode
cd "${XCODE_DL_LOCATION}" || \
    { echo "cd ${XCODE_DL_LOCATION} failed"; exit 1; }

while ! ${CURL_REQUEST_CMD} -o xcode.xip --continue -; do

hare1039

#include <iostream>
#include <vector>

bool sum_of(std::vector<int> const & list, int const target, int const maxdep)
{
    if (maxdep < 0 or target < 0)
        return false;
    if (target == 0)
        return true;

hare1039

INTERNET_INTERFACE=wlp13s0
LOCAL_INTERFACE=enp15s0

LOCAL_INTERFACE_IP_BASE=192.168.155
LOCAL_INTERFACE_IP="${LOCAL_INTERFACE_IP_BASE}.1"
LOCAL_INTERFACE_MAC=$(cat /sys/class/net/${LOCAL_INTERFACE}/address)

ip link set up dev ${LOCAL_INTERFACE}
ip addr add "${LOCAL_INTERFACE_IP}"/24 dev ${LOCAL_INTERFACE}

hare1039

#include <png++/png.hpp>
#include <iostream>
#include <memory>
#include <type_traits>

int constexpr bitmask = 0b00000011;

constexpr inline auto hash(char const * str, int h = 0) -> long long int {
    return (!str[h] ? 5381 : (hash(str, h+1)*33) ^ str[h] );

hare1039

#include <ArduinoSTL.h>
#include <vector>
#include <functional>

using arduino_time_t = unsigned long;
using function_ptr = void (*)();

class dispatcher
{  

hare1039

#include <iostream>
#include <vector>
#include <sstream>
#include <limits>
#include <unordered_set>

class tetris
{
protected:
    enum class ele { empty, occupied };