sgkim126

void display_progress_bar(int progress) {
    static const int PROGRESS_BAR_LENGTH = 20;
    int filled = progress * PROGRESS_BAR_LENGTH / 100;

    fprintf(stderr, "\r[");
    for (int i = 0; i < filled; i += 1) {
        fprintf(stderr, "#");
    }
    for (int i = filled; i < PROGRESS_BAR_LENGTH; i += 1) {
        fprintf(stderr, " ");

sgkim126

#include <termios.h>
#include <unistd.h>

int main() {
    struct termios term;

    if (tcgetattr(STDIN_FILENO, &term) < 0) {
        printf("can't get tty settings\n");
        return -1;
    }

sgkim126

#include <termios.h>

struct termios term;
tcgetattr(STDIN_FILENO, &term);
term.c_oflag &= ~OPOST;
tcsetattr(STDIN_FILENO, TCSANOW, &term);

sgkim126

let it = vec![1, 2, 3, 4].into_iter().inspect(|x| println!("value is {}", x));

sgkim126

// rgba := [r, g, b, a, r, g, b, a, ...]
for alpha in rgba.skip(3).step_by(4) {
    do_something_with_alpha(alpha);
}

sgkim126

let old_vec = vec![1, 2, 3, 4];
let original = old_vec.into_iter();
let doubled = original.map(|x| x * 2);
assert_eq!(vec![2, 4, 6, 8], doubled.collect::<Vec<_>>());

sgkim126

@functools.cache
def fibonacci(n):
    if n == 0 or n == 1:
        return n
    return fibonacci(n - 1) + fibonacci(n - 2)

sgkim126

_heavy_function.cache_info() # CacheInfo(hits=20, misses=12, maxsize=1000, currsize=12)

sgkim126

def heavy_function(set_arg, lst_arg):
    return dict(_heavy_function(frozenset(set_args), tuple(lst_arg)).items())


@functools.lru_cache(maxsize=1000)
def _heavy_function(frozenset_arg, tuple_arg):
    return result_dictionary()

sgkim126

#!/usr/bin/env python3
  port functools
import itertools
import math
import sys


def is_pentagonal(n):
    return math.sqrt(24 * n + 1) % 6 == 5