tonsh

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Strings.sol";

// @title The pet adption contract.
// @author tonsh
contract Adoption {
    // The total number of pets should not exceed 15
    uint8 constant TOTAL_PETS = 15;

tonsh

package main

import (
	"bufio"
	"encoding/json"
	"fmt"
	"os"
)

type (

tonsh

<?php
function count_test($num) {
    $arr = range(0, $num);
    $start = microtime();
    while($i < count($arr)) {
        $i += 1;
        continue;
    }
    $end = microtime();
    echo 'Count '.$num.': '.($end - $start).PHP_EOL;

tonsh

# coding=utf-8
import math


def prime(n):
    if n == 1:
        return True
        
    # 优化1: 2, 3, 5 特殊值比较，可节约约 3/4 地计算量
    if n % 2 == 0:

tonsh

var = 'outer'
def A():
    global var
    var = 'inner'
    print var
    
# inner

var = 'outer'
def B():

tonsh

# coding=utf-8

import logging
import random
import threading
import time


class Counter(object):
    _count = 0

tonsh

* Ctrl-a    光标移至行首
* Ctrl-e    光标移至行尾
* Ctrl-b    光标向左移动一个字符(backward)
* Ctrl-f    光标向右移动一个字符(forward)

* Ctrl-k    删除从光标开始至行尾地所有字符
* Ctrl-u    删除从光标开始至行首的所有字符
* Ctrl-d    删除光标所在地字符
* Ctrl-h    删除光标左侧的一个字符
* Ctrl-w    删除光标右侧的单词

tonsh

#include<stdio.h>         
                          
int main() {              
    int a = 1;            
    printf("%p\n", &a); // --> 0x7fff614d1a74
    a++;
    printf("%p\n", &a); // --> 0x7fff614d1a74
    int b = a;            
    printf("%p\n", &b); // --> 0x7fff658c8a70                                                           
    return 0;             

tonsh

# coding=utf-8

import datetime
import unittest

def strptime(date_str):
    """ 不确定 date_str 格式的字符串与日期转换 """
    if isinstance(date_str, datetime.datetime):
        return date_str

tonsh

<?php
/**
 * @author tonsh
 *
 * A set of common used functions
 */


/**
 * 将数字字符串每3位添加一个逗号(从右向左)