yhay81

import sqlite3
import discord

client = discord.Client()


@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)

yhay81

import discord


client = discord.Client()


@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)

yhay81

from matplotlib import pyplot as plt
import numpy as np
import pandas as pd
from sympy import sieve

def prime_doubles(upper):
    result = [0] * (2 * upper + 1)
    sieve.extend(upper)
    max_prime_index, _ = sieve.search(upper)
    for i in range(1, max_prime_index+1):

yhay81

5 Steps to know about JavaScript Closure

This is what I think is easy way to understand what closure of JavaScript is.

Step 1. Declaration variables

When we use variables in programming, at first we declare it and then use it. So, what happens when I declare the variable which name is already declared?

yhay81

let count = 0;
const doOnlyOnce = function (){
    if(count==0){
        console.log("You do this for first time.");
    }else{
        console.log("You already have done this.");
    }
    count++;
};

yhay81

from functools import wraps
from time import time


def timing(f):
    @wraps(f)
    def wrapper(*args, **kwds):
        s = time()
        f(*args, **kwds)
        return time() - s

yhay81

var SLACK_ACCESS_TOKEN = PropertiesService.getScriptProperties().getProperty('SLACK_ACCESS_TOKEN');
var GIPHY_API_KEY = PropertiesService.getScriptProperties().getProperty('GIPHY_API_KEY');
// var SPREAD_SHEET_ID = PropertiesService.getScriptProperties().getProperty('SPREAD_SHEAT_ID');

var POST_MESSAGE_ENDPOINT = 'https://slack.com/api/chat.postMessage';
var TEXTS = [
  'Do you like dogs?:dog:',
  'You said the word!:grinning:',
  'I hope you like this...:poodle:',
  'Dogs are cute!:dog2: Dogs are cute!:dog2:',

yhay81

class NaturalNumber:
    def __init__(self, p=None):
        self.predecessor = p

    def __eq__(self, x):
        if self.predecessor is None and x.predecessor is None:
            return True
        elif (self.predecessor is None and x.predecessor is not None) \
                or (self.predecessor is not None and x.predecessor is None):
            return False

yhay81

var token = 'xoxb-34...みたいなトークン';
var slack = GASlacker.methods(token);

function doPost(e){
  var event = JSON.parse(e.postData.contents).event;
  if(event.text.match(/hello/)){
    var text = "Hello," + event.message.username;
    slack.chat.postMessage(event.channel, text);
  }
}

yhay81

import sqlite3
import discord

client = discord.Client()


@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)