q-hung

1. Find the log file

psql -U postgres -c 'SHOW config_file' 

2. Change the settings

log_statement = 'none' # none, ddl, mod, all

q-hung

class Blog(django.model):
  name = models.CharField(null=False, max_length=64)
  
  def list_articles(self):
    return [
      {'body': 'abcdefg'},
      {'body': 'abcdefg'},
      {'body': 'abcdefg'},
    ]

q-hung

import json
import re
filename = './swedish.txt'

print('Start reading')

dictionary = {}
with open(filename, encoding="utf-8") as file:
    while line := file.readline():
        line = line.rstrip().split(' ')

q-hung

use std::collections::HashSet;

fn is_anagram(word: &str, candidate: &str) -> bool {
    if word.to_lowercase() == candidate.to_lowercase() {
        return false;
    }
    let mut a = word.to_lowercase().chars().collect::<Vec<char>>();
    let mut b = candidate.to_lowercase().chars().collect::<Vec<char>>();
    a.sort();
    b.sort();

q-hung

from PIL import Image

img = Image.open("star.jpg")
pixels = img.rotate(90).load()

density = "Ñ@#W$9876543210?!abc;:+=-,._ "

for i in range(img.size[0]):
    for j in range(img.size[1]):
        r, b, g = pixels[i, j]

q-hung

Can't connect to PostgreSQL. SSL error with Nodejs/Knexjs (Digital ocean)

Issues:

Case 1

{
  client: 'pg',
  connection: {
    host: process.env.DB_HOST,
    port: process.env.DB_PORT,

q-hung

import { pipe } from "fp-ts/lib/function";

const add =
  (first: number) =>
  (second: number): number => {
    return first + second;
  };

const add1 = add(1);
const add3 = add(3);

q-hung

import * as E from "fp-ts/Either";
import * as F from "fp-ts/function";

const minxLength = (s: string): E.Either<Error, string> => {
  return s.length < 8 ? E.left(new Error("Password is too short")) : E.right(s);
};
                     
const oneCapital = (s: string): E.Either<Error, string> =>
  /[A-Z]/g.test(s)
    ? E.right(s)

q-hung

import axios, { AxiosResponse } from "axios";
import * as F from "fp-ts/function";
import * as E from "fp-ts/Either";
import * as T from "fp-ts/Task";
import * as TE from "fp-ts/TaskEither";

type ToDo = {
  userId: number;
  id: number;
  title: string;

q-hung

import * as TE from "fp-ts/TaskEither";
import { pipe } from "fp-ts/function";

const createUser = (username: string): TE.TaskEither<Error, string> => {
  return TE.right(`UserId-${username}`);
};

const createOrder = (userId: string): TE.TaskEither<Error, string> => {
  return TE.right(`Order-${userId}`);
};