harryhan24

테스팅시

beforeAll(()=>{  
  await container.clearInstances()
  container.register<TypeDB>('DB_CONFIG', {
    useFactory: instanceCachingFactory(() => new TypeDB()),
  })    
})

harryhan24

POST

cosnt body = {title,content}
axios.post(uri, body, config)

STATUS 분기

axios.post(SCRAP_UTIL_LOAD_URL, {
 validateStatus: (status: number) => {

harryhan24

import { AbstractControl, FormArray, FormGroup } from '@angular/forms';
import { map, toPairs, fromPairs, differenceWith, isEqual, isNull, isUndefined } from 'lodash';
import { Observable, OperatorFunction, defer, empty, of, merge, pipe } from 'rxjs';
import { distinctUntilChanged, filter, map, shareReplay, pairwise } from 'rxjs/operators';

/**
 * Convenience RxJS operator that filters out undefined & null and modifies the downstream type
 * appropriately.
 */
export function exists<T>(): OperatorFunction<T | undefined | null, T> {

harryhan24

import {
  DynamoDBClient,
  PutItemCommand,
  GetItemCommand,
  UpdateItemCommand,
  DeleteItemCommand,
} from '@aws-sdk/client-dynamodb';
import {
  marshall,
  unmarshall

harryhan24

import { APIGatewayProxyEventV2, APIGatewayProxyResultV2 } from "aws-lambda";
import { DynamoDB, PutItemInput } from '@aws-sdk/client-dynamodb'
import { marshall } from '@aws-sdk/util-dynamodb'
import { v4 as uuid } from 'uuid'

interface TodoInput {
    id?: string
    title: string
    done: boolean 
}

harryhan24

const raw = [
  {a:'a', b:'b', c:'c', max: 10, min: 2 },
  {a:'a', b:'b', c:'c', max: 10, min: 2 },
  {a:'a', b:'b', c:'c', max: 10, min: 3 },
  {a:'a', b:'b', c:'c', max: 10, min: 4 },
  {a:'a', b:'b', c:'c', max: 10, min: 5 },
  {a:'a', b:'b', c:'c', max: 10, min: 6 },
  {a:'a', b:'b', c:'c', max: 10, min: 7 },
]

harryhan24

const initialData = {
	servers: [
		{
			url: 'https://1.example.com/',
			title: 'Server 1',
			online: null,
		},
		{
			url: 'https://2.example.com/',
			title: 'Server 2',

harryhan24

Flutter

A quick cheatsheet of useful snippet for Flutter

Widget

A widget is the basic type of controller in Flutter Material. There are two type of basic Widget we can extend our classes: StatefulWidget or StatelessWidget.

Stateful

StatefulWidget are all the widget that interally have a dynamic value that can change during usage. It can receive an input value in the constructor or reference to functions. You need to create two classes like:

harryhan24

// Get AWS Congito access token using node-fetch and axios
const axios = require('axios');
const fetch = require('node-fetch');
const url = 'https://REPLACE_ME.auth.ap-southeast-2.amazoncognito.com/oauth2/token';
const clientId = 'REPLACE_ME';
const clientSecret = 'REPLACE_ME';
const body = `client_id=${clientId}&client_secret=${clientSecret}&grant_type=client_credentials`

// with node-fetch

harryhan24

Setting up Docker with user namespaces on CentOS 7.4

The procedure below has been tested on a Digital Ocean VM with CentOS 7.4

# Install docker from RHEL’s standard repos
yum install -y docker

#
# We’ll activate the ‘user namespaces’ feature that defends against