akhrszk

// marshal/unmarshal to/from unix timestamp
// implement the Scanner and Valuer interfaces of gorm (https://gorm.io/docs/data_types.html)

package custom

import (
  "time"
  "fmt"
  "strconv"
  "database/sql/driver"

akhrszk

const groupBy = <K, V>(arr: readonly V[], getKey: (cur: V, idx: number, src: readonly V[]) => K): V[][] =>
  arr.reduce((acc, cur, idx, src) => {
    const key = getKey(cur, idx, src);
    const item = acc.find(([k,]) => k === key);
    if (item) {
      const [, v] = item;
      v.push(cur);
    } else {
      acc.push([key, [cur]]);
    }

akhrszk

docker-compose down --rmi all --volumes --remove-orphans

akhrszk

const group = <T>(arr: T[], size: number): T[][] => {
  return arr.reduce(
    (acc, curr) => {
      if (acc[acc.length - 1].length < size) {
        acc[acc.length - 1].push(curr)
      } else {
        acc.push([curr])
      }
      return acc
    },

akhrszk

const toMap = <T>(arr: T[], byId: (item: T) => string): Map<string, T> => {
  const tuple = arr.reduce((acc, curr) => {
    acc.push([byId(curr), curr])
    return acc
  }, [] as [string, T][])
  return new Map(tuple)
}

akhrszk

class Node {
  constructor(value) {
    this.value = value
    this.left = undefined
    this.right = undefined
  }
}

Node.prototype.setLeft = function (node) {
  this.left = node

akhrszk

import { useEffect, useRef, useState } from 'react';

type Control = {
  start: () => void;
  stop: () => void;
};

type State = 'RUNNING' | 'STOPPED';

type Fn = () => void;