venkatperi

/**
  * Given an array of size 'n' and a number 'r' (r <= n), this generator returns all 
  * nCr permutation subarrays of the array.
  * 
  * @param arr - array
  * @param r number
*/
function* permutations(arr, r, prefix = []) {
  for (let i = 0; i < arr.length - r + 1; i++) {
    let x = [...prefix, arr[i]]

venkatperi

function toAsciiTree(tree: any, prefix = "", isTail = true): string | null {
    if (!tree) {
        return null
    }

    let children = tree.children || []
    return [prefix, isTail ? "└" : "├", " ", tree.name, '\n']
        .concat(children.map((c: any, i: number) => toAsciiTree(c,
            prefix + (isTail ? "  " : "│ "), i >= children.length - 1)))
        .join('')

venkatperi

₹* _(## ## ## ##0_);₹* (## ## ## ###);₹* 0_)

venkatperi

#!/bin/bash
SIZE=${1:-20}
curl -s https://apikey.now.sh/$SIZE | cut -d, -f1 | cut -d: -f2 | tr -d \"

venkatperi

data: function () {
    return {
      task: {
        sm: {},
        state: '',
        error: {},
        result: undefined,
      },
    }
  },

venkatperi

  props: {
    taskTimeout: {
      type: Number,
      required: false,
    },
  },

venkatperi

        ['stateTimeout#*_#running', 'done/timeout']

venkatperi

 ['enter#*_#done/:status', ({args, data}) =>
            keepState()
                .emit(args.status, data)],

venkatperi

 ['cast#error/:sessionId#running', ({args, data, event}) =>
            args.sessionId === data.sessionId
            ? nextState('done/error').data({errors: {$push: [event.extra]}})
            : keepState()],

venkatperi

 ['cast#cancel#running', ({event}) =>
            nextState('done/cancel')
                .data({errors: {$push: [event.extra]}})],