joshuakfarrar

"use strict";

var fs = require('fs');

console.log(fs.readFileSync(process.argv[2]).toString().split('\n').length - 1);

joshuakfarrar

console.log(new Buffer("bytewiser"));

joshuakfarrar

// the instructions for this problem suck. fix https://github.com/nodeschool/discussions/issues/245
var bytes = [0, 15, 24, 3, 250, 83];
console.log(new Buffer(bytes).toString('hex'));

joshuakfarrar

// had to use http://www.asciitable.com/ .. values should be in instructions, resource should be presented for next problem.
"use strict";

var bl = require('bl');

process.stdin.pipe(bl(function(err, data) {
  for (var k = 0; k < data.length; k++) {
    if (data[k] == 0x2e) data[k] = 0x21;
  }
  console.log(data);

joshuakfarrar

// "Extra bonus points if you avoid using fs.readFileSync" doesn't add value. Of course we should do it async
"use strict";

var fs = require('fs')
  , bt = require('buffertools');

fs.readFile(process.argv[2], function(err, data) {
  var offset = 0;
  while (true) {
    var nl = bt.indexOf(data, '\n', offset);

joshuakfarrar

var buffers = [];

process.stdin.on('readable', function(chunk) {
  var chunk = process.stdin.read();
  if (chunk !== null) {
    buffers.push(chunk);
  }
});

process.stdin.on('end', function() {

joshuakfarrar

royalflush:bytewiser sent1nel$ node bytewiser.js run ~/node/bytewiser/1.js

TypeError: Cannot read property 'stderr' of undefined
    at Exercise.processor (/Users/sent1nel/bytewiser/node_modules/workshopper-exercise/comparestdout.js:36:23)
    at next (/Users/sent1nel/bytewiser/node_modules/workshopper-exercise/exercise.js:152:19)
    at Exercise.process (/Users/sent1nel/bytewiser/node_modules/workshopper-exercise/exercise.js:161:5)
    at Exercise.<anonymous> (/Users/sent1nel/bytewiser/node_modules/workshopper-exercise/exercise.js:125:10)
    at process._tickCallback (node.js:415:13)
    at Function.Module.runMain (module.js:499:11)
    at startup (node.js:119:16)

joshuakfarrar

royalflush:bytewiser sent1nel$ node bytewiser.js current
Array Buffers

royalflush:bytewiser sent1nel$ node bytewiser.js run exercises/array_buffers/solution/solution.js
{"0":24557,"1":132,"BYTES_PER_ELEMENT":2,"buffer":{"0":237,"1":95,"2":132,"3":0,"byteLength":4},"length":2,"byteOffset":0,"byteLength":4}

royalflush:bytewiser sent1nel$ node bytewiser.js verify exercises/array_buffers/solution/solution.js

Your submission results compared to the expected:

joshuakfarrar

angular.module('app')
  .filter('reverse', function() {
    return function(items) {
      return items.slice().reverse();
    };
  });

joshuakfarrar

  def upload
    spreadsheet = Roo::CSV.new(params[:file].path, csv_options: {col_sep: "\t"})
    spreadsheet.inspect
    header = spreadsheet.row(1)
    (2..spreadsheet.last_row).each do |i|
      row = Hash[[header, spreadsheet.row(i)].transpose]
    end
    redirect_to root_url
  end