alexbevi

# Day 1

sum = 0
File.readlines('day01.txt', chomp: true).each do |line|
  sum += line.scan(/\d/).values_at(0, -1).join.to_i
end

puts sum

alexbevi

# Title: LightGallery Tag for Jekyll
# Authors: Alex Bevilacqua <alex@alexbevi.com>
# Description: incorporate the LightGallery inline JavaScript gallery
#
# Adaption of "Photos tag for Jekyll" by Devin Weaver, and the derived
# "Gallery Tag for Jekyll" by Kevin Brown.
#
# Installation:
#
# {% gallery_includes %}

alexbevi

• MongoDB Basics
  • SQL vs NoSQL
  • What is MongoDB?
  • What is MongoDB Atlas?
  • When to use MongoDB?
• MongoDB data model and data types
  • BSON (Binary JSON) data types
    • Double
    • String
• Object

alexbevi

Install Rails 7

# make sure rails is setup
gem install rails                                                                                                          

# output

alexbevi

TODO:
  ☐ [Drivers] Schedule an EMEA/AMER sync @created(21-02-05 06:49)
  ☐ [Drivers] Schedule an Atlas Log Ingestion demo @created(21-02-05 06:49)
  ☐ [sharding] Update TSWRITING-1531 @created(21-01-04 09:58)
  ☐ [Q+I] Research index versions article @created(21-02-05 06:59)
  ☐ [Q+I] https://docs.google.com/document/d/1ba0uGSwcaOilYANjzfNda6wv77yozI3tenGFCUPDM9A/edit @created(21-05-05 12:52)
  ☐ Awaitable ismaster lightning talk @created(21-06-07 16:17)
  ☐ TSWRITING-1912? @created(21-07-05 07:47)
  ☐ Review TSWRITING-1519 @created(21-04-02 09:34) 
  ☐ Review Pocket Guide to TimeSeries for Diego @created(21-06-17 09:10)

alexbevi

def replace_target(path, target)
  p = path.split('/')
  p[-1] = target
  return p.join('/').to_s
end

def cleanup_title(c)
  title = c.gsub('{','').gsub('}','').gsub("\t", ' ').split(', ')[1..-1].join.strip
  title = title.delete_prefix('"').delete_suffix('"').delete_suffix(' ,').delete_suffix("\",").delete_suffix("\"").delete_suffix("\" ;")
  title

alexbevi

function printReplicationTree(rs) {
  print("\nReplication Sync Source Tree\n============================");

  function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; return arr2; } else { return Array.from(arr); } }

  var idMapping = rs.members.reduce((acc, el, i) => {
    acc[el.name] = i;
    return acc;
  }, {});

alexbevi

dump_bson.rb

Usage

# Use -f/--filename to pass the file to emit JSON for
ruby dump_bson.rb -f auditLog_prod01.bson
....
{"atype":"authenticate","ts":"2020-11-21 06:25:22 UTC","local":{"ip":"127.0.0.1","port":27013},"remote":{"ip":"127.0.0.1","port":55842},"users":[{"user":"__system","db":"local"}],"roles":[],"param":{"user":"__system","db":"local","mechanism":"SCRAM-SHA-1"},"result":0}
{"atype":"shutdown","ts":"2020-11-21 06:25:23 UTC","local":{"ip":"127.0.0.1","port":27013},"remote":{"ip":"127.0.0.1","port":55842},"users":[{"user":"__system","db":"local"}],"roles":[],"param":{},"result":0}

alexbevi

/*
* measureInitialSyncProgress
* @author Alex Bevilacqua <alex@alexbevi.com>
* @updated 2021-02-23
*
* Can be run against a MongoDB 4.2.12+ mongod that is in STARTUP2 (intitial sync) state to gain some
* insight into how the sync is progressing based on the improvements introduced with SERVER-47863.
* For versions of MongoDB < 4.2.12, see https://www.alexbevi.com/blog/2020/02/13/mongodb-initial-sync-progress-monitoring
*
* usage:

alexbevi

/**
 * measureIndexUsage(block)
 *
 * Measure the index utilization before/after a block is run. The block can contain
 * one to many operations, however the index utilization will only measure the collections
 * associated with the current `db` instance.
 *
 * NOTE: this script does not "isolate" the operation(s) run so if running in a busy
 * environment the results may represent other operations index utilization.
 *