anilpai

Dynamo: How to Design a Key-value Store?

Amazon’s Dynamo  : https://www.allthingsdistributed.com/2007/10/amazons_dynamo.html
Eventually Consistent : https://www.allthingsdistributed.com/2007/12/eventually_consistent.html
Bigtable : https://research.google/pubs/pub27898/
DynamoDB : https://www.allthingsdistributed.com/2012/01/amazon-dynamodb.html
CRDT : https://en.wikipedia.org/wiki/Conflict-free_replicated_data_type
A Decade of Dynamo : https://www.allthingsdistributed.com/2017/10/a-decade-of-dynamo.html
Riak : https://docs.riak.com/riak/kv/2.2.0/learn/dynamo/
Dynamo Architecture : https://www.youtube.com/watch?v=w96lLsbI1q8

zmts

Про токены, JSON Web Tokens (JWT), аутентификацию и авторизацию. Token-Based Authentication

Last major update: 25.08.2020

• Что такое авторизация/аутентификация
• Где хранить токены
• Как ставить куки ?
• Процесс логина
• Процесс рефреш токенов
• Кража токенов/Механизм контроля токенов

m-coding

// allows YYYY/M/D and periods instead of slashes
// http://stackoverflow.com/questions/24989065/trying-to-validate-yyyy-mm-dd
/^\d{4}[\/.]\d{1,2}[\/.]\d{1,2}$/

// YYYY-MM-DD and YYYY-M-D
// http://stackoverflow.com/questions/6177975/how-to-validate-date-with-format-mm-dd-yyyy-in-javascript
/^\d{4}\-\d{1,2}\-\d{1,2}$/

// YYYY-MM-DD
// https://gist.github.com/arth2o/8471150

vasanthk

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

dypsilon

Backend Development

• node.js
  • Installation paths: use one of these techniques to install node and npm without having to sudo.
  • Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
  • Felix's Node.js Guide
  • Creating a REST API using Node.js, Express, and MongoDB
  • Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
  • JavaScript Event Loop
• Node.js for PHP programmers

troyk

1) see re: increasing shmmax http://stackoverflow.com/a/10629164/1283020

2) add to postgresql.conf:
shared_preload_libraries = 'pg_stat_statements'   # (change requires restart)
136 pg_stat_statements.max = 1000
137 pg_stat_statements.track = all

3) restart postgres

4) check it out in psql