Code Explainers

Code explainers tagged #modules

ruby 
module WifiQrCode
  ESCAPE_CHARS = /([\\;,:"])/.freeze
 
  AUTH_TYPES = {

Building a Wi-Fi QR code payload in Ruby

string-formatting validation escaping
Intermediate 9 steps
typescript 
import {
  MiddlewareConsumer,
  Module,
  NestModule,

How middleware binds to routes in NestJS

middleware routing modules
Intermediate 6 steps
ruby 
module FixedWidthParser
  FIELDS = [
    { name: :record_type, range: 0...2 },
    { name: :account_id,  range: 2...12, type: :integer },

Parsing fixed-width records in Ruby

parsing data-driven-design type-coercion
Intermediate 5 steps