#data-sanitization code explainers

java

public final class LogRedactor {
 
    private static final Pattern SECRET = Pattern.compile(
        "(?i)(password|token|api[_-]?key|secret|authorization)\\s*[=:]\\s*\\S+");

Streaming log redaction in Java

regex streaming-io try-with-resources

Intermediate 9 steps

typescript

import {
  Injectable,
  PipeTransform,
  ArgumentMetadata,

A custom validation pipe in NestJS

validation dto recursion

Intermediate 10 steps

ruby

class Product < ApplicationRecord
  belongs_to :account
 
  after_save :record_audit_trail

Building an audit trail with Rails callbacks

callbacks audit-logging dirty-tracking

Intermediate 7 steps