codesnips
php 
<?php

namespace App\Policies;

use App\Models\Post;
use App\Models\User;

Authorize Post Editing With a Laravel Policy and Gate the Controller

laravel authorization policies
by codesnips 3 tabs
ruby 
class Current < ActiveSupport::CurrentAttributes
  attribute :user, :request_id

  def permissions
    @permissions ||= PermissionSet.new(user)
  end

Memoizing Computed User Permissions Per Request with Current Attributes in Rails

rails authorization caching
by codesnips 4 tabs
python 
import logging
from typing import Awaitable, Callable, List, Tuple

log = logging.getLogger("saga")

Compensation = Callable[[], Awaitable[None]]

Saga-Style Rollback With a Context-Managed Compensating Action Stack

saga rollback context-manager
by codesnips 3 tabs
typescript 
import { Component, Inject } from '@angular/core';
import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';

export interface ConfirmDialogData {
  title: string;
  message: string;

Reusable Angular Confirmation Dialog Service Returning an Observable of the User's Choice

angular rxjs observables
by codesnips 3 tabs
typescript 
import {
  Column,
  Entity,
  PrimaryGeneratedColumn,
  UpdateDateColumn,
  VersionColumn,

Optimistic Locking in NestJS with a TypeORM Version Column and Conflict Exception Filter

nestjs typeorm optimistic-locking
by codesnips 4 tabs
go 
package upload

import (
	"bufio"
	"errors"
	"fmt"

Streaming Multipart Upload Handler With MIME Sniffing in Go

go http multipart
by codesnips 3 tabs
python 
import threading


class MinuteRingBuffer:
    def __init__(self, window_minutes=15):
        if window_minutes < 1:

Rolling Per-Minute Log Aggregation with a Ring Buffer

logging metrics observability
by codesnips 3 tabs
php 
<?php

namespace App\Orders;

enum OrderStatus: string
{

Multi-Step Checkout Order State Machine in Laravel

laravel state-machine checkout
by codesnips 3 tabs
rust 
use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct CancelReason {
    pub reason: String,
    pub feedback: Option<String>,

Internally Tagged Enum JSON Serialization for a Rust Webhook API

rust serde json
by codesnips 3 tabs
rust 
use serde::Deserialize;

#[derive(Debug, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct Config {
    pub server: ServerConfig,

Parsing a Layered TOML Config into Typed Sections with Serde and Defaults

rust serde toml
by codesnips 3 tabs
rust 
use std::collections::HashMap;
use std::path::PathBuf;

use walkdir::WalkDir;

pub fn group_by_size(root: &str) -> HashMap<u64, Vec<PathBuf>> {

Detect Duplicate Files with Parallel Blake3 Checksums in Rust

rust checksums blake3
by codesnips 4 tabs
php 
<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

Polymorphic Media Attachments in Laravel With a Queued Image Resize Job

laravel polymorphism eloquent
by codesnips 4 tabs