codesnips
ruby 
require 'sinatra/base'
require 'json'

class HealthApp < Sinatra::Base
  configure do
    set :dump_errors, true

Mounting Modular Sinatra Apps Under Route Prefixes with Rack::URLMap

sinatra rack urlmap
by codesnips 3 tabs
rust 
use std::sync::Arc;
use std::time::{Duration, Instant};
use tokio::sync::Mutex;
use tokio::time::sleep;

#[derive(Debug)]

Rate-Limiting Outbound HTTP with a Token Bucket in Rust (Tokio)

rust tokio rate-limiting
by codesnips 3 tabs
ruby 
class RegistrationsController < ApplicationController
  def new
    @user = User.new
  end

  def create

Send a Welcome Email After Signup Using a Sidekiq Background Job in Rails

ruby rails sidekiq
by codesnips 4 tabs
rust 
use clap::{Args, Parser, Subcommand, ValueEnum};

#[derive(Parser, Debug)]
#[command(name = "tasks", version, about = "A tiny task manager")]
pub struct Cli {
    #[arg(short, long, global = true)]

Building a clap Subcommand Dispatcher With a Command Trait in Rust

rust clap cli
by codesnips 3 tabs
php 
<?php

namespace App\Http\Controllers;

use App\Models\Wallet;
use App\Services\WalletService;

Debit a Wallet Balance Safely with Row Locking in Laravel

laravel eloquent transactions
by codesnips 4 tabs
python 
from flask import jsonify
from marshmallow import ValidationError as MarshmallowValidationError
from werkzeug.exceptions import HTTPException


class ApiError(Exception):

Structured JSON Error Handling for Flask API Validation Failures

flask rest-api error-handling
by codesnips 3 tabs
rust 
#[derive(Debug, Clone, PartialEq)]
pub enum Line {
    Context(String),
    Remove(String),
    Add(String),
}

Parsing Unified Diff Hunks and Applying Them to a Text Buffer in Rust

diff unified-diff patch
by codesnips 3 tabs
python 
from sqlalchemy import select

from .models import Order, db


def stream_orders(batch_size=1000):

Stream a Large CSV Export in Flask With a Generator Response

flask streaming csv
by codesnips 3 tabs
java 
package com.example.rates.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.retry.annotation.EnableRetry;
import org.springframework.web.client.RestTemplate;

Retrying a Flaky External API with Spring Retry @Retryable and @Recover Fallback

spring-boot spring-retry resilience
by codesnips 4 tabs
php 
<?php

namespace App\Dto;

use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\Validator\Constraints as Assert;

Symfony Avatar Upload: Constrained Form Type, Image Validation, and an Uploader Service

symfony forms validation
by codesnips 4 tabs
java 
package com.example.http;

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;

Attaching Bearer Tokens to Spring RestClient Calls with a ClientHttpRequestInterceptor

spring-boot restclient interceptor
by codesnips 3 tabs
rust 
use std::path::{Component, Path, PathBuf};

#[derive(Debug)]
pub enum ResolveError {
    Traversal,
    NotFound,

Safely Serving Static Files with Path Traversal Protection in Rust

rust axum tokio
by codesnips 3 tabs