codesnips

http

java 
package com.example.api.error;

import com.fasterxml.jackson.annotation.JsonInclude;

import java.time.Instant;
import java.util.List;

Structured Error Responses with @RestControllerAdvice in Spring Boot

spring-boot rest-api exception-handling
by codesnips 3 tabs
python 
from datetime import datetime
from app.extensions import db


class IdempotencyKey(db.Model):
    __tablename__ = "idempotency_keys"

Idempotency-Key Deduplication for POST Requests in a Flask Blueprint

flask idempotency postgres
by codesnips 3 tabs
php 
<?php

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

Throttled Last-Seen Tracking with Laravel Middleware and Redis Cache

laravel middleware redis
by codesnips 4 tabs
php 
<?php

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

Optimistic Locking With a Version Column in Laravel Eloquent

laravel eloquent optimistic-locking
by codesnips 4 tabs
go 
package store

import (
	"errors"
	"fmt"
	"time"

Wrapping Errors with Context and Inspecting Them via errors.Is and errors.As in Go

errors error-handling error-wrapping
by codesnips 3 tabs
typescript 
import { SetMetadata } from '@nestjs/common';

export const CACHEABLE_KEY = 'cacheable:options';

export type VaryDimension = 'user' | 'tenant' | 'query';

Per-Route Response Caching in NestJS with a Custom CacheInterceptor and Cache Key Builder

nestjs caching interceptors
by codesnips 4 tabs
typescript 
import { Injectable } from '@nestjs/common';

type Completed = { status: 'completed'; statusCode: number; body: unknown; expiresAt: number };
type InFlight = { status: 'in-flight'; startedAt: number };
type Record = Completed | InFlight;

Idempotency-Key Interceptor in NestJS to Debounce Duplicate Form Submissions

nestjs idempotency interceptor
by codesnips 4 tabs
go 
package api

import (
  "encoding/json"
  "net/http"
)

Consistent JSON responses (content-type + error envelopes)

go http json
by Leah Thompson 1 tab
typescript 
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable, throwError } from 'rxjs';
import { catchError, shareReplay } from 'rxjs/operators';

export interface Project {

Cache and Deduplicate HTTP GET Requests with shareReplay in an Angular Service

angular rxjs caching
by codesnips 3 tabs
go 
package validate

import (
	"regexp"
	"unicode/utf8"
)

Per-Field Signup Validation Errors With a Reusable Validator in Go

go validation http
by codesnips 2 tabs
typescript 
import { Injectable } from '@angular/core';
import { HttpClient, HttpParams } from '@angular/common/http';
import { Observable, of } from 'rxjs';
import { catchError } from 'rxjs/operators';

export interface SearchResult {

Debounced Typeahead Search in Angular with switchMap and Cancellation

angular rxjs typeahead
by codesnips 3 tabs
go 
package middleware

import (
  "net/http"
  "sync/atomic"
)

Track in-flight requests with atomic counters

go observability concurrency
by Leah Thompson 1 tab