codesnips

go

go 
package worker

import (
	"context"
	"errors"
	"log"

Fan-Out Worker Pool With Context Cancellation and Graceful Shutdown in Go

go concurrency goroutines
by codesnips 2 tabs
go 
package middleware

import (
  "net/http"

  "go.uber.org/zap"

Panic recovery middleware for HTTP servers

go http middleware
by Leah Thompson 1 tab
go 
package jobs

import (
  "context"
  "math/rand"
  "time"

Robfig cron jobs with context cancellation and jitter

go cron background-jobs
by Leah Thompson 1 tab
go 
package domain

import (
  "errors"
  "fmt"
)

Error wrapping that stays inspectable with errors.Is and errors.As

go errors api
by Leah Thompson 1 tab
go 
package middleware

import (
  "log"
  "net/http"
  "runtime/debug"

Panic recovery middleware that fails closed and logs context

go http middleware
by Leah Thompson 1 tab
go 
package pipeline

import "context"

func generate(ctx context.Context, nums ...int) <-chan int {
	out := make(chan int)

Fan-Out/Fan-In Pipeline With Channels and Context Cancellation in Go

go concurrency channels
by codesnips 3 tabs
go 
package paging

import (
  "encoding/base64"
  "encoding/json"
  "time"

Cursor pagination: opaque tokens with stable ordering

go api pagination
by Leah Thompson 1 tab
go 
package session

import (
	"crypto/hmac"
	"crypto/sha256"
	"encoding/base64"

Stateless Session Cookies Signed and Verified With HMAC in Go

go security cookies
by codesnips 3 tabs
go 
package web

import (
  "bytes"
  "html/template"
  "net/http"

Template rendering with html/template and strict escaping

go templates http
by Leah Thompson 1 tab
go 
package api

import "fmt"

type Resource struct {
	Type       string                 `json:"type"`

Serving Paginated JSON:API Collection Responses in Go

go jsonapi pagination
by codesnips 3 tabs
go 
package deps

import "sync"

type Lazy[T any] struct {
  once sync.Once

Lazy init of expensive clients with sync.Once

go concurrency sync
by Leah Thompson 1 tab
go 
package feed

import "time"

type Event struct {
	ID        string    `json:"id"`

Stream and Decode Newline-Delimited JSON (NDJSON) from an HTTP Response Body in Go

go ndjson streaming
by codesnips 3 tabs