codesnips

go

go 
package store

import (
	"context"
	"database/sql"
)

Propagating a Context Deadline for Per-Request Timeouts in Go HTTP Handlers

go context http
by codesnips 3 tabs
go 
package pool

import "context"

type Job func(ctx context.Context) error

Bounded worker pool with backpressure

go concurrency worker-pool
by Leah Thompson 1 tab
go 
package worker

import "context"

func (p *Pool) Submit(job Job) error {
	// Reject fast if draining, otherwise enqueue with backpressure.

Graceful Drain of In-Flight Jobs Before Worker Shutdown in Go

go graceful-shutdown concurrency
by codesnips 3 tabs
go 
package metrics

import "time"

type bucket struct {
	start time.Time

Time-Bucketed Metric Aggregation With a Concurrent Ring of Windows in Go

go metrics time-series
by codesnips 3 tabs
go 
package metrics

import (
  "net/http"
  "strconv"
  "time"

Prometheus metrics middleware capturing status + duration

go prometheus metrics
by Leah Thompson 1 tab
go 
package flags

import (
  "context"
  "encoding/json"
  "sync/atomic"

Feature flag snapshot with periodic refresh and atomic reads

go config reliability
by Leah Thompson 1 tab
go 
package export

import (
	"encoding/csv"
	"log"
	"net/http"

Streaming Large CSV Exports in Go Without Buffering the Whole File

go http csv
by codesnips 3 tabs
go 
package middleware

import (
  "net/http"

  "golang.org/x/time/rate"

Inbound rate limiting middleware with token bucket

go http rate-limit
by Leah Thompson 1 tab
go 
package pqueue

type Job struct {
	ID       string
	Payload  interface{}
	Priority int

Priority Job Queue in Go Backed by container/heap

go container-heap priority-queue
by codesnips 3 tabs
go 
package health

import (
  "context"
  "net"
  "net/http"

Readiness and liveness probes with dependency checks

go http kubernetes
by Leah Thompson 1 tab
go 
package domain

import "time"

type DomainEvent interface {
	EventName() string

Custom MarshalJSON for Domain Events With a Type Discriminator Envelope

go json serialization
by codesnips 3 tabs
go 
package store

import (
  "context"

  sq "github.com/Masterminds/squirrel"

Safe dynamic SQL with squirrel (optional filters, stable ordering)

go sql postgres
by Leah Thompson 1 tab