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@alexedwards
alexedwards / cache.go
Last active April 10, 2024 00:53
Generic in-memory cache implementation in Go
package cache
import (
"sync"
"time"
)
// Cache is a basic in-memory key-value cache implementation.
type Cache[K comparable, V any] struct {
items map[K]V // The map storing key-value pairs.
@alexedwards
alexedwards / go-update
Created November 22, 2023 14:53
Bash script for updating Go
#!/bin/bash
# Check if the version argument is provided
if [ $# -ne 1 ]; then
echo "Usage: $0 <go_version>"
exit 1
fi
# Version number provided as an argument
version="$1"
@alexedwards
alexedwards / go-update.sh
Last active November 2, 2023 08:59
Bash script to update Go on linux-amd64 (generated using Chat GPT)
#!/bin/bash
# Check if the version argument is provided
if [ $# -ne 1 ]; then
echo "Usage: $0 <go_version>"
exit 1
fi
# Version number provided as an argument
version="$1"
@alexedwards
alexedwards / Makefile
Created May 2, 2023 16:04
Makefile targets for working with sqlite
## db/connect: create to the local database
.PHONY: db/connect
db/connect:
sqlite3 db.sqlite
## db/migrations/new name=$1: create a new migration
.PHONY: db/migrations/new
db/migrations/new:
go run -tags 'sqlite3' github.com/golang-migrate/migrate/v4/cmd/migrate@latest create -seq -ext=.sql -dir=./resources/migrations ${name}
@alexedwards
alexedwards / Makefile
Last active May 18, 2024 13:56
Boilerplate Makefile for Go projects
# Change these variables as necessary.
MAIN_PACKAGE_PATH := ./cmd/example
BINARY_NAME := example
# ==================================================================================== #
# HELPERS
# ==================================================================================== #
## help: print this help message
.PHONY: help
package main
import (
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net/http"
"strings"
name: Audit and deploy
on:
push:
branches: [main]
pull_request:
branches: [main]
jobs:
name: Audit
on:
push:
branches:
- main
pull_request:
branches:
- main
@alexedwards
alexedwards / index.html
Last active September 17, 2021 09:56
HTML skeleton
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Your Page Title</title>
<meta name="description" content="Brief description">
<meta name="author" content="Your name">
func (app *application) showMovieHandler(w http.ResponseWriter, r *http.Request) {
id, err := app.readIDParam(r)
if err != nil {
// IT'S THIS LINE HERE THAT YOU NEED TO CHANGE to use the new notFoundResponse() helper.
app.notFoundResponse(w, r)
return
}
movie := data.Movie{
ID: id,
CreatedAt: time.Now(),