heppu / gen.go

Created May 11, 2020 10:48

heppu / refactored_exception.go

Created January 26, 2019 11:37

	type FailingStorage struct{}
	func (f *FailingStorage) Add(k, v string) {
	throw exception.New("now we fail")
	}

	var s = NewSafeStorage(&FailingStorage{})
	func handleAdd(w http.ResponseWriter, r *http.Request) {
	key := r.Host
	value := r.Method

heppu / refactored_err_failing.go

Created January 26, 2019 11:27

	type FailingStorage struct{}
	func (f *FailingStorage) Add(k, v string) (err error) {
	return errors.New("now we fail")
	}

	var s = NewSafeStorage(&FailingStorage{})

heppu / refactored_err.go

Last active January 26, 2019 11:16

	type FailingStorage struct{}
	func (f *FailingStorage) Add(k, v string) (err error) {
	return errors.New("now we fail")
	}

	var s = NewSafeStorage(&FailingStorage{})
	func handleAdd(w http.ResponseWriter, r *http.Request) {
	key := r.Host
	value := r.Method

heppu / original.go

Last active January 26, 2019 11:16

	type storage struct{}
	func (s *storage) Add(k, v string) {}

	var s = NewSafeStorage(&storage{})
	func handleAdd(w http.ResponseWriter, r *http.Request) {
	key := r.Host
	value := r.Method

	s.Add(key, value)
	}

heppu / safe_storage_changes.go

Created January 26, 2019 10:05

	type Storage interface {
	Add(key, val string) error
	}

	func (s *SafeStorage) Add(key, val string) error {
	s.storageMu.Lock()
	defer s.storageMu.Unlock()
	return s.storage.Add(key, val)
	}

heppu / safe_storage.go

Created January 26, 2019 09:55

	type Storage interface {
	Add(key, val string)
	}

	type SafeStorage struct {
	storageMu *sync.Mutex
	storage Storage
	}

	func NewSafeStorage(storage Storage) *SafeStorage {

heppu / main.go

Last active June 28, 2017 10:08

Go http client file descriptor leak

	/*
	File that demostrates file descriptor leak
	in case the client forgets to close response body
	*/

	package main

	import (
	"fmt"
	"io/ioutil"

heppu / ARCH_INSTALL.MD

Last active May 1, 2025 18:13

Installing Arch with GPT, dm-crypt, LUKS, LVM and systemd-boot

Create bootable USB

dd bs=4M if=/path/to/archlinux.iso of=/dev/sdx status=progress oflag=sync

Boot from USB and set prepare system

loadkeys <your-keymap>

heppu / limitter.go

Last active December 9, 2016 08:21

Limit parallel goroutines with buffered channel.