adamluzsi

#!/usr/bin/env bash

function _comp_go-subcmd() {
	local cmd=${1:?"cmd is required"}
	local cur=${COMP_WORDS[COMP_CWORD]}

	# try find completion for cmd options
	if _comp_go-subcmd-opts "${cmd}"; then
		return 0
	fi

adamluzsi

• Verify the high level business goals are met with the implementation from product point of view
• Look for scalability issues
• Outline and note down high level tasks / issues
• Verify code longterm testability
• Check code behavior runtime observability
• Look for high level design principle violation
  • antipatterns against 12 factor app
  • lack view/entity/bussiness-logic layer isolation

adamluzsi

#!/bin/sh

source_up_all() {
	local originalPWD=$(pwd)
	local currentPWD=${originalPWD}

	while [ "${currentPWD}" != "/" ]; do
		cd ..
		currentPWD=$(pwd)

adamluzsi

## I expect this to fail when string passed as first argument
"bash -i -c 'echo hello world'"
#>bash: bash -i -c 'echo hello world': command not found...

## I expect this to fail when string " is around ${@}, but well...
$ function asdf() { "${@}"; }
$ asdf bash -i -c 'echo hello world'
#>hello world

## I expect an empty string value

adamluzsi

package main

import (
	"bytes"
	"encoding/xml"
	"fmt"
	"io"
	"log"
	"strings"
)

adamluzsi

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package time

const (
	_                        = iota
	stdLongMonth             = iota + stdNeedDate  // "January"
	stdMonth                                       // "Jan"

adamluzsi

package x

// interface TYpe based switch
func handlerForInterface(handler interface{}) EventHandler { 
    switch v := handler.(type) { 
    case func(*Session, interface{}):  
        return interfaceEventHandler(v) 
    case func(*Session, *ChannelCreate):  
        return channelCreateEventHandler(v) 
    case func(*Session, *ChannelDelete): 

adamluzsi

• CTRL+u
  • clears from cursor to beginning of line
• CTRL+k
  • clears from cursor to end of line
• CTRL+d
  • clears one character to the right of the cursor
• Esc+Backspace
  • clears one word to the left of the cursor
• Esc+d
• clears one word to the right of the cursor

adamluzsi

CGO_ENABLED=0 go build -a -ldflags '-extldflags "-static"' .

adamluzsi

package main 

var flagAlias = map[string]string{
	"long-version": "lv",
}

func init() {
	for from, to := range flagAlias {
		flagSet := flag.Lookup(from)
		cli.Var(flagSet.Value, to, fmt.Sprintf("alias to %s", flagSet.Name))