olebedev

Sublime Text 2 – Useful Shortcuts (Mac OS X)

General

⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt

olebedev

((root, Library)-> 
  if typeof! define is \Function && typeof! define[\amd] is "Object" && define[\amd]?
    define <[ exports ]>, Library
  else
    Library = Library(typeof exports is "object" and exports or (root["Library"] = do
      noConflict: ((original) ->
        noConflict = ->
            root["Libraby"] = original
            delete! Library.noConflict
            Library

olebedev

MAIN_GOPATH=/usr/local/Cellar/go/1.2/workspace
export GOPATH=$MAIN_GOPATH
MAIN_PATH=$PATH:$GOPATH/bin
export PATH=$MAIN_PATH

# goenv functions
activate(){
  export GOPATH="$(cd "$(dirname "${BASH_SOURCE[0]}" )" && pwd)"
  export OLDPS1=$PS1
  export PS1="(go:$(basename $GOPATH)) $PS1"

olebedev

-- Sample script to make an HTTP request with query parameters
local response = http.request {
  url = 'http://www.random.org/integers/',
  params = {
      num=1, min=0, max=1, format='plain',
      rnd='new', col=1, base=10
  }
}
if tonumber(response.content) == 0 then
  return 'heads'

olebedev

var app = app || {
  id:         "unique application instance id",
  session_id: "unique session id",
  render: function(){
    console.log("%c %s","font-size: 50px;color:yellow;", 
      "chat changed!");
    console.table(chat);
  }
};

olebedev

#!/usr/bin/env bash
rm go-swarm.test || true
nohup go test -c -gcflags '-N -l' -work github.com/olebedev/go-swarm
WORK=$(cat nohup.out)
rm nohup.out
cgdb go-swarm.test -- -d ${WORK#WORK=} || rm go-swarm.test || true
# gdb --tui go-swarm.test -d ${WORK#WORK=} || rm go-swarm.test || true
rm go-swarm.test || true
echo ${WORK#WORK=}

olebedev

PID      = /tmp/awesome-golang-project.pid
GO_FILES = $(wildcard *.go)

serve:
	@make restart 
	@fswatch -o . | xargs -n1 -I{}  make restart || make kill

kill:
	@kill `cat $(PID)` || true

olebedev

How to cross compile Go with CGO programs for a different OS/Arch

It is possible to compile Go programs for a different OS, even though go build says otherwise.

You'll need:

• a valid toolchain for the platform/os you're targetting
• Go Tip (works on 1.1 and 1.2rc1 but you might as well be on tip)
• golang-crosscompile helper script https://github.com/davecheney/golang-crosscompile
• the patch provided

olebedev

package main

import (
    "fmt"
	  "log"
    "net"
    "net/mail"
	  "net/smtp"
    "crypto/tls"
)

olebedev

Deploy your own PaaS!

Setting up Dokku with DigitalOcean and Namecheap

..or how I made my own heroku in a few hours for $3.98.

This write-up owes a great deal to dscape's Node.js Deployments with Docker, Dokku, & Digital Ocean, the dokku project itself, and the fine folks working on dokku's issues. I took dscape's article as a starting point when trying this out but found some details lacking so I documented my own process for getting dokku up and running.

1. Get a domain