prnvbn

ticker := time.NewTicker(70 * time.Second)
quit := make(chan struct{})
go func() {
	for {
		select {
		case <-ticker.C:
			// do the task here
		case <-quit:
			ticker.Stop()
			return

prnvbn

func retry(attempts int, sleep time.Duration, f func() error) (err error) {
    for i := 0; i < attempts; i++ {
        if i > 0 {
            log.Println("retrying after error:", err)
            time.Sleep(sleep)
            sleep *= 2
        }
        err = f()
        if err == nil {
            return nil

prnvbn

func respondWithErrorMsg(w http.ResponseWriter, code int, msg string) {
	respondWithJSON(w, code, map[string]string{"error": msg})
}

func respondWithError(w http.ResponseWriter, code int, err error) {
	respondWithJSON(w, code, map[string]string{"error": err.Error()})
}

// respondWithJSON converts the payload into JSON and responds with it

prnvbn

unc remoteRun(user string, addr string, privateKey string, cmd string) (string, error) {
    // privateKey could be read from a file, or retrieved from another storage
    // source, such as the Secret Service / GNOME Keyring
    key, err := ssh.ParsePrivateKey([]byte(privateKey))
    if err != nil {
        return "", err
    }
    // Authentication
    config := &ssh.ClientConfig{
        User: user,

prnvbn

\usepackage{titlesec}
\titleformat{\section}[block]{\Large\bfseries\filcenter}{}{1em}{}
\titleformat{\subsection}[hang]{\filcenter\bfseries}{}{1em}{}

prnvbn

import json
import pytz
from pycountry import countries


def list_timezones_for_country(country_code):
    try:
        return pytz.country_timezones[country_code]
    except KeyError:
        return None

prnvbn

  "vim.leader": " ",
  "vim.foldfix": true,
  "vim.smartRelativeLine": true,
  "vim.useSystemClipboard": true,
  "vim.normalModeKeyBindings": [
    {
      "before": [
        "<leader>",
        "w"
      ],