bit4bit

# an opiniated docker-compose for the Art of PostgreSQL
# copy this file to docker-compose.yml and then:
# 1. copy extra resources to the same file
# 2. `docker-compose up`
# 3. open http://localhost:9088 with username admin@learn.dev and password admin
# 4. add connection to database db.dev using host `db.dev` database name `book` username `book` password `book`
# 5. `docker-compose down`
version: '3.7'
services:
  db.dev:

bit4bit

GUIXSD HANDLING NPM GLOBAL PACKAGES

Install package

# guix package -i node

Enable user handle global packages (npm)

bit4bit

package main

import (
	"flag"
	"golang.org/x/net/websocket"
	"io"
	"log"
	"net"
	"net/http"
	"os"

bit4bit

  function pollUrl(url, renderer) {
    return function(render){
      if(render == undefined) { render = renderer; }
      $.getJSON(url, function(data){
        render(data);
      }).always(function(){
        setTimeout(pollUrl(url, render), 5000);
      });
    };

bit4bit

//this can save a lot time of debugging

//check type assertion
if v, ok := varI.(T); ok {
..
}