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Migrations & Seeding

What are migrations??

Migrations are a way to make database changes or updates, like creating or dropping tables, as well as updating a table with new columns with constraints via generated scripts. We can build these scripts via the command line using knex command line tool.

To learn more about migrations, check out this article on the different types of database migrations!

Creating/Dropping Tables

Code Evaluator Service

The goal of this project is to create and publish an API that allows users to evaluate code in different programming languages using isolated Docker containers.

Use cases for this project include an online IDE for pair programming, a remote interview tool and evaluation of challenges (like Make it Real), among others.

Before using this service users have to sign up so that they can grab a generated API Key that they have to use to authenticate the requests.

Assuming that the service is published in the domain http://eval.io/, it should be posible to make a POST to the path /v1/eval/<platform> where <platform> is one of the languages or platforms supported.

Reference for How to Write an Open Source JavaScript Library

The purpose of this document is to serve as a reference for:

How to Write an Open Source JavaScript Library course by Kent C. Dodds

Watch the series at egghead.io, if you haven't.

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

	# Bubble sort

	def swap(arr, idx1, idx2):
	temp = arr[idx1]
	arr[idx1] = arr[idx2]
	arr[idx2] = temp

	def bubbleSort(arr):
	for i in range(0, len(arr)):
	swapped = False

	<?php
	header("Content-Type:application/json");

	$dbhost = "DB_HOST";
	$dbuser = "DB_USER";
	$dbpass = "PASSWORD";
	$db = "TABLE";

	$conn = new mysqli($dbhost, $dbuser, $dbpass, $db);

	#!/usr/bin/env node

	var assert = require('assert');

	// Each lexed token is a array of three integers:
	// 1. the "token type": an index into the list of token patterns.
	// 2. the index into the input string marking the start of this token.
	// 3. the length of the token.

	// The list of "token types" which our lexer understands:

	package main

	import (
	"fmt"
	"net"
	"os"
	)

	const (
	CONN_HOST = "localhost"

	const express = require("express")
	const app = express()
	var passport = require("passport")
	var session = require("express-session")
	var GitHubStrategy = require("passport-github2").Strategy

	const GITHUB_CLIENT_ID = "your-client-id-here" // or get from process.env.GITHUB_CLIENT_ID
	const GITHUB_CLIENT_SECRET = "your-client-secret-here" // or get from process.env.GITHUB_CLIENT_SECRET
	const GITHUB_CALLBACK_URL = "http://localhost:5000/auth/github/callback" // or get from process.env.GITHUB_CALLBACK_URL

	const bot = require("./training");
	console.log("Hello I'm Bujo. Let's Talk :)");
	bot.converse();