Kotauror

srand in RSPEC stubbing.

Without further ado - some thoughts on how to use srand in RSPEC testing. Example at the end.

How does the srand work line by line.

Line	Input	Output
1	srand(4)	281462327676453734791076087004180619592

Kotauror

Ruby + Postgresql - understanding the magic.

This is my early attempt at understanding the magic which makes my ruby app work and connect to postgresql database.

Program at the moment:

CONTROLLER :

app.rb

require 'sinatra/base'

Kotauror

FizzBuzz in Javascript line by line.

With comparisons to Ruby.

function FizzBuzz() {

}

• First we create a function FizzBuzz that takes no arguments.

Kotauror

Events in jQuery - How to make an HTML form interact with JS.

Caution: MINDBLOWING!

[[[ EDIT ----- I've found an easier way to get the information from form - update at the end ]]]

I would like to share with you a thing that I've learned today. Thank you Sofie and Matt for helping me understand that.

Let's get straight into the problem. I have a static html website with (among others) a form to increase a temperature.

Kotauror

Sequelize - basic notes.

This note contains some remarks on my first (and painful) attempt to switch from ruby+postgres to javascript+postgres.

// thanks to Marcus & Ben for the introduction.

SETUP:

$ npm init -y

Kotauror

Promise object in JS

This note is my attempt at explaining the idea of a promise object in JS.

Learning javascript as the second language, right after Ruby, is sometimes hard, as the path from zero to JS-hero is full of new - unknown to Ruby - concepts. One of them is a promise object that I happened uppon while creating my first end-to-end JS application.

Background

For an MVP I was supposed to write an application which:

• allows user to add posts (listings) on the website,

Kotauror

Playing with functions in JS

This note's purpose is to solidify knowledge on how to construct and use different types of functions in JS.

Constructors

Constructors are functions which allow to share behavior by their instances. They're basically like classes in Ruby.

var Party = function() {

Kotauror

Limiting the scope in JS by using module pattern

JS, unlike Ruby, doesn't have classes to separate concerns or the concept of private method. In order to limit the scope of of our code, we can use the module pattern that will make some code available while keeping other parts of code hidden.

Code basis

Question.js

Kotauror

Setting up a JS testing framework from scratch.

Without any libraries.

// This note is a summary of work of the Moisty team, week 7 of Makers Academy. Thank you Laura, Daniel, Josue, Josh and Terry.

// Check out the full repo here: https://github.com/lwkchan/moisty.

Files

Kotauror

More notes on functions in JS

Putting () at the end of an attribute that stores a function.

var Game = function() {};

Game.prototype.beforeGame = function(callback) {
 this.runBeforeGame = callback;
};