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elixir Featured

Elixir - basic api guide

Elixir api guide Elixir represents relatively new programming language for wider audience. His main trait is that adops functional pardigm because it is built on top of Erlang and runs on BEAM(Erlang VM).

ruby for beginners

Ruby Programming: Beginner's Guide [2018 update]

We are writing this brief tutorial on how to easily get into Ruby programming language and Ruby on Rails framework so our community can grow with new developers. First thing first. Ruby on Rails framework is based on Ruby programming language, and the learning should start from learning Ruby. Before

react

React: First Steps

ReactJS [https://reactjs.org/] is a javascript library for building UIs. Although it's nowhere strictly defined, the idea with React is to follow the component-based ideology. Its declarative views make the code more predictable and easier to debug. We use ReactJS combined with Webpack [https://webpack.js.org/] as a

lean

Lean and Agile – Enemies or Friends?

If you aren't an educated and/or experienced tech person, a lot of question marks may pop up in your mind while looking at these two terms: Lean and Agile. Even if you are technically proficient, you may wonder what the difference between these two really is. No worries, we

startup

Startup Team – How to Make One Work in 4 Steps

In order to get any vision realized, you need people. The right people. The dream team is what makes the dreams come true. As a startup, you have started from scratch, being guided only by your ideas. It took a lot of effort to find the capital, the equipment, to

internship

Boot Camp - Place Where We Build Developers

We are excited to announce that our three-week-long boot camp is about to start. 22nd of August is just around the corner and we are fully preparing for it. We have chosen five developers from a group of 100 applicants, who will be trained to become rock solid full-stack developers

killing process

Killing (Almost) Any Process on Linux

Have you ever accidentally turned off your Rails server with ctrl+Z? I know I did and here are some simple guidelines to kill that Rails server process so you can restart it again. Find PID of process you want to turn off Open terminal and type lsof -i :number_

database

Migrating Database from Heroku to Ubuntu

You created your own server, and now you would like to move all of your apps on Heroku to your custom server, right? If so, the first thing to do is to move your database from Heroku to a new server. Here are the steps that explain how to do

javascript

Lodash Library Usage Examples

Using Lodash library will make writing JS code so much easier. The good definition is: "Applicative programming is the pattern of defining a function that takes a function and then invokes that function for each element in a collection/list". It has a very nice documentation [https://lodash.com/docs]

rails

Setting up BrowserSync with Rails

Have you ever worked on some front-end stuff and you had to refresh your web page every time you do some changes? Well, BrowserSync does that for you! To enable it in your rails app, you should: Install Node.js You can find installation instructions here [https://nodejs.org/en/

rails

Elastic Search on Rails

Elastic Search is a mirror DB with indexes of your existing DB, which is searchable trough JSON API. In order to perform the search you will need to have the data synced between your DB and Elastic Search. This can be done via rivers to pull data from your application

cucumber

Setting up VCR and Webmock for Cucumber Testing

In order to setup VCR and webmock for Cucumber testing you should: Add webmock and VCR gems to your Gemfile.rb: #Gemfile.rb group :test do gem 'webmock' gem 'vcr' end Add file called vcr_setup.rb in your /features/support/ folder that will be used for VCR configuration. # features/

cucumber

Cucumber Cheat Sheet (2018 update)

A Cucumber is a software tool based on Behavior Driven Development (BDD) framework which is used to write acceptance tests for the web application. The tests are written in easily readable and understandable format for Business Analysts, Developers and Testers. It is like reading plain English texts! Syntax Cucumber tests

rails

Live Reload for Rails

Have you ever wanted to make changes in your Rails app and immediately see the changes in Browser? If so, you can consider using Live Reload Rails feature. Install Live Reload Ubuntu sudo apt-get install python-livereload Install Chrome extension https://chrome.google.com/webstore/detail/livereload Enable http fecth in

ubuntu

Server Firewall Configuration

There are two ways in which you can think about server firewall security. The easy way or the hard way. The easy way would be to start thinking before something bad has happened to your server. We are sure that you can figure out on you own what the hard

install

Install Mongo DB

In order to install Mongo DB you should create a bash script and run following lines: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv 7F0CEB10 sudo echo "deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" | tee -a /etc/apt/sources.list.d/10gen.list sudo apt-get -y update sudo

nodejs

Install NodeJS on Ubuntu

Installing NodeJS on Ubuntu machine takes a few easy steps: sudo apt-get install python-software-properties python g++ make sudo add-apt-repository ppa:chris-lea/node.js sudo apt-get update sudo apt-get install nodejs Node Package Manager (npm) is installed along the way.

install

Install Ruby on Rails on Ubuntu

Instructions on how to install Ruby on Rails on Ubuntu are pretty easy. You can copy paste following code and save it in the script and execute it. This way it will install everything in one go. Full installation of Ruby on Ubuntu usually takes around 10-15 minutes. If you

bashrc file

Bashrc Tweaks for Ruby

After a long time of using the .bashrc file to store our commands here, we share some of our tricks to make the most out of a .bashrc file. Alias methods for shorter commands We put our most commonly used commands in the bashrc file under alias methods: alias rs=

rails

Rails Delegate

A model should only talk to its immediate association. According to the Law of Demeter, you shouldn’t talk to the association’s property or association’s association. Here we talk about Rails delegate approach. BAD SMELL class Profile < ActiveRecord::Base belongs_to :user end <%= @profile.user.address %> <%= @profile.user.

ubuntu

Ubuntu Run Script on Start up

In order to run a custom script on startup on Linux/Ubuntu system, you can follow these steps: Create custom file e.g. startup_script in your home folder: vim startup_script Then edit script and enter following: cd /home/SOME_USER/projects/YOUR_AWESOME_FOLDER/; bundle exec rails s

ruby on rails

Ruby on Rails Code Quality

In this article, we will point out steps on what can you do in order to improve your code quality in Ruby on Rails apps that you are building. Follow up Ruby style guide Yes, let’s start with the basics. You can read community-driven Ruby style guide at https:

rails

Learn jQuery with Rails

In order to learn jQuery fast, and use it within your Ruby on Rails project, we would advise following steps: Learn basics of JavaScript You can freely skip some steps here and there which you find that you already know. https://www.codecademy.com/learn/javascript Learn basics of jQuery