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Tutorial

128 posts tagged tutorial — the same founder-tested patterns, filtered.

Help shepherd to count sheep in Elixir

Help shepherd to count sheep in Elixir

I have been thinking about learning a functional language for a long time. So recently I’ve started to play around with Elixir.
Video player with React Native. Part 1: Expo

Video player with React Native. Part 1: Expo

Nowadays there are plenty of solutions to build an application for a mobile platform.
How to Setup a Project That Can Host Up to 1000 Users for Free

How to Setup a Project That Can Host Up to 1000 Users for Free

The Heroku-based stack we used to stand up an early Rails product: hosting, database, error tracking, monitoring and background jobs.
How To Memoize False and Nil Values

How To Memoize False and Nil Values

Memoizing with ||= breaks quietly when a method legitimately returns false or nil. Use defined?(@_result) instead, and here is why that works.
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How to Learn Ruby

Starting to learn a new programming language or a new framework every person faces a problem — what should I start studying with?
5 Steps to Add Remote Modals to Your Rails App

5 Steps to Add Remote Modals to Your Rails App

Sometimes you don’t want to write big JavaScript application just to have working remote modals in your rails application.
Speed up GitHub PR’s review of your React applications

Speed up GitHub PR’s review of your React applications

Would you like to speed up PR’s review of React application, when you use Jest snapshot testing?
Simplest step by step guide creating a post

Simplest step by step guide creating a post

Content creation guide for startups: Step-by-step process to create engaging blog posts. Master content marketing, build authority, attract customers ✓
Migrate from Sidekiq to Sidekiq.cr in Rails application

Migrate from Sidekiq to Sidekiq.cr in Rails application

Running Sidekiq jobs in Crystal from a Rails app: isolate the job behind a service first, then point that service at the Crystal worker.
How to have a clean CSS structure with RSCSS/ITCSS

How to have a clean CSS structure with RSCSS/ITCSS

Writing the CSS code is relatively simple. Learning a language is not a big problem and doesn’t take a lot of effort.

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