How to restore DB from SQLC file
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`pg_restore -d db_name /path/to/sqlc/file.sqlc`

Move last commit to a feature branch
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When you accidentally commit to master/staging and need to move the commit to a feature branch

Fix libv8 / therubyracer installing error
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Sometimes, something unexpected grabs our attention - libv8 or therubyracer extensions installation error - here's how to get rid of them!

How to be up to date with Ruby and Ruby On Rails releases
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Ruby releases: https://www.ruby-lang.org/en/downloads/releases/ Ruby On Rails releases: https://rubygems.org/gems/rails/versions

Cleaning schema.rb
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Since [apartment](https://github.com/influitive/apartment) uses `schema.rb` as a source for new schemas, it is important to keep this file clean. Running mig...

How to add polish dictionary to postgres
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PostgreSQL dictionary consists of 3 files: * lang.dict * lang.affix * lang.stop # Generating dictionary files 1. Download the most recent polish Isp...

How to hold Mac from going into sleep?
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Every Mac owner knows how painful it is if their SSH session with a very important process just disconnects because of Mac going into sleep. Hopefully, there's a way to tell macOS that you don't want it to sleep - and here, you'll learn how to do it.

ThisPersonDoesNotExist, A Website That Uses AI To Make Fake Human Faces
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https://thispersondoesnotexist.com/ the website has the capabilities of conjuring up an image using the GAN algorithm. The GAN works by splitting the ta...

https://thispersondoesnotexist.com/

How to include logo into devise messages
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A quick guide how to include any file, in this case logo to devise messages

De Morgan's laws in Ruby
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The negation of a disjunction is the conjunction of the negations and The negation of a conjunction is the disjunction of the negations.

Rails ERD diagram visualisation online
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Manual: 1. Go to https://dbdiagram.io/d 2. Click *import* and choose *Import from Rails (schema.rb)* 3. Paste schema.rb content 4. voilĂ 

https://dbdiagram.io/d

How to run PostgreSQL if 'postmaster.pid' already exists
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How to run PostgreSQL if it isn't starting because 'postmaster.pid' already exists

Multiline method memoization in ruby
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Method memoization in ruby is easy when the method is one line long: ``` def something @something ||= # your calculations end ``` But when we hav...

RSpec rerun failures
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How to configure RSpec to rerun failed specs only

Implement .node-version file in Bash & NVM (Also for ZSH!)
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This snippet will allow you to automatically load node version stored in `.node-version` while changing current directory.

Ruby logger log levels
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OK, it seems obvious but I always spend several minutes finding it. So I think it's a good idea to put it here.

Brakeman - An awesome gem that scans your app against vulnerabilities.
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To use Brakeman, the only thing is to install the gem: ``` $ gem install brakeman ``` and then run the single command in Rails application's root dir...

https://github.com/presidentbeef/brakeman

Open Source GUI macOS archiver with support for 7-Zip
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This program will help you compress and extract 7-Zips (and other popular archive formats) without using command line.

https://www.keka.io/en/

How to Address a Lady in a Business Letter
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How to Address a Lady in a Business Letter? Here some advises. ## Not married `"Ms. #{last_name}"` or `"Miss #{last_name}"` ## Married `"Mrs. #{l...

Using comment notes in Rails
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In your code: ```ruby # TODO: fix this ``` In your shell: ```bash % rake notes ``` ```text config/routes.rb: * [ 1] [TODO] fix this ```

Set the same password for all users in one query
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Reset devise passwords quickly, even for thousands of users.

Amazing js library to manipulate rendered table - Tabulator.js
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Need filters, remote paginations, search field in table, selecting row and much more ... You will find everything in this library

http://tabulator.info/

Puppeteer - good library for generating pdf's from html.
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Puppeteer is node library providing high level chromium api. One of it's key features is generating pdf from html using chromium web engine. This is great ad...

https://github.com/GoogleChrome/puppeteer

Fix bundler error "can't find gem bundler (>= 0.a) with executable bundle"
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This error message seems to be related to network or Bundler issue, but it isn't - newer version of Bundler requires new version of RubyGems, which is not updated by default. Here, you'll see how to fix this issue.