dhh

Vim Manipulation Cheat Sheet

Action

Key	Result
v	select
y	copy (yank)
c	change
d	delete

phortuin

Based on this blogpost.

Install with Homebrew:

$ brew install postgresql@14

(The version number 14 needs to be explicitly stated. The @ mark designates a version number is specified. If you need an older version of postgres, use postgresql@13, for example.)

omedale

class BinarySearchTree
  class Node
    attr_reader :key, :left, :right
#On initialization, the @key variable is set. This is used in the insert method below as the parent for the @left and @right nodes.
    def initialize( key )
      @key = key
      @left = nil
      @right = nil
    end

zhangshine

1. Install (TinyMCE 5.x)

npm install --save tinymce @tinymce/tinymce-react copy-webpack-plugin

2. Copy static files(tinymce skins) to public folder. Edit file next.config.js

const path = require('path');
const webpack = require('webpack');
const CopyPlugin = require('copy-webpack-plugin');

marekciupak

Validating HTTP parameters

Let's say you need to handle the following action:

class UsersController < ApplicationController
  def update
    user = User.find(id)
    result = update_user(user, attrs)
    

rachelandrew

Authors Guide: Article Template

Please submit your article including all of the information below. You can include this as a seperate file if you like - but please complete each section. Please use an online service to write your article, for example Dropbox Paper, Draft.in, Google Docs. For more help, see the editorial guide

Article Title

Ideally under 67 characters, what problem does this article solve?

Quick Summary

db0sch

If your master.key has been compromised, you might want to regenerate it.

No key regeneration feature at the moment. We have to do it manually.

1. Copy content of original credentials rails credentials:show somewhere temporarily.
2. Remove config/master.key and config/credentials.yml.enc
3. Run EDITOR=vim rails credentials:edit in the terminal: This command will create a new master.key and credentials.yml.enc if they do not exist.
4. Paste the original credentials you copied (step 1) in the new credentials file (and save + quit vim)
5. Add and Commit the file config/credentials.yml.enc

busypeoples

Introduction To Flow

Intended for developers interested in getting started with Flow. At the end of this introduction, you should have a solid understanding of Flow and how to apply it when building an application.

Part 1: Flow Fundamentals For JavaScript Developers

Covers all the basics needed to get started with Flow.

Part 2: Flow Fundamentals For ReactJS Developers

Covers all the basic needed to get started with Flow and ReactJS.

blaze182

# spec/support/requests/auth_helpers.rb

module Requests
  module AuthHelpers
    module Extensions
      def sign_in(user)
        let(:auth_helpers_auth_token) {
          self.public_send(user).create_new_auth_token
        }
      end

stevekinney

React && Firebase Workshop

Contact Information

• @stevekinney

Prequisite Setup

• A recent version of Node.js
• npm install -g create-react-app