View concurrent_parallel_procs.rb
# ruby 2.6.5 | |
# concurrent-ruby (1.1.5) | |
# parallel (1.19.1) | |
gem 'concurrent-ruby' | |
gem 'parallel' | |
require 'parallel' | |
require 'concurrent-ruby' |
View commands
$ git log --oneline | |
$ git log --oneline --decorate | |
$ git log --oneline --decorate --all | |
$ git log --oneline --decorate --all --graph | |
$ git log --oneline --decorate --all --graph --simplify-by-decoration | |
$ git reset ~HEAD | |
$ git commit --amend |
View ruby_custom_field_with_postgresql_and_metaprogramming.rb
begin | |
require 'bundler/inline' | |
rescue LoadError => e | |
$stderr.puts 'Bundler version 1.10 or later is required. Update your Bundler' | |
raise e | |
end | |
gemfile(true) do | |
source 'https://rubygems.org' | |
gem 'activerecord', '5.1.3' |
View docker-and-docker-compose-commands.bash
docker build -t friendlyname . # Create image using this directory's Dockerfile | |
docker run -p 4000:80 friendlyname # Run "friendlyname" mapping port 4000 to 80 | |
docker run -d -p 4000:80 friendlyname # Same thing, but in detached mode | |
docker ps # See a list of all running containers | |
docker stop <hash> # Gracefully stop the specified container | |
docker ps -a # See a list of all containers, even the ones not running | |
docker kill <hash> # Force shutdown of the specified container | |
docker rm <hash> # Remove the specified container from this machine | |
docker rm $(docker ps -a -q) |
View person.rb
class Person < ApplicationRecord | |
## HSTORE | |
# person.metadata = { number: '100', data: { nested_data: { value: 100 } }} | |
# Person.order("metadata -> 'number' DESC") | |
# Person.search({s:['metadata_number DESC']}).result | |
# Does not support | |
# Person.search({metadata_number_gteq: '100'}).result | |
ransacker :metadata_number do |parent| |
View usefull commands
# Change ssh port | |
sudo vi /etc/ssh/sshd_config | |
port 22 | |
sudo service ssh restart | |
# Language problem solution | |
sudo vi /etc/environment | |
LC_ALL="en_US.utf8" | |
LANGUAGE="en_US.utf8" | |
sudo dpkg-reconfigure locales |
View add-ssh-keys.sh
# Deploy user | |
deploy_user=deploy | |
# Github usernames for access with ssh to deploy user. They should be separater with one space. | |
usernames=(ismailakbudak) | |
# Check user is exist, maybe some errors occurred | |
id -u $deploy_user &> /dev/null | |
if [ $? -ne 0 ] | |
then |
View server-base.sh
## Run this script with root user | |
# After installation check this | |
# vi /etc/ssh/sshd_config # Change ssh post | |
# vi /etc/environment # Write below locales | |
# LANGUAGE="en_US.utf8" | |
# LC_ALL="en_US.utf8" | |
# dpkg-reconfigure locales # Configure locales | |
## Fancy echo | |
fancy_echo() { |
View deploy-user-ruby-environment.sh
## Run this command with deploy user | |
# define user home path | |
user_path=/home/deploy | |
## Fancy echo | |
fancy_echo() { | |
printf "\n%b\n" "$1" | |
} | |
fancy_echo "Installing rbenv..." | |
git clone git://github.com/sstephenson/rbenv.git $user_path/.rbenv |
View deploy-user.sh
# Deploy group | |
deploy_group=deploy | |
# Deploy user | |
deploy_user=deploy | |
# Github usernames for access with ssh to deploy user | |
usernames=(tayfunoziserikan ismailakbudak) | |
# Check user is exist | |
id -u $deploy_user &> /dev/null | |
if [ $? -ne 0 ] |
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