For generic skin emulator with default apis (without google apis):
-
List All System Images Available for Download:
sdkmanager --list | grep system-images -
Download Image:
sdkmanager --install "system-images;android-29;default;x86"
| # Traversing arrays and objects in CoffeeScript | |
| # The array and object we use for testing | |
| arr = [1, 2, 3, 4, 5] | |
| obj = {a: 1, b: 2, c: 3, d: 4, e: 5} | |
| # 'in' has a different meaning in CoffeeScript than in JavaScript | |
| # CS: element in array -> JS: array.indexOf(element) >= 0 | |
| console.log '5 in arr: ' + (5 in arr) |
| HTTP status code symbols for Rails | |
| Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings. | |
| Status Code Symbol | |
| 1xx Informational | |
| 100 :continue | |
| 101 :switching_protocols | |
| 102 :processing |
| # mysql db backup and restore for rails | |
| # by David Lowenfels <[email protected]> 4/2011 | |
| require 'yaml' | |
| namespace :db do | |
| def backup_prep | |
| @directory = File.join(RAILS_ROOT, 'db', 'backup') | |
| @db = YAML::load( File.open( File.join(RAILS_ROOT, 'config', 'database.yml') ) )[ RAILS_ENV ] | |
| @db_params = "-u #{@db['username']} #{@db['database']}" |
| #1===========First code================ | |
| #!/usr/bin/env ruby | |
| databases = { | |
| :local_db => { | |
| :database => 'my_db', | |
| :username => 'root', | |
| :password => 'admin', | |
| :host => 'localhost' |
| // Error Codes for SignUp | |
| ERROR_OPERATION_NOT_ALLOWED` - Indicates that Anonymous accounts are not enabled. | |
| ERROR_WEAK_PASSWORD - If the password is not strong enough. | |
| ERROR_INVALID_EMAIL` - If the email address is malformed. | |
| ERROR_EMAIL_ALREADY_IN_USE - If the email is already in use by a different account. | |
| ERROR_INVALID_CREDENTIAL` - If the [email] address is malformed. | |
| // sending password reset email | |
| ERROR_INVALID_EMAIL` - If the [email] address is malformed. |
| # About Aliases: | |
| alias ls='ls --color=auto -F' | |
| alias grep='grep --color=auto' | |
| alias fgrep='fgrep --color=auto' | |
| alias egrep='egrep --color=auto' | |
| alias ll='ls -alF' | |
| alias la='ls -A' | |
| alias l='ls -CF' | |
| alias less="less -R " |
| # | |
| # Sidekiq auto start using systemd unit file for Ubuntu 16.04 | |
| # | |
| # Put this in /lib/systemd/system (Ubuntu). | |
| # Run: | |
| # 1. systemctl enable sidekiq (to enable sidekiq service) | |
| # 2. systemctl {start,stop,restart} sidekiq (to start sidekiq service) | |
| # | |
| # This file corresponds to a single Sidekiq process. Add multiple copies | |
| # to run multiple processes (sidekiq-1, sidekiq-2, etc). |