Optimize Gradle build

org.gradle.daemon=true
org.gradle.parallel=true

References
https://medium.com/@cesarmcferreira/speeding-up-gradle-builds-619c442113cb#.ihlmwq8zk

Google Linux Software Repositories

wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | sudo apt-key add -
sudo sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
sudo apt-get update 
deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main

References
https://www.google.com/linuxrepositories/
http://www.ubuntuupdates.org/ppa/google_chrome
http://askubuntu.com/questions/741850/repository-failure-with-google-chrome

Install Tor and Polipo on Ubuntu

### Basic configuration
### *******************

# Uncomment one of these if you want to allow remote clients to
# connect:

# proxyAddress = "::0" # both IPv4 and IPv6
# proxyAddress = "0.0.0.0" # IPv4 only

proxyAddress = "127.0.0.1"
proxyPort = 8118

# If you do that, you'll want to restrict the set of hosts allowed to
# connect:

# allowedClients = "127.0.0.1, 134.157.168.57"
# allowedClients = "127.0.0.1, 134.157.168.0/24"

allowedClients = 127.0.0.1
allowedPorts = 1-65535

# Uncomment this if you want your Polipo to identify itself by
# something else than the host name:

proxyName = "localhost"

# Uncomment this if there's only one user using this instance of Polipo:

cacheIsShared = false

# Uncomment this if you want to use a parent proxy:

# parentProxy = "squid.example.org:3128"

# Uncomment this if you want to use a parent SOCKS proxy:

socksParentProxy = "localhost:9050"
socksProxyType = socks5

References
http://www.binarytides.com/install-tor-vidalia-and-polipo-on-ubuntu/

animate.css

Dynamically add animations using jQuery with ease:

$('#yourElement').addClass('animated bounceOutLeft');

You can also detect when an animation ends:

$('#yourElement').one('webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend', doSomething);

You can change the duration of your animations, add a delay or change the number of times that it plays:

#yourElement {
  -vendor-animation-duration: 3s;
  -vendor-animation-delay: 2s;
  -vendor-animation-iteration-count: infinite;
}

References
https://github.com/daneden/animate.css
https://daneden.github.io/animate.css/

npm package.json

  • ~version “Approximately equivalent to version” See npm semver – Tilde Ranges & semver (7)
  • ^version “Compatible with version” See npm semver – Caret Ranges & semver (7)
  • version Must match version exactly
  • >version Must be greater than version
  • >=version etc
  • <version
  • <=version
  • 1.2.x 1.2.0, 1.2.1, etc., but not 1.3.0
  • http://sometarballurl (this may be the URL of a tarball which will be downloaded and installed locally
  • * Matches any version
  • latest Obtains latest release

References
http://stackoverflow.com/questions/22343224/difference-between-tilde-and-caret-in-package-json

PM2 CheatSheet

 

# Fork mode
$ pm2 start app.js --name my-api # Name process

# Cluster mode
$ pm2 start app.js -i 0        # Will start maximum processes with LB depending on available CPUs
$ pm2 start app.js -i max      # Same as above, but deprecated yet.

# Listing

$ pm2 list               # Display all processes status
$ pm2 jlist              # Print process list in raw JSON
$ pm2 prettylist         # Print process list in beautified JSON

$ pm2 describe 0         # Display all informations about a specific process

$ pm2 monit              # Monitor all processes

# Logs

$ pm2 logs [--raw]       # Display all processes logs in streaming
$ pm2 flush              # Empty all log file
$ pm2 reloadLogs         # Reload all logs

# Actions

$ pm2 stop all           # Stop all processes
$ pm2 restart all        # Restart all processes

$ pm2 reload all         # Will 0s downtime reload (for NETWORKED apps)
$ pm2 gracefulReload all # Send exit message then reload (for networked apps)

$ pm2 stop 0             # Stop specific process id
$ pm2 restart 0          # Restart specific process id

$ pm2 delete 0           # Will remove process from pm2 list
$ pm2 delete all         # Will remove all processes from pm2 list

# Misc

$ pm2 reset <process>    # Reset meta data (restarted time...)
$ pm2 updatePM2          # Update in memory pm2
$ pm2 ping               # Ensure pm2 daemon has been launched
$ pm2 sendSignal SIGUSR2 my-app # Send system signal to script
$ pm2 start app.js --no-daemon
$ pm2 start app.js --no-vizion
$ pm2 start app.js --no-autorestart
$ pm2 start app.js           # Start app.js

$ pm2 start app.js -- -a 23  # Pass arguments '-a 23' argument to app.js script

$ pm2 start app.js --name serverone # Start a process and name it as serverone
                                    # you can now stop the process by doing
                                    # pm2 stop serverone

$ pm2 start app.js --node-args="--debug=7001" # --node-args to pass options to node V8

$ pm2 start app.js -i 0             # Start maximum processes depending on available CPUs (cluster mode)

$ pm2 start app.js --log-date-format "YYYY-MM-DD HH:mm Z"    # Log will be prefixed with custom time format

$ pm2 start app.json                # Start processes with options declared in app.json
                                    # Go to chapter Multi process JSON declaration for more

$ pm2 start app.js -e err.log -o out.log  # Start and specify error and out log
$ pm2 start echo.pl --interpreter=perl

$ pm2 start echo.coffee
$ pm2 start echo.php
$ pm2 start echo.py
$ pm2 start echo.sh
$ pm2 start echo.rb
{
  ".sh": "bash",
  ".py": "python",
  ".rb": "ruby",
  ".coffee" : "coffee",
  ".php": "php",
  ".pl" : "perl",
  ".js" : "node"
}

References
http://pm2.keymetrics.io/docs/usage/quick-start/#cheatsheet