paramaw

Installing Cassandra on Mac OS X

Install Homebrew

Homebrew is a great little package manager for OS X. If you haven't already, installing it is pretty easy:

ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"

paramaw

// This script loops though the list of collection names in a MongoDB and runs the compact operation on them
// Simply paste this into the Mongo shell

use testDbName;
db.getCollectionNames().forEach(function (collectionName) {
    print('Compacting: ' + collectionName);
    db.runCommand({ compact: collectionName, force: true });
});

paramaw

# TO FIND OUT WHICH COLLECTIONS ARE THE LARGEST (MONGODB CONSOLE)
var collectionNames = db.getCollectionNames(), stats = [];
collectionNames.forEach(function (n) { try{ stats.push(db[n].stats());}catch(e){} });
stats = stats.sort(function(a, b) { return b['storageSize'] - a['storageSize']; });
for (var c in stats) { print(stats[c]['ns'] + ": " + stats[c]['size'] + " (" + stats[c]['storageSize']/1024/1024/1024 + " GB)"); }


# AND TO DELETE A COLLEECTION IN Henhouse Rails console:

collections = %W(

paramaw

paramaw@ParamaPro:keychain-proxy (master) rails c
A syntax error has occurred:
    unknown type of % string: /Users/paramaw/.rvm/gems/rbx-2.2.10/gems/vk-ruby-1.0.1/lib/vk-ruby/params.rb:41:7

Code:
    %i[host verb timeout open_timeout ssl proxy middlewares stack].inject(options.dup) do |result, name|
      ^

Backtrace:

paramaw

# include this in application controller
module Authentication
  protected
    # Inclusion hook to make #current_user and #signed_in?
    # available as ActionView helper methods.
    def self.included(base)
      base.send :helper_method, :current_user, :signed_in?, :authorized? if base.respond_to? :helper_method
    end
    
    # Returns true or false if the user is signed in.

paramaw

hello test gist