Results for require-node-example

An example for how to use npm package: require-node & require-node-loader

Determines if an object can be used as an array

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

AWS credential provider that sources credentials from a Node.JS environment.

A Node.js module for sending notifications on native Mac, Windows (post and pre 8) and Linux (or Growl as fallback)

Is this specifier a node.js core module?

evaluate statically-analyzable expressions

Node.js native addon binary install tool

Native Abstractions for Node.js: C++ header for Node 0.8 -> 26 compatibility

The core `url` packaged standalone for use with Browserify.

Tools for running an osascripts in Node

Helper module for loading your native module's .node file

parse argument options

Constants and utilities about visitor keys to traverse AST.

Reuse objects and functions with style

Common layer to be used by crypto libraries based on WebCrypto API for input validation.

resolve like require.resolve() on behalf of files asynchronously and synchronously

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

node's assert.deepEqual algorithm

the mighty option parser used by yargs

Determine if the current node version supports the `--preserve-symlinks` flag.

parser for xcodeproj/project.pbxproj files

Generic resource pooling for Node.JS

detect possibly catastrophic, exponential-time regular expressions

GQLite is a Rust-language library, with a C interface, that implements a small, fast, self-contained, high-reliability, full-featured, Graph Query database engine. GQLite support multiple database backends, such as SQLite and redb. This enable to achieve high performance and for application to combine Graph queries with traditional SQL queries. GQLite source code is license under the [MIT License](LICENSE) and is free to everyone to use for any purpose. The official repositories contains bindings/APIs for C, C++, Python, Ruby and Crystal. The library is still in its early stage, but it is now fully functional. Development effort has now slowed down and new features are added on a by-need basis. It supports a subset of OpenCypher, with some ISO GQL extensions. Example of use -------------- ```ruby require 'gqlite' begin # Create a database on the file "test.db" connection = GQLite::Connection.new filename: "test.db" # Execute a simple query to create a node and return all the nodes value = connection.execute_oc_query("CREATE () MATCH (n) RETURN n") # Print the result if value.nil? puts "Empty results" else puts "Results are #{value.to_s}" end rescue GQLite::Error => ex # Report any error puts "An error has occured: #{ex.message}" end ``` The documentation for the GQL query language can found in [OpenCypher](https://auksys.org/documentation/5/libraries/gqlite/opencypher/) and for the [API](https://auksys.org/documentation/5/libraries/gqlite/api/).

= DESCRIPTION: Provides a Chef handler which can report run status, including any changes that were made, to a Graylog2 server. In the case of failed runs a backtrace will be included in the details reported. = REQUIREMENTS: * A Graylog2 server running somewhere. = USAGE: This example makes of the chef_handler cookbook, place some thing like this in cookbooks/chef_handler/recipes/gelf.rb and add it to your run list. It also assumes your Graylog2 server has set the attribute rsyslog_server to true. log_server = search(:node, "rsyslog_server:true").first if log_server include_recipe "chef_handler::default" gem_package "chef-gelf" do action :nothing end.run_action(:install) # Make sure the newly installed Gem is loaded. Gem.clear_paths require 'chef/gelf' chef_handler "Chef::GELF::Handler" do source "chef/gelf" arguments({ :server => log_server['fqdn'] }) supports :exception => true, :report => true end.run_action(:enable) end Arguments take the form of an options hash, with the following options: * :server - The server to send messages to. * :port (12201) - The port to send on. * :facility (chef-client) - The facility to report under. * :host (node.fqdn) - The host to report messages as coming from. * :blacklist ({}) - A hash of cookbooks, resources and actions to ignore in the change list. = BLACKLISTING: Some resources report themselves as having updated on every run even if nothing changed, or are just things you don't care about. To reduce the amount of noise in your logs these can be ignored by providing a blacklist. In this example we don't want to be told about the GELF handler being activated: chef_handler "Chef::GELF::Handler" do source "chef/gelf" arguments({ :server => log_server['fqdn'], :blacklist => { "chef_handler" => { "chef_handler" => [ "nothing", "enable" ] } } }) supports :exception => true, :report => true end.run_action(:enable) = LICENSE and AUTHOR: Author:: Jon Wood (<jon@blankpad.net>) Copyright:: 2011, Blank Pad Development Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

ROS Ruby Client: rosruby ======= [ROS](http://ros.org) is Robot Operating System developed by [Willow Garage](http://www.willowgarage.com/) and open source communities. This project supports ruby ROS client. You can program robots by ruby, very easily. **Homepage**: http://otl.github.com/rosruby **Git**: http://github.com/OTL/rosruby **Author**: Takashi Ogura **Copyright**: 2012 **License**: new BSD License **Latest Version**: 0.2.0 Requirements ---------- - ruby (1.8.x/1.9.x) - ROS (electric/fuerte) - ROS requires python2.7 or more libraries Let's start --------------- Install ROS and ruby first. ROS document is [http://ros.org/wiki/ROS/Installation](http://ros.org/wiki/ROS/Installation) . You can install ruby by apt. ```bash $ sudo apt-get install ruby ``` Download rosruby into your ROS_PACKAGE_PATH. ````bash $ git clone git://github.com/OTL/rosruby.git ``` please add RUBYLIB environment variable, like below (if you are using bash). ```bash $ echo "export RUBYLIB=`rospack find rosruby`/lib" >> ~/.bashrc $ source ~/.bashrc ``` To use with precompiled electric release ----------------------- If you are using precompiled ROS distro, use the msg/srv generation script (rosruby_genmsg.py) If you are using ROS from source, it requires just recompile the msg/srv packages by rosmake rosruby. ```bash $ rosrun rosruby rosruby_genmsg.py ``` This converts msg/srv to .rb which is needed by sample programs. If you want to make other packages, add package names for args. For example, ```bash $ rosrun rosruby rosruby_genmsg.py geometry_msgs nav_msgs ``` Sample Source -------------- ## Subscriber ```ruby #!/usr/bin/env ruby require 'ros' require 'std_msgs/String' node = ROS::Node.new('/rosruby/sample_subscriber') node.subscribe('/chatter', Std_msgs::String) do |msg| puts "message come! = \'#{msg.data}\'" end while node.ok? node.spin_once sleep(1) end ``` ## Publisher ```ruby #!/usr/bin/env ruby require 'ros' require 'std_msgs/String' node = ROS::Node.new('/rosruby/sample_publisher') publisher = node.advertise('/chatter', Std_msgs::String) msg = Std_msgs::String.new i = 0 while node.ok? msg.data = "Hello, rosruby!: #{i}" publisher.publish(msg) sleep(1.0) i += 1 end ``` Note ---------------- Ruby requires 'Start with Capital letter' for class or module names. So please use **S**td_msgs::String class instead of **s**td_msgs::String. Try Publish and Subscribe ---------------------- You needs three terminal as it is often for ROS users. Then you run roscore if is not running. ```bash $ roscore ``` run publisher sample ```bash $ rosrun rosruby sample_publisher.rb ``` run subscription sample ```bash $ rosrun rosruby sample_subscriber.rb ``` you can check publication by using rostopic. ```bash $ rostopic list $ rostopic echo /chatter ``` Try Service? ---------------------- ```bash $ rosrun rosruby add_two_ints_server.rb ``` run client with args ('a' and 'b' for roscpp_tutorials/TwoInts) ```bash $ rosrun rosruby add_two_ints_client.rb 10 20 ``` and more... ---------------------- You need more tools for testing, generating documentations. ```bash $ sudo apt-get install rake gem $ sudo gem install yard redcarpet simplecov ``` do all tests ------------------------- run roscore if is not running. ```bash $ roscore ``` and run the unit tests. ```bash $ roscd rosruby $ rake test ``` documents -------------------------- you can generate API documents using yard. Document generation needs yard and redcarpet. You can install these by gem command like this. ```bash $ gem install yard redcarpet ``` Then try to generate documentds. ```bash $ rake yard ``` You can access to the generated documents from [here](http://otl.github.com/rosruby/doc/).

# Chef Data Region ## Description Chef Data Region extends the `Chef::DSL::DataQuery` module's `data_bag_item` method with the ability to dynamically expand the data bag name in a configurable, environment-specific manner. ## Motivation This gem exists to address the following scenario: An organization maintains data in Chef data bag items. The data is deployed to several data center environments and is stored in data bags whose names reference the environments. The organization wants to write environment-agnostic recipes that access the data bags without explicitly referencing the data bags by their environment names. As a concrete example, imagine the organization maintains encrypted data for three deployment environments: development, staging, and production. It maintains this data in three data bags, one for each environment, with data for services named `gadget` and `widget` in items: | Environment | Bag | Item | |-------------+----------------+--------| | Development | secure-dev | gadget | | Development | secure-dev | widget | | Production | secure-prod | gadget | | Production | secure-prod | widget | | Staging | secure-staging | gadget | | Staging | secure-staging | widget | The items are encrypted with a key unique to that environment to maximize security. Now consider how a recipe would access these bags. When then recipe is running, it needs to know the data center environment in order to construct the bag name. The organization would most likely assign the enviroment name to a node attribute. In a naive implementation, each recipe would include logic that examined the attribute's value to determine which bag to load. This would obviously duplicate code. Imagine instead that the organization wants to reference the bag by the name `secure` and rely on an _abstraction_ to translate `secure` into the environment-specific bag name. This gem provides that abstraction. ## Features This gem overrides the `data_bag_item` method with configurable logic that dynamically decides which bag to load. It retains API compatibility with `Chef::DSL::DataQuery#data_bag_item`, so existing recipes that call `data_bag_item` work without modification. The gem imposes no constraints on data bag item structure. ## Configuration Assign the region name to a node attribute that varies by environment: node.default['local'][region'] = 'staging' Add the following configuration to Chef Client's `client.rb` file. * Require the gem: require 'chef/data_region' * Configure the gem with a hash that maps a bag name to an expansion pattern: Chef::DataRegion.add( 'secure', { attribute: %w(local region), pattern: 'secure-%&lt;attribute&gt;s' } ) ## Bag name expansion The gem expands bag names using Ruby's `format` method. _More pending..._

Contentful API wrapper library exposing an ActiveRecord-like interface

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http://www.engineyard.com/blog/2010/extending-rails-3-with-railties/ http://www.igvita.com/2010/08/04/rails-3-internals-railtie-creating-plugins/ h1. Morning Glory Morning Glory is comprised of a rake task and helper methods that manages the deployment of static assets into an Amazon CloudFront CDN's S3 Bucket, improving the performance of static assets on your Rails web applications. _NOTE: You will require an Amazon Web Services (AWS) account in order to use this gem. Specially: S3 for storing the files you wish to distribute, and CloudFront for CDN distribution of those files._ This version of Morning Glory works with Rails 3.x and Ruby 1.9.x h2. What does it do? Morning Glory provides an easy way to deploy Ruby on Rails application assets to the Amazon CloudFront CDN. It solves a number of common issues with S3/CloudFront. For instance, CloudFront won't automatically expire old assets stored on edge nodes when you redeploy new assets (the Cloudfront expiry time is 24 hours minimum). To fix this Morning Glory will automatically namespace asset releases for you, then update all references to those renamed assets within your stylesheets ensuring there are no broken asset links. It also provides a helper method to rewrite all standard Rails asset helper generated URLs to your CloudFront CDN distributions, as well as handling switching between HTTP and HTTPS. Morning Glory was also built with SASS (Syntactically Awesome Stylesheets) in mind. If you use Sass for your stylesheets they will automatically be built before deployment to the CDN. See http://sass-lang.com/ for more information on Sass.s h2. What it doesn't do Morning Glory cannot configure your CloudFront distributions for you automatically. You will manually have to login to your AWS Management Console account, "https://console.aws.amazon.com/cloudfront/home":https://console.aws.amazon.com/cloudfront/home, and set up a distribution pointing to an S3 Bucket. h2. Installation <pre> gem 'morning_glory' </pre> h2. Usage Morning Glory provides it's functionality via rake tasks. You'll need to specify the target rails environment configuration you want to deploy for by using the @RAILS_ENV={env}@ parameter (for example, @RAILS_ENV=production@). <pre> rake morning_glory:cloudfront:deploy RAILS_ENV={YOUR_TARGET_ENVIRONMENT} </pre> h2. Configuration h3. The Morning Glory configuration file, @config/morning_glory.yml@ You can specify a configuration section for every rails environment (production, staging, testing, development). This section can have the following properties defined: <pre> --- production: enabled: true # Is MorningGlory enabled for this environment? bucket: cdn.production.foo.com # The bucket to deploy your assets into s3_logging_enabled: true # Log the deployment to S3 revision: "20100317134627" # The revision prefix. This timestamp automatically generateed on deployment delete_prev_rev: true # Delete the previous asset release (save on S3 storage space) </pre> h3. The Amazon S3 authentication keys configuration file, @config/s3.yml@ This file provides the access credentials for your Amazon AWS S3 account. You can configure keys for all your environments (production, staging, testing, development). <pre> --- production: access_key_id: YOUR_ACCESS_KEY secret_access_key: YOUR_SECRET_ACCESS_KEY </pre> Note: If you are deploying your system to Heroku, you can configure your Amazon AWS S3 information with the environment variables S3_KEY and S3_SECRET instead of using a configuration file. h3. Set up an asset_host For each environment that you'd like to utilise the CloudFront CDN for you'll need to define the asset_host within the @config/environments/{ENVIRONMENT}.rb@ configuration file. As of June 2010 AWS supports HTTPS requests on the CloudFront CDN, so you no longer have to worry about switching servers. (Yay!) h4. Example config/environments/production.rb @asset_host@ snippet: Here we're targeting a CNAME domain with HTTP support. <pre> ActionController::Base.asset_host = Proc.new { |source, request| if request.ssl? "#{request.protocol}#{request.host_with_port}" else "#{request.protocol}assets.example.com" end } </pre> h3. Why do we have to use a revision-number/namespace/timestamp? Once an asset has been deployed to the Amazon Cloudfront edge servers it cannot be modified - the version exists until it expires (minimum of 24 hours). To get around this we need to prefix the asset path with a revision of some sort - in MorningGlory's case we use a timestamp. That way you can deploy many times during a 24 hour period and always have your latest revision available on your web site. h2. Dependencies h3. AWS S3 Required for uploading the assets to the Amazon Web Services S3 buckets. See "http://amazon.rubyforge.org/":http://amazon.rubyforge.org/ for more documentation on installation. h2. About the name Perhaps not what you'd expect; a "Morning Glory":http://en.wikipedia.org/wiki/Morning_Glory_cloud is a rare cloud formation observed by glider pilots in Australia (see my side project, "YourFlightLog.com for flight-logging software for paraglider and hang-glider pilots":http://www.yourflightlog.com, from which the Morning Glory plugin was originally extracted). Copyright (c) 2010 "@AdamBurmister":http://twitter.com/adamburmister/, released under the MIT license

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