ChuntaoLu

1. brew install gnupg21, pinentry-mac (this includes gpg-agent and pinentry)

2. Generate a key: $ gpg2 --gen-key

3. Take the defaults. Whatevs

4. Tell gpg-agent to use pinentry-mac:

   $ vim ~/.gnupg/gpg-agent.conf 
   

ChuntaoLu

HTTP Streaming (or Chunked vs Store & Forward)

The standard way of understanding the HTTP protocol is via the request reply pattern. Each HTTP transaction consists of a finitely bounded HTTP request and a finitely bounded HTTP response.

However it's also possible for both parts of an HTTP 1.1 transaction to stream their possibly infinitely bounded data. The advantages is that the sender can send data that is beyond the sender's memory limit, and the receiver can act on

ChuntaoLu

  --log_gc (Log heap samples on garbage collection for the hp2ps tool.)
        type: bool  default: false
  --expose_gc (expose gc extension)
        type: bool  default: false
  --max_new_space_size (max size of the new generation (in kBytes))
        type: int  default: 0
  --max_old_space_size (max size of the old generation (in Mbytes))
        type: int  default: 0
  --max_executable_size (max size of executable memory (in Mbytes))
        type: int  default: 0

ChuntaoLu

## Useful Collections

def a_array
  (1..6).to_a
end

def a_hash
  {hello: "world", free: "of charge"}
end

ChuntaoLu

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

ChuntaoLu

# autoload concerns
module YourApp
  class Application < Rails::Application
    config.autoload_paths += %W(
      #{config.root}/app/controllers/concerns
      #{config.root}/app/models/concerns
    )
  end
end

ChuntaoLu

gem 'pg'
group :development do
	gem 'ruby-debug'
end
gem 'rake', '~> 0.8.7'
gem 'devise'
gem 'oa-oauth', :require => 'omniauth/oauth'
gem 'omniauth'
gem 'haml'
gem 'dynamic_form'

ChuntaoLu

• create a new redis .conf file

$ cp /etc/redis/6379.conf /etc/redis/6380.conf

• edit /etc/redis/6380.conf, illustrated as below

...

ChuntaoLu

Frontend Development

Attention: the list was moved to

https://github.com/dypsilon/frontend-dev-bookmarks

This page is not maintained anymore, please update your bookmarks.

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ChuntaoLu

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!