potatosalad

The following module can be placed in the root level of elixir-lang/elixir and executed using the following:

bin/elixirc keyword_delete_bench.ex && erl -noshell -pa . -pa lib/elixir/ebin -s 'keyword_delete_bench'

Example (minimized output):

## count=100000, size=10

aghyad

string_t = None

def get_rstring(addr):
  s = addr.cast(string_t.pointer())
  if s['basic']['flags'] & (1 << 13):
    return s['as']['heap']['ptr'].string()
  else:
    return s['as']['ary'].string()

def get_lineno(iseq, pos):

chrissimpkins

Use these rapid keyboard shortcuts to control the GitHub Atom text editor on macOS.

Key to the Keys

• ⌘ : Command key
• ⌃ : Control key
• ⌫ : Delete key
• ← : Left arrow key
• → : Right arrow key
• ↑ : Up arrow key

aghyad

##  Like a Symbol#to_proc but for array
class Array
  def to_proc
    lambda {|object| 
      self.map{|symbol| object.send(symbol.to_sym)}
    }
  end
end

aghyad

# MySQL.  Versions 4.1 and 5.0 are recommended.
#
# Install the MySQL driver:
#   gem install mysql2
#
# And be sure to use new-style password hashing:
#   http://dev.mysql.com/doc/refman/5.0/en/old-client.html
development:
  adapter: mysql2
  encoding: utf8

csfrancis

# Updated for Ruby 2.3
string_t = None

def get_rstring(addr):
  s = addr.cast(string_t.pointer())
  if s['basic']['flags'] & (1 << 13):
    return s['as']['heap']['ptr'].string()
  else:
    return s['as']['ary'].string()

emachnic

set -g prefix C-a     # Make C-a the prefix instead of default
bind C-a send-prefix  # Send to application
unbind C-b            # Unbind C-b
set -sg escape-time 1 # Remove delay for keystrokes
setw -g mode-keys vi  # Use vi mode

### Mouse mode ###

setw -g mode-mouse on         # Toggle mouse mode globally
set -g mouse-select-pane on   # Select pane using mouse

xdite

Security is Hard

Massive Assignment

• watch for ActiveRecord Relation, like has_many, has_many :through
• watch for user_roles, `group_users
• UPDATE action

Admin

tknazn

class Api::RegistrationsController < Api::BaseController
  
  respond_to :json
  def create

    user = User.new(params[:user])
    if user.save
      render :json=> user.as_json(:auth_token=>user.authentication_token, :email=>user.email), :status=>201
      return
    else

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname