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performance

general.js > memonize.js > simple-loop.js

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git init
Initialized empty Git repository in /DIR/.git/
touch a.txt
git add -A
git ci -m "initial commit"
1 file changed, 0 insertions(+), 0 deletions(-)
create mode 100644 a.txt

git rebase -i HEAD^
fatal: Needed a single revision

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module AjaxHelper

  def wait_for_css(selector)
    until has_css?(selector); end
    yield(find(selector))
  end

end

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//
//  ViewController.swift
//

import UIKit

class ViewController: UIViewController, UIActionSheetDelegate {
    @IBAction func tapButton(sender : AnyObject) {
        var sheet: UIActionSheet = UIActionSheet();
        let title: String = "Please choose a course";

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$ brew unlink mysql
$ brew install mysql

Warning: It appears you have MacPorts or Fink installed.
Software installed with other package managers causes known problems for
Homebrew. If a formula fails to build, uninstall MacPorts/Fink and try again.
==> Downloading https://downloads.sf.net/project/machomebrew/Bottles/mysql-5.6.10.lion.bottle.tar.gz
######################################################################## 100.0%
...

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source 'https://rubygems.org'

gem 'chef'
gem 'knife-solo'

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 error: non-monotonic index .git/objects/pack/._pack-6d722bef9143fd3bad7f56161b56fbbf3a39a1f2.idx
 

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boot2docker up
Waiting for VM and Docker daemon to start...
.........ooo
Started.
Writing /Users/HOME/.boot2docker/certs/boot2docker-vm/ca.pem
Writing /Users/HOME/.boot2docker/certs/boot2docker-vm/cert.pem
Writing /Users/HOME/.boot2docker/certs/boot2docker-vm/key.pem

To connect the Docker client to the Docker daemon, please set:
    export DOCKER_HOST=tcp://192.168.59.103:2376

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Bypassa CSP form-action XSS example

try

bundle install
bundle exec ruby app.rb

[2016-09-10 00:01:46] INFO  WEBrick 1.3.1
[2016-09-10 00:01:46] INFO ruby 2.2.2 (2015-04-13) [x86_64-darwin15]

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#encoding: UTF-8

require 'rubygems'
require 'sinatra'
require 'erb'
require 'pp'

class Sinatra::Request
    def pjax?
        env['HTTP_X_PJAX'] || self['_pjax']