svenyurgensson

#!/bin/ruby --verion => 2.0.0-p353

Self

In Ruby, self is a special variable that always references the current object.

• Inside class or module definition, self refer to the Class or Module object.
• Inside instance method, self refer to future instance object.
• Inside class method, self refer to the class.i

svenyurgensson

(require 'org)

(setq-default indent-tabs-mode nil)
(setq org-display-inline-images t)
(setq org-redisplay-inline-images t)
(setq org-startup-with-inline-images "inlineimages")

(setq default-frame-alist
      (append (list '(width . 72) '(height . 40))))

svenyurgensson

This is a SCRIPT-8 cassette.

svenyurgensson

Some nginx example confs

https://mattbrictson.com/nginx-reverse-proxy-cache

https://www.nginx.com/resources/wiki/start/topics/examples/full/

https://gist.github.com/weapp/9a3fd2c068cb206e9d40

https://gist.github.com/weapp/c1a88f6fe16dc2c14061

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Transactions

As your business logic gets complex you may need to implement transactions. The classic example is a bank funds transfer from account A to account B. If the withdrawal from account A fails then the deposit to account B should either never take place or be rolled back.

Basics

All the complexity is handled by ActiveRecord::Transactions. Any model class or instance has a method named .transaction. When called and passed a block, that block will be executed inside a database transaction. If there's an exception raised, the transaction will automatically be rolled back.

Example

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$('form .input.array').each(function() {
  var $wrapper = $('.array-inputs', this);
  var $insertArea = $(".array-input button[data-action=add]").closest(".array-input");
  $(".array-input button[data-action=add]", $(this)).click(function(e) {
    $('.array-input:first-child', $wrapper).clone(true).insertBefore($insertArea).find('input').val('').focus();
  });
  $('.array-input button[data-action=remove]', $wrapper).click(function() {
    if ($('.array-input', $wrapper).length > 2) {
      $(this).parent('.array-input').remove();
    }

svenyurgensson

Work-in-progress

How to protect your data and privacy online for the average user

Table of Contents

1. Introduction and Motivation 1a. About me
2. Ad profiling: What can be tracked
3. Government tracking: What can be tracked
4. Low-effort
5. Medium-effort

svenyurgensson

Go to Bitbucket and create a new repository (its better to have an empty repo)
    git clone git@bitbucket.org:abc/myforkedrepo.git
    cd myforkedrepo

Now add Github repo as a new remote in Bitbucket called "sync"
    git remote add sync git@github.com:def/originalrepo.git

Verify what are the remotes currently being setup for "myforkedrepo". This following command should show "fetch" and "push" for two remotes i.e. "origin" and "sync"
    git remote -v

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HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

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// XORCipher - Super simple encryption using XOR and Base64
//
// Depends on [Underscore](http://underscorejs.org/).
//
// As a warning, this is **not** a secure encryption algorythm. It uses a very
// simplistic keystore and will be easy to crack.
//
// The Base64 algorythm is a modification of the one used in phpjs.org
// * http://phpjs.org/functions/base64_encode/
// * http://phpjs.org/functions/base64_decode/