bobzhen

<<APP>>      change this variables

bobzhen

<<USER>> <<APP>>      change this variables

bobzhen

Download videos from egghead

Go to the egghead website, i.e. Building a React.js App

run

$.each($('h4 a'), function(index, video){
  console.log(video.href);
});

bobzhen

"""
Simple algorithm to download all the egghead.io videos in highest-quality from YouTube.

Run from the directory you want the videos to appear. Renames them so that they have the video number + omit the repetitive "Egghead.io - AngularJS -" text.

Installing dependency:
$ pip install git+https://github.com/NFicano/pytube#egg=pytube
"""

from pytube import YouTube  #, exceptions as YTD_exceptions

bobzhen

# Small Python Script to scrape websites for 
# email addresses and phone numbers(not a very great RE)
# Author: Dhruv Baldawa (@dhruvbaldawa on twitter)
# Github: http://www.github.com/dhruvbaldawa

import urllib,re
f = urllib.urlopen("http://www.example.com")
s = f.read()
re.findall(r"\+\d{2}\s?0?\d{10}",s)
re.findall(r"[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}",s)

bobzhen

# in controller

# for local files
send_file '/path/to/file', :type => 'image/jpeg', :disposition => 'attachment'

# for remote files
require 'open-uri'
url = 'http://someserver.com/path/../filename.jpg'
data = open(url).read
send_data data, :disposition => 'attachment', :filename=>"photo.jpg"

bobzhen

class BaseUploader < CarrierWave::Uploader::Base
    attr_reader :width, :height
    before :cache, :capture_size
    
    ...
    
    # for image size validation
    # fetching dimensions in uploader, validating it in model
    def capture_size(file)
      if version_name.blank? # Only do this once, to the original version

bobzhen

Elixir installation guide

Version numbers should be the ones you want. Here I do it with the last ones available at the moment of writing.

The simplest way to install elixir is using your package manager. Sadly, at the time of writing only Fedora shows the intention to keep its packages up to date. There you can simply sudo dnf install erlang elixir and you are good to go.

Anyway, if you intend to work with several versions of erlang or elixir at the same time, or you are tied to a specific version, you will need to compile it yourself. Then asdf is your best friend.

bobzhen

Run this 
        "sudo -u postgres psql" 
in your terminal to get into postgres

postgres=#

Run "CREATE USER new_username;"

Note: Replace new_username with the user you want to create,

bobzhen

Installation of Phoenix on Ubuntu 16.04

• Don't use the Ubuntu packages provided, instead:

wget https://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb 
sudo dpkg -i erlang-solutions_1.0_all.deb
sudo apt-get update
sudo apt-get install esl-erlang elixir